From 858efca050037de588a2ac813de4ac772458ed8c Mon Sep 17 00:00:00 2001
From: Alban Gruin
Date: Sun, 12 Feb 2017 13:36:56 +0100
Subject: Revert "Refonte du système d'envoi des mails. N'envoie plus de mails
 si l'emploi du temps est vide"

This reverts commit 6bb960804653efe4b0da436d01d9d9855090f82a.
---
 management/commands/sendmails.py | 36 +++++++++++++++---------------------
 1 file changed, 15 insertions(+), 21 deletions(-)

diff --git a/management/commands/sendmails.py b/management/commands/sendmails.py
index dca7222..3126243 100644
--- a/management/commands/sendmails.py
+++ b/management/commands/sendmails.py
@@ -14,29 +14,17 @@
 #    with celcatsanitizer; if not, write to the Free Software Foundation, Inc.,
 #    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-from django.conf import settings
 from django.core.management.base import BaseCommand, CommandError
 from django.core.mail import send_mass_mail
-from django.db.models import Count
 from django.utils import timezone, translation
 from django.template import Context, loader
+from django.conf import settings
 
 from edt.models import Group, Subscription, Course
 from edt.utils import get_current_or_next_week, get_week, group_courses
 
 import datetime
 
-def __generate_mails(start, end):
-    subscribed_groups = Subscription.objects.filter(active=True).annotate(nb=Count("group"))
-    for subscription in subscribed_groups:
-        courses = Course.objects.get_courses_for_group(subscription.group, begin__gte=start, begin__lt=end)
-        if len(courses) > 0:
-            grouped_courses = group_courses(courses)
-
-            template = loader.get_template("mail/mail_timetable.txt")
-            context = Context({"subscription": subscription, "courses": grouped_couses, "week": week})
-            yield subscription.group, template.render(context)
-
 
 class Command(BaseCommand):
     help = "Sends emails to subscribed users"
@@ -47,19 +35,25 @@ class Command(BaseCommand):
         year, week = get_current_or_next_week()
         start, end = get_week(year, week)
 
-        footer = loader.get_template("mail/mail_footer.txt")
+        subscriptions = Subscription.objects.filter(active=True)
+        content = {}
         mails = []
 
         print("Generating messages...")
-        for group, content in __generate_mails(start, end):
-            subscriptions = Subscription.objects.filter(active=True, group=group)
-            title = "{0} - {1} - Semaine {2}".format(subscription.group.timetable.name, subscription.group.name, week)
+        for subscription in subscriptions:
+            if subscription.group.id not in content:
+                courses = Course.objects.get_courses_for_group(subscription.group, begin__gte=start, begin__lt=end)
+                grouped_courses = group_courses(courses)
+
+                template = loader.get_template("mail/mail_timetable.txt")
+                context = Context({"subscription": subscription, "courses": grouped_courses, "week": week})
+                content[subscription.group.id] = template.render(context)
 
-            for subscription in subscriptions:
-                context = Context({"admins": settings.ADMINS, "token": subscription.token, "domain": settings.DEFAULT_DOMAIN})
-                mail_content = content + footer.render(context)
+            footer = loader.get_template("mail/mail_footer.txt")
+            context = Context({"admins": settings.ADMINS, "token": subscription.token, "domain": settings.DEFAULT_DOMAIN})
+            mail_content = content[subscription.group.id] + footer.render(context)
 
-                mails.append((title, mail_content, settings.DEFAULT_FROM_EMAIL, [subscription.email],))
+            mails.append(("{0} - {1} - Semaine {2}".format(subscription.group.timetable.name, subscription.group.name, week), mail_content, settings.DEFAULT_FROM_EMAIL, [subscription.email],))
 
         print("Sending mails...")
         send_mass_mail(mails)
-- 
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