sending alerts in rudimentary form

rowers/alerts.py

@@ -62,16 +62,22 @@ def alert_add_filters(alert,filters):
         f.delete()
 
     for f in filters:
-        m = Condition(
-            metric = f['metric'],
-            value1 = f['value1'],
-            value2 = f['value2'],
-            condition = f['condition']
-        )
+        metric = f['metric']
+        value1 = f['value1']
+        value2 = f['value2']
+        condition = f['condition']
 
-        m.save()
+        if condition and metric and value1:
+            m = Condition(
+                metric = f['metric'],
+                value1 = f['value1'],
+                value2 = f['value2'],
+                condition = f['condition']
+            )
 
-        alert.filter.add(m)
+            m.save()
+
+            alert.filter.add(m)
         
     return 1
 

rowers/management/commands/processalerts.py

@@ -0,0 +1,58 @@
+#!/srv/venv/bin/python
+
+import sys
+import os
+
+PY3K = sys.version_info >= (3,0)
+
+from django.core.management.base import BaseCommand
+from rowers.models import Alert, Condition, User
+from rowers.tasks import handle_send_email_alert
+
+from rowers import alerts
+
+import django_rq
+queue = django_rq.get_queue('default')
+queuelow = django_rq.get_queue('low')
+queuehigh = django_rq.get_queue('low')
+
+
+import datetime
+
+class Command(BaseCommand):
+    def add_arguments(self, parser):
+        parser.add_argument(
+            '--testing',
+            action='store_true',
+            dest='testing',
+            default=False,
+            help="Run in testing mode, don't send emails",
+            )
+
+    def handle(self, *args, **options):
+        if 'testing' in options:
+            testing = options['testing']
+        else:
+            testing = False
+
+        todaysalerts = Alert.objects.filter(next_run = datetime.date.today(),emailalert=True)
+
+        for alert in todaysalerts:
+            stats = alerts.alert_get_stats(alert)
+            
+            # send email
+            handle_send_email_alert(alert.manager.email,
+                                    alert.manager.first_name,
+                                    alert.manager.last_name,
+                                    stats,debug=True)
+
+            # advance next_run
+            if not testing:
+                alert.next_run = alert.next_run + datetime.timedelta(days=alert.period)
+                alert.save()
+
+        if testing:
+            print('{nr} alerts found'.format(nr = len(todaysalerts)))
+        
+        self.stdout.write(self.style.SUCCESS(
+            'Successfully processed alerts'))

rowers/tasks.py

@@ -756,6 +756,35 @@ def handle_updatedps(useremail, workoutids, debug=False,**kwargs):
 
     return 1
 
+@app.task
+def handle_send_email_alert(
+        useremail, userfirstname, userlastname, stats, **kwargs):
+
+    if 'debug' in kwargs:
+        debug = kwargs['debug']
+    else:
+        debug = False
+
+    subject = "Your rowing performance on rowsandall.com ({startdate} to {enddate})".format(
+        startdate = stats['startdate'],
+        enddate = stats['enddate'],
+        )
+
+    from_email = 'Rowsandall <info@rowsandall.com>'
+
+    d = {
+        'report':stats,
+        'first_name':userfirstname,
+        'last_name':userlastname,
+        'siteurl':siteurl,
+        }
+
+    res = send_template_email(from_email,[useremail],subject,
+                              'alertemail.html',
+                              d,**kwargs)
+
+    return 1
+
 @app.task
 def handle_send_email_transaction(
         username, useremail, amount, **kwargs):

rowers/templates/alertemail.html

@@ -0,0 +1,20 @@
+{% extends "emailbase.html" %}
+
+{% block body %}
+<p>Dear <strong>{{ first_name }}</strong>,</p>
+
+<p>
+  Here is the report for your alert on <a href="{{ siteurl }}">rowsandall.com</a>.
+</p>
+
+{% for key, value in report.items() %}
+<p>
+  {{ key }}: {{ value }}
+</p>
+{% endfor %}
+
+<p>
+  Best Regards, the Rowsandall Team
+</p>
+{% endblock %}
+