import time
import zipfile
import operator
import warnings
from django.views.generic.base import TemplateView
from django.db.models import Q
from django.db import IntegrityError, transaction
from django.shortcuts import render
from django.http import (
    HttpResponse, HttpResponseRedirect,
    HttpResponseForbidden, HttpResponseNotAllowed,
    HttpResponseNotFound,Http404
    )
from django.contrib.auth import authenticate, login, logout
from rowers.forms import LoginForm,DocumentsForm,UploadOptionsForm
from django.core.urlresolvers import reverse
from django.core.exceptions import PermissionDenied
from django.template import RequestContext
from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
from django.conf import settings
from django.utils.datastructures import MultiValueDictKeyError
from django.utils import timezone,translation
from django.core.mail import send_mail, BadHeaderError
from rowers.forms import (
    SummaryStringForm,IntervalUpdateForm,StrokeDataForm,
    StatsOptionsForm,PredictedPieceForm,DateRangeForm,DeltaDaysForm,
    EmailForm, RegistrationForm, RegistrationFormTermsOfService,
    RegistrationFormUniqueEmail,CNsummaryForm,UpdateWindForm,
    UpdateStreamForm,WorkoutMultipleCompareForm,ChartParamChoiceForm
    )
from rowers.models import Workout, User, Rower, WorkoutForm,FavoriteChart
from rowers.models import (
    RowerPowerForm,RowerForm,GraphImage,AdvancedWorkoutForm,
    RowerPowerZonesForm,AccountRowerForm,UserForm,StrokeData,
    Team,TeamForm,TeamInviteForm,TeamInvite,TeamRequest,
    WorkoutComment,WorkoutCommentForm
    )
from rowers.models import FavoriteForm,BaseFavoriteFormSet,SiteAnnouncement
from django.forms.formsets import formset_factory
import StringIO
from django.contrib.auth.decorators import login_required,user_passes_test
from time import strftime,strptime,mktime,time,daylight
import os,sys
import datetime
import iso8601
import c2stuff
from c2stuff import C2NoTokenError
from iso8601 import ParseError
import stravastuff
import sporttracksstuff
import ownapistuff
from ownapistuff import TEST_CLIENT_ID, TEST_CLIENT_SECRET, TEST_REDIRECT_URI
from rowsandall_app.settings import C2_CLIENT_ID, C2_REDIRECT_URI, C2_CLIENT_SECRET, STRAVA_CLIENT_ID, STRAVA_REDIRECT_URI, STRAVA_CLIENT_SECRET
from rowsandall_app.settings  import SPORTTRACKS_CLIENT_ID, SPORTTRACKS_REDIRECT_URI, SPORTTRACKS_CLIENT_SECRET

import requests
import json
from rest_framework.renderers import JSONRenderer
from rest_framework.parsers import JSONParser
from rowers.rows import handle_uploaded_file
from rowers.tasks import handle_makeplot,handle_otwsetpower,handle_sendemailtcx,handle_sendemailcsv
from rowers.tasks import (
    handle_sendemail_unrecognized,handle_sendemailnewcomment,
    handle_sendemailnewresponse,
    )

from scipy.signal import savgol_filter
from django.shortcuts import render_to_response
from Cookie import SimpleCookie
from shutil import copyfile

from rowingdata import rower as rrower
from rowingdata import main as rmain
from rowingdata import rowingdata as rrdata
from rowingdata import make_cumvalues
from rowingdata import summarydata
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
from pytz import timezone as tz,utc
import dateutil
import mpld3
from mpld3 import plugins
import stravalib
from stravalib.exc import ActivityUploadFailed,TimeoutExceeded
from weather import get_wind_data,get_airport_code,get_metar_data

from oauth2_provider.models import Application,Grant,AccessToken

import django_rq
queue = django_rq.get_queue('default')
queuelow = django_rq.get_queue('low')
queuehigh = django_rq.get_queue('low')

from rest_framework_swagger.views import get_swagger_view
from rest_framework.renderers import JSONRenderer
from rest_framework.parsers import JSONParser
from rest_framework.response import Response
from rowers.serializers import RowerSerializer,WorkoutSerializer
from rest_framework import status,permissions,generics
from rest_framework.decorators import api_view, renderer_classes

from permissions import IsOwnerOrNot

import plots
import mailprocessing

from io import BytesIO
from scipy.special import lambertw

from dataprep import timedeltaconv

LOCALTIMEZONE = tz('Etc/UTC')
USER_LANGUAGE = 'en-US'

from interactiveplots import *

# Define the API documentation
schema_view = get_swagger_view(title='Rowsandall API (Unstable)')

# Custom error pages with Rowsandall headers
def error500_view(request):
    response = render_to_response('500.html', {},
				  context_instance = RequestContext(request))

    response.status_code = 500
    return response

def error404_view(request):
    response = render_to_response('404.html', {},
				  context_instance = RequestContext(request))

    response.status_code = 404
    return response

def error400_view(request):
    response = render_to_response('400.html', {},
				  context_instance = RequestContext(request))

    response.status_code = 400
    return response

def error403_view(request):
    response = render_to_response('403.html', {},
				  context_instance = RequestContext(request))

    response.status_code = 403
    return response

# Wrapper around the rowingdata call to catch some exceptions
# Checks for CSV file, then for gzipped CSV file, and if all fails, returns 0
def rdata(file,rower=rrower()):
    try:
	res = rrdata(file,rower=rower)
    except IOError, IndexError:
        try:
            res = rrdata(file+'.gz',rower=rower)
        except IOError, IndexError:
            res = 0

    return res

# Used for the interval editor - translates seconds to a time object
def get_time(second):
    if (second<=0) or (second>1e9):
	hours = 0
	minutes=0
	sec=0
	microsecond = 0
    elif math.isnan(second):
	hours = 0
	minutes=0
	sec=0
	microsecond = 0
    else:
	days = int(second/(24.*3600.)) % (24*3600)
	hours = int((second-24.*3600.*days)/3600.) % 24
	minutes = int((second-3600.*(hours+24.*days))/60.) % 60
	sec = int(second-3600.*(hours+24.*days)-60.*minutes) % 60
	microsecond = int(1.0e6*(second-3600.*(hours+24.*days)-60.*minutes-sec)) 
    return datetime.time(hours,minutes,sec,microsecond)

	
# get the workout ID from the SportTracks URI
def getidfromsturi(uri):
    return uri[len(uri)-8:]

# Splits SportTracks data which is one long sequence of
# [t,[lat,lon],t2,[lat2,lon2] ...]
# to [t,t2,t3, ...], [[lat,long],[lat2,long2],...
def splitstdata(lijst):
    t = []
    latlong = []
    while len(lijst)>=2:
	t.append(lijst[0])
	latlong.append(lijst[1])
	lijst = lijst[2:]

    return [np.array(t),np.array(latlong)]
	
from utils import geo_distance,serialize_list,deserialize_list

# Check if a user is a Coach member
def iscoachmember(user):
    r = Rower.objects.get(user=user)
    result = user.is_authenticated() and (r.rowerplan=='coach')
    return result

# Check if a user is a Pro member
def ispromember(user):
    if not user.is_anonymous():
        r = Rower.objects.get(user=user)
        result = user.is_authenticated() and (r.rowerplan=='pro' or r.rowerplan=='coach')
    else:
        result = False
    return result

# User registration
def rower_register_view(request):
    if request.method == 'POST':
	form = RegistrationFormUniqueEmail(request.POST)
	if form.is_valid():
	    first_name = form.cleaned_data['first_name']
	    last_name = form.cleaned_data['last_name']
	    email = form.cleaned_data['email']
	    password = form.cleaned_data['password1']
	    username = form.cleaned_data['username']
	    theuser = User.objects.create_user(username,password=password)
	    theuser.first_name = first_name
	    theuser.last_name = last_name
	    theuser.email = email
	    theuser.save()

	    therower = Rower(user=theuser)

	    therower.save()

            # Create Sample workout
            f = 'media/testdata.csv.gz'
            timestr = strftime("%Y%m%d-%H%M%S")
            f2 = f[:-7]+timestr+'.csv.gz'
            copyfile(f,f2)
                        
            response = dataprep.new_workout_from_file(therower,f2,
                                                      title='New User Sample Data',
                                                      notes='This is an example workout to get you started')
            
            # Create and send email
	    fullemail = first_name + " " + last_name + " " + "<" + email + ">"
	    subject = "Thank you for registering on rowsandall.com"
	    message = "Thank you for registering on rowsandall.com. You can now login using the credentials you provided.\n"
	    message += "The first thing you might want to do is check and edit the heart rate band values. After logging in, click the button with your first name.\n"
	    message += "You can also check our videos page at http://rowsandall.com/rowers/videos for some helpful instruction videos.\n\n"
	    message += "User name:"+username+"\n"
	    message += "Password :"+password+"\n\n"
	    message += "For all your questions, just reply to this email.\n\n"
	    message += "Happy rowing!\n\n\n"
	    message += "Oh, one more thing. The site is currently in beta and is developing fast. Bear with us. Don't hesitate to contact me if anything is broken or doesn't seem to work as advertised."
	    send_mail(subject, message,
		      'Sander Roosendaal <info@rowsandall.com>',
		      [fullemail])

	    subject2 = "New User"
	    message2 = "New user registered.\n"
	    message2 += fullemail + "\n"
	    message2 += "User name: "+username

	    send_mail(subject2, message2,
		      'Rowsandall Server <info@rowsandall.com>',
		      ['roosendaalsander@gmail.com'])

	    return HttpResponseRedirect('/rowers/register/thankyou/')

	else:
	    return render(request,
			  "registration_form.html",
			  {'form':form})
    else:
	form =  RegistrationFormUniqueEmail()
	return render(request,
		      "registration_form.html",
		      {'form':form,})

# Shows email form and sends it if submitted
def sendmail(request):
    if request.method == 'POST':
        form = EmailForm(request.POST)
        if form.is_valid():
	    firstname = form.cleaned_data['firstname']
	    lastname = form.cleaned_data['lastname']
	    email = form.cleaned_data['email']
	    subject = form.cleaned_data['subject']
	    botcheck = form.cleaned_data['botcheck'].lower()
	    message = form.cleaned_data['message']
	    if botcheck == 'yes':
		try:
		    fullemail = firstname + " " + lastname + " " + "<" + email + ">"
		    send_mail(subject, message, fullemail, ['info@rowsandall.com'])
		    return HttpResponseRedirect('/rowers/email/thankyou/')
		except:
		    return HttpResponseRedirect('/rowers/email/')
	    else:
		return HttpResponseRedirect('/rowers/email/')
	else:
	    return HttpResponseRedirect('/rowers/email/')  

# Check if workout belongs to this user
def checkworkoutuser(user,workout):
    try:
	r = Rower.objects.get(user=user)
        managers = [team.manager for team in workout.team.all()]
	return (workout.user == r or user in managers)
    except Rower.DoesNotExist:
	return(False)

# Create workout data from Strava or Concept2
# data and create the associated Workout object and save it
def add_workout_from_strokedata(user,importid,data,strokedata,
                                source='c2',splitdata=None):
    workouttype = data['type']
    if workouttype not in [x[0] for x in Workout.workouttypes]:
	workouttype = 'water'
    try:
	comments = data['comments']
    except:
	comments = ' '

#    comments = "Imported data \n %s" % comments
#    comments = "Imported data \n"+comments  # str(comments)
    try:
	thetimezone = tz(data['timezone'])
    except:
	thetimezone = 'UTC'

    r = Rower.objects.get(user=user)
    try:
	rowdatetime = iso8601.parse_date(data['date_utc'])
    except KeyError:
	rowdatetime = iso8601.parse_date(data['start_date'])
    except ParseError:
	rowdatetime = iso8601.parse_date(data['date'])
    
	
    try:
        c2intervaltype = data['workout_type']
	
    except KeyError:
	c2intervaltype = ''
	
    try:
	title = data['name']
    except KeyError:
	title = ""
	try:
	    t = data['comments'].split('\n', 1)[0]
	    title += t[:20]
	except:
	    title = 'Imported'

    starttimeunix = mktime(rowdatetime.utctimetuple())

    res = make_cumvalues(0.1*strokedata['t'])
    cum_time = res[0]
    lapidx = res[1]

    unixtime = cum_time+starttimeunix
    # unixtime[0] = starttimeunix
    seconds = 0.1*strokedata.ix[:,'t']

    nr_rows = len(unixtime)

    try:
	latcoord = strokedata.ix[:,'lat']
	loncoord = strokedata.ix[:,'lon']
    except:
	latcoord = np.zeros(nr_rows)
	loncoord = np.zeros(nr_rows)


    try:
	strokelength = strokedata.ix[:,'strokelength']
    except:
	strokelength = np.zeros(nr_rows)

    dist2 = 0.1*strokedata.ix[:,'d']

    spm = strokedata.ix[:,'spm']
    try:
        hr = strokedata.ix[:,'hr']
    except KeyError:
        hr = 0*spm
    pace = strokedata.ix[:,'p']/10.
    pace = np.clip(pace,0,1e4)
    pace = pace.replace(0,300)

    velo = 500./pace

    power = 2.8*velo**3
    
    # save csv
    # Create data frame with all necessary data to write to csv
    df = pd.DataFrame({'TimeStamp (sec)':unixtime,
		       ' Horizontal (meters)': dist2,
		       ' Cadence (stokes/min)':spm,
		       ' HRCur (bpm)':hr,
		       ' longitude':loncoord,
		       ' latitude':latcoord,
		       ' Stroke500mPace (sec/500m)':pace,
		       ' Power (watts)':power,
		       ' DragFactor':np.zeros(nr_rows),
		       ' DriveLength (meters)':np.zeros(nr_rows),
		       ' StrokeDistance (meters)':strokelength,
		       ' DriveTime (ms)':np.zeros(nr_rows),
		       ' StrokeRecoveryTime (ms)':np.zeros(nr_rows),
		       ' AverageDriveForce (lbs)':np.zeros(nr_rows),
		       ' PeakDriveForce (lbs)':np.zeros(nr_rows),
		       ' lapIdx':lapidx,
		       ' ElapsedTime (sec)':seconds
		       })

    
    df.sort_values(by='TimeStamp (sec)',ascending=True)
	
    timestr = strftime("%Y%m%d-%H%M%S")

    # auto smoothing
    pace = df[' Stroke500mPace (sec/500m)'].values
    velo = 500./pace

    f = df['TimeStamp (sec)'].diff().mean()
    windowsize = 2*(int(10./(f)))+1
    if windowsize <= 3:
	windowsize = 5

    df['originalvelo'] = velo

    if windowsize > 3 and windowsize < len(velo):
	velo2 = savgol_filter(velo,windowsize,3)
    else:
	velo2=velo

    velo3 = pd.Series(velo2)
    velo3 = velo3.replace([-np.inf,np.inf],np.nan)
    velo3 = velo3.fillna(method='ffill')
    
    pace2 = 500./abs(velo3)
    df[' Stroke500mPace (sec/500m)'] = pace2

    df = df.fillna(0)

    # end autosmoothing

    # Create CSV file name and save data to CSV file
    csvfilename ='media/Import_'+str(importid)+'.csv'

    res =  df.to_csv(csvfilename+'.gz',index_label='index',
                     compression='gzip')


    # with Concept2
    if source=='c2':
        try:
            totaldist = data['distance']
            totaltime = data['time']/10.
        except KeyError:
            totaldist = 0
            totaltime = 0
    else:
        totaldist = 0
        totaltime = 0

    id,message = dataprep.save_workout_database(csvfilename,r,
                                                workouttype=workouttype,
                                                title=title,notes=comments,
                                                totaldist=totaldist,
                                                totaltime=totaltime)

            

    return id,message

# Create workout from SportTracks Data, which are slightly different
# than Strava or Concept2 data
def add_workout_from_stdata(user,importid,data):
    workouttype = data['type']
    if workouttype not in [x[0] for x in Workout.workouttypes]:
	workouttype = 'water'
    try:
	comments = data['comments']
    except:
	comments = ''
    
    try:
	thetimezone = tz(data['timezone'])
    except:
	thetimezone = 'UTC'

    r = Rower.objects.get(user=user)
    try:
	rowdatetime = iso8601.parse_date(data['start_time'])
    except iso8601.ParseError:
	try:
	    rowdatetime = datetime.datetime.strptime(data['start_time'],"%Y-%m-%d %H:%M:%S")
	    rowdatetime = thetimezone.localize(rowdatetime).astimezone(utc)
	except:
	    try:
		rowdatetime = dateutil.parser.parse(data['start_time'])
		rowdatetime = thetimezone.localize(rowdatetime).astimezone(utc)
	    except:
		rowdatetime = datetime.datetime.strptime(data['date'],"%Y-%m-%d %H:%M:%S")
		rowdatetime = thetimezone.localize(rowdatetime).astimezone(utc)
	
#    try:
#        c2intervaltype = data['workout_type']
	
#    except:
#	c2intervaltype = ''
	
    try:
	title = data['name']
    except:
	title = "Imported data"

    starttimeunix = mktime(rowdatetime.utctimetuple())

    res = splitstdata(data['distance'])

    distance = res[1]
    times_distance = res[0]

    try:
	l = data['location']
    
	res = splitstdata(l)
	times_location = res[0]
	latlong = res[1]
	latcoord = []
	loncoord = []

	for coord in latlong:
	    lat = coord[0]
	    lon = coord[1]
	    latcoord.append(lat)
	    loncoord.append(lon)
    except:
	times_location = times_distance
	latcoord = np.zeros(len(times_distance))
	loncoord = np.zeros(len(times_distance))
        if workouttype == 'water':
            workouttype = 'rower'
	
    try:
	res = splitstdata(data['cadence'])
	times_spm = res[0]
	spm = res[1]
    except KeyError:
	times_spm = times_distance
	spm = 0*times_distance
    
    try:
	res = splitstdata(data['heartrate'])
	hr = res[1]
	times_hr = res[0]
    except KeyError:
	times_hr = times_distance
	hr = 0*times_distance


    # create data series and remove duplicates
    distseries = pd.Series(distance,index=times_distance)
    distseries = distseries.groupby(distseries.index).first()
    latseries = pd.Series(latcoord,index=times_location)
    latseries = latseries.groupby(latseries.index).first()
    lonseries = pd.Series(loncoord,index=times_location)
    lonseries = lonseries.groupby(lonseries.index).first()
    spmseries = pd.Series(spm,index=times_spm)
    spmseries = spmseries.groupby(spmseries.index).first()
    hrseries = pd.Series(hr,index=times_hr)
    hrseries = hrseries.groupby(hrseries.index).first()


    # Create dicts and big dataframe
    d = {
	' Horizontal (meters)': distseries,
	' latitude': latseries,
	' longitude': lonseries,
	' Cadence (stokes/min)': spmseries,
	' HRCur (bpm)' : hrseries,
	}

    

    df = pd.DataFrame(d)

    df = df.groupby(level=0).last()

    cum_time = df.index.values
    df[' ElapsedTime (sec)'] = cum_time

    velo = df[' Horizontal (meters)'].diff()/df[' ElapsedTime (sec)'].diff()
    
    df[' Power (watts)'] = 0.0*velo

    nr_rows = len(velo.values)

    df[' DriveLength (meters)'] = np.zeros(nr_rows)
    df[' StrokeDistance (meters)'] = np.zeros(nr_rows)
    df[' DriveTime (ms)'] = np.zeros(nr_rows)
    df[' StrokeRecoveryTime (ms)'] = np.zeros(nr_rows)
    df[' AverageDriveForce (lbs)'] = np.zeros(nr_rows)
    df[' PeakDriveForce (lbs)'] = np.zeros(nr_rows)
    df[' lapIdx'] = np.zeros(nr_rows)



    unixtime = cum_time+starttimeunix
    unixtime[0] = starttimeunix
 
    df['TimeStamp (sec)'] = unixtime

 
    dt = np.diff(cum_time).mean()
    wsize = round(5./dt)

    velo2 = stravastuff.ewmovingaverage(velo,wsize)

    df[' Stroke500mPace (sec/500m)'] = 500./velo2


    df = df.fillna(0)

    df.sort_values(by='TimeStamp (sec)',ascending=True)
	
    timestr = strftime("%Y%m%d-%H%M%S")

    csvfilename ='media/Import_'+str(importid)+'.csv'

    res =  df.to_csv(csvfilename+'.gz',index_label='index',
                     compression='gzip')

    id,message = dataprep.save_workout_database(csvfilename,r,
                                                workouttype=workouttype,
                                                title=title,
                                                notes=comments)

    return (id,message)

# Checks if user has Concept2 tokens, resets tokens if they are
# expired.
def c2_open(user):
    r = Rower.objects.get(user=user)
    if (r.c2token == '') or (r.c2token is None):
	s = "Token doesn't exist. Need to authorize"
	raise C2NoTokenError("User has no token")
    else:
	if (timezone.now()>r.tokenexpirydate):
	    res = c2stuff.rower_c2_token_refresh(user)
            if res[0] != None:
                thetoken = res[0]
            else:
                raise C2NoTokenError("User has no token")
	else:
	    thetoken = r.c2token

    return thetoken
    
# Checks if user has SportTracks token, renews them if they are expired
def sporttracks_open(user):
    r = Rower.objects.get(user=user)
    if (r.sporttrackstoken == '') or (r.sporttrackstoken is None):
	s = "Token doesn't exist. Need to authorize"
	raise SportTracksNoTokenError("User has no token")
    else:
	if (timezone.now()>r.sporttrackstokenexpirydate):
	    thetoken = sporttracksstuff.rower_sporttracks_token_refresh(user)
	else:
	    thetoken = r.sporttrackstoken

    return thetoken
	
# Export workout to TCX and send to user's email address
@login_required()
def workout_tcxemail_view(request,id=0):
    message = ""
    successmessage = ""
    r = Rower.objects.get(user=request.user)
    try:
        w = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")
    if (checkworkoutuser(request.user,w)):
        try:
	    tcxfile = stravastuff.createstravaworkoutdata(w)
            if tcxfile == 0:
                message = "Something went wrong (TCX export)"
                url = reverse(workout_export_view,
                              kwargs = {
                                  'id':str(w.id),
                                  'message':message,
                                  })
                return HttpResponseRedirect(url)
	    if settings.DEBUG and tcxfile:	    
	        res = handle_sendemailtcx.delay(r.user.first_name,
					        r.user.last_name,
					        r.user.email,tcxfile)

	    elif tcxfile:
	        res = queuehigh.enqueue(handle_sendemailtcx,r.user.first_name,
				        r.user.last_name,
				        r.user.email,tcxfile)

	    successmessage = "The TCX file was sent to you per email"
	    url = reverse(workout_export_view,
		          kwargs = {
			      'id':str(w.id),
			      'successmessage':successmessage,
			  })
        except:
            successmessage = ""
            message = "Something went wrong (TCX export) "+str(sys.exc_info()[0])
            with open("media/c2errors.log","a") as errorlog:
                errorstring = str(sys.exc_info()[0])
                timestr = strftime("%Y%m%d-%H%M%S")
                errorlog.write(timestr+errorstring+"\r\n")

            url = reverse(workout_export_view,
		          kwargs = {
			      'id':str(w.id),
			      'message':message,
			  })

	response = HttpResponseRedirect(url)

    else:
	message = "You are not allowed to export this workout"
	url = reverse(workout_export_view,
		      kwargs = {
			  'id':str(w.id),
			  'message':message,
			  })
	response = HttpResponseRedirect(url)
		      
    return response

# Get Workout CSV file and send it to user's email address
@login_required()
def workout_csvemail_view(request,id=0):
    message = ""
    r = Rower.objects.get(user=request.user)
    try:
        w = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")
    if (checkworkoutuser(request.user,w)):
	csvfile = w.csvfilename
	if settings.DEBUG:	    
	    res = handle_sendemailcsv.delay(r.user.first_name,
					    r.user.last_name,
					    r.user.email,csvfile)

	else:
	    res = queuehigh.enqueue(handle_sendemailcsv,r.user.first_name,
				r.user.last_name,
				r.user.email,csvfile)

	successmessage = "The CSV file was sent to you per email"
	url = reverse(workout_export_view,
		      kwargs = {
			  'id':str(w.id),
			  'successmessage':successmessage,
			  })
	response = HttpResponseRedirect(url)

    else:
	message = "You are not allowed to export this workout"
	url = reverse(workout_export_view,
		      kwargs = {
			  'id':str(w.id),
			  'message':message,
			  })
	response = HttpResponseRedirect(url)
		      
    return response

# Send workout to Strava
# abundance of error logging here because there were/are some bugs
@login_required()
def workout_strava_upload_view(request,id=0):
    message = ""
    r = Rower.objects.get(user=request.user)
    res = -1
    if (r.stravatoken == '') or (r.stravatoken is None):
	s = "Token doesn't exist. Need to authorize"
	return HttpResponseRedirect("/rowers/me/stravaauthorize/")
    else:
	# ready to upload. Hurray
        try:
	    w = Workout.objects.get(id=id)
        except Workout.DoesNotExist:
	    raise Http404("Workout doesn't exist")
	if (checkworkoutuser(request.user,w)):
            try:
	        tcxfile = stravastuff.createstravaworkoutdata(w)
                if tcxfile:
		    with open(tcxfile,'rb') as f:
		        res,mes = stravastuff.handle_stravaexport(f,w.name,
							      r.stravatoken,
							      description=w.notes)
                        if res==0:
		            message = mes
		            w.uploadedtostrava = -1
		            w.save()
                            try:
		                os.remove(tcxfile)
                            except WindowsError:
                                pass
		            url = reverse(workout_export_view,
			                  kwargs = {
				              'id':str(w.id),
				          })
		            response = HttpResponseRedirect(url)
                            return response
                                
                        try:
        	            w.uploadedtostrava = res
		            w.save()
		            os.remove(tcxfile)
		            url = "/rowers/workout/"+str(w.id)+"/edit"
		            successmessage = mes
	                except:
                            with open("media/stravaerrors.log","a") as errorlog:
                                errorstring = str(sys.exc_info()[0])
                                timestr = strftime("%Y%m%d-%H%M%S")
                                errorlog.write(timestr+errorstring+"\r\n")
                                errorlog.write("views.py line 826\r\n")
                                message = 'Error: '+errorstring
                else:
                    message = "Strava Upload error"
                    w.uploadedtostrava = -1
                    w.save()
		    url = reverse(workout_export_view,
			          kwargs = {
				      'id':str(w.id),
				  })
		    response = HttpResponseRedirect(url)


		url = reverse(workout_export_view,
			      kwargs = {
				  'id':str(w.id),
				  }
			      )
		response = HttpResponseRedirect(url)
	    except ActivityUploadFailed as e:
		message = "Strava Upload error: %s" % e
		w.uploadedtostrava = -1
		w.save()
		os.remove(tcxfile)
		url = reverse(workout_export_view,
			      kwargs = {
				  'id':str(w.id),
				  })
		response = HttpResponseRedirect(url)
	    # except TimeoutExceeded as e:
		# w.uploadedtostrava = -1
		# w.save()
		# url = reverse(workout_export_view,
			#      kwargs = {
			#	  'id':str(w.id),
			#	  'message':'Strava Upload attempted. No response within 10 seconds. You may be OK. Check on Strava',
			#	  })
		# response = HttpResponseRedirect(url)


	return response
	  
# Upload workout to Concept2 logbook
@login_required()
def workout_c2_upload_view(request,id=0):
    message = ""
    try:
	thetoken = c2_open(request.user)
    except C2NoTokenError:
	return HttpResponseRedirect("/rowers/me/c2authorize/")

    # ready to upload. Hurray
    try:
        w = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")
    if (checkworkoutuser(request.user,w)):
	c2userid = c2stuff.get_userid(thetoken)
        if not c2userid:
            return HttpResponseRedirect("/rowers/me/c2authorize")
            
	data = c2stuff.createc2workoutdata(w)
	authorizationstring = str('Bearer ' + thetoken)
	headers = {'Authorization': authorizationstring,
		   'user-agent': 'sanderroosendaal',
		   'Content-Type': 'application/json'}
	import urllib
        try:
	    url = "https://log.concept2.com/api/users/%s/results" % (c2userid)
	    response = requests.post(url,headers=headers,data=json.dumps(data))
        except:
            message = "Unexpected Error: "+str(sys.exc_info()[0])
            with open("media/c2errors.log","a") as errorlog:
                errorstring = str(sys.exc_info()[0])
                timestr = strftime("%Y%m%d-%H%M%S")
                errorlog.write(timestr+errorstring+"\r\n")

	# check for duplicate error first
	if (response.status_code == 409 ):
	    message = "Duplicate error"
	    w.uploadedtoc2 = -1
	    w.save()
	elif (response.status_code == 201 or response.status_code == 200):
	    try:
		s= json.loads(response.text)
		c2id = s['data']['id']
		w.uploadedtoc2 = c2id
		w.save()
		url = "/rowers/workout/"+str(w.id)+"/export"
		return HttpResponseRedirect(url)
	    except:
                message = "Something went wrong in workout_c2_upload_view. Response code 200/201 but C2 sync failed: "+response.text
                with open("media/c2errors.log","a") as errorlog:
                    errorstring = str(sys.exc_info()[0])
                    timestr = strftime("%Y%m%d-%H%M%S")
                    errorlog.write(timestr+errorstring+"\r\n")


	else:
	    s = response
	    message = "Something went wrong in workout_c2_upload_view. C2 sync failed."
            with open("media/c2errors.log","a") as errorlog:
                errorstring = str(sys.exc_info()[0])
                timestr = strftime("%Y%m%d-%H%M%S")
                errorlog.write(timestr+errorstring+"\r\n")
		
    else:
	message = "You are not authorized to upload this workout"

    url = reverse(workout_export_view,
		  kwargs = {
		      'message':str(message),
		      'id':str(w.id),
		      })

    return HttpResponseRedirect(url)

# Upload workout to SportTracks
@login_required()
def workout_sporttracks_upload_view(request,id=0):
    message = ""
    try:
	thetoken = sporttracks_open(request.user)
    except SportTracksNoTokenError:
	return HttpResponseRedirect("/rowers/me/sporttracksauthorize/")

    # ready to upload. Hurray
    try:
        w = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if (checkworkoutuser(request.user,w)):
	data = sporttracksstuff.createsporttracksworkoutdata(w)
        if not data:
            message = "Data error"
            url = reverse(workout_export_view,
		          kwargs = {
		              'message':str(message),
		              'id':str(w.id),
		          })
            return HttpResponseRedirect(url)
        
	authorizationstring = str('Bearer ' + thetoken)
	headers = {'Authorization': authorizationstring,
		   'user-agent': 'sanderroosendaal',
		   'Content-Type': 'application/json'}

	import urllib
	url = "https://api.sporttracks.mobi/api/v2/fitnessActivities.json"
	response = requests.post(url,headers=headers,data=json.dumps(data))

	# check for duplicate error first
	if (response.status_code == 409 ):
	    message = "Duplicate error"
	    w.uploadedtosporttracks = -1
	    w.save()
	elif (response.status_code == 201 or response.status_code==200):
	    s= json.loads(response.text)
	    sporttracksid = sporttracksstuff.getidfromresponse(response)
	    w.uploadedtosporttracks = sporttracksid
	    w.save()
	    url = "/rowers/workout/"+str(w.id)+"/export"
	    return HttpResponseRedirect(url)
	else:
	    s = response
	    message = "Something went wrong in workout_sporttracks_upload_view: %s" % s.reason
		
    else:
	message = "You are not authorized to upload this workout"

    url = reverse(workout_export_view,
		  kwargs = {
		      'message':str(message),
		      'id':str(w.id),
		      })

    return HttpResponseRedirect(url)

# Concept2 authorization 	  
@login_required()
def rower_c2_authorize(request):
    # Generate a random string for the state parameter
    # Save it for use later to prevent xsrf attacks
    from uuid import uuid4
    state = str(uuid4())
    scope = "user:read,results:write"
    params = {"client_id": C2_CLIENT_ID,
              "response_type": "code",
              "redirect_uri": C2_REDIRECT_URI}
    import urllib
    url = "http://log.concept2.com/oauth/authorize?"+ urllib.urlencode(params)
    url += "&scope="+scope
    return HttpResponseRedirect(url)

# Strava Authorization
@login_required()
def rower_strava_authorize(request):
    # Generate a random string for the state parameter
    # Save it for use later to prevent xsrf attacks
    from uuid import uuid4
    state = str(uuid4())

    params = {"client_id": STRAVA_CLIENT_ID,
              "response_type": "code",
              "redirect_uri": STRAVA_REDIRECT_URI,
	      "scope": "write"}

    import urllib
    url = "https://www.strava.com/oauth/authorize?"+ urllib.urlencode(params)

    return HttpResponseRedirect(url)

# SportTracks Authorization
@login_required()
def rower_sporttracks_authorize(request):
    # Generate a random string for the state parameter
    # Save it for use later to prevent xsrf attacks
    from uuid import uuid4
    state = str(uuid4())

    params = {"client_id": SPORTTRACKS_CLIENT_ID,
              "response_type": "code",
	      "state": state,
              "redirect_uri": SPORTTRACKS_REDIRECT_URI}

    import urllib
    url = "https://api.sporttracks.mobi/oauth2/authorize?"+ urllib.urlencode(params)


    return HttpResponseRedirect(url)

# Concept2 token refresh. URL for manual refresh. Not visible to users
@login_required()
def rower_c2_token_refresh(request):
    r = Rower.objects.get(user=request.user)
    res = c2stuff.do_refresh_token(r.c2refreshtoken)
    if res[0] != None:
        access_token = res[0]
        expires_in = res[1]
        refresh_token = res[2]
        expirydatetime = timezone.now()+datetime.timedelta(seconds=expires_in)
        r = Rower.objects.get(user=request.user)
        r.c2token = access_token
        r.tokenexpirydate = expirydatetime
        r.c2refreshtoken = refresh_token

        r.save()

        successmessage = "Tokens refreshed. Good to go"
        message = ""
    else:
        successmessage = ""
        message = "Something went wrong (refreshing tokens). Please reauthorize:"
        
    return imports_view(request,successmessage=successmessage,message=message)

# SportTracks token refresh. URL for manual refresh. Not visible to users
@login_required()
def rower_sporttracks_token_refresh(request):
    r = Rower.objects.get(user=request.user)
    res = sporttracksstuff.do_refresh_token(r.sporttracksrefreshtoken)
    access_token = res[0]
    expires_in = res[1]
    refresh_token = res[2]
    expirydatetime = timezone.now()+datetime.timedelta(seconds=expires_in)

    r = Rower.objects.get(user=request.user)
    r.sporttrackstoken = access_token
    r.sporttrackstokenexpirydate = expirydatetime
    r.sporttracksrefreshtoken = refresh_token

    r.save()

    successmessage = "Tokens refreshed. Good to go"
    return imports_view(request,successmessage=successmessage)


# Concept2 Callback
@login_required()
def rower_process_callback(request):
    try:
	code = request.GET['code']
	res = c2stuff.get_token(code)
    except MultiValueDictKeyError:
	message = "The resource owner or authorization server denied the request"
	return imports_view(request,message=message)
	
    access_token = res[0]
    if access_token == 0:
        message = res[1]
        message += ' Contact info@rowsandall.com if this behavior persists.'
        return imports_view(request,message=message)
        
    expires_in = res[1]
    refresh_token = res[2]
    expirydatetime = timezone.now()+datetime.timedelta(seconds=expires_in)

    r = Rower.objects.get(user=request.user)
    r.c2token = access_token
    r.tokenexpirydate = expirydatetime
    r.c2refreshtoken = refresh_token

    r.save()

    successmessage = "Tokens stored. Good to go"
    return imports_view(request,successmessage=successmessage)

# The imports page
@login_required()
def imports_view(request,successmessage="",message=""):
    return render(request,"imports.html",
		  {'successmessage': successmessage,
		   'message': message,
		   })

# Just for testing purposes
@login_required()
def test_reverse_view(request):
    successmessage = "Tokens stored. Good to go"
	      
    return imports_view(request,successmessage=successmessage)

# dummy 
@login_required()
def rower_process_twittercallback(request):
    return "dummy"

# Process Strava Callback
@login_required()
def rower_process_stravacallback(request):
    try:
        code = request.GET['code']
    except MultiValueDictKeyError:
        try:
            message = request.GET['error']
        except MultiValueDictKeyError:
            message = "access error"

        return imports_view(request,message=message)
            
    res = stravastuff.get_token(code)

    if res[0]:
        access_token = res[0]
	      
        r = Rower.objects.get(user=request.user)
        r.stravatoken = access_token

        r.save()

        successmessage = "Tokens stored. Good to go"
        return imports_view(request,successmessage=successmessage)
    else:
        message = "Something went wrong with the Strava authorization"
        return imports_view(request,message=message)


# Process SportTracks callback
@login_required()
def rower_process_sporttrackscallback(request):
    code = request.GET['code']
    res = sporttracksstuff.get_token(code)


    access_token = res[0]
    expires_in = res[1]
    refresh_token = res[2]
    expirydatetime = timezone.now()+datetime.timedelta(seconds=expires_in)
    
    r = Rower.objects.get(user=request.user)
    r.sporttrackstoken = access_token
    r.sporttrackstokenexpirydate = expirydatetime
    r.sporttracksrefreshtoken = refresh_token

    r.save()

    successmessage = "Tokens stored. Good to go"
    return imports_view(request,successmessage=successmessage)

# Process Own API callback - for API testing purposes
@login_required()
def rower_process_testcallback(request):
    code = request.GET['code']
    res = ownapistuff.get_token(code)


    access_token = res[0]
    expires_in = res[1]
    refresh_token = res[2]
    expirydatetime = timezone.now()+datetime.timedelta(seconds=expires_in)

    text = "Access Token:\n"
    text += access_token

    text += "\n\nRefresh Token:\n"
    text += refresh_token
    
    return HttpResponse(text)

# View around the Histogram of all strokes. Not implemented in UI
@login_required()
def histo_all(request,theuser=0):
    promember=0
    if theuser == 0:
	theuser = request.user.id

    if not request.user.is_anonymous():
	r = Rower.objects.get(user=request.user)
	result = request.user.is_authenticated() and ispromember(request.user)
	if result:
	    promember=1

    if not promember:
	return HttpResponseRedirect("/rowers/about/")
	
    # get all indoor rows of past 12 months
    ayearago = timezone.now()-datetime.timedelta(days=365)
    try:
	r2 = Rower.objects.get(user=theuser)
	allergworkouts = Workout.objects.filter(user=r2,
						workouttype__in=['rower','dynamic','slides'],
						startdatetime__gte=ayearago)
    except Rower.DoesNotExist:
	allergworkouts = []
	r2=0

    try:
	u = User.objects.get(id=theuser)
    except User.DoesNotExist:
	u = ''

    if allergworkouts:
	res = interactive_histoall(allergworkouts)
	script = res[0]
	div = res[1]
    else:
	script = ''
	div = '<p>No erg pieces uploaded yet.</p>'

    return render(request, 'histoall.html',
		  {'interactiveplot':script,
		   'the_div':div,
		   'id':theuser,
		   'theuser':u,
		   })

# The Flex plot for a large selection of workouts
@login_required()
def cum_flex(request,theuser=0,
	     xparam='spm',
	     yparam1='power',
	     yparam2='None',
	     startdate=timezone.now()-datetime.timedelta(days=10),
	     enddate=timezone.now()+datetime.timedelta(days=1),
	     deltadays=-1,
	     startdatestring="",
	     enddatestring=""):

    if deltadays>0:
	startdate = enddate-datetime.timedelta(days=int(deltadays))

    if startdatestring != "":
	startdate = iso8601.parse_date(startdatestring)

    if enddatestring != "":
	enddate = iso8601.parse_date(enddatestring)

    if enddate < startdate:
	s = enddate
	enddate = startdate
	startdate = s

    promember=0
    if theuser == 0:
	theuser = request.user.id

    if not request.user.is_anonymous():
	r = Rower.objects.get(user=request.user)
	result = request.user.is_authenticated() and ispromember(request.user)
	if result:
	    promember=1

    if not promember:
	return HttpResponseRedirect("/rowers/about/")
	
    # get all indoor rows of in date range
    
    # process form
    if request.method == 'POST' and "daterange" in request.POST:
	form = DateRangeForm(request.POST)
	deltaform = DeltaDaysForm(request.POST)
	if form.is_valid():
	    startdate = form.cleaned_data['startdate']
	    enddate = form.cleaned_data['enddate']
	    if startdate > enddate:
		s = enddate
		enddate = startdate
		startdate = s
    elif request.method == 'POST' and "datedelta" in request.POST:
	deltaform = DeltaDaysForm(request.POST)
	if deltaform.is_valid():
	    deltadays = deltaform.cleaned_data['deltadays']
	    if deltadays != 0:
		enddate = timezone.now()
		startdate = enddate-datetime.timedelta(days=deltadays)
		if startdate > enddate:
		    s = enddate
		    enddate = startdate
		    startdate = s
		form = DateRangeForm(initial={
		    'startdate': startdate,
		    'enddate': enddate,
		    })

    else:
	form = DateRangeForm(initial={
	    'startdate': startdate,
	    'enddate': enddate,
	    })
	deltaform = DeltaDaysForm()

    try:
	r2 = Rower.objects.get(user=theuser)
	allergworkouts = Workout.objects.filter(user=r2,
						workouttype__in=['rower','dynamic','slides'],
						startdatetime__gte=startdate,
						startdatetime__lte=enddate)
	
    except Rower.DoesNotExist:
	allergworkouts = []
	r2=0

    try:
	u = User.objects.get(id=theuser)
    except User.DoesNotExist:
	u = ''

    if allergworkouts:
	res = interactive_cum_flex_chart2(allergworkouts,xparam=xparam,
					  yparam1=yparam1,
					  yparam2=yparam2,
					  promember=promember)
	script = res[0]
	div = res[1]
	js_resources = res[2]
	css_resources = res[3]
    else:
	script = ''
	div = '<p>No erg pieces uploaded for this date range.</p>'
	js_resources = ''
	css_resources = ''

    return render(request, 'cum_flex.html',
		  {'interactiveplot':script,
		   'the_div':div,
		   'js_res': js_resources,
		   'css_res':css_resources,
		   'id':theuser,
		   'theuser':u,
		   'startdate':startdate,
		   'enddate':enddate,
		   'form':form,
		   'deltaform':deltaform,
		   'xparam':xparam,
		   'yparam1':yparam1,
		   'yparam2':yparam2,
		   'promember':promember,
		   })

# Show the EMpower Oarlock generated Stroke Profile
@user_passes_test(ispromember,login_url="/",redirect_field_name=None)
def workout_forcecurve_view(request,id=0,workstrokesonly=False):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    promember=0
    mayedit=0
    if not request.user.is_anonymous():
	r = Rower.objects.get(user=request.user)
	result = request.user.is_authenticated() and ispromember(request.user)
	if result:
	    promember=1
	if request.user == row.user.user:
	    mayedit=1

    if not promember:
	return HttpResponseRedirect("/rowers/about/")

    if request.method == 'POST' and 'workstrokesonly' in request.POST:
        workstrokesonly = request.POST['workstrokesonly']
	if workstrokesonly == 'True':
	    workstrokesonly = True
	else:
	    workstrokesonly = False
            
    script,div,js_resources,css_resources = interactive_forcecurve([row],
                                                                   workstrokesonly=workstrokesonly)

    return render(request,
                  'forcecurve_single.html',
                  {
                      'the_script':script,
                      'the_div':div,
		      'js_res': js_resources,
		      'css_res':css_resources,
                      'id':id,
                      'mayedit':mayedit,
                      'workstrokesonly': not workstrokesonly,
                  })

# Show Stroke power histogram for a workout
@login_required()
def workout_histo_view(request,id=0):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    promember=0
    mayedit=0
    if not request.user.is_anonymous():
	r = Rower.objects.get(user=request.user)
	result = request.user.is_authenticated() and ispromember(request.user)
	if result:
	    promember=1
	    if request.user == row.user.user:
		mayedit=1

    if not promember:
	return HttpResponseRedirect("/rowers/about/")
        
    res = interactive_histoall([row])
    script = res[0]
    div = res[1]

    return render(request,
                  'histo_single.html',
		  {'interactiveplot':script,
		   'the_div':div,
                   'id':id,
                   'mayedit':mayedit,
		   })



# Histogram for a date/time range
@login_required()
def histo(request,theuser=0,
	  startdate=timezone.now()-datetime.timedelta(days=365),
	  enddate=timezone.now(),
	  deltadays=-1,
	  startdatestring="",
	  enddatestring=""):

    if deltadays>0:
	startdate = enddate-datetime.timedelta(days=int(deltadays))

    if startdatestring != "":
	startdate = iso8601.parse_date(startdatestring)

    if enddatestring != "":
	enddate = iso8601.parse_date(enddatestring)

    if enddate < startdate:
	s = enddate
	enddate = startdate
	startdate = s

    promember=0
    if theuser == 0:
	theuser = request.user.id

    if not request.user.is_anonymous():
	r = Rower.objects.get(user=request.user)
	result = request.user.is_authenticated() and ispromember(request.user)
	if result:
	    promember=1

    if not promember:
	return HttpResponseRedirect("/rowers/promembership/")
	
    # get all indoor rows of in date range
    
    # process form
    if request.method == 'POST' and "daterange" in request.POST:
	form = DateRangeForm(request.POST)
	deltaform = DeltaDaysForm(request.POST)
	if form.is_valid():
	    startdate = form.cleaned_data['startdate']
	    enddate = form.cleaned_data['enddate']
	    if startdate > enddate:
		s = enddate
		enddate = startdate
		startdate = s
    elif request.method == 'POST' and "datedelta" in request.POST:
	deltaform = DeltaDaysForm(request.POST)
	if deltaform.is_valid():
	    deltadays = deltaform.cleaned_data['deltadays']
	    if deltadays != 0:
		enddate = timezone.now()
		startdate = enddate-datetime.timedelta(days=deltadays)
		if startdate > enddate:
		    s = enddate
		    enddate = startdate
		    startdate = s
		form = DateRangeForm(initial={
		    'startdate': startdate,
		    'enddate': enddate,
		    })
            else:
                form = DateRangeForm()

    else:
	form = DateRangeForm(initial={
	    'startdate': startdate,
	    'enddate': enddate,
	    })
	deltaform = DeltaDaysForm()

    try:
	r2 = Rower.objects.get(user=theuser)
	allergworkouts = Workout.objects.filter(user=r2,
						workouttype__in=['rower','dynamic','slides'],
						startdatetime__gte=startdate,
						startdatetime__lte=enddate)
	
    except Rower.DoesNotExist:
	allergworkouts = []
	r2=0

    try:
	u = User.objects.get(id=theuser)
    except User.DoesNotExist:
	u = ''

    if allergworkouts:
	res = interactive_histoall(allergworkouts)
	script = res[0]
	div = res[1]
    else:
	script = ''
	div = '<p>No erg pieces uploaded for this date range.</p>'


    return render(request, 'histo.html',
		  {'interactiveplot':script,
		   'the_div':div,
		   'id':theuser,
		   'theuser':u,
		   'startdate':startdate,
		   'enddate':enddate,
		   'form':form,
		   'deltaform':deltaform,
		   })

# Show ranking distances including predicted paces
@login_required()
def rankings_view(request,theuser=0,
	  startdate=timezone.now()-datetime.timedelta(days=365),
	  enddate=timezone.now(),
	  deltadays=-1,
	  startdatestring="",
	  enddatestring=""):

    if deltadays>0:
	startdate = enddate-datetime.timedelta(days=int(deltadays))

    if startdatestring != "":
	startdate = iso8601.parse_date(startdatestring)

    if enddatestring != "":
	enddate = iso8601.parse_date(enddatestring)

    if enddate < startdate:
	s = enddate
	enddate = startdate
	startdate = s

    if theuser == 0:
	theuser = request.user.id

    promember=0
    if not request.user.is_anonymous():
	r = Rower.objects.get(user=request.user)
	result = request.user.is_authenticated() and ispromember(request.user)
	if result:
	    promember=1

    # get all indoor rows in date range
    
    # process form
    if request.method == 'POST' and "daterange" in request.POST:
	dateform = DateRangeForm(request.POST)
	deltaform = DeltaDaysForm(request.POST)
	if dateform.is_valid():
	    startdate = dateform.cleaned_data['startdate']
	    enddate = dateform.cleaned_data['enddate']
	    if startdate > enddate:
		s = enddate
		enddate = startdate
		startdate = s
    elif request.method == 'POST' and "datedelta" in request.POST:
	deltaform = DeltaDaysForm(request.POST)
	if deltaform.is_valid():
	    deltadays = deltaform.cleaned_data['deltadays']
	    if deltadays != 0:
		enddate = timezone.now()
		startdate = enddate-datetime.timedelta(days=deltadays)
		if startdate > enddate:
		    s = enddate
		    enddate = startdate
		    startdate = s
		dateform = DateRangeForm(initial={
		    'startdate': startdate,
		    'enddate': enddate,
		    })

    else:
	dateform = DateRangeForm(initial={
	    'startdate': startdate,
	    'enddate': enddate,
	    })
	deltaform = DeltaDaysForm()

    # get all 2k (if any) - this rower, in date range
    try:
	r = Rower.objects.get(user=theuser)
    except Rower.DoesNotExist:
	allergworkouts = []
	r=0

	
    try:
	uu = User.objects.get(id=theuser)
    except User.DoesNotExist:
	uu = ''


    # test to fix bug
    startdate = datetime.datetime.combine(startdate,datetime.time())
    enddate = datetime.datetime.combine(enddate,datetime.time(23,59,59))
    enddate = enddate+datetime.timedelta(days=1)

    rankingdistances = [100,500,1000,2000,5000,6000,10000,21097,42195,100000]
    rankingdurations = []
    rankingdurations.append(datetime.time(minute=1))
    rankingdurations.append(datetime.time(minute=4))
    rankingdurations.append(datetime.time(minute=30))
    rankingdurations.append(datetime.time(hour=1))

    thedistances = []
    theworkouts = []
    thesecs = []



    rankingdistances.sort()
    rankingdurations.sort()

    for rankingdistance in rankingdistances:
    
	workouts = Workout.objects.filter(user=r,distance=rankingdistance,
				      workouttype__in=['rower','dynamic','slides'],
					  startdatetime__gte=startdate,
					  startdatetime__lte=enddate).order_by('duration')
	if workouts:
	    thedistances.append(rankingdistance)
	    theworkouts.append(workouts[0])

	    timesecs = 3600*workouts[0].duration.hour
	    timesecs += 60*workouts[0].duration.minute
	    timesecs += workouts[0].duration.second
	    timesecs += 1.e-6*workouts[0].duration.microsecond
	
	    thesecs.append(timesecs)

    for rankingduration in rankingdurations:
    
	workouts = Workout.objects.filter(user=r,duration=rankingduration,
				          workouttype='rower',
				          startdatetime__gte=startdate,
					  startdatetime__lte=enddate).order_by('-distance')
	if workouts:
	    thedistances.append(workouts[0].distance)
	    theworkouts.append(workouts[0])

	    timesecs = 3600*workouts[0].duration.hour
	    timesecs += 60*workouts[0].duration.minute
	    timesecs += workouts[0].duration.second
	    timesecs += 1.e-5*workouts[0].duration.microsecond
	
	    thesecs.append(timesecs)

    thedistances = np.array(thedistances)
    thesecs = np.array(thesecs)

    thevelos = thedistances/thesecs
    theavpower = 2.8*(thevelos**3)


    # create interactive plot
    if len(thedistances) !=0 :
	res = interactive_cpchart(thedistances,thesecs,theavpower,
				  theworkouts,promember=promember)
	script = res[0]
	div = res[1]
	paulslope = res[2]
	paulintercept = res[3]
	p1 = res[4]
	message = res[5]
    else:
	script = ''
	div = '<p>No ranking pieces found.</p>'
	paulslope = 1
	paulintercept = 1
	p1 = [1,1,1,1]
	message = ""


    if request.method == 'POST' and "piece" in request.POST:
	form = PredictedPieceForm(request.POST)
	if form.is_valid():
	    value = form.cleaned_data['value']
	    pieceunit = form.cleaned_data['pieceunit']
	    if pieceunit == 'd':
		rankingdistances.append(value)
	    else:
		rankingdurations.append(datetime.time(minute=value))
    else:
	form = PredictedPieceForm()

    rankingdistances.sort()
    rankingdurations.sort()


    predictions = []
    cpredictions = []


    for rankingdistance in rankingdistances:
	# Paul's model
	p = paulslope*np.log10(rankingdistance)+paulintercept
	velo = 500./p
	t = rankingdistance/velo
	pwr = 2.8*(velo**3)
	a = {'distance':rankingdistance,
	     'duration':timedeltaconv(t),
	     'pace':timedeltaconv(p),
	     'power':int(pwr)}
	predictions.append(a)

	# CP model -
	pwr2 = p1[0]/(1+t/p1[2])
	pwr2 += p1[1]/(1+t/p1[3])

	if pwr2 <= 0:
	    pwr2 = 50.
	
	velo2 = (pwr2/2.8)**(1./3.)

	if np.isnan(velo2) or velo2 <= 0:
	    velo2 = 1.0
	    
	t2 = rankingdistance/velo2
	
	pwr3 = p1[0]/(1+t2/p1[2])
	pwr3 += p1[1]/(1+t2/p1[3])

	if pwr3 <= 0:
	    pwr3 = 50.
	
	velo3 = (pwr3/2.8)**(1./3.)
	if np.isnan(velo3) or velo3 <= 0:
	    velo3 = 1.0
	    
	t3 = rankingdistance/velo3
	p3 = 500./velo3

	a = {'distance':rankingdistance,
	     'duration':timedeltaconv(t3),
	     'pace':timedeltaconv(p3),
	     'power':int(pwr3)}
	cpredictions.append(a)




    for rankingduration in rankingdurations:
	t = 3600.*rankingduration.hour
	t += 60.*rankingduration.minute
	t += rankingduration.second
	t += rankingduration.microsecond/1.e6

	# Paul's model
	ratio = paulintercept/paulslope

	u = ((2**(2+ratio))*(5.**(3+ratio))*t*np.log(10))/paulslope

	d = 500*t*np.log(10.)
	d = d/(paulslope*lambertw(u))
	d = d.real

	velo = d/t
	p = 500./velo
	pwr = 2.8*(velo**3)
	a = {'distance':int(d),
	     'duration':timedeltaconv(t),
	     'pace':timedeltaconv(p),
	     'power':int(pwr)}
	predictions.append(a)

	# CP model
	pwr = p1[0]/(1+t/p1[2])
	pwr += p1[1]/(1+t/p1[3])

	if pwr <= 0:
	    pwr = 50.

	velo = (pwr/2.8)**(1./3.)

	if np.isnan(velo) or velo <=0:
	    velo = 1.0
	
	d = t*velo
	p = 500./velo
	a = {'distance':int(d),
	     'duration':timedeltaconv(t),
	     'pace':timedeltaconv(p),
	     'power':int(pwr)}
	cpredictions.append(a)


	
    return render(request, 'rankings.html',
		  {'rankingworkouts':theworkouts,
		   'interactiveplot':script,
		   'the_div':div,
		   'predictions':predictions,
		   'cpredictions':cpredictions,
		   'nrdata':len(thedistances),
		   'form':form,
		   'dateform':dateform,
		   'deltaform':deltaform,
		   'id': theuser,
		   'theuser':uu,
		   'message':message,
		   'startdate':startdate,
		   'enddate':enddate,
		   })

# Reload the workout and calculate the summary from the stroke data (lapIDx)
@login_required()
def workout_recalcsummary_view(request,id=0):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if (checkworkoutuser(request.user,row)==False):
	message = "You are not allowed to edit this workout"
	url = reverse(workouts_view,args=[str(message)])

	return HttpResponseRedirect(url)

    filename = row.csvfilename
    rowdata = rdata(filename)
    row.summary = rowdata.allstats()
    row.save()
    successmessage = "Summary Updated"
    url = reverse(workout_edit_view,
		  kwargs = {
		      'id':str(id),
		      'successmessage':str(successmessage),
		  })
    
    return HttpResponseRedirect(url)

@login_required()
def workout_makepublic_view(request,id,
                            message='',
                            successmessage=''):
    try:    
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
        raise Http404("Workout doesn't exist")
    
    if (checkworkoutuser(request.user,row)==False):
        message = "You are not allowed to edit this workout"
        url = reverse(workouts_view,args=[str(message)])

        return HttpResponseRedirect(url)

    row.privacy = 'visible'
    row.save()
    rr = Rower.objects.get(user=request.user)
    
    teams = rr.team.all()
    for team in teams:
        row.team.add(team)
        

    message = "Workout set to public. Your followers and team members will see it"

    url = reverse(workout_edit_view,
		  kwargs = {
		      'id':str(id),
		      'successmessage':str(message),
		  })
    return HttpResponseRedirect(url)

@login_required()
def workout_setprivate_view(request,id,
                            message='',
                            successmessage=''):
    try:    
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
        raise Http404("Workout doesn't exist")
    
    if (checkworkoutuser(request.user,row)==False):
        message = "You are not allowed to edit this workout"
        url = reverse(workouts_view,args=[str(message)])

        return HttpResponseRedirect(url)

    row.privacy = 'private'
    row.save()

    for team in row.team.all():
        row.team.remove(team)

    message = "Workout set to private. Only you will see it"

    url = reverse(workout_edit_view,
		  kwargs = {
		      'id':str(id),
		      'successmessage':str(message),
		  })
    return HttpResponseRedirect(url)

# Team comparison
@login_required()
def team_comparison_select(request,
                           startdatestring="",
                           enddatestring="",
                           message='',
                           successmessage='',
                           startdate=timezone.now()-datetime.timedelta(days=30),
                           enddate=timezone.now()+datetime.timedelta(days=1),
                           teamid=0):

    try:
	r = Rower.objects.get(user=request.user)
    except Rower.DoesNotExist:
        raise Http404("Rower doesn't exist")
    
    if request.method == 'POST':
        dateform = DateRangeForm(request.POST)
        if dateform.is_valid():
            startdate = dateform.cleaned_data['startdate']
            enddate = dateform.cleaned_data['enddate']
    else:
        dateform = DateRangeForm(initial={
            'startdate':startdate,
            'enddate':enddate,
            })

    startdate = datetime.datetime.combine(startdate,datetime.time())
    enddate = datetime.datetime.combine(enddate,datetime.time(23,59,59))
    enddate = enddate+datetime.timedelta(days=1)

    if startdatestring:
        startdate = iso8601.parse_date(startdatestring)
    if enddatestring:
        enddate = iso8601.parse_date(enddatestring)

    if enddate < startdate:
        s = enddate
        enddate = startdate
        startdate = s

    try:
        theteam = Team.objects.get(id=teamid)
    except Team.DoesNotExist:
        raise Http404("Team doesn't exist")
        
    if theteam.viewing == 'allmembers' or theteam.manager == request.user:
        workouts = Workout.objects.filter(team=theteam,
                                          startdatetime__gte=startdate,
                                          startdatetime__lte=enddate).order_by("-date", "-starttime")
    elif theteam.viewing == 'coachonly':
        workouts = Workout.objects.filter(team=theteam,user=r,
                                          startdatetime__gte=startdate,
                                          startdatetime__lte=enddate).order_by("-date","-starttime")

            
    else:
        theteam = None
        workouts = Workout.objects.filter(user=r,
                                      startdatetime__gte=startdate,
                                      startdatetime__lte=enddate).order_by("-date", "-starttime")

    query = request.GET.get('q')
    if query:
        query_list = query.split()
        workouts = workouts.filter(
            reduce(operator.and_,
                   (Q(name__icontains=q) for q in query_list)) |
            reduce(operator.and_,
                   (Q(notes__icontains=q) for q in query_list))
            )

    form = WorkoutMultipleCompareForm()
    form.fields["workouts"].queryset = workouts

    chartform = ChartParamChoiceForm(initial={'teamid':theteam.id})
    
    return render(request, 'team_compare_select.html',
                  {'workouts': workouts,
                   'message': message,
                   'successmessage':successmessage,
                   'dateform':dateform,
                   'startdate':startdate,
                   'enddate':enddate,
                   'team':theteam,
                   'form':form,
                   'chartform':chartform,
                   })

@login_required()
def multi_compare_view(request):
    promember=0
    if not request.user.is_anonymous():
	r = Rower.objects.get(user=request.user)
	result = request.user.is_authenticated() and ispromember(request.user)
	if result:
            promember=1

            
    if request.method == 'POST' and 'workouts' in request.POST:
        form = WorkoutMultipleCompareForm(request.POST)
        chartform = ChartParamChoiceForm(request.POST)
        if form.is_valid() and chartform.is_valid():
            cd = form.cleaned_data
            workouts = cd['workouts']
            xparam = chartform.cleaned_data['xparam']
            yparam = chartform.cleaned_data['yparam']
            plottype = chartform.cleaned_data['plottype']
            teamid = chartform.cleaned_data['teamid']
            ids = [int(w.id) for w in workouts]
            request.session['ids'] = ids

            labeldict = {
                int(w.id): w.__unicode__() for w in workouts
                }
            
            res = interactive_multiple_compare_chart(ids,xparam,yparam,
                                                     promember=promember,
                                                     plottype=plottype,
                                                     labeldict=labeldict)
            script = res[0]
            div = res[1]

            return render(request,'multicompare.html',
                          {'interactiveplot':script,
                           'the_div':div,
                           'promember':promember,
                           'teamid':teamid,
                           'chartform':chartform,
                           })
        else:
            return HttpResponse("Form is not valid")
    if request.method == 'POST' and 'ids' in request.session:
        chartform = ChartParamChoiceForm(request.POST)
        if chartform.is_valid():
            xparam = chartform.cleaned_data['xparam']
            yparam = chartform.cleaned_data['yparam']
            plottype = chartform.cleaned_data['plottype']
            teamid = chartform.cleaned_data['teamid']
            ids = request.session['ids']
            request.session['ids'] = ids
            workouts = [Workout.objects.get(id=id) for id in ids]

            labeldict = {
                int(w.id): w.__unicode__() for w in workouts
                }
            
            res = interactive_multiple_compare_chart(ids,xparam,yparam,
                                                     promember=promember,
                                                     plottype=plottype,
                                                     labeldict=labeldict)
            script = res[0]
            div = res[1]

            return render(request,'multicompare.html',
                          {'interactiveplot':script,
                           'the_div':div,
                           'promember':promember,
                           'teamid':teamid,
                           'chartform':chartform,
                           })
        
    else:
        url = reverse(workouts_view)
        return HttpResponseRedirect(url)

# List Workouts    
@login_required()
def workouts_view(request,message='',successmessage='',
                  startdatestring="",enddatestring="",
                  startdate=timezone.now()-datetime.timedelta(days=365),
                  enddate=timezone.now()+datetime.timedelta(days=1),
                  teamid=0):
    try:
	r = Rower.objects.get(user=request.user)
    except Rower.DoesNotExist:
        raise Http404("Rower doesn't exist")

    if request.method == 'POST':
        dateform = DateRangeForm(request.POST)
        if dateform.is_valid():
            startdate = dateform.cleaned_data['startdate']
            enddate = dateform.cleaned_data['enddate']
    else:
        dateform = DateRangeForm(initial={
            'startdate':startdate,
            'enddate':enddate,
            })

    startdate = datetime.datetime.combine(startdate,datetime.time())
    enddate = datetime.datetime.combine(enddate,datetime.time(23,59,59))
    enddate = enddate+datetime.timedelta(days=1)

    if startdatestring:
        startdate = iso8601.parse_date(startdatestring)
    if enddatestring:
        enddate = iso8601.parse_date(enddatestring)

    if enddate < startdate:
        s = enddate
        enddate = startdate
        startdate = s

    if teamid:
        try:
            theteam = Team.objects.get(id=teamid)
        except Team.DoesNotExist:
            raise Http404("Team doesn't exist")

        if theteam.viewing == 'allmembers' or theteam.manager == request.user:
            workouts = Workout.objects.filter(team=theteam,
                                          startdatetime__gte=startdate,
                                          startdatetime__lte=enddate).order_by("-date", "-starttime")
        elif theteam.viewing == 'coachonly':
            workouts = Workout.objects.filter(team=theteam,user=r,
                                              startdatetime__gte=startdate,
                                              startdatetime__lte=enddate).order_by("-date","-starttime")


    else:
        theteam = None
        workouts = Workout.objects.filter(user=r,
                                      startdatetime__gte=startdate,
                                      startdatetime__lte=enddate).order_by("-date", "-starttime")

    query = request.GET.get('q')
    if query:
        query_list = query.split()
        workouts = workouts.filter(
            reduce(operator.and_,
                   (Q(name__icontains=q) for q in query_list)) |
            reduce(operator.and_,
                   (Q(notes__icontains=q) for q in query_list))
            )

    paginator = Paginator(workouts,20) # show 25 workouts per page
    page = request.GET.get('page')

    try:
        workouts = paginator.page(page)
    except PageNotAnInteger:
        workouts = paginator.page(1)
    except EmptyPage:
        workouts = paginator.page(paginator.num_pages)

    today = timezone.now()
    announcements = SiteAnnouncement.objects.filter(
        expires__gte=today
    ).order_by(
        "-created",
        "-id"
    )

    return render(request, 'list_workouts.html',
                  {'workouts': workouts,
                   'message': message,
                   'successmessage':successmessage,
                   'dateform':dateform,
                   'startdate':startdate,
                   'enddate':enddate,
                   'announcements':announcements[0:4],
                   'team':theteam,
                   })


# List of workouts to compare a selected workout to
@user_passes_test(ispromember,login_url="/",redirect_field_name=None)
def workout_comparison_list(request,id=0,message='',successmessage='',
                            startdatestring="",enddatestring="",
                            startdate=timezone.now()-datetime.timedelta(days=365),
                            enddate=timezone.now()):

    try:
	r = Rower.objects.get(user=request.user)
	u = User.objects.get(id=r.user.id)
        if request.method == 'POST':
            dateform = DateRangeForm(request.POST)
            if dateform.is_valid():
	        startdate = dateform.cleaned_data['startdate']
	        enddate = dateform.cleaned_data['enddate']
        else:
            dateform = DateRangeForm(initial={
                'startdate':startdate,
                'enddate':enddate,
                })

        if startdatestring:
            startdate = iso8601.parse_date(startdatestring)
        if enddatestring:
            enddate = iso8601.parse_date(enddatestring)

        startdate = datetime.datetime.combine(startdate,datetime.time())
        enddate = datetime.datetime.combine(enddate,datetime.time(23,59,59))
        enddate = enddate+datetime.timedelta(days=1)
                
        if enddate < startdate:
	    s = enddate
	    enddate = startdate
	    startdate = s
        
	workouts = Workout.objects.filter(user=r,
                                          startdatetime__gte=startdate,
                                          startdatetime__lte=enddate).order_by("-date", "-starttime").exclude(id=id)

        query = request.GET.get('q')
        if query:
            query_list = query.split()
            workouts = workouts.filter(
                reduce(operator.and_,
                       (Q(name__icontains=q) for q in query_list)) |
                reduce(operator.and_,
                       (Q(notes__icontains=q) for q in query_list))
                )

        paginator = Paginator(workouts,15) # show 25 workouts per page
        page = request.GET.get('page')

        try:
            workouts = paginator.page(page)
        except PageNotAnInteger:
            workouts = paginator.page(1)
        except EmptyPage:
            workouts = paginator.page(paginator.num_pages)
        try:
	    row = Workout.objects.get(id=id)
        except Workout.DoesNotExist:
	    raise Http404("Workout doesn't exist")

	
	return render(request, 'comparison_list.html',
		      {'id':id,
		       'workout':row,
		       'workouts': workouts,
		       'last_name':u.last_name,
		       'first_name':u.first_name,
		       'message': message,
		       'successmessage':successmessage,
                       'dateform':dateform,
                       'startdate':startdate,
                       'enddate':enddate,
		       })
    except Rower.DoesNotExist:
	raise Http404("User has no rower instance")

# Basic 'EDIT' view of workout
def workout_view(request,id=0):
    try:
	# check if valid ID exists (workout exists)
	row = Workout.objects.get(id=id)
        if row.privacy == 'private':
            raise Http404("Not allowed to view this workout")
        
	g = GraphImage.objects.filter(workout=row).order_by("-creationdatetime")
	r = Rower.objects.get(id=row.user.id)
	u = User.objects.get(id=r.user.id)

	
	# create interactive plot
	res = interactive_chart(id)
	script = res[0]
	div = res[1]
	
		
	# render page
	if (len(g)<=3):
	    return render(request, 'workout_view.html',
			  {'workout':row,
			   'graphs1':g[0:3],
			   'last_name':u.last_name,
			   'first_name':u.first_name,
			   'interactiveplot':script,
			   'the_div':div})
	else:
	    return render(request, 'workout_view.html',
			  {'workout':row,
			   'graphs1':g[0:3],
			   'graphs2':g[3:6],
			   'last_name':u.last_name,
			   'first_name':u.first_name,
			   'interactiveplot':script,

			   'the_div':div})


    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

# Resets stroke data to raw data (pace)
@user_passes_test(ispromember,login_url="/",redirect_field_name=None)
def workout_undo_smoothenpace_view(request,id=0,message="",successmessage=""):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if (checkworkoutuser(request.user,row)==False):
	message = "You are not allowed to edit this workout"
	url = reverse(workouts_view,args=[str(message)])

	return HttpResponseRedirect(url)

    filename = row.csvfilename
    row = rdata(filename)
    if row == 0:
	return HttpResponse("Error: CSV Data File Not Found")

    if 'originalvelo' in row.df:
	velo = row.df['originalvelo'].values
	row.df[' Stroke500mPace (sec/500m)'] = 500./velo

    row.write_csv(filename,gzip=True)
    dataprep.update_strokedata(id,row.df)

    url = "/rowers/workout/"+str(id)+"/advanced"

    return HttpResponseRedirect(url)

	
# Data smoothing of pace data
@user_passes_test(ispromember,login_url="/",redirect_field_name=None)
def workout_smoothenpace_view(request,id=0,message="",successmessage=""):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if (checkworkoutuser(request.user,row)==False):
	message = "You are not allowed to edit this workout"
	url = reverse(workouts_view,args=[str(message)])

	return HttpResponseRedirect(url)

    filename = row.csvfilename
    row = rdata(filename)
    if row == 0:
	return HttpResponse("Error: CSV Data File Not Found")

    pace = row.df[' Stroke500mPace (sec/500m)'].values
    velo = 500./pace

    if not 'originalvelo' in row.df:
	row.df['originalvelo'] = velo

    velo2 = stravastuff.ewmovingaverage(velo,5)

    pace2 = 500./abs(velo2)

    row.df[' Stroke500mPace (sec/500m)'] = pace2

    row.df = row.df.fillna(0)

    row.write_csv(filename,gzip=True)
    dataprep.update_strokedata(id,row.df)

    url = "/rowers/workout/"+str(id)+"/advanced"

    return HttpResponseRedirect(url)

# Process CrewNerd Summary CSV and update summary
@user_passes_test(ispromember,login_url="/",redirect_field_name=None)
def workout_crewnerd_summary_view(request,id=0,message="",successmessage=""):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if request.method == 'POST':
	form = CNsummaryForm(request.POST,request.FILES)
	if form.is_valid():
	    f = request.FILES['file']
	    res = handle_uploaded_file(f)
	    fname = res[1]
	    try:
		sumd = summarydata(fname)
		row.summary = sumd.allstats()
		row.save()
		os.remove(fname)
		successmessage = "CrewNerd summary added"
		url = reverse(workout_edit_view,
			      kwargs = {
				  'id':str(id),
				  'successmessage':str(successmessage),
				  })

		return HttpResponseRedirect(url)
	    except:
		os.remove(fname)
		message = "Something went wrong (workout_crewnerd_summary_view)"
		url = reverse(workout_edit_view,
			      kwargs = {
				  'id':str(id),
				  'message':str(message),
				  })
		return HttpResponseRedirect(url)
	else:
	    return render(request,
			  "cn_form.html",
			  {'form':form,
			   'id':row.id})
    else:
	form = CNsummaryForm()
	
	return render(request,
		      "cn_form.html",
		      {'form':form,
		       'id':row.id})
    
# Get weather for given location and date/time
@user_passes_test(ispromember,login_url="/",redirect_field_name=None)
def workout_downloadwind_view(request,id=0,
                              airportcode=None,
                              message="",successmessage=""):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    f1 = row.csvfilename
    if (checkworkoutuser(request.user,row)==False):
	message = "You are not allowed to edit this workout"
	url = reverse(workouts_view,args=[str(message)])

	return HttpResponseRedirect(url)

    # create bearing
    rowdata = rdata(f1)
    if rowdata == 0:
	return HttpResponse("Error: CSV Data File Not Found")

    try:
	bearing = rowdata.df.ix[:,'bearing'].values
    except KeyError:
	rowdata.add_bearing()
	rowdata.write_csv(f1,gzip=True)

    # get wind
    try:
	avglat = rowdata.df[' latitude'].mean()
	avglon = rowdata.df[' longitude'].mean()
	avgtime = int(rowdata.df['TimeStamp (sec)'].mean()-rowdata.df.ix[0,'TimeStamp (sec)'])
	startdatetime = dateutil.parser.parse("{}, {}".format(row.date,
							      row.starttime))
	
	starttimeunix = int(mktime(startdatetime.utctimetuple()))
	avgtime = starttimeunix+avgtime
	winddata = get_wind_data(avglat,avglon,avgtime)
	windspeed = winddata[0]
	windbearing = winddata[1]
	message = winddata[2]
	row.notes += "\n"+message
	row.save()
	rowdata.add_wind(windspeed,windbearing)
	rowdata.write_csv(f1,gzip=True)
	
	kwargs = {'successmessage':str(message),
		  'id':str(id)}

	url = reverse(workout_wind_view,kwargs=kwargs)
	response = HttpResponseRedirect(url)
    except KeyError:
	message = "No latitude/longitude data"
	kwargs = {'message':str(message),
		  'id':str(id)}
	url = reverse(workout_wind_view,kwargs=kwargs)
	response = HttpResponseRedirect(url)



    return response

# Get weather for given location and date/time
@user_passes_test(ispromember,login_url="/",redirect_field_name=None)
def workout_downloadmetar_view(request,id=0,
                              airportcode=None,
                              message="",successmessage=""):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    f1 = row.csvfilename
    if (checkworkoutuser(request.user,row)==False):
	message = "You are not allowed to edit this workout"
	url = reverse(workouts_view,args=[str(message)])

	return HttpResponseRedirect(url)

    # create bearing
    rowdata = rdata(f1)
    if rowdata == 0:
	return HttpResponse("Error: CSV Data File Not Found")

    try:
	bearing = rowdata.df.ix[:,'bearing'].values
    except KeyError:
	rowdata.add_bearing()
	rowdata.write_csv(f1,gzip=True)

    # get wind
    try:
	avglat = rowdata.df[' latitude'].mean()
	avglon = rowdata.df[' longitude'].mean()
        airportcode = get_airport_code(avglat,avglon)[0]
	avgtime = int(rowdata.df['TimeStamp (sec)'].mean()-rowdata.df.ix[0,'TimeStamp (sec)'])
	startdatetime = dateutil.parser.parse("{}, {}".format(row.date,
							      row.starttime))
	
	starttimeunix = int(mktime(startdatetime.utctimetuple()))
	avgtime = starttimeunix+avgtime
	winddata = get_metar_data(airportcode,avgtime)
	windspeed = winddata[0]
	windbearing = winddata[1]
	message = winddata[2]
	row.notes += "\n"+message
	row.save()
	rowdata.add_wind(windspeed,windbearing)
	rowdata.write_csv(f1,gzip=True)
	
	kwargs = {'successmessage':str(message),
		  'id':str(id)}

	url = reverse(workout_wind_view,kwargs=kwargs)
	response = HttpResponseRedirect(url)
    except KeyError:
	message = "No latitude/longitude data"
	kwargs = {'message':str(message),
		  'id':str(id)}
	url = reverse(workout_wind_view,kwargs=kwargs)
	response = HttpResponseRedirect(url)



    return response


# Show form to update wind data
@user_passes_test(ispromember,login_url="/",redirect_field_name=None)
def workout_wind_view(request,id=0,message="",successmessage=""):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if (checkworkoutuser(request.user,row)==False):
	message = "You are not allowed to edit this workout"
	url = reverse(workouts_view,args=[str(message)])

	return HttpResponseRedirect(url)


    # get data
    f1 = row.csvfilename
    u = request.user
    r = Rower.objects.get(user=u)

    # create bearing
    rowdata = rdata(f1)
    if row == 0:
	return HttpResponse("Error: CSV Data File Not Found")


    hascoordinates = 1
    try:
	latitude = rowdata.df.ix[:,' latitude']
    except KeyError:
	hascoordinates = 0

    if not latitude.std():
        hascoordinates = 0
        
    try:
	bearing = rowdata.df.ix[:,'bearing'].values
    except KeyError:
	rowdata.add_bearing()
	rowdata.write_csv(f1,gzip=True)
	

    if hascoordinates:
        avglat = rowdata.df[' latitude'].mean()
        avglon = rowdata.df[' longitude'].mean()
        airportcode,newlat,newlon,airportdistance = get_airport_code(avglat,avglon)
        airportcode = airportcode.upper()
        airportdistance = airportdistance[0]
    else:
        airportcode = 'UNKNOWN'
        airportdistance = 0
        

    if request.method == 'POST':
	# process form
	form = UpdateWindForm(request.POST)

	if form.is_valid():
	    
	    vwind1 = form.cleaned_data['vwind1']
	    vwind2 = form.cleaned_data['vwind2']
	    dist1 = form.cleaned_data['dist1']
	    dist2 = form.cleaned_data['dist2']
	    winddirection1 = form.cleaned_data['winddirection1']
	    winddirection2 = form.cleaned_data['winddirection2']
	    windunit = form.cleaned_data['windunit']

	    rowdata.update_wind(vwind1,vwind2,
				winddirection1,
				winddirection2,
				dist1,dist2,
				units=windunit)

	    rowdata.write_csv(f1,gzip=True)

	    
	else:
	    message = "Invalid Form"
	    kwargs = {'message':str(message),
		      'id':str(id)}
	    url = reverse(workout_wind_view,kwargs=kwargs)
	    response = HttpResponseRedirect(url)
	    
    else:
	form = UpdateWindForm()

    # create interactive plot
    res = interactive_windchart(id,promember=1)
    script = res[0]
    div = res[1]

    if hascoordinates:
	res = googlemap_chart(rowdata.df[' latitude'],
			      rowdata.df[' longitude'],
			      row.name)
	gmscript = res[0]
	gmdiv = res[1]
    else:
	gmscript = ""
	gmdiv = "No GPS data available"

    return render(request,
		  'windedit.html',
		  {'workout':row,
		   'message': message,
		   'successmessage': successmessage,
		   'interactiveplot':script,
		   'form':form,
                   'airport':airportcode,
                   'airportdistance':airportdistance,
		   'the_div':div,
		   'gmap':gmscript,
		   'gmapdiv':gmdiv})
    

# Show form to update River stream data (for river dwellers)
@user_passes_test(ispromember,login_url="/",redirect_field_name=None)
def workout_stream_view(request,id=0,message="",successmessage=""):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if (checkworkoutuser(request.user,row)==False):
	message = "You are not allowed to edit this workout"
	url = reverse(workouts_view,args=[str(message)])

	return HttpResponseRedirect(url)


    # create interactive plot
    f1 = row.csvfilename
    u = request.user
    r = Rower.objects.get(user=u)

    rowdata = rdata(f1)
    if rowdata == 0:
	return HttpResponse("Error: CSV Data File Not Found")

    if request.method == 'POST':
	# process form
	form = UpdateStreamForm(request.POST)

	if form.is_valid():
	    
	    dist1 = form.cleaned_data['dist1']
	    dist2 = form.cleaned_data['dist2']
	    stream1 = form.cleaned_data['stream1']
	    stream2 = form.cleaned_data['stream2']
	    streamunit = form.cleaned_data['streamunit']

	    rowdata.update_stream(stream1,stream2,dist1,dist2,
				units=streamunit)

	    rowdata.write_csv(f1,gzip=True)

	    
	else:
	    message = "Invalid Form"
	    kwargs = {'message':str(message),
		      'id':str(id)}
	    url = reverse(workout_wind_view,kwargs=kwargs)
	    response = HttpResponseRedirect(url)
	    
    else:
	form = UpdateStreamForm()

    # create interactive plot
    res = interactive_streamchart(id,promember=1)
    script = res[0]
    div = res[1]

    return render(request,
		  'streamedit.html',
		  {'workout':row,
		   'message': message,
		   'successmessage': successmessage,
		   'interactiveplot':script,
		   'form':form,
		   'the_div':div})
    
# Form to set average crew weight and boat type, then run power calcs
@user_passes_test(ispromember, login_url="/",redirect_field_name=None)
def workout_otwsetpower_view(request,id=0,message="",successmessage=""):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if (checkworkoutuser(request.user,row)==False):
	message = "You are not allowed to edit this workout"
	url = reverse(workouts_view,args=[str(message)])

	return HttpResponseRedirect(url)


    if request.method == 'POST':
	# process form
	form = AdvancedWorkoutForm(request.POST)

	if form.is_valid():
	    boattype = form.cleaned_data['boattype']
	    weightvalue = form.cleaned_data['weightvalue']
	    row.boattype = boattype
	    row.weightvalue = weightvalue
	    row.save()

	    # load row data & create power/wind/bearing columns if not set
	    f1 = row.csvfilename
	    rowdata = rdata(f1)
	    if rowdata == 0:
		return HttpResponse("Error: CSV Data File Not Found")
	    try:
		vstream = rowdata.df['vstream']
	    except KeyError:
		rowdata.add_stream(0)
		rowdata.write_csv(f1,gzip=True)

	    try:
		bearing = rowdata.df['bearing']
	    except KeyError:
		rowdata.add_bearing()
		rowdata.write_csv(f1,gzip=True)

	    try:
		vwind = rowdata.df['vwind']
	    except KeyError:
		rowdata.add_wind(0,0)
		rowdata.write_csv(f1,gzip=True)

	    # do power calculation (asynchronous)
	    u = request.user
	    first_name = u.first_name
	    last_name = u.last_name
	    emailaddress = u.email
	    
	    if settings.DEBUG:	    
		res = handle_otwsetpower.delay(f1,boattype,weightvalue,
					       first_name,last_name,emailaddress,id)
	    else:
		res = queuelow.enqueue(handle_otwsetpower,f1,boattype,
				    weightvalue,
				    first_name,last_name,emailaddress,id)

	    
	    successmessage = "Your calculations have been submitted. You will receive an email when they are done."
	    kwargs = {'successmessage':str(successmessage),
		      'id':str(id)}

	    url = reverse(workout_advanced_view,kwargs=kwargs)
	    response = HttpResponseRedirect(url)
	    return response
	    
	else:
	    message = "Invalid Form"
	    kwargs = {'message':str(message),
		      'id':str(id)}
	    url = reverse(workout_otwsetpower_view,kwargs=kwargs)
	    response = HttpResponseRedirect(url)
	    
    else:
	form = AdvancedWorkoutForm(instance=row)

    return render(request,
		  'otwsetpower.html',
		  {'workout':row,
		   'message': message,
		   'successmessage': successmessage,
		   'form':form,
		   })

# A special Edit page with all the Geeky functionality for the workout
@login_required()
def workout_geeky_view(request,id=0,message="",successmessage=""):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    form = WorkoutForm(instance=row)
    g = GraphImage.objects.filter(workout=row).order_by("-creationdatetime")
    # check if user is owner of this workout

    if (checkworkoutuser(request.user,row)==False):
	message = "You are not allowed to edit this workout"
	url = reverse(workouts_view,args=[str(message)])

	return HttpResponseRedirect(url)


    # create interactive plot
    f1 = row.csvfilename
    u = request.user
    r = Rower.objects.get(user=u)

    # create interactive plot
    try:
	res = interactive_chart(id,promember=1)
	script = res[0]
	div = res[1]
    except ValueError:
	pass
    
    if row.workouttype=='water':
	return render(request,
		  'otwgeeky.html',
		  {'workout':row,
		   'message': message,
		   'successmessage': successmessage,
		   'interactiveplot':script,
		   'the_div':div})
    else:
	return render(request,
		  'advancededit.html',
		  {'workout':row,
		   'message': message,
		   'successmessage': successmessage,
		   'interactiveplot':script,
		   'the_div':div})

# Cumulative stats page
@login_required()
def cumstats(request,theuser=0,
	     startdate=timezone.now()-datetime.timedelta(days=365),
	     enddate=timezone.now(),
	     deltadays=-1,
	     startdatestring="",
	     enddatestring="",
             options={
                 'includereststrokes':False,
                 'workouttypes':['rower','dynamic','slides']
             }):

    if 'options' in request.session:
        options = request.session['options']
        
    workouttypes = options['workouttypes']
    includereststrokes = options['includereststrokes']
    workstrokesonly = not includereststrokes
    checktypes = ['water','rower','dynamic','slides','skierg',
                  'paddle','snow','other']
    
    if deltadays>0:
	startdate = enddate-datetime.timedelta(days=int(deltadays))

    if startdatestring != "":
	startdate = iso8601.parse_date(startdatestring)

    if enddatestring != "":
	enddate = iso8601.parse_date(enddatestring)

    if enddate < startdate:
	s = enddate
	enddate = startdate
	startdate = s

    promember=0
    if theuser == 0:
	theuser = request.user.id

    if not request.user.is_anonymous():
	r = Rower.objects.get(user=request.user)
	result = request.user.is_authenticated() and ispromember(request.user)
	if result:
	    promember=1

    if not promember:
	return HttpResponseRedirect("/rowers/promembership/")
	
    # get all indoor rows of in date range
    # process form
    if request.method == 'POST' and "daterange" in request.POST:
	form = DateRangeForm(request.POST)
	deltaform = DeltaDaysForm(request.POST)
        optionsform = StatsOptionsForm()
	if form.is_valid():
	    startdate = form.cleaned_data['startdate']
	    enddate = form.cleaned_data['enddate']
	    if startdate > enddate:
		s = enddate
		enddate = startdate
		startdate = s
    elif request.method == 'POST' and "datedelta" in request.POST:
	deltaform = DeltaDaysForm(request.POST)
	if deltaform.is_valid():
	    deltadays = deltaform.cleaned_data['deltadays']
	    if deltadays != 0:
		enddate = timezone.now()
		startdate = enddate-datetime.timedelta(days=deltadays)
		if startdate > enddate:
		    s = enddate
		    enddate = startdate
		    startdate = s
		form = DateRangeForm(initial={
		    'startdate': startdate,
		    'enddate': enddate,
		    })
                optionsform = StatsOptionsForm()
            else:
                form = DateRangeForm()
                optionsform = StatsOptionsForm()
    elif request.method == 'POST' and 'options' in request.POST:
        optionsform = StatsOptionsForm(request.POST)
        if optionsform.is_valid():
            includereststrokes = optionsform.cleaned_data['includereststrokes']
            workstrokesonly = not includereststrokes
            workouttypes = []
            for type in checktypes:
                if optionsform.cleaned_data[type]:
                    workouttypes.append(type)

            options = {
                'includereststrokes':includereststrokes,
                'workouttypes':workouttypes,
                }
            form = DateRangeForm()
            deltaform = DeltaDaysForm()
        else:
            form = DateRangeForm()
            deltaform = DeltaDaysForm()
    else:
	form = DateRangeForm(initial={
	    'startdate': startdate,
	    'enddate': enddate,
	    })
	deltaform = DeltaDaysForm()
        optionsform = StatsOptionsForm()

    try:
	r2 = Rower.objects.get(user=theuser)
	allergworkouts = Workout.objects.filter(user=r2,
						workouttype__in=workouttypes,
						startdatetime__gte=startdate,
						startdatetime__lte=enddate)
	
    except Rower.DoesNotExist:
	allergworkouts = []
	r2=0

    try:
	u = User.objects.get(id=theuser)
    except User.DoesNotExist:
	u = ''

    ids = [int(workout.id) for workout in allergworkouts]

    fieldlist,fielddict = dataprep.getstatsfields()
    
    # prepare data frame
    datadf = dataprep.read_cols_df_sql(ids,fieldlist)

    datadf = dataprep.clean_df_stats(datadf,workstrokesonly=workstrokesonly)
    
    
    if datadf.empty:
        return HttpResponse("No data found")


    # Create stats
    stats = {}
    fielddict.pop('workoutstate')

    for field,verbosename in fielddict.iteritems():
        thedict = {
            'mean':datadf[field].mean(),
            'min': datadf[field].min(),
            'std': datadf[field].std(),
            'max': datadf[field].max(),
            'median': datadf[field].median(),
            'firstq':datadf[field].quantile(q=0.25),
            'thirdq':datadf[field].quantile(q=0.75),
            'verbosename':verbosename,
        }
        stats[field] = thedict

    # Create a dict with correlation values
    cor = datadf.corr(method='spearman')
    cor.fillna(value=0,inplace=True)
    cordict = {}
    for field1,verbosename in fielddict.iteritems():
        thedict = {}
        for field2,verbosename in fielddict.iteritems():
            try:
                thedict[field2] = cor.ix[field1,field2]
            except KeyError:
                thedict[field2] = 0

            cordict[field1] = thedict

    # set options form correctly
    initial = {}
    initial['includereststrokes'] = includereststrokes

    for wtype in checktypes:
        if wtype in workouttypes:
            initial[wtype] = True
        else:
            initial[wtype] = False


    optionsform = StatsOptionsForm(initial=initial)
            
    response = render(request,
		  'cumstats.html',
		  {
                      'stats':stats,
                      'options':options,
		      'id':theuser,
		      'theuser':u,
		      'startdate':startdate,
		      'enddate':enddate,
		      'form':form,
		      'deltaform':deltaform,
                      'optionsform':optionsform,
                      'cordict':cordict,
                  })

    request.session['options'] = options

    return response

# Stats page
@login_required()
def workout_stats_view(request,id=0,message="",successmessage=""):
    workstrokesonly = True
    if request.method == 'POST' and 'workstrokesonly' in request.POST:
        workstrokesonly = request.POST['workstrokesonly']


    # prepare data frame
    datadf,row = dataprep.getrowdata_db(id=id)
    if (checkworkoutuser(request.user,row)==False):
        message = "You are not allowed to see the stats of this workout"
        url = reverse(workouts_view,args=[str(message)])
        return HttpResponseRedirect(url)

    datadf = dataprep.clean_df_stats(datadf,workstrokesonly=workstrokesonly)

        
    if datadf.empty:
        return HttpResponse("CSV data file not found")

    workoutstateswork = [1,4,5,8,9,6,7]
    workoutstatesrest = [3]
    workoutstatetransition = [0,2,10,11,12,13]


    # Create stats
    stats = {}

    fieldlist,fielddict = dataprep.getstatsfields()
    fielddict.pop('workoutstate')

    for field,verbosename in fielddict.iteritems():
        thedict = {
            'mean':datadf[field].mean(),
            'min': datadf[field].min(),
            'std': datadf[field].std(),
            'max': datadf[field].max(),
            'median': datadf[field].median(),
            'firstq':datadf[field].quantile(q=0.25),
            'thirdq':datadf[field].quantile(q=0.75),
            'verbosename':verbosename,
        }
        stats[field] = thedict

    # Create a dict with correlation values
    cor = datadf.corr(method='spearman')
    cor.fillna(value=0,inplace=True)
    cordict = {}
    for field1,verbosename in fielddict.iteritems():
        thedict = {}
        for field2,verbosename in fielddict.iteritems():
            try:
                thedict[field2] = cor.ix[field1,field2]
            except KeyError:
                thedict[field2] = 0

            cordict[field1] = thedict

    return render(request,
		  'workoutstats.html',
		  {
                      'stats':stats,
                      'workout':row,
                      'workstrokesonly':workstrokesonly,
                      'cordict':cordict,
                  })
    
# The Advanced edit page
@login_required()
def workout_advanced_view(request,id=0,message="",successmessage=""):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")
    form = WorkoutForm(instance=row)
    g = GraphImage.objects.filter(workout=row).order_by("-creationdatetime")
    # check if user is owner of this workout

    if (checkworkoutuser(request.user,row)==False):
	message = "You are not allowed to edit this workout"
	url = reverse(workouts_view,args=[str(message)])

	return HttpResponseRedirect(url)


    # create interactive plot
    f1 = row.csvfilename
    u = request.user
    r = Rower.objects.get(user=u)

    # create interactive plot
    try:
	res = interactive_chart(id,promember=1)
	script = res[0]
	div = res[1]
    except ValueError:
	pass
    
    if row.workouttype=='water':
	return render(request,
		  'advancedotw.html',
		  {'workout':row,
		   'message': message,
		   'successmessage': successmessage,
		   'interactiveplot':script,
		   'the_div':div})
    else:
	return render(request,
		  'advancededit.html',
		  {'workout':row,
		   'message': message,
		   'successmessage': successmessage,
		   'interactiveplot':script,
		   'the_div':div})

# The interactive plot comparing two workouts (obsolete version)
def workout_comparison_view(request,id1=0,id2=0,xparam='distance',yparam='spm'):
    promember=0
    if not request.user.is_anonymous():
	r = Rower.objects.get(user=request.user)
	result = request.user.is_authenticated() and ispromember(request.user)
	if result:
	    promember=1

    # create interactive plot
    res = interactive_comparison_chart(id1,id2,xparam=xparam,yparam=yparam,
				       promember=promember)
    script = res[0]
    div = res[1]

    axchoicesbasic = {ax[0]:ax[1] for ax in axes if ax[4]=='basic'}
    axchoicespro = {ax[0]:ax[1] for ax in axes if ax[4]=='pro'}
    noylist = ["time","distance"]
    axchoicesbasic.pop("cumdist")

    return render(request,
		  'comparisonchart.html',
		  {'interactiveplot':script,
		   'the_div':div,
		   'id1':id1,
		   'id2':id2,
                   'axchoicesbasic':axchoicesbasic,
                   'axchoicespro':axchoicespro,
                   'noylist':noylist,
		   'xparam':xparam,
		   'yparam':yparam,
		   })

# Updated version of comparison plot	
def workout_comparison_view2(request,id1=0,id2=0,xparam='distance',
			    yparam='spm',plottype='line'):
    promember=0
    if not request.user.is_anonymous():
	r = Rower.objects.get(user=request.user)
	result = request.user.is_authenticated() and ispromember(request.user)
	if result:
	    promember=1

    if not Workout.objects.filter(id=id1).exists() or not Workout.objects.filter(id=id2).exists():
        raise Http404("Workout doesn't exist")
        
    # create interactive plot
    res = interactive_comparison_chart(id1,id2,xparam=xparam,yparam=yparam,
				       promember=promember,plottype=plottype)
    script = res[0]
    div = res[1]

    axchoicesbasic = {ax[0]:ax[1] for ax in axes if ax[4]=='basic'}
    axchoicespro = {ax[0]:ax[1] for ax in axes if ax[4]=='pro'}
    noylist = ["time","distance"]
    axchoicesbasic.pop("cumdist")

    row1 = Workout.objects.get(id=id1)
    row2 = Workout.objects.get(id=id2)

    if row1.workouttype != 'water' or row2.workouttype != 'water':
        axchoicespro.pop('slip')
        axchoicespro.pop('wash')
        axchoicespro.pop('catch')
        axchoicespro.pop('finish')
        axchoicespro.pop('totalangle')
        axchoicespro.pop('effectiveangle')
        axchoicespro.pop('peakforceangle')
        
    
    return render(request,
		  'comparisonchart2.html',
		  {'interactiveplot':script,
		   'the_div':div,
		   'id1':id1,
		   'id2':id2,
                   'axchoicesbasic':axchoicesbasic,
                   'axchoicespro':axchoicespro,
                   'noylist':noylist,
		   'xparam':xparam,
		   'yparam':yparam,
		   'plottype':plottype,
		   'promember':promember,
		   })
	
	
# The famous flex chart
def workout_flexchart3_view(request,*args,**kwargs):
    
    try:
        id = kwargs['id']
    except KeyError:
        return HttpResponse("Invalid workout number")
    
    if 'promember' in kwargs:
        promember = kwargs['promember']
    else:
        promember = 0

    try:
        favoritenr = int(request.GET['favoritechart'])
    except:
        favoritenr = 0
        

    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    promember=0
    mayedit=0
    if not request.user.is_anonymous():
	r = Rower.objects.get(user=request.user)
	result = request.user.is_authenticated() and ispromember(request.user)
	if result:
	    promember=1
	if request.user == row.user.user:
	    mayedit=1


    workouttype = 'ote'
    if row.workouttype == 'water':
        workouttype = 'otw'

    try:
        favorites = FavoriteChart.objects.filter(user=r,
                                                 workouttype__in=[workouttype,'both']).order_by("id")
        maxfav = len(favorites)-1
    except:
        favorites = None
        maxfav = 0

    # check if favoritenr is not out of range
    if favorites:
        try:
            t = favorites[favoritenr].xparam
        except IndexError:
            favoritenr=0
        
    if 'xparam' in kwargs:
        xparam = kwargs['xparam']
    else:
        if favorites:
            xparam = favorites[favoritenr].xparam
        else:
            xparam = 'distance'

    if 'yparam1' in kwargs:
        yparam1 = kwargs['yparam1']
    else:
        if favorites:
            yparam1 = favorites[favoritenr].yparam1
        else:
            yparam1 = 'pace'
            
    if 'yparam2' in kwargs:
        yparam2 = kwargs['yparam2']
        if yparam2 == '':
            yparam2 = 'None'
    else:
        if favorites:
            yparam2 = favorites[favoritenr].yparam2
            if yparam2 == '':
                yparam2 = 'None'
        else:
            yparam2 = 'hr'

    if 'plottype' in kwargs:
        plottype = kwargs['plottype']
    else:
        if favorites:
            plottype = favorites[favoritenr].plottype
        else:
            plottype = 'line'

    if 'workstrokesonly' in kwargs:
        workstrokesonly = kwargs['workstrokesonly']
    else:
        if favorites:
            workstrokesonly = not favorites[favoritenr].reststrokes
        else:
            workstrokesonly = False
            
    if request.method == 'POST' and 'savefavorite' in request.POST:
        workstrokesonly = request.POST['workstrokesonlysave']
        reststrokes = not workstrokesonly
        f = FavoriteChart(user=r,xparam=xparam,
                          yparam1=yparam1,yparam2=yparam2,
                          plottype=plottype,workouttype=workouttype,
                          reststrokes=reststrokes)
        f.save()

    if request.method == 'POST' and 'workstrokesonly' in request.POST:
	workstrokesonly = request.POST['workstrokesonly']
	if workstrokesonly == 'True':
	    workstrokesonly = True
	else:
	    workstrokesonly = False

    # create interactive plot
    try:
        script,div,js_resources,css_resources = interactive_flex_chart2(id,xparam=xparam,yparam1=yparam1,
				 yparam2=yparam2,
				 promember=promember,plottype=plottype,
				 workstrokesonly=workstrokesonly)
    except ValueError:
        script,div = interactive_flex_chart2(id,xparam=xparam,yparam1=yparam1,
				             yparam2=yparam2,
				             promember=promember,plottype=plottype,
				             workstrokesonly=workstrokesonly)
        js_resources = ""
        css_resources = ""

        
    # script = res[0]
    # div = res[1]
    # js_resources = res[2]
    # css_resources = res[3]

    
    axchoicesbasic = {ax[0]:ax[1] for ax in axes if ax[4]=='basic'}
    axchoicespro = {ax[0]:ax[1] for ax in axes if ax[4]=='pro'}
    noylist = ["time","distance"]
    axchoicesbasic.pop("cumdist")
    
    if row.workouttype == 'water':
        return render(request,
		      'flexchart3otw.html',
		      {'the_script':script,
		       'the_div':div,
		       'js_res': js_resources,
		       'css_res':css_resources,
		       'id':id,
		       'xparam':xparam,
		       'yparam1':yparam1,
		       'yparam2':yparam2,
		       'plottype':plottype,
		       'mayedit':mayedit,
		       'promember':promember,
                       'axchoicesbasic':axchoicesbasic,
                       'axchoicespro':axchoicespro,
                       'noylist':noylist,
		       'workstrokesonly': not workstrokesonly,
                       'favoritenr':favoritenr,
                       'maxfav':maxfav,
		      })
    else:
        axchoicespro.pop('slip')
        axchoicespro.pop('wash')
        axchoicespro.pop('catch')
        axchoicespro.pop('finish')
        axchoicespro.pop('totalangle')
        axchoicespro.pop('effectiveangle')
        axchoicespro.pop('peakforceangle')
        
        
        return render(request,
		      'flexchart3otw.html',
		      {'the_script':script,
		       'the_div':div,
		       'js_res': js_resources,
		       'css_res':css_resources,
		       'id':id,
		       'xparam':xparam,
		       'yparam1':yparam1,
		       'yparam2':yparam2,
		       'plottype':plottype,
                       'axchoicesbasic':axchoicesbasic,
                       'axchoicespro':axchoicespro,
                       'noylist':noylist,
		       'mayedit':mayedit,
		       'promember':promember,
		       'workstrokesonly': not workstrokesonly,
                       'favoritenr':favoritenr,
                       'maxfav':maxfav,
		      })
	

# The interactive plot with the colored Heart rate zones
def workout_biginteractive_view(request,id=0,message="",successmessage=""):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    # check if user is owner of this workout


    # create interactive plot
    f1 = row.csvfilename
    u = request.user
    # r = Rower.objects.get(user=u)

    promember=0
    mayedit=0
    if not request.user.is_anonymous():
	r = Rower.objects.get(user=request.user)
	result = request.user.is_authenticated() and ispromember(request.user)
	if result:
	    promember=1
	if request.user == row.user.user:
	    mayedit=1


    # create interactive plot
    res = interactive_bar_chart(id,promember=promember)
    script = res[0]
    div = res[1]
    
    return render(request,
		  'biginteractive1.html',
		  {'workout':row,
		   'message': message,
		   'successmessage': successmessage,
		   'interactiveplot':script,
		   'the_div':div,
		   'promember':promember,
		   'mayedit':mayedit})

# The interactive plot with wind corrected pace for OTW outings
def workout_otwpowerplot_view(request,id=0,message="",successmessage=""):
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    # check if user is owner of this workout


    # create interactive plot
    f1 = row.csvfilename
    u = request.user
    # r = Rower.objects.get(user=u)

    promember=0
    mayedit=0
    if not request.user.is_anonymous():
	r = Rower.objects.get(user=request.user)
	result = request.user.is_authenticated() and ispromember(request.user)
	if result:
	    promember=1
	if request.user == row.user.user:
	    mayedit=1

    # create interactive plot
    res = interactive_otw_advanced_pace_chart(id,promember=promember)
    script = res[0]
    div = res[1]

    
    return render(request,
		  'otwinteractive.html',
		  {'workout':row,
		   'message': message,
		   'successmessage': successmessage,
		   'interactiveplot':script,
		   'the_div':div,
		   'mayedit':mayedit})

# the page where you can chose where to export this workout
@login_required()
def workout_export_view(request,id=0, message="", successmessage=""):
    request.session[translation.LANGUAGE_SESSION_KEY] = USER_LANGUAGE
    try:
        row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    try:
	thetoken = c2_open(request.user)
    except C2NoTokenError:
        thetoken = 0

    if (checkworkoutuser(request.user,row)) and thetoken:
        c2userid = c2stuff.get_userid(thetoken)
    else:
        c2userid = 0

    form = WorkoutForm(instance=row)
    g = GraphImage.objects.filter(workout=row).order_by("-creationdatetime")
    # check if user is owner of this workout

    if (checkworkoutuser(request.user,row)==False):
	message = "You are not allowed to edit this workout"
	url = reverse(workouts_view,args=[str(message)])

	return HttpResponseRedirect(url)

    else:
	return render(request,
		      'export.html',
		      {'workout':row,
		       'message':message,
		       'successmessage':successmessage,
                       'c2userid':c2userid,
		       })

#
@login_required()
def workout_unsubscribe_view(request,id=0):
    try:
        w = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
        raise Http404("Workout doesn't exist")

    if w.privacy == 'private' and w.user.user != request.user:
	return HttpResponseForbidden("Permission error")

    comments = WorkoutComment.objects.filter(workout=w,
                                             user=request.user).order_by("created")

    for c in comments:
        c.notify = False
        c.save()

    form = WorkoutCommentForm()

    message = 'You have been unsubscribed from new comment notifications for this workout'
    
    return render(request,
                  'workout_comments.html',
                  {'workout':w,
                   'comments':comments,
                   'successmessage':message,
                   'form':form,
                   })

        
# list of comments to a workout
@login_required()
def workout_comment_view(request,id=0):
    try:
        w = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
        raise Http404("Workout doesn't exist")

    if w.privacy == 'private' and w.user.user != request.user:
	return HttpResponseForbidden("Permission error")

    comments = WorkoutComment.objects.filter(workout=w).order_by("created")

    # ok we're permitted
    if request.method == 'POST':
        r = w.user
        form = WorkoutCommentForm(request.POST)
        if form.is_valid():
            cd = form.cleaned_data
            comment = cd['comment']
            notification = cd['notification']
            c = WorkoutComment(workout=w,user=request.user,comment=comment,
                               notification=notification)
            c.save()
            if settings.DEBUG and request.user != r.user:
	        res = handle_sendemailnewcomment.delay(r.user.first_name,
					               r.user.last_name,
					               r.user.email,
                                                       request.user.first_name,
                                                       request.user.last_name,
                                                       comment,w.name,
                                                       w.id)

                
	    elif request.user != r.user:
	        res = queuehigh.enqueue(handle_sendemailnewcomment,r.user.first_name,
				    r.user.last_name,
				    r.user.email,
                                    request.user.first_name,
                                    request.user.last_name,
                                    comment,w.name,w.id)
                
            commenters = {oc.user for oc in comments if oc.notification}
            for u in commenters:
                if settings.DEBUG and u != request.user and u != r.user:
                    res = handle_sendemailnewresponse.delay(u.first_name,
                                                      u.last_name,
                                                      u.email,
                                                      request.user.first_name,
                                                      request.user.last_name,
                                                      comment,
                                                      w.name,
                                                      w.id,
                                                      c.id)
                elif u != request.user and u != r.user:
                    res = queuelow.enqueue(handle_sendemailnewresponse,
                                           u.first_name,
                                           u.last_name,
                                           u.email,
                                           request.user.first_name,
                                           request.user.last_name,
                                           comment,
                                           w.name,
                                           w.id,
                                           c.id)

        url = reverse(workout_comment_view,kwargs = {
        'id':id})
        return HttpResponseRedirect(url)
                
    form = WorkoutCommentForm()

    g = GraphImage.objects.filter(workout=row).order_by("-creationdatetime")

    if (len(g)<=3):
        return render(request,
                      'workout_comments.html',
                      {'workout':w,
		       'graphs1':g[0:3],
                       'comments':comments,
                       'form':form,
                      })
    else:
        return render(request,
                      'workout_comments.html',
                      {'workout':w,
		       'graphs1':g[0:3],
		       'graphs1':g[3:6],
                       'comments':comments,
                       'form':form,
                      })
        
        
# The basic edit page
@login_required()
def workout_edit_view(request,id=0,message="",successmessage=""):
    request.session[translation.LANGUAGE_SESSION_KEY] = USER_LANGUAGE

    try:
	# check if valid ID exists (workout exists)
	row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
        raise Http404("Workout doesn't exist")

    if request.method == 'POST':
	# Form was submitted
	form = WorkoutForm(request.POST)
	if form.is_valid():
	    # Get values from form
	    name = form.cleaned_data['name']
	    date = form.cleaned_data['date']
	    starttime = form.cleaned_data['starttime']
	    workouttype = form.cleaned_data['workouttype']
	    duration = form.cleaned_data['duration']
	    distance = form.cleaned_data['distance']
	    notes = form.cleaned_data['notes']
            try:
                boattype  = request.POST['boattype']
            except KeyError:
                boattype = Workout.objects.get(id=id).boattype
            try:
                privacy = request.POST['privacy']
            except KeyError:
                privacy = Workout.objects.get(id=id).privacy
	    startdatetime = (str(date) + ' ' + str(starttime))
	    startdatetime = datetime.datetime.strptime(startdatetime,
						       "%Y-%m-%d %H:%M:%S")
	    startdatetime = timezone.make_aware(startdatetime)
            # check if user is owner of this workout
            if checkworkoutuser(request.user,row):
                row.name  = name
                row.date = date
                row.starttime = starttime
                row.startdatetime = startdatetime
                row.workouttype = workouttype
                row.notes = notes
                row.duration = duration
                row.distance = distance
                row.boattype = boattype
                row.privacy = privacy
                row.save()
                # change data in csv file

                r = rdata(row.csvfilename)
                if r == 0:
                    return HttpResponse("Error: CSV Data File Not Found")
                r.rowdatetime = startdatetime
                r.write_csv(row.csvfilename,gzip=True)
                dataprep.update_strokedata(id,r.df)
                successmessage = "Changes saved"
                url = "/rowers/workout/"+str(row.id)+"/edit"
                url = reverse(workout_edit_view,
                              kwargs = {
                                  'id':str(row.id),
                                  'successmessage':str(successmessage),
                                  })
                response = HttpResponseRedirect(url)
            else:
                message = "You are not allowed to change this workout"
                url = reverse(workouts_view,args=[str(message)])

                response = HttpResponseRedirect(url)

    else: # form not POSTed
        form = WorkoutForm(instance=row)


    try:
	row = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
        raise Http404("Workout doesn't exist")

    g = GraphImage.objects.filter(workout=row).order_by("-creationdatetime")
    # check if user is owner of this workout

    if (checkworkoutuser(request.user,row)==False):
        raise Http404("You are not allowed to edit this workout")

    # create interactive plot
    f1 = row.csvfilename
    u = request.user
    r = Rower.objects.get(user=u)
    rowdata = rdata(f1)
    hascoordinates = 1
    if rowdata != 0:
        try:
            latitude = rowdata.df[' latitude']
            if not latitude.std():
                hascoordinates = 0
        except KeyError,AttributeError:
            hascoordinates = 0

    else:
        hascoordinates = 0


    if hascoordinates:
        res = googlemap_chart(rowdata.df[' latitude'],
                              rowdata.df[' longitude'],
                              row.name)
        gmscript = res[0]
        gmdiv = res[1]
    else:
        gmscript = ""
        gmdiv = ""


    # render page
    if (len(g)<=3):
        return render(request, 'workout_form.html',
                      {'form':form,
                       'workout':row,
                       'graphs1':g[0:3],
                       'message': message,
                       'successmessage': successmessage,
                       'gmscript': gmscript,
                       'gmdiv': gmdiv,
                       })

    else:
        return render(request, 'workout_form.html',
                      {'form':form,
                       'workout':row,
                       'graphs1':g[0:3],
                       'graphs2':g[3:6],
                       'message': message,
                       'successmessage': successmessage,
                       'gmscript': gmscript,
                       'gmdiv': gmdiv,
                       })


    return HttpResponseRedirect(url)

# Create the chart image with wind corrected pace (OTW)
@user_passes_test(ispromember,login_url="/",redirect_field_name=None)
def workout_add_otw_powerplot_view(request,id):
    try:
        w = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if (checkworkoutuser(request.user,w)==False):
	raise PermissionDenied("You are not allowed add plots to this workout")
    else:
	f1 = w.csvfilename[6:-4] 
	timestr = strftime("%Y%m%d-%H%M%S")
	imagename = f1+timestr+'.png'
	fullpathimagename = 'static/plots/'+imagename
	u = request.user
	r = Rower.objects.get(user=u)
        powerperc = 100*np.array([r.pw_ut2,
                                  r.pw_ut1,
                                  r.pw_at,
                                  r.pw_tr,r.pw_an])/r.ftp

        
	hrpwrdata = {
	    'hrmax':r.max,
	    'hrut2':r.ut2,
	    'hrut1':r.ut1,
	    'hrat':r.at,
	    'hrtr':r.tr,
	    'hran':r.an,
	    'ftp':r.ftp,
            'powerperc':serialize_list(powerperc),
            'powerzones':serialize_list(r.powerzones),
	    }

	# make plot - asynchronous task
	plotnr = 9

	if (w.workouttype=='water'):
	    plotnr = plotnr+3

	if settings.DEBUG:	    
	    res = handle_makeplot.delay(f1,w.csvfilename,
					w.name,hrpwrdata,plotnr,imagename)
	else:
	    res = queue.enqueue(handle_makeplot,f1,w.csvfilename,
						w.name,hrpwrdata,plotnr,imagename)
	    
#	i = GraphImage(workout=w,creationdatetime=datetime.datetime.now(),
#			   filename=fullpathimagename)
	i = GraphImage(workout=w,creationdatetime=timezone.now(),
			   filename=fullpathimagename)
	i.save()

    url = "/rowers/workout/"+str(w.id)+"/edit"
    return HttpResponseRedirect(url)

# Create the Heart rate zone pie chart	
@login_required()
def workout_add_piechart_view(request,id):
    try:
        w = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if (checkworkoutuser(request.user,w)==False):
	raise PermissionDenied("You are not allowed add plots to this workout")
    else:
	f1 = w.csvfilename[6:-4] 
	timestr = strftime("%Y%m%d-%H%M%S")
	imagename = f1+timestr+'.png'
	fullpathimagename = 'static/plots/'+imagename
	u = request.user
	r = Rower.objects.get(user=u)

	powerperc = 100*np.array([r.pw_ut2,
                                  r.pw_ut1,
                                  r.pw_at,
                                  r.pw_tr,r.pw_an])/r.ftp

        
	hrpwrdata = {
	    'hrmax':r.max,
	    'hrut2':r.ut2,
	    'hrut1':r.ut1,
	    'hrat':r.at,
	    'hrtr':r.tr,
	    'hran':r.an,
	    'ftp':r.ftp,
            'powerperc':serialize_list(powerperc),
            'powerzones':serialize_list(r.powerzones),
	    }

	# make plot - asynchronous task
	plotnr = 3

	if (w.workouttype=='water'):
	    plotnr = plotnr+3

	if settings.DEBUG:	    
	    res = handle_makeplot.delay(f1,w.csvfilename,
					w.name,hrpwrdata,plotnr,imagename)
	else:
	    res = queue.enqueue(handle_makeplot,f1,w.csvfilename,
						w.name,hrpwrdata,plotnr,imagename)
	    
#	i = GraphImage(workout=w,creationdatetime=datetime.datetime.now(),
#			   filename=fullpathimagename)
	i = GraphImage(workout=w,creationdatetime=timezone.now(),
			   filename=fullpathimagename)
	i.save()

    url = "/rowers/workout/"+str(w.id)+"/edit"
    return HttpResponseRedirect(url)

# Create the Power zone pie chart
@login_required()
def workout_add_power_piechart_view(request,id):
    try:
        w = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if (checkworkoutuser(request.user,w)==False):
	raise PermissionDenied("You are not allowed add plots to this workout")
    else:
	f1 = w.csvfilename[6:-4] 
	timestr = strftime("%Y%m%d-%H%M%S")
	imagename = f1+timestr+'.png'
	fullpathimagename = 'static/plots/'+imagename
	u = request.user
	r = Rower.objects.get(user=u)

	powerperc = 100*np.array([r.pw_ut2,
                                  r.pw_ut1,
                                  r.pw_at,
                                  r.pw_tr,r.pw_an])/r.ftp

        
	hrpwrdata = {
	    'hrmax':r.max,
	    'hrut2':r.ut2,
	    'hrut1':r.ut1,
	    'hrat':r.at,
	    'hrtr':r.tr,
	    'hran':r.an,
	    'ftp':r.ftp,
            'powerperc':serialize_list(powerperc),
            'powerzones':serialize_list(r.powerzones),
	    }

	# make plot - asynchronous task
	plotnr = 13

	if (w.workouttype=='water'):
	    plotnr = plotnr+3

	if settings.DEBUG:	    
	    res = handle_makeplot.delay(f1,w.csvfilename,
					w.name,hrpwrdata,plotnr,imagename)
	else:
	    res = queue.enqueue(handle_makeplot,f1,w.csvfilename,
						w.name,hrpwrdata,plotnr,imagename)
	    
	i = GraphImage(workout=w,creationdatetime=timezone.now(),
			   filename=fullpathimagename)
	i.save()

    url = "/rowers/workout/"+str(w.id)+"/edit"
    return HttpResponseRedirect(url)

# Create the time based summary chart
@login_required()
def workout_add_timeplot_view(request,id):
    try:
        w = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if (checkworkoutuser(request.user,w)==False):
	raise PermissionDenied("You are not allowed add plots to this workout")
    else:
	f1 = w.csvfilename[6:-4] 
	timestr = strftime("%Y%m%d-%H%M%S")
	imagename = f1+timestr+'.png'
	fullpathimagename = 'static/plots/'+imagename
	u = request.user
	r = Rower.objects.get(user=u)
	powerperc = 100*np.array([r.pw_ut2,
                                  r.pw_ut1,
                                  r.pw_at,
                                  r.pw_tr,r.pw_an])/r.ftp

        
	hrpwrdata = {
	    'hrmax':r.max,
	    'hrut2':r.ut2,
	    'hrut1':r.ut1,
	    'hrat':r.at,
	    'hrtr':r.tr,
	    'hran':r.an,
	    'ftp':r.ftp,
            'powerperc':serialize_list(powerperc),
            'powerzones':serialize_list(r.powerzones),
	    }

	# make plot - asynchronous task
	plotnr = 1

	if (w.workouttype=='water'):
	    plotnr = plotnr+3
		    
	if settings.DEBUG:	    
	    res = handle_makeplot.delay(f1,w.csvfilename,
					w.name,hrpwrdata,plotnr,imagename)
	else:
	    res = queue.enqueue(handle_makeplot,f1,w.csvfilename,
						w.name,hrpwrdata,plotnr,imagename)

	i = GraphImage(workout=w,creationdatetime=timezone.now(),
			   filename=fullpathimagename)
#	i = GraphImage(workout=w,creationdatetime=datetime.datetime.now(),
#			   filename=fullpathimagename)
	i.save()

    url = "/rowers/workout/"+str(w.id)+"/edit"
    return HttpResponseRedirect(url)
	
# Create the distance based summary chart
@login_required()
def workout_add_distanceplot_view(request,id):
    try:
        w = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if (checkworkoutuser(request.user,w)==False):
	raise PermissionDenied("You are not allowed add plots to this workout")
    else:
	f1 = w.csvfilename[6:-4] 
	timestr = strftime("%Y%m%d-%H%M%S")
	imagename = f1+timestr+'.png'
	fullpathimagename = 'static/plots/'+imagename
	u = request.user
	r = Rower.objects.get(user=u)
	powerperc = 100*np.array([r.pw_ut2,
                                  r.pw_ut1,
                                  r.pw_at,
                                  r.pw_tr,r.pw_an])/r.ftp

        
	hrpwrdata = {
	    'hrmax':r.max,
	    'hrut2':r.ut2,
	    'hrut1':r.ut1,
	    'hrat':r.at,
	    'hrtr':r.tr,
	    'hran':r.an,
	    'ftp':r.ftp,
            'powerperc':serialize_list(powerperc),
            'powerzones':serialize_list(r.powerzones),
	    }

	# make plot - asynchronous task
	plotnr = 2

	if (w.workouttype=='water'):
	    plotnr = plotnr+3
		    
	if settings.DEBUG:	    
	    res = handle_makeplot.delay(f1,w.csvfilename,
					w.name,hrpwrdata,plotnr,imagename)
	else:
	    res = queue.enqueue(handle_makeplot,f1,w.csvfilename,
						w.name,hrpwrdata,plotnr,imagename)
	
	i = GraphImage(workout=w,creationdatetime=timezone.now(),
			   filename=fullpathimagename)
	i.save()

    url = "/rowers/workout/"+str(w.id)+"/edit"
    return HttpResponseRedirect(url)

# Create the advanced parameters distance overview chart
@user_passes_test(ispromember,login_url="/",redirect_field_name=None)
def workout_add_distanceplot2_view(request,id):
    try:
        w = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if (checkworkoutuser(request.user,w)==False):
	raise PermissionDenied("You are not allowed add plots to this workout")
    else:
	f1 = w.csvfilename[6:-4] 
	timestr = strftime("%Y%m%d-%H%M%S")
	imagename = f1+timestr+'.png'
	fullpathimagename = 'static/plots/'+imagename
	u = request.user
	r = Rower.objects.get(user=u)
	powerperc = 100*np.array([r.pw_ut2,
                                  r.pw_ut1,
                                  r.pw_at,
                                  r.pw_tr,r.pw_an])/r.ftp

        
	hrpwrdata = {
	    'hrmax':r.max,
	    'hrut2':r.ut2,
	    'hrut1':r.ut1,
	    'hrat':r.at,
	    'hrtr':r.tr,
	    'hran':r.an,
	    'ftp':r.ftp,
            'powerperc':serialize_list(powerperc),
            'powerzones':serialize_list(r.powerzones),
	    }

	# make plot - asynchronous task
	plotnr = 7

	if (w.workouttype=='water'):
	    plotnr = plotnr+3
		    
	if settings.DEBUG:	    
	    res = handle_makeplot.delay(f1,w.csvfilename,
					w.name,hrpwrdata,plotnr,imagename)
	else:
	    res = queue.enqueue(handle_makeplot,f1,w.csvfilename,
						w.name,hrpwrdata,plotnr,imagename)
	
	i = GraphImage(workout=w,creationdatetime=timezone.now(),
			   filename=fullpathimagename)

	i.save()

    url = "/rowers/workout/"+str(w.id)+"/edit"
    return HttpResponseRedirect(url)


# Create the advanced parameters time based overview chart
@user_passes_test(ispromember,login_url="/",redirect_field_name=None)
def workout_add_timeplot2_view(request,id):
    try:
        w = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    if (checkworkoutuser(request.user,w)==False):
	raise PermissionDenied("You are not allowed add plots to this workout")
    else:
	f1 = w.csvfilename[6:-4] 
	timestr = strftime("%Y%m%d-%H%M%S")
	imagename = f1+timestr+'.png'
	fullpathimagename = 'static/plots/'+imagename
	u = request.user
	r = Rower.objects.get(user=u)
	powerperc = 100*np.array([r.pw_ut2,
                                  r.pw_ut1,
                                  r.pw_at,
                                  r.pw_tr,r.pw_an])/r.ftp

        
	hrpwrdata = {
	    'hrmax':r.max,
	    'hrut2':r.ut2,
	    'hrut1':r.ut1,
	    'hrat':r.at,
	    'hrtr':r.tr,
	    'hran':r.an,
	    'ftp':r.ftp,
            'powerperc':serialize_list(powerperc),
            'powerzones':serialize_list(r.powerzones),
	    }

	# make plot - asynchronous task
	plotnr = 8

	if (w.workouttype=='water'):
	    plotnr = plotnr+3
		    
	if settings.DEBUG:	    
	    res = handle_makeplot.delay(f1,w.csvfilename,
					w.name,hrpwrdata,plotnr,imagename)
	else:
	    res = queue.enqueue(handle_makeplot,f1,w.csvfilename,
						w.name,hrpwrdata,plotnr,imagename)
	
	i = GraphImage(workout=w,creationdatetime=timezone.now(),
			   filename=fullpathimagename)

	i.save()

    url = "/rowers/workout/"+str(w.id)+"/edit"
    return HttpResponseRedirect(url)

# The page where you select which Strava workout to import
@login_required()
def workout_stravaimport_view(request,message=""):
    res = stravastuff.get_strava_workout_list(request.user)
    if (res.status_code != 200):
	if (res.status_code == 401):
	    r = Rower.objects.get(user=request.user)
	    if (r.stravatoken == '') or (r.stravatoken is None):
		s = "Token doesn't exist. Need to authorize"
		return HttpResponseRedirect("/rowers/me/stravaauthorize/")
	message = "Something went wrong in workout_stravaimport_view"
	if settings.DEBUG:
	    return HttpResponse(res)
	else:
	    url = reverse(workouts_view,
			  kwargs = {
			      'message': str(message)
			      })
	    return HttpResponseRedirect(url)
    else:
	data = res.json()

	return render(request,'strava_list_import.html',
		      {'data':data,
		       'message':message,
		       })

    return HttpResponse(res)
	
# The page where you select which SportTracks page to import
@login_required()
def workout_sporttracksimport_view(request,message=""):
    res = sporttracksstuff.get_sporttracks_workout_list(request.user)
    if (res.status_code != 200):
	if (res.status_code == 401):
	    r = Rower.objects.get(user=request.user)
	    if (r.sporttrackstoken == '') or (r.sporttrackstoken is None):
		s = "Token doesn't exist. Need to authorize"
		return HttpResponseRedirect("/rowers/me/sporttracksauthorize/")
	message = "Something went wrong in workout_sporttracksimport_view"
	if settings.DEBUG:
	    return HttpResponse(res)
	else:
	    url = reverse(workouts_view,
			  kwargs = {
			      'message': str(message)
			      })
	    return HttpResponseRedirect(url)
    else:
	workouts = []
	for item in res.json()['items']:
	    d = int(float(item['total_distance']))
	    i = getidfromsturi(item['uri'])
	    n = item['name']
	    ttot = str(datetime.timedelta(seconds=int(float(item['duration']))))
	    s = item['start_time']
	    r = item['type']
	    keys = ['id','distance','duration','starttime','type','name']
	    values = [i,d,ttot,s,r,n]
	    res = dict(zip(keys,values))
	    workouts.append(res)
	return render(request,'sporttracks_list_import.html',
		      {'workouts':workouts,
		       'message':message,
		       })

    return HttpResponse(res)
	
# List of workouts on Concept2 logbook. This view only used for debugging
@login_required()
def c2listdebug_view(request,message=""):
    try:
	thetoken = c2_open(request.user)
    except C2NoTokenError:
	return HttpResponseRedirect("/rowers/me/c2authorize/")

    r = Rower.objects.get(user=request.user)

    res = c2stuff.get_c2_workout_list(request.user)

    if (res.status_code != 200):
	message = "Something went wrong in workout_c2import_view (C2 token renewal)"
	if settings.DEBUG:
	    return HttpResponse(res)
	else:
	    url = reverse(workouts_view,
			  kwargs = {
			      'message': str(message)
			      })
	    return HttpResponseRedirect(url)
    else:
	workouts = []
	for item in res.json()['data']:
	    d = item['distance']
	    i = item['id']
	    ttot = item['time_formatted']
	    s = item['date']
	    r = item['type']
	    s2 = item['source']
	    c = item['comments']
	    keys = ['id','distance','duration','starttime','rowtype','source','comment']
	    values = [i,d,ttot,s,r,s2,c]
	    res = dict(zip(keys,values))
	    workouts.append(res)

	    
	return render(request,
		      'c2_list_import2.html',
		      {'workouts':workouts,
		      'message':message})
		      
# List of workouts available on Concept2 logbook - for import
@login_required()
def workout_c2import_view(request,message=""):
    try:
	thetoken = c2_open(request.user)
    except C2NoTokenError:
	return HttpResponseRedirect("/rowers/me/c2authorize/")

    res = c2stuff.get_c2_workout_list(request.user)

    if (res.status_code != 200):
	message = "Something went wrong in workout_c2import_view (C2 token refresh)"
	if settings.DEBUG:
	    return HttpResponse(res)
	else:
	    url = reverse(workouts_view,
			  kwargs = {
			      'message': str(message)
			      })
	    return HttpResponseRedirect(url)
    else:
	workouts = []
	for item in res.json()['data']:
	    d = item['distance']
	    i = item['id']
	    ttot = item['time_formatted']
	    s = item['date']
	    r = item['type']
	    s2 = item['source']
	    c = item['comments']
	    keys = ['id','distance','duration','starttime','rowtype','source','comment']
	    values = [i,d,ttot,s,r,s2,c]
	    res = dict(zip(keys,values))
	    workouts.append(res)

	    
	return render(request,
		      'c2_list_import2.html',
		      {'workouts':workouts,
		      'message':message})

# Import a workout from Strava
@login_required()
def workout_getstravaworkout_view(request,stravaid):
    res = stravastuff.get_strava_workout(request.user,stravaid)
    if not res[0]:
        message = "Something went wrong in Strava import"
        return imports_view(request,message=message)
        
    strokedata = res[1]
    data = res[0]
    id,message = add_workout_from_strokedata(request.user,stravaid,data,strokedata,
				     source='strava')
    try:
        w = Workout.objects.get(id=id)
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    w.uploadedtostrava=stravaid
    w.save()
    if message:
        url = reverse(workout_edit_view,
                      kwargs = {
                          'message':message,
                          'id':id,
                          })
    else:
        url = reverse(workout_edit_view,
                      kwargs = {
                          'id':id,
                          })
        
    return HttpResponseRedirect(url)

# Imports a workout from SportTracks
@login_required()
def workout_getsporttracksworkout_view(request,sporttracksid):
    res = sporttracksstuff.get_sporttracks_workout(request.user,sporttracksid)
    data = res.json()

    id,message = add_workout_from_stdata(request.user,sporttracksid,data)
    w = Workout.objects.get(id=id)
    w.uploadedtosporttracks=sporttracksid
    w.save()
    if message:
        url = reverse(workout_edit_view,
                      kwargs = {
                          'id':id,
                          'message':message,
                          })
    else:
        url = reverse(workout_edit_view,
                      kwargs = {
                          'id':id,
                          })
    return HttpResponseRedirect(url)

# Imports a workout from Concept2 
@login_required()
def workout_getc2workout_view(request,c2id):
    try:
	thetoken = c2_open(request.user)
    except C2NoTokenError:
	return HttpResponseRedirect("/rowers/me/c2authorize/")

    res = c2stuff.get_c2_workout(request.user,c2id)
    if (res.status_code == 200):
	data = res.json()['data']
        splitdata = None
        if 'workout' in data:
            if 'splits' in data['workout']:
                splitdata = data['workout']['splits']
            if 'intervals' in data['workout']:
                splitdata = data['workout']['intervals']

        # Check if workout has stroke data, and get the stroke data
        if data['stroke_data']:
	    res2 = c2stuff.get_c2_workout_strokes(request.user,c2id)
        else:
            message = "This workout does not have any stroke data associated with it"
            url = reverse(workout_c2import_view,
			  kwargs={
			      'message':message,
			  })
	    return HttpResponseRedirect(url)

        # We have stroke data
	if res2.status_code == 200:
	    strokedata = pd.DataFrame.from_dict(res2.json()['data'])
            # create the workout
	    id,message = add_workout_from_strokedata(request.user,c2id,data,strokedata,
					     source='c2')
	    w = Workout.objects.get(id=id)
	    w.uploadedtoc2=c2id
            # If we have split data, update the stroke data so they
            # match exactly (some users are anal about this)
            if splitdata:
                try:
                    w.summary,sa,results = c2stuff.summaryfromsplitdata(splitdata,data,w.csvfilename)
                except:
                    sa = []
                    results = []
                    with open("media/c2splitdata.log","a") as errorlog:
                        errorstring = str(sys.exc_info()[0])
                        timestr = strftime("%Y%m%d-%H%M%S")
                        errorlog.write(timestr+errorstring+"\r\n")
                        errorlog.write("views.py line 952\r\n")

                w.save()

                from rowingdata.trainingparser import getlist
                # set stroke data in CSV file
                if sa:
                    values = getlist(sa)
                    units = getlist(sa,sel='unit')
                    types = getlist(sa,sel='type')

                    rowdata = rdata(w.csvfilename)
                    if rowdata:
                        rowdata.updateintervaldata(values,
                                                   units,types,results)

                        rowdata.write_csv(w.csvfilename,gzip=True)
                        dataprep.update_strokedata(w.id,rowdata.df)

            if message:
                url = reverse(workout_edit_view,
                              kwargs = {
                                  'message':message,
                                  'id':id,
                              })
            else:
                url = reverse(workout_edit_view,
                              kwargs = {
                                  'id':id,
                              })

	    return HttpResponseRedirect(url)
	else:
	    # message = json.loads(s.text)['message']
            message = json.loads(res2.text)['message']
	    url = reverse(workout_c2import_view,
			  kwargs={
			      'message':message,
			  })
	    return HttpResponseRedirect(url)

	url = reverse(workout_c2import_view,
		      kwargs={
			  'message':message,
		      })
	return HttpResponseRedirect(url)

    else:
	message = "Received error code from Concept2"
	if settings.DEBUG:
	    return HttpResponse(res)
	else:
	    url = reverse(workout_c2import_view,
			  kwargs={
			      'message':message,
			      })
	    return HttpResponseRedirect(url)

# This is the main view for processing uploaded files
@login_required()
def workout_upload_view(request,message="",
                        uploadoptions={
                            'makeprivate':False,
                            'make_plot':False,
                            'upload_to_C2':False,
                            'plottype':'timeplot',
                        }):

    if 'uploadoptions' in request.session:
        uploadoptions = request.session['uploadoptions']
    else:
        request.session['uploadoptions'] = uploadoptions


        
    makeprivate = uploadoptions['makeprivate']
    make_plot = uploadoptions['make_plot']
    plottype = uploadoptions['plottype']
    upload_toc2 = uploadoptions['upload_to_C2']

    r = Rower.objects.get(user=request.user)
    if request.method == 'POST':
	form = DocumentsForm(request.POST,request.FILES)
	optionsform = UploadOptionsForm(request.POST)
	if form.is_valid():
	    f = request.FILES['file']
	    res = handle_uploaded_file(f)
	    t = form.cleaned_data['title']
	    workouttype = form.cleaned_data['workouttype']

	    notes = form.cleaned_data['notes']

            if optionsform.is_valid():
	        make_plot = optionsform.cleaned_data['make_plot']
	        plottype = optionsform.cleaned_data['plottype']
	        upload_to_c2 = optionsform.cleaned_data['upload_to_C2']
                makeprivate = optionsform.cleaned_data['makeprivate']

                uploadoptions = {
                    'makeprivate':makeprivate,
                    'make_plot':make_plot,
                    'plottype':plottype,
                    'upload_to_C2':upload_to_c2,
                }


            request.session['uploadoptions'] = uploadoptions

	    f1 = res[0] # file name
	    f2 = res[1] # file name incl media directory


            id,message,f2 = dataprep.new_workout_from_file(r,f2,
                                                         workouttype=workouttype,
                                                        makeprivate=makeprivate,
                                                         title = t,
                                                         notes='')
            if not id:
		url = reverse(workout_upload_view,
			      args=[str(message)])
		response = HttpResponseRedirect(url)
                return response

            else:
                if message:
                    url = reverse(workout_edit_view,
                                  kwargs = {
                                      'id':id,
                                      'message':message,
                                  })
                else:
                    url = reverse(workout_edit_view,
                                  kwargs = {
                                      'id':id,
                                      })
                    
                response = HttpResponseRedirect(url)
                w = Workout.objects.get(id=id)

	    if (make_plot):        
		imagename = f1[:-4]+'.png'
		fullpathimagename = 'static/plots/'+imagename
		u = request.user
		r = Rower.objects.get(user=request.user)
	        powerperc = 100*np.array([r.pw_ut2,
                                          r.pw_ut1,
                                          r.pw_at,
                                          r.pw_tr,r.pw_an])/r.ftp

	        hrpwrdata = {
	            'hrmax':r.max,
	            'hrut2':r.ut2,
	            'hrut1':r.ut1,
	            'hrat':r.at,
	            'hrtr':r.tr,
	            'hran':r.an,
	            'ftp':r.ftp,
                    'powerperc':serialize_list(powerperc),
                    'powerzones':serialize_list(r.powerzones),
	        }

		# make plot - asynchronous task
		plotnrs = {
		    'timeplot':1,
		    'distanceplot':2,
		    'pieplot':3,
		}

		plotnr = plotnrs[plottype]
		if (workouttype=='water'):
		    plotnr = plotnr+3

		    
		if settings.DEBUG:	    
		    res = handle_makeplot.delay(f1,f2,t,
						hrpwrdata,plotnr,
						imagename)
		else:
		    res = queue.enqueue(handle_makeplot,f1,f2,
					t,hrpwrdata,
					plotnr,imagename)

		    
		i = GraphImage(workout=w,
			       creationdatetime=timezone.now(),
			       filename=fullpathimagename)
		i.save()

		# upload to C2
		if (upload_to_c2):
		    try:
			thetoken = c2_open(request.user)
		    except C2NoTokenError:
			return HttpResponseRedirect("/rowers/me/c2authorize/")
		    try:
			c2userid = c2stuff.get_userid(thetoken)
			data = c2stuff.createc2workoutdata(w)
			authorizationstring = str('Bearer ' + thetoken)
			headers = {'Authorization': authorizationstring,
				   'user-agent': 'sanderroosendaal',
				   'Content-Type': 'application/json'}
			import urllib
			url = "httpvs://log.concept2.com/api/users/%s/results" % (c2userid)
			response = requests.post(url,headers=headers,data=json.dumps(data))

			# response = c2stuff.workout_c2_upload(request.user,w)
			if (response.status_code != 201):
			    if settings.DEBUG:
				return HttpResponse(response)
			    else:
				message = "C2 upload failed"
				url = reverse(workout_edit_view,
					      kwargs={
						  'message':message,
						  'id':str(w.id),
						  })
				return HttpResponseRedirect(url)
			else:
			    s= json.loads(response.text)
			    c2id = s['data']['id']
			    w.uploadedtoc2 = c2id
			    w.save()
                    except:
		        message = "C2 upload failed"
		        url = reverse(workout_edit_view,
			              kwargs={
					  'message':message,
					  'id':str(w.id),
				      })
			return HttpResponseRedirect(url)


                if message:
	            url = reverse(workout_edit_view,
                                  kwargs={
                                      'message':message,
                                      'id':w.id,
                                  })

                else:
                    url = reverse(workout_edit_view,
                                  kwargs = {
                                      'id':w.id,
                                      })
                return HttpResponseRedirect(url)
	else:
	   response = render(request,
			     'document_form.html',
			     {'form':form,
			      'optionsform': optionsform,
			      'message':message})

	return response
    else:
	form = DocumentsForm()
	optionsform = UploadOptionsForm(initial=uploadoptions)
	return render(request, 'document_form.html',
		      {'form':form, 
		       'optionsform': optionsform,
		       'message':message})



# Ask the user if he really wants to delete the workout
@login_required()
def workout_delete_confirm_view(request, id=0):
    try:
	row = Workout.objects.get(id=id)
	if (checkworkoutuser(request.user,row)==False):
	    raise PermissionDenied("You are not allowed to delete this workout")
	else:
	    return render(request,'workout_delete_confirm.html',
			  {'id':id,
			   'workout':row})
		
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

# Really deleting the workout
@login_required()
def workout_delete_view(request,id=0):
    try:
	row = Workout.objects.get(id=id)
	if (checkworkoutuser(request.user,row)==False):
	    raise PermissionDenied("You are not allowed to delete this workout")
	else:
	    # files are removed by pre-delete in models.py
	    row.delete()

	url = reverse(workouts_view,kwargs={
	    'successmessage': "Workout deleted",
	    }
		      )
	return HttpResponseRedirect(url)
		
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

# Ask the user to confirm that he wants to delete a chart
@login_required()
def graph_delete_confirm_view(request, id=0):
    try:
	img = GraphImage.objects.get(id=id)
	row = Workout.objects.get(id=img.workout.id)
	if (checkworkoutuser(request.user,row)==False):
	    raise PermissionDenied("You are not allowed to delete this workout")
	else:
	    return render(request,'graphimage_delete_confirm.html',
			  {'id':id,
			   'graph':img})
		
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")
    except GraphImage.DoesNotExist:
        raise Http404("The image doesn't exist")

# Really deleting the chart
@login_required()
def graph_delete_view(request,id=0):
    try:
	img = GraphImage.objects.get(id=id)
	row = Workout.objects.get(id=img.workout.id)
	if (checkworkoutuser(request.user,row)==False):
	    raise PermissionDenied("You are not allowed to delete this graph")
	else:
	    img.delete()

	    url = reverse(workouts_view,kwargs={
		'successmessage': "Graph deleted",
		}
			  
			  )
	    return HttpResponseRedirect(url)

    except GraphImage.DoesNotExist:
	raise Http404("Graph Image doesn't exist")
    except Workout.DoesNotExist:
        raise Http404("Workout doesn't exist")

# A page with all the recent graphs (searchable on workout name)
@login_required()
def graphs_view(request):
    try:
	r = Rower.objects.get(user=request.user)
	workouts = Workout.objects.filter(user=r).order_by("-date", "-starttime")
        query = request.GET.get('q')
        if query:
            query_list = query.split()
            workouts = workouts.filter(
                reduce(operator.and_,
                       (Q(name__icontains=q) for q in query_list)) |
                reduce(operator.and_,
                       (Q(notes__icontains=q) for q in query_list))
                )

	g = GraphImage.objects.filter(workout__in=workouts).order_by("-creationdatetime")
	if (len(g)<=5):
	    return render(request, 'list_graphs.html',
			  {'graphs1': g[0:4]})
	else:
	    return render(request, 'list_graphs.html',
			  {'graphs1': g[0:5],
			   'graphs2': g[5:10]})
    except Rower.DoesNotExist:
	raise Http404("User has no rower instance")

# Show the chart (png image)
def graph_show_view(request,id):
    try:
	g = GraphImage.objects.get(id=id)
	w = Workout.objects.get(id=g.workout.id)
	r = Rower.objects.get(id=w.user.id)

	return render(request,'show_graph.html',
		      {'graph':g,
		       'workout':w,
		       'rower':r,})
			 
    except GraphImage.DoesNotExist:
	raise Http404("This graph doesn't exist")
    except Workout.DoesNotExist:
        raise Http404("This workout doesn't exist")

# Restore original stroke data and summary
@login_required()
def workout_summary_restore_view(request,id,message="",successmessage=""):
    try:
	row = Workout.objects.get(id=id)
	if (checkworkoutuser(request.user,row)==False):
	    raise PermissionDenied("You are not allowed to edit this workout")
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    s = ""
    # still here - this is a workout we may edit
    f1 = row.csvfilename
    u = request.user
    r = Rower.objects.get(user=u)
    powerperc = 100*np.array([r.pw_ut2,
                              r.pw_ut1,
                              r.pw_at,
                              r.pw_tr,r.pw_an])/r.ftp

    rr = rrower(hrmax=r.max,hrut2=r.ut2,
		hrut1=r.ut1,hrat=r.at,
		hrtr=r.tr,hran=r.an,ftp=r.ftp,
                powerperc=powerperc,powerzones=r.powerzones)
    rowdata = rdata(f1,rower=rr)
    if rowdata == 0:
	raise Http404("Error: CSV Data File Not Found")
    rowdata.restoreintervaldata()
    rowdata.write_csv(f1,gzip=True)
    dataprep.update_strokedata(id,rowdata.df)
    intervalstats = rowdata.allstats()
    row.summary = intervalstats
    row.save()
    itime,idist,itype = rowdata.intervalstats_values()
    nrintervals = len(idist)

    # create interactive plot
    try:
	res = interactive_chart(id,promember=1)
	script = res[0]
	div = res[1]
    except ValueError:
	pass
    

    url = reverse(workout_summary_edit_view,kwargs={
	'id':id,
	'successmessage': "Original Interval Data Restored",
	}
			  
			  )
    return HttpResponseRedirect(url)


# Edit the splits/summary
@login_required()
def workout_summary_edit_view(request,id,message="",successmessage=""
			      ):
    try:
	row = Workout.objects.get(id=id)
	if (checkworkoutuser(request.user,row)==False):
	    raise PermissionDenied("You are not allowed to edit this workout")
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")

    s = ""
    # still here - this is a workout we may edit
    f1 = row.csvfilename
    u = request.user
    r = Rower.objects.get(user=u)
    powerperc = 100*np.array([r.pw_ut2,
                              r.pw_ut1,
                              r.pw_at,
                              r.pw_tr,r.pw_an])/r.ftp

    rr = rrower(hrmax=r.max,hrut2=r.ut2,
		hrut1=r.ut1,hrat=r.at,
		hrtr=r.tr,hran=r.an,ftp=r.ftp,
                powerperc=powerperc,powerzones=r.powerzones)
    rowdata = rdata(f1,rower=rr)
    if rowdata == 0:
	return HttpResponse("Error: CSV Data File Not Found")
    intervalstats = rowdata.allstats()
    itime,idist,itype = rowdata.intervalstats_values()
    nrintervals = len(idist)

    # create interactive plot
    try:
	res = interactive_chart(id,promember=1)
	script = res[0]
	div = res[1]
    except ValueError:
	pass
    
    savebutton = 'nosavebutton'

    # We have submitted the mini language interpreter
    if request.method == 'POST' and "intervalstring" in request.POST:
	form = SummaryStringForm(request.POST)
	if form.is_valid():
	    cd = form.cleaned_data
	    s = cd["intervalstring"]
	    rowdata.updateinterval_string(s)
	    intervalstats = rowdata.allstats()
	    itime,idist,itype = rowdata.intervalstats_values()
	    nrintervals = len(idist)
	    savebutton = 'savestringform'
	    
    # we are saving the results obtained from the mini language interpreter
    elif request.method == 'POST' and "savestringform" in request.POST:
	s = request.POST["savestringform"]
	rowdata.updateinterval_string(s)
	intervalstats = rowdata.allstats()
	itime,idist,itype = rowdata.intervalstats_values()
	nrintervals = len(idist)
	row.summary = intervalstats
	#intervalstats = rowdata.allstats()
        if s:
            try:
	        row.notes += u'{n} \n {s}'.format(
                    n = row.notes,
                    s = s
                )
            except TypeError:
                pass
            
	row.save()
	rowdata.write_csv(f1,gzip=True)
        dataprep.update_strokedata(id,rowdata.df)
	data = {'intervalstring':s}
	form = SummaryStringForm(initial=data)
	savebutton = 'savestringform'

    # we are saving the results obtained from the detailed form
    elif request.method == 'POST' and "savedetailform" in request.POST:
	savebutton = 'savedetailform'
	form = SummaryStringForm()
	nrintervals = int(request.POST['nrintervals'])
	detailform = IntervalUpdateForm(request.POST,aantal=nrintervals)
	itime = []
	idist = []
	itype = []
	ivalues = []
	iunits = []
	itypes = []
	iresults = []
	for i in range(nrintervals):
	    try:
		t = datetime.datetime.strptime(request.POST['intervalt_%s' % i],"%H:%M:%S.%f")
	    except ValueError:
		t = datetime.datetime.strptime(request.POST['intervalt_%s' % i],"%H:%M:%S")
		
	    timesecs = 3600*t.hour+60*t.minute+t.second+t.microsecond/1.e6
	    itime += [timesecs]
	    idist += [int(request.POST['intervald_%s' % i])]
	    itype += [int(request.POST['type_%s' % i])]

	    if itype[i] == 3: # rest
		itypes += ['rest']
		ivalues += [timesecs]
		iresults += [idist[i]]
		iunits += ['seconds']
	    if itype[i] == 5 or itype[i] == 2:  # distance based work
		itypes += ['work']
		ivalues += [idist[i]]
		iresults += [timesecs]
		iunits += ['meters']
	    if itype[i] == 4 or itype[i] == 1:  # time based work
		itypes += ['work']
		ivalues += [timesecs]
		iresults += [idist[i]]
		iunits += ['seconds']


	rowdata.updateintervaldata(ivalues,iunits,itypes,iresults=iresults)
	intervalstats = rowdata.allstats()
	row.summary = intervalstats
	row.notes += "\n"+s
	row.save()
	rowdata.write_csv(f1,gzip=True)
        dataprep.update_strokedata(id,rowdata.df)
	    

	form = SummaryStringForm()

    # we are processing the details form
    elif request.method == 'POST' and "nrintervals" in request.POST:
	savebutton = 'savedetailform'
	nrintervals = int(request.POST['nrintervals'])
	detailform = IntervalUpdateForm(request.POST,aantal=nrintervals)
	if detailform.is_valid():
	    cd = detailform.cleaned_data
	    itime = []
	    idist = []
	    itype = []
	    ivalues = []
	    iunits = []
	    itypes = []
	    iresults = []
	    for i in range(nrintervals):
		t = cd['intervalt_%s' % i]
		timesecs = t.total_seconds()
		itime += [timesecs]
		idist += [cd['intervald_%s' % i]]
		itype += [cd['type_%s' % i]]

		if itype[i] == '3': # rest
		    itypes += ['rest']
		    ivalues += [timesecs]
		    iresults += [idist[i]]
		    iunits += ['seconds']
		if itype[i] == '5' or itype[i] == '2':  # distance based work
		    itypes += ['work']
		    ivalues += [idist[i]]
		    iresults += [timesecs]
		    iunits += ['meters']
		if itype[i] == '4' or itype[i] == '1':  # time based work
		    itypes += ['work']
		    ivalues += [timesecs]
		    iresults += [idist[i]]
		    iunits += ['seconds']

	    rowdata.updateintervaldata(ivalues,iunits,
				       itypes,iresults=iresults)
	    intervalstats = rowdata.allstats()


	form = SummaryStringForm()
	
    else:
	form = SummaryStringForm()

    initial = {}
    for i in range(nrintervals):
	initial['intervald_%s' % i] = idist[i]
	initial['intervalt_%s' % i] = get_time(itime[i])
	initial['type_%s' % i] = itype[i]


    detailform = IntervalUpdateForm(aantal=nrintervals,initial=initial)

    # render page
    return render(request, 'summary_edit.html',
		  {'form':form,
		   'detailform':detailform,
		   'workout':row,
		   'intervalstats':intervalstats,
		   'nrintervals':nrintervals,
		   'message': message,
		   'successmessage': successmessage,
		   'interactiveplot':script,
		   'the_div':div,
		   'intervalstring':s,
		   'savebutton':savebutton,
		   })

# Page where user can manage his favorite charts
@user_passes_test(ispromember,login_url="/rowers/me/edit",redirect_field_name=None)
def rower_favoritecharts_view(request):
    message = ''
    successmessage = ''
    r = Rower.objects.get(user=request.user)
    favorites = FavoriteChart.objects.filter(user=r).order_by('id')
    aantal = len(favorites)
    favorites_data = [{'yparam1':f.yparam1,
                       'yparam2':f.yparam2,
                       'xparam':f.xparam,
                       'plottype':f.plottype,
                       'workouttype':f.workouttype,
                       'reststrokes':f.reststrokes}
                       for f in favorites]
    FavoriteChartFormSet = formset_factory(FavoriteForm,formset=BaseFavoriteFormSet,extra=0)
    if aantal==0:
        FavoriteChartFormSet = formset_factory(FavoriteForm,formset=BaseFavoriteFormSet,extra=1)
        

    if request.method == 'POST':
        favorites_formset = FavoriteChartFormSet(request.POST)

        if favorites_formset.is_valid():
            new_instances = []
            for favorites_form in favorites_formset:
                yparam1 = favorites_form.cleaned_data.get('yparam1')
                yparam2 = favorites_form.cleaned_data.get('yparam2')
                xparam = favorites_form.cleaned_data.get('xparam')
                plottype = favorites_form.cleaned_data.get('plottype')
                workouttype = favorites_form.cleaned_data.get('workouttype')
                reststrokes = favorites_form.cleaned_data.get('reststrokes')
                new_instances.append(FavoriteChart(user=r,
                                                   yparam1=yparam1,
                                                   yparam2=yparam2,
                                                   xparam=xparam,
                                                   plottype=plottype,
                                                   workouttype=workouttype,
                                                   reststrokes=reststrokes))
            try:
                with transaction.atomic():
                    FavoriteChart.objects.filter(user=r).delete()
                    FavoriteChart.objects.bulk_create(new_instances)
                    successmessage = "You have updated your favorites"
                    if len(new_instances)==0:
                        FavoriteChartFormSet=formset_factory(FavoriteForm,formset=BaseFavoriteFormSet,extra=1)
                        favorites_formset = FavoriteChartFormSet()
            except IntegrityError:
                message = "something went wrong"

    else:
        favorites_formset = FavoriteChartFormSet(initial=favorites_data)
                

    context = {
        'favorites_formset':favorites_formset,
        'message':message,
        'successmessage':successmessage,
        }

    
    
    return render(request,'favoritecharts.html',context)

# Page where user can set his details
# Add email address to form so user can change his email address
@login_required()
def rower_edit_view(request,message=""):
    r = Rower.objects.get(user=request.user)
    if request.method == 'POST' and "ut2" in request.POST:
	form = RowerForm(request.POST)
	if form.is_valid():
	    # something
	    cd = form.cleaned_data
	    hrmax = cd['max']
	    ut2 = cd['ut2']
	    ut1 = cd['ut1']
	    at = cd['at']
	    tr = cd['tr']
	    an = cd['an']
	    rest = cd['rest']
	    try:
		r = Rower.objects.get(user=request.user)
		r.max = max(min(hrmax,250),10)
		r.ut2 = max(min(ut2,250),10)
		r.ut1 = max(min(ut1,250),10)
		r.at = max(min(at,250),10)
		r.tr = max(min(tr,250),10)
		r.an = max(min(an,250),10)
		r.rest = max(min(rest,250),10)
		r.save()
                successmessage = "Your Heart Rate data were changed"
	        form = RowerForm(instance=r)
	        powerform = RowerPowerForm(instance=r)
                powerzonesform = RowerPowerZonesForm(instance=r)
                accountform = AccountRowerForm(instance=r)
                userform = UserForm(instance=request.user)
                return render(request, 'rower_form.html',
			  {'form':form,
                           'powerzonesform':powerzonesform,
                           'powerform':powerform,
                           'rower':r,
                           'accountform':accountform,
                           'userform':userform,
                           'successmessage':successmessage,
                          })
	    except Rower.DoesNotExist:
		message = "Funny. This user doesn't exist."
		url = reverse(workouts_view,args=[str(message)])
		response = HttpResponseRedirect(url)
	else:
	    message = HttpResponse("invalid form")
	    #form = RowerForm(instance=r)
	    powerform = RowerPowerForm(instance=r)
            powerzonesform = RowerPowerZonesForm(instance=r)
            userform = UserForm(instance=request.user)
            accountform = AccountRowerForm(instance=r)
	    return render(request, 'rower_form.html',
			  {'form':form,
                           'powerzonesform':powerzonesform,
                           'userform':userform,
                           'accountform':accountform,
                           'powerform':powerform,
                           'rower':r,
                          })
	    # url = reverse(rower_edit_view,args=[str(message)])
	    # response = HttpResponseRedirect(url)
			  

	return response
    elif request.method == 'POST' and "ftp" in request.POST:
	powerform = RowerPowerForm(request.POST)
	if powerform.is_valid():
	    cd = powerform.cleaned_data
	    ftp = cd['ftp']
	    try:
		r = Rower.objects.get(user=request.user)
                powerfrac = 100*np.array([r.pw_ut2,
                                          r.pw_ut1,
                                          r.pw_at,
                                          r.pw_tr,r.pw_an])/r.ftp
		r.ftp = max(min(ftp,650),50)
                ut2,ut1,at,tr,an = (r.ftp*powerfrac/100.).astype(int)
                r.pw_ut2 = ut2
                r.pw_ut1 = ut1
                r.pw_at = at
                r.pw_tr = tr
                r.pw_an = an
		r.save()
		message = "Functional Threshold Value Changed"
		url = reverse(rower_edit_view,args=[str(message)])
		response = HttpResponseRedirect(url)
	    except Rower.DoesNotExist:
		message = "Funny. This user doesn't exist."
		url = reverse(rower_edit_view,args=[str(message)])
		response = HttpResponseRedirect(url)	    
	else:
	    message = HttpResponse("invalid form")
	    form = RowerForm(instance=r)
	    #powerform = RowerPowerForm(instance=r)
            powerzonesform = RowerPowerZonesForm(instance=r)
            userform = UserForm(instance=request.user)
            accountform = AccountRowerForm(instance=r)
	    return render(request, 'rower_form.html',
			  {'form':form,
			   'powerform':powerform,
                           'rower':r,
                           'userform':userform,
                           'accountform':accountform,
			   })
			  
	    
	return response
    elif request.method == 'POST' and "ut3name" in request.POST:
	powerzonesform = RowerPowerZonesForm(request.POST)
	if powerzonesform.is_valid():
	    cd = powerzonesform.cleaned_data
            pw_ut2 = cd['pw_ut2']
            pw_ut1 = cd['pw_ut1']
            pw_at = cd['pw_at']
            pw_tr = cd['pw_tr']
            pw_an = cd['pw_an']
            ut3name = cd['ut3name']
            ut2name = cd['ut2name']
            ut1name = cd['ut1name']
            atname = cd['atname']
            trname = cd['trname']
            anname = cd['anname']
            powerzones = [ut3name,ut2name,ut1name,atname,trname,anname]
            try:
                r = Rower.objects.get(user=request.user)
                r.pw_ut2 = pw_ut2
                r.pw_ut1 = pw_ut1
                r.pw_at = pw_at
                r.pw_tr = pw_tr
                r.pw_an = pw_an
                r.powerzones = powerzones
                r.save()
                successmessage = "Your Power Zone data were changed"
	        form = RowerForm(instance=r)
                accountform = AccountRowerForm(instance=r)
                userform = UserForm(instance=request.user)
	        powerform = RowerPowerForm(instance=r)
                powerzonesform = RowerPowerZonesForm(instance=r)
                return render(request, 'rower_form.html',
			  {'form':form,
                           'powerzonesform':powerzonesform,
                           'powerform':powerform,
                           'userform':userform,
                           'accountform':accountform,
                           'rower':r,
                           'successmessage':successmessage,
                          })
            except Rower.DoesNotExist:
		message = "Funny. This user doesn't exist."
		url = reverse(workouts_view,args=[str(message)])
		response = HttpResponseRedirect(url)
            return response
        else:
	    form = RowerForm(instance=r)
	    powerform = RowerPowerForm(instance=r)
            accountform = AccountRowerForm(instance=r)
            userform = UserForm(instance=request.user)
            #powerzonesform = RowerPowerZonesForm(instance=r)
	    message = HttpResponse("invalid form")
	    return render(request, 'rower_form.html',
		          {'form':form,
		           'powerform':powerform,
                           'powerzonesform':powerzonesform,
                           'accountform':accountform,
                           'userform':userform,
                           'rower':r,
		          })
    elif request.method == 'POST' and "weightcategory" in request.POST:
        accountform = AccountRowerForm(request.POST)
        userform = UserForm(request.POST)
        if accountform.is_valid() and userform.is_valid():
            # process
            cd = accountform.cleaned_data
            ucd = userform.cleaned_data
            first_name = ucd['first_name']
            last_name = ucd['last_name']
            email = ucd['email']
            weightcategory = cd['weightcategory']
            u = request.user
            if len(first_name):
                u.first_name = first_name
            u.last_name = last_name
            if len(email):
                u.email = email
            u.save()
            r = Rower.objects.get(user=u)
            r.weightcategory = weightcategory
            r.save()
            form = RowerForm(instance=r)
	    powerform = RowerPowerForm(instance=r)
            powerzonesform = RowerPowerZonesForm(instance=r)
            accountform = AccountRowerForm(instance=r)
            userform = UserForm(instance=u)
            successmessage = 'Account Information changed'
            return render(request, 'rower_form.html',
			  {'form':form,
                           'powerzonesform':powerzonesform,
                           'powerform':powerform,
                           'accountform':accountform,
                           'userform':userform,
                           'rower':r,
                           'successmessage':successmessage,
                          })
        else:
            form = RowerForm(instance=r)
	    powerform = RowerPowerForm(instance=r)
            powerzonesform = RowerPowerZonesForm(instance=r)
            return render(request, 'rower_form.html',
			  {'form':form,
                           'powerzonesform':powerzonesform,
                           'powerform':powerform,
                           'accountform':accountform,
                           'userform':userform,
                           'rower':r,
                          })
        
	    
    else:
	try:
	    r = Rower.objects.get(user=request.user)
            
	    form = RowerForm(instance=r)
	    powerform = RowerPowerForm(instance=r)
            powerzonesform = RowerPowerZonesForm(instance=r)
            accountform = AccountRowerForm(instance=r)
            userform = UserForm(instance=request.user)
            grants = AccessToken.objects.filter(user=request.user)
	    return render(request, 'rower_form.html',
			  {
			      'form':form,
			      'powerform':powerform,
                              'powerzonesform':powerzonesform,
                              'userform':userform,
                              'accountform':accountform,
                              'grants':grants,
                              'rower':r,
			      })
	except Rower.DoesNotExist:
	    raise Http404("This user doesn't exist")

# Revoke an app that you granted access through the API.
# this views is called when you press a button on the User edit page
# the button is only there when you have granted access to an app
@login_required()
def rower_revokeapp_view(request,id=0):
    try:
        tokens = AccessToken.objects.filter(user=request.user,application=id)
        refreshtokens = AccessToken.objects.filter(user=request.user,application=id)
        for token in tokens:
            token.revoke()
        for token in refreshtokens:
            token.revoke()

        r = Rower.objects.get(user=request.user)
        form = RowerForm(instance=r)
        powerform = RowerPowerForm(instance=r)
        grants = AccessToken.objects.filter(user=request.user)
        return render(request, 'rower_form.html',
		      {
		          'form':form,
		          'powerform':powerform,
                          'grants':grants,
                      })
    except AccessToken.DoesNotExist:
        raise Http404("Access token doesn't exist")


# Utility to get stroke data in a JSON response
class JSONResponse(HttpResponse):
    def __init__(self, data, **kwargs):
        content = JSONRenderer().render(data)
        kwargs['content_type'] = 'application/json'
        super(JSONResponse, self).__init__(content, **kwargs)

# Creates unix time stamp from a datetime object
def totimestamp(dt, epoch=datetime.datetime(1970,1,1,tzinfo=tz('UTC'))):
    td = dt - epoch
    # return td.total_seconds()
    return (td.microseconds + (td.seconds + td.days * 86400) * 10**6) / 10**6
# Check if a column of a dataframe has the required (aantal)
# number of elements. Also checks if the column is a numerical type
# Replaces any faulty columns with zeros
def trydf(df,aantal,column):
    try:
        s = df[column]
        if len(s) != aantal:
            return np.zeros(aantal)
        if not np.issubdtype(s,np.number):
            return np.zeros(aantal)
    except KeyError:
        s = np.zeros(aantal)

    return s

# Stroke data form to test API upload
@login_required()
def strokedataform(request,id=0):
    if request.method == 'GET':
        form = StrokeDataForm()
        return render(request, 'strokedata_form.html',
		      {
		          'form':form,
                          'id':id,
		      })
    elif request.method == 'POST':
        form = StrokeDataForm()

    return render(request, 'strokedata_form.html',
		  {
		      'form':form,
                      'id':id,
		  })

# Process the POSTed stroke data according to the API definition
# Return the GET stroke data according to the API definition
from rest_framework_swagger.renderers import OpenAPIRenderer, SwaggerUIRenderer
from django.views.decorators.csrf import csrf_exempt
@csrf_exempt
@login_required()
@api_view(['GET','POST'])
def strokedatajson(request,id):
    """
    POST: Add Stroke data to workout
    GET: Get stroke data of workout
    """
    try:
	row = Workout.objects.get(id=id)
	if (checkworkoutuser(request.user,row)==False):
	    return HttpResponseForbidden("Permission error")
    except Workout.DoesNotExist:
	raise Http404("Workout doesn't exist")
    try:
        id = int(id)
    except ValueError:
        return HttpResponse("Not a valid workout number",status=400)


    if request.method == 'GET':
        # currently only returns a subset. 
        columns = ['spm','time','hr','pace','power','distance']
        datadf = dataprep.getsmallrowdata_db(columns,ids=[id])
        return JSONResponse(datadf)

    if request.method == 'POST':
        checkdata,r = dataprep.getrowdata_db(id=row.id)
        if not checkdata.empty:
            return HttpResponse("Duplicate Error",409)
        # strokedata = request.POST['strokedata']
        # checking/validating and cleaning
        try:
            strokedata = json.loads(request.POST['strokedata'])
        except:
            return HttpResponse("No JSON object could be decoded",400)

        df = pd.DataFrame(strokedata)
        df.index = df.index.astype(int)
        df.sort_index(inplace=True)
        # time, hr, pace, spm, power, drivelength, distance, drivespeed, dragfactor, strokerecoverytime, averagedriveforce, peakdriveforce, lapidx
        time = df['time']/1.e3
        aantal = len(time)
        pace = df['pace']/1.e3
        if len(pace) != aantal:
            return HttpResponse("Pace array has incorrect length",status=400)
        distance = df['distance']
        if len(distance) != aantal:
            return HttpResponse("Distance array has incorrect length",status=400)
        
        spm = df['spm']
        if len(spm) != aantal:
            return HttpResponse("SPM array has incorrect length",status=400)

        res = dataprep.testdata(time,distance,pace,spm)
        if not res:
            return HttpResponse("Data are not numerical",status=400)
            
        power = trydf(df,aantal,'power')
        drivelength = trydf(df,aantal,'drivelength')
        drivespeed = trydf(df,aantal,'drivespeed')
        dragfactor = trydf(df,aantal,'dragfactor')
        drivetime = trydf(df,aantal,'drivetime')
        strokerecoverytime = trydf(df,aantal,'strokerecoverytime')
        averagedriveforce = trydf(df,aantal,'averagedriveforce')
        peakdriveforce = trydf(df,aantal,'peakdriveforce')
        lapidx = trydf(df,aantal,'lapidx')
        hr = trydf(df,aantal,'hr')

        starttime = totimestamp(row.startdatetime)+time
        unixtime = starttime+time
            
        data = pd.DataFrame({'TimeStamp (sec)':unixtime,
			     ' Horizontal (meters)': distance,
			     ' Cadence (stokes/min)':spm,
			     ' HRCur (bpm)':hr,
			     ' DragFactor':dragfactor,
			     ' Stroke500mPace (sec/500m)':pace,
			     ' Power (watts)':power,
			     ' DriveLength (meters)':drivelength,
			     ' DriveTime (ms)':drivetime,
			     ' StrokeRecoveryTime (ms)':strokerecoverytime,
			     ' AverageDriveForce (lbs)':averagedriveforce,
			     ' PeakDriveForce (lbs)':peakdriveforce,
			     ' lapIdx':lapidx,
			     ' ElapsedTime (sec)':time,
	})

            
        timestr = row.startdatetime.strftime("%Y%m%d-%H%M%S")
        csvfilename ='media/Import_'+timestr+'.csv'
        
        res =  data.to_csv(csvfilename+'.gz',index_label='index',
                           compression='gzip')
        row.csvfilename = csvfilename
        row.save()

	r = Rower.objects.get(user=request.user)
        powerperc = 100*np.array([r.pw_ut2,
                                  r.pw_ut1,
                                  r.pw_at,
                                  r.pw_tr,r.pw_an])/r.ftp

        rr = rrower(hrmax=r.max,hrut2=r.ut2,
		    hrut1=r.ut1,hrat=r.at,
		    hrtr=r.tr,hran=r.an,ftp=r.ftp,
                    powerperc=powerperc,powerzones=r.powerzones)
        rowdata = rdata(row.csvfilename,rower=rr).df
        
        datadf = dataprep.dataprep(rowdata,id=row.id,bands=True,barchart=True,otwpower=True,empower=True)    
        # mangling

        #
        return HttpResponse(row.id,status=201)

    #Method not supported
    return HttpResponseNotAllowed("Method not supported")


# Teams related views
import teams

@login_required()
def team_view(request,id=0,message='',successmessage=''):
    ismember = 0
    hasrequested = 0
    r = Rower.objects.get(user=request.user)
    myteams = Team.objects.filter(manager=request.user)
    
    try:
        t = Team.objects.get(id=id)
    except Team.DoesNotExist:
        raise Http404("Team doesn't exist")

    
    if request.method == 'POST' and request.user == t.manager:
        inviteform = TeamInviteForm(request.POST)
        inviteform.fields['user'].queryset = User.objects.filter(rower__isnull=False,rower__team__in=myteams).distinct().exclude(rower__team__name=t.name)
        if inviteform.is_valid():
            cd = inviteform.cleaned_data
            newmember = cd['user']
            email = cd['email']
            inviteid,text = teams.create_invite(t,t.manager,
                                                   user=newmember,
                                                   email=email)
            if inviteid:
                teams.send_invite_email(inviteid)
                successmessage = text
            else:
                message = text
                
    elif request.user == t.manager:
        inviteform = TeamInviteForm()
        inviteform.fields['user'].queryset = User.objects.filter(rower__isnull=False,rower__team__in=myteams).distinct().exclude(rower__team__name=t.name)
    else:
        inviteform = ''
        
    members = Rower.objects.filter(team=t).order_by('user__last_name','user__first_name')
    thisteammyrequests = TeamRequest.objects.filter(team=t,user=request.user)
    if len(thisteammyrequests):
        hasrequested = 1

    if r in members:
        ismember = 1


        
    return render(request, 'team.html',
                  {
                      'team':t,
                      'members':members,
                      'inviteform':inviteform,
                      'message':message,
                      'successmessage':successmessage,
                      'ismember':ismember,
                      'hasrequested':hasrequested,
                      })

@login_required()
def team_leaveconfirm_view(request,id=0):
    try:
        t = Team.objects.get(id=id)
    except Team.DoesNotExist:
        raise Http404("Team doesn't exist")

    return render(request,'teamleaveconfirm.html',
                  {
                      'team':t
                      })

@login_required()
def team_leave_view(request,id=0):
    r = Rower.objects.get(user=request.user)
    teams.remove_member(id,r)
                            
    url = reverse(rower_teams_view)
    response = HttpResponseRedirect(url)
    return response

from rowers.forms import TeamInviteCodeForm

@login_required()
def rower_teams_view(request,message='',successmessage=''):
    if request.method == 'POST':
        form = TeamInviteCodeForm(request.POST)
        if form.is_valid():
            code = form.cleaned_data['code']
            res,text = teams.process_invite_code(request.user,code)
            if res:
                successmessage = text
            else:
                message = text
    else:
        form = TeamInviteCodeForm()
            
    r = Rower.objects.get(user=request.user)
    ts = Team.objects.filter(rower=r)
    myteams = Team.objects.filter(manager=request.user)
    otherteams = Team.objects.filter(private='open').exclude(rower=r).exclude(manager=request.user).order_by('name')
    teams.remove_expired_invites()

    invites = TeamInvite.objects.filter(user=request.user)
    requests = TeamRequest.objects.filter(user=request.user)
    myrequests = TeamRequest.objects.filter(team__in=myteams)
    myinvites = TeamInvite.objects.filter(team__in=myteams)

    return render(request, 'teams.html',
		  {
                      'teams':ts,
                      'myteams':myteams,
                      'invites':invites,
                      'otherteams':otherteams,
                      'requests':requests,
                      'myrequests':myrequests,
                      'form':form,
                      'message':message,
                      'successmessage':successmessage,
                      'myinvites':myinvites,
		  })
@user_passes_test(iscoachmember,login_url="/",redirect_field_name=None)
def invitation_revoke_view(request,id):
    res,text = teams.revoke_invite(request.user,id)
    if res:
        successmessage = text
        url = reverse(rower_teams_view,kwargs={
            'successmessage':successmessage
            })
    else:
        message = text
        url = reverse(rower_teams_view,kwargs={
            'message':message
            })

    return HttpResponseRedirect(url)

@user_passes_test(iscoachmember,login_url="/",redirect_field_name=None)
def manager_member_drop_view(request,teamid,userid,
                             message='',successmessage=''):
    rower = Rower.objects.get(user__id=userid)
    res, text = teams.mgr_remove_member(teamid,request.user,rower)
    if res:
        successmessage = text
        url = reverse(rower_teams_view,kwargs={
            'successmessage':successmessage
            })
    else:
        message = text
        url = reverse(rower_teams_view,kwargs={
            'message':message
            })

    return HttpResponseRedirect(url)

@user_passes_test(iscoachmember,login_url="/",redirect_field_name=None)
def manager_requests_view(request,code=None,message='',successmessage=''):
    if code:
        res,text = teams.process_request_code(request.user,code)
        if res:
            successmessage = text
            message = ''
        else:
            message = text
            successmessage = ''

    url = reverse(rower_teams_view,kwargs={
    })
    return HttpResponseRedirect(url)


@login_required()
def team_requestmembership_view(request,teamid,userid):
    try:
        t = Team.objects.get(id=teamid)
    except Team.DoesNotExist:
        raise Http404("Team doesn't exist")
    
    res,text = teams.create_request(t,userid)
    if res:
        successmessage = text
        url = reverse(team_view,kwargs={
	    'id':teamid,
	    'successmessage': successmessage,
        })

    else:
        message = text
        url = reverse(team_view,kwargs={
	    'id':teamid,
	    'message': message,
        })


    return HttpResponseRedirect(url)

@login_required()
def request_revoke_view(request,id=0):
    res,text = teams.revoke_request(request.user,id)

    if res:
        successmessage = text
        url = reverse(rower_teams_view,kwargs={
            'successmessage':successmessage,
            })
    else:
        message = text
        url = reverse(rower_teams_view,kwargs={
            'message':message,
            })

    return HttpResponseRedirect(url)

@user_passes_test(iscoachmember,login_url="/",redirect_field_name=None)
def request_reject_view(request,id=0):
    res,text = teams.reject_request(request.user,id)

    if res:
        successmessage = text
        url = reverse(rower_teams_view,kwargs={
            'successmessage':successmessage,
            })
    else:
        message = text
        url = reverse(rower_teams_view,kwargs={
            'message':message,
            })

    return HttpResponseRedirect(url)

@user_passes_test(iscoachmember,login_url="/",redirect_field_name=None)
def invitation_reject_view(request,id=0):
    res,text = teams.reject_invitation(request.user,id)

    if res:
        successmessage = text
        url = reverse(rower_teams_view,kwargs={
            'successmessage':successmessage,
            })
    else:
        message = text
        url = reverse(rower_teams_view,kwargs={
            'message':message,
            })

    return HttpResponseRedirect(url)

@login_required()
def rower_invitations_view(request,code=None,message='',successmessage=''):

    if code:
        teams.remove_expired_invites()
        res,text = teams.process_invite_code(request.user,code)
        if res:
            successmessage = text
            teamid=res
            url = reverse(team_view,kwargs={
	        'id':teamid,
	        'successmessage': successmessage,
            })
        else:
	    message = text
            url = reverse(rower_teams_view,kwargs={
                'message':message,
                })

        return HttpResponseRedirect(url)

    url = reverse(rower_teams_view,kwargs={
    })
    return HttpResponseRedirect(url)
    
@user_passes_test(iscoachmember,login_url="/",redirect_field_name=None)
def team_edit_view(request,id=0):
    try:
        t = Team.objects.get(id=id)
    except Team.DoesNotExist:
        raise Http404("Team does not exist")
        
    if request.method == 'POST':
        teamcreateform = TeamForm(request.POST,instance=t)
        if teamcreateform.is_valid():
            cd = teamcreateform.cleaned_data
            name = cd['name']
            notes = cd['notes']
            manager = request.user
            private = cd['private']
            viewing = cd['viewing']
            res,message=teams.update_team(t,name,manager,private,notes,
                                          viewing)
            if res:
                url = reverse(team_view,
                              kwargs={
                                  'id':id,
                                  'successmessage':message
                              }
                )
            else:
                url = reverse(team_view,
                              kwargs={
                                  'id':id,
                                  'message':message
                              }
                )
                
            response = HttpResponseRedirect(url)
            return response

    else:
        teamcreateform = TeamForm(instance=t)

    return render(request,'teamedit.html',
                  {
                      'form':teamcreateform,
                      'team':t,
                      })

@user_passes_test(iscoachmember,login_url="/",redirect_field_name=None)
def team_create_view(request):
    if request.method == 'POST':
        teamcreateform = TeamForm(request.POST)
        if teamcreateform.is_valid():
            cd = teamcreateform.cleaned_data
            name = cd['name']
            notes = cd['notes']
            manager = request.user
            private = cd['private']
            viewing = cd['viewing']
            res,message=teams.create_team(name,manager,private,notes,
                                          viewing)
            url = reverse(rower_teams_view)
            response = HttpResponseRedirect(url)
            return response

    else:
        teamcreateform = TeamForm()

    return render(request,'teamcreate.html',
                  {
                      'form':teamcreateform,
                      })

@user_passes_test(iscoachmember,login_url="/",redirect_field_name=None)
def team_deleteconfirm_view(request,id):
    r = Rower.objects.get(user=request.user)
    try:
        t = Team.objects.get(id=id)
    except Team.DoesNotExist:
        raise Http404("This team doesn't exist")
    if t.manager != request.user:
        raise PermissionDenied("You are not allowed to delete this team")

    return render(request,'teamdeleteconfirm.html',
                  {
                      'team':t
                  })

@user_passes_test(iscoachmember,login_url="/",redirect_field_name=None)
def team_delete_view(request,id):
    r = Rower.objects.get(user=request.user)
    try:
        t = Team.objects.get(id=id)
    except Team.DoesNotExist:
        raise Http404("This team doesn't exist")
    if t.manager != request.user:
        raise PermissionDenied("You are not allowed to delete this team")

    teams.remove_team(t.id)
    
    url = reverse(rower_teams_view)
    response = HttpResponseRedirect(url)
    return response