first version erase column

rowers/templates/workout_data.html

@@ -17,8 +17,24 @@
       </form>
     </p>
   </li>
-  <li class="grid_4">
+  <li class="maxheight grid_4">
-    {{ htmltable|safe }}
+    <table width=100% class="listtable shortpadded">
+    <th>
+      {% for i in cols %}
+      <td><strong>{{i}}</strong> <a href="/rowers/workout/{{ workout.id|encode }}/{{i}}/erase/">erase</a></td>
+      {% endfor %}
+    </th>
+     {% for row in data.values.tolist %}
+    <tr>
+      <td>
+        {{ forloop.counter0 }}
+      </td>
+      {% for value in row %}
+    <td>{{ value }}</td>
+    {% endfor %}
+    </tr>
+     {% endfor %}
+  </table>
   </li>
 </ul>
 

rowers/templates/workout_erase_column.html

@@ -0,0 +1,44 @@
+{% extends "newbase.html" %}
+{% load staticfiles %}
+{% load rowerfilters %}
+
+{% block title %}Workout Data{% endblock %}
+
+{% block main %}
+<h1>Erase {{ column }} for {{ workout.name }}</h1>
+
+<ul class="main-content">
+  <li class="grid_4">
+    <p>
+    This will erase column {{ column }} from the following workout:
+    </p>
+    <table width=100%>
+      <tr>
+	<th>Name:</th><td>{{ workout.name }}</td>
+      </tr><tr>
+	<th>Date:</th><td>{{ workout.date }}</td>
+      </tr><tr>
+	<th>Time:</th><td>{{ workout.starttime }}</td>
+      </tr><tr>
+	<th>Distance:</th><td>{{ workout.distance }}m</td>
+      </tr><tr>
+	<th>Duration:</th><td>{{ workout.duration |durationprint:"%H:%M:%S.%f" }}</td>
+      </tr>
+    </table>
+		<p>
+			The data cannot be recovered. If you are sure, please confirm.
+		</p>
+  </li>
+	<li class="grid_2">
+    <form action="" method="post">
+      {% csrf_token %}
+      <input type="submit" value="Confirm">
+    </form>
+  </li>
+</ul>
+
+{% endblock %}
+
+{% block sidebar %}
+{% include 'menu_workout.html' %}
+{% endblock %}

rowers/templatetags/rowerfilters.py

@@ -85,6 +85,10 @@ def icon(s):
     except KeyError:
         return 'fa-chart-line'
 
+@register.filter
+def datarows(data):
+    return range(len(data))
+
 @register.filter
 def adaptive(s):
     u = s
@@ -519,11 +523,18 @@ def mayeditplan(obj,request):
 
     return mayedit
 
+@register.filter
+def iterrows(df):
+    return df.iterrows()
 
 @register.filter(name='times')
 def times(number):
     return range(number)
 
+@register.simple_tag
+def get_df_iloc(data,i,j):
+    return data.iloc(i,j)
+
 @register.simple_tag
 def get_field_id(id,s,form):
     field_name = s+str(id)

rowers/urls.py

@@ -463,6 +463,8 @@ urlpatterns = [
     re_path(r'^workout/(?P<id>\b[0-9A-Fa-f]+\b)/stats/$',views.workout_stats_view,name='workout_stats_view'),
     re_path(r'^workout/(?P<id>\b[0-9A-Fa-f]+\b)/data/$',views.workout_data_view,
         name='workout_data_view'),
+    re_path(r'^workout/(?P<id>\b[0-9A-Fa-f]+\b)/(?P<column>\w+)/erase/$',views.workout_erase_column_view,
+            name='workout_erase_column_view'),
     re_path(r'^workout/(?P<id>\b[0-9A-Fa-f]+\b)/zeropower-confirm/$',views.remove_power_confirm_view,
             name='remove_power_confirm_view'),
     re_path(r'^workout/(?P<id>\b[0-9A-Fa-f]+\b)/zeropower/$',views.remove_power_view,

rowers/views/workoutviews.py

@@ -3166,6 +3166,124 @@ def instroke_chart(request,id=0,metric=''):
 
     return HttpResponseRedirect(url)
 
+# erase column
+@permission_required('workout.change_workout',fn=get_workout_by_opaqueid,raise_exception=True)
+def workout_erase_column_view(request, id=0,column=''):
+    r = getrower(request.user)
+    w = get_workoutuser(id,request)
+
+    protected = ['time','pace','velo','cumdist','ftime','fpace',]
+    if column in protected:
+        messages.error(request,'You cannot erase this protected column')
+        url = reverse('workout_data_view',kwargs={
+            'id':encoder.encode_hex(w.id)
+        })
+
+        return HttpResponseRedirect(url)
+
+    try:
+        data = dataprep.getsmallrowdata_db([column],ids=[w.id])
+    except:
+        messages.error(request,'Invalid column')
+        url = reverse('workout_data_view',kwargs={
+            'id':encoder.encode_hex(w.id)
+        })
+
+        return HttpResponseRedirect(url)
+
+    try:
+        cdata = data[column]
+    except KeyError:
+        url = reverse('workout_data_view',kwargs={
+            'id':encoder.encode_hex(w.id)
+        })
+
+        return HttpResponseRedirect(url)
+
+
+    if not column:
+        url = reverse('workout_data_view',kwargs={
+            'id':encoder.encode_hex(w.id)
+        })
+
+        return HttpResponseRedirect(url)
+
+    if request.method == 'POST':
+
+        mms = {}
+        for m in rowingmetrics:
+            mms[m[0]] = m[1]
+
+        try:
+            defaultvalue = mms[column]['default']
+        except KeyError:
+            if not mms[column]['null']:
+                messages.error(request,'You cannot erase this protected column')
+                url = reverse('workout_data_view',kwargs={
+                    'id':encoder.encode_hex(w.id)
+                })
+
+                return HttpResponseRedirect(url)
+            defaultvalue = 0
+
+        try:
+            columnl = dataprep.columndict[column]
+        except KeyError:
+            messages.error(request,'You cannot erase this column')
+            url = reverse('workout_data_view',kwargs={
+                'id':encoder.encode_hex(w.id)
+            })
+
+            return HttpResponseRedirect(url)
+
+        row,workout = dataprep.getrowdata(id=w.id)
+        row.df[columnl] = defaultvalue
+        print(row.df[columnl])
+        row.write_csv(w.csvfilename,gzip=True)
+
+        datadf = dataprep.dataprep(row.df,id=w.id)
+
+
+        messages.info(request,'Data for column '+column+' have been erased')
+        url = reverse('workout_data_view',kwargs={
+            'id':encoder.encode_hex(w.id)
+        })
+
+        return HttpResponseRedirect(url)
+
+
+    breadcrumbs = [
+            {
+                'url':'/rowers/list-workouts/',
+                'name':'Workouts'
+                },
+            {
+                'url':get_workout_default_page(request,id),
+                'name': w.name
+                },
+            {
+                'url':reverse('workout_data_view',kwargs={'id':id}),
+                'name': 'Data Explorer'
+                }
+
+            ]
+
+    return render(request,
+                  'workout_erase_column.html',
+                  {
+                    'column':column,
+                      'teams':get_my_teams(request.user),
+                      'workout': w,
+                      'breadcrumbs': breadcrumbs,
+
+                      }
+                  )
+
+
+
+
+
+
 
 # data explorer
 @permission_required('workout.change_workout',fn=get_workout_by_opaqueid,raise_exception=True)
@@ -3268,6 +3386,8 @@ def workout_data_view(request, id=0):
                   'workout_data.html',
                   {
                       'htmltable': htmltable,
+                      'data':datadf,
+                      'cols':datadf.columns,
                       'form':form,
                       'teams':get_my_teams(request.user),
                       'workout': w,