From e30b0c673cae607175c5bae6df6e87d8b100bdf3 Mon Sep 17 00:00:00 2001
From: Alban Gruin
Date: Sun, 24 Sep 2017 17:16:10 +0200
Subject: Suppression du modèle LastUpdate, utilisation du champ last_update à
 la place.

---
 feeds.py | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

(limited to 'feeds.py')

diff --git a/feeds.py b/feeds.py
index 6dfb851..d7f3ae3 100644
--- a/feeds.py
+++ b/feeds.py
@@ -16,7 +16,7 @@
 from django.core.exceptions import ObjectDoesNotExist
 from django.conf import settings
 from django.contrib.syndication.views import Feed
-from django.db.models import Q
+from django.db.models import Count, Max, Q
 from django.db.models.functions import ExtractWeek, ExtractYear
 from django.template import loader
 from django.urls import reverse
@@ -24,7 +24,7 @@ from django.utils.feedgenerator import Atom1Feed, SyndicationFeed
 
 from icalendar import Calendar, Event
 
-from .models import Course, Group, LastUpdate
+from .models import Course, Group
 from .templatetags.rooms import format_rooms
 from .utils import get_current_or_next_week, get_week, group_courses
 
@@ -70,13 +70,13 @@ class IcalFeed(Feed):
         return ""
 
     def items(self, obj):
-        return Course.objects.get_courses_for_group(obj).annotate(year=ExtractYear("begin"), week=ExtractWeek("begin"))
+        return Course.objects.get_courses_for_group(obj)
 
     def item_extra_kwargs(self, item):
         return {"uid": "{0}@celcatsanitizer".format(item.id),
                 "dtstart": item.begin,
                 "dtend": item.end,
-                "dtstamp": LastUpdate.objects.get(timetable=item.timetable, year=item.year, week=item.week).updated_at,
+                "dtstamp": item.last_update,
                 "summary": item.name,
                 "location": format_rooms(item.rooms.all())}
 
@@ -84,12 +84,14 @@ class IcalFeed(Feed):
 class RSSFeed(Feed):
     def get_object(self, request, year_slug, timetable_slug, group_slug):
         year, week = get_current_or_next_week()
+        begin, end = get_week(year, week)
+
         try:
             group = Group.objects.get(timetable__year__slug=year_slug, timetable__slug=timetable_slug, slug=group_slug)
-            updates = LastUpdate.objects.filter(Q(year=year, week__lte=week) | Q(year__lt=year), timetable__year__slug=year_slug, timetable__slug=timetable_slug).order_by("-year", "-week")[:5]
         except:
             raise ObjectDoesNotExist
         else:
+            updates = Course.objects.get_courses_for_group(group, begin__lt=end).annotate(year=ExtractYear("begin"), week=ExtractWeek("begin")).values("year", "week").annotate(Count("year", distinct=True), Max("last_update")).order_by("-year", "-week")[:5]
             return group, updates
 
     def link(self, obj):
@@ -115,9 +117,9 @@ class RSSFeed(Feed):
         group = obj[0]
 
         for update in obj[1]:
-            start, end = get_week(update.year, update.week)
+            start, end = get_week(update["year"], update["week"])
             courses = Course.objects.get_courses_for_group(group, begin__gte=start, begin__lt=end)
-            context = {"group": group, "courses": group_courses(courses), "last_update": update, "year": update.year, "week": update.week}
+            context = {"group": group, "courses": group_courses(courses), "last_update": update["last_update__max"], "year": update["year"], "week": update["week"]}
 
             update.group = group
             update.description = template.render(context)
-- 
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