From e9d4b61b1fb0d5efa78df56a2529185d3d8fabf5 Mon Sep 17 00:00:00 2001
From: Alban Gruin
Date: Thu, 19 Jan 2017 13:51:46 +0100
Subject: Association des cours et groupes à des emplois du temps spécifiques

---
 management/commands/_private.py   | 25 ++++++++++++++++++-------
 management/commands/timetables.py | 33 ++++++++++++++-------------------
 2 files changed, 32 insertions(+), 26 deletions(-)

(limited to 'management')

diff --git a/management/commands/_private.py b/management/commands/_private.py
index 4000f6b..4e84363 100644
--- a/management/commands/_private.py
+++ b/management/commands/_private.py
@@ -1,6 +1,6 @@
 from bs4 import BeautifulSoup
 from django.utils import timezone
-from edt.models import Group, Room
+from edt.models import Group, Room, Course
 
 import datetime
 import requests
@@ -18,15 +18,26 @@ def add_time(date, time):
     delta = datetime.timedelta(hours=time.hour, minutes=time.minute)
     return date + delta
 
-def get_from_db_or_create(cls, name):
-    obj = cls.objects.all().filter(name=name).first()
-    if obj == None:
+def delete_courses_in_week(year, week):
+    start = timezone.make_aware(datetime.datetime.strptime("{0}-W{1:02d}-1".format(year, week), "%Y-W%W-%w"))
+    end = start + datetime.timedelta(weeks=1)
+
+    Course.objects.filter(begin__gte=start, begin__lt=end).delete()
+
+def get_from_db_or_create(cls, name, timetable=None):
+    obj = cls.objects.all().filter(name=name)
+    if timetable is not None:
+        obj = obj.filter(timetable=timetable)
+
+    obj = obj.first()
+    if obj is None:
         obj = cls(name=name)
+        obj.timetable = timetable
         obj.save()
 
     return obj
 
-def get_events(soup, weeks, week):
+def get_events(soup, weeks, week, timetable):
     for event in soup.find_all("event"):
         title = None
         type_ = None
@@ -43,7 +54,7 @@ def get_events(soup, weeks, week):
             type_ = event.category.text
 
         if event.resources.group is not None and type_ is not None:
-            groups = [get_from_db_or_create(Group, item.text) for item in event.resources.group.find_all("item")]
+            groups = [get_from_db_or_create(Group, item.text, timetable) for item in event.resources.group.find_all("item")]
 
         if event.resources.room is not None and groups is not None:
             rooms = [get_from_db_or_create(Room, item.text) for item in event.resources.room.find_all("item")]
@@ -52,7 +63,7 @@ def get_events(soup, weeks, week):
             begin = add_time(date, datetime.datetime.strptime(event.starttime.text, "%H:%M"))
             end = add_time(date, datetime.datetime.strptime(event.endtime.text, "%H:%M"))
 
-            yield (title, type_, groups, rooms, begin, end,)
+            yield title, type_, groups, rooms, begin, end
 
 def get_weeks(soup):
     weeks = {}
diff --git a/management/commands/timetables.py b/management/commands/timetables.py
index 58897a1..60c9eb5 100644
--- a/management/commands/timetables.py
+++ b/management/commands/timetables.py
@@ -1,38 +1,33 @@
 from django.core.management.base import BaseCommand, CommandError
 from django.utils import timezone
-from edt.models import Group, Room, Course
+from edt.models import Timetable, Group, Room, Course
 
 from bs4 import BeautifulSoup
 
-from ._private import get_events, get_weeks, get_xml, Week
+from ._private import delete_courses_in_week, get_events, get_weeks, get_xml, Week
 
 import datetime
 import requests
 
+
 class Command(BaseCommand):
     help = "Fetches the specified celcat timetable"
 
-    def add_arguments(self, parser):
-        parser.add_argument("url", type=str)
-
     def handle(self, *args, **options):
-        url = options["url"]
-
-        _, week, day = timezone.now().isocalendar()
+        year, week, day = timezone.now().isocalendar()
         if day >= 6:
-            _, week, _ = (timezone.now() + datetime.timedelta(weeks=1)).isocalendar()
+            year, week, _ = (timezone.now() + datetime.timedelta(weeks=1)).isocalendar()
 
-        soup = get_xml(url)
-        weeks = get_weeks(soup)
+        delete_courses_in_week(year, week)
 
-        for name, type_, groups, rooms, begin, end in get_events(soup, weeks, week):
-            
-            course = Course.objects.create(begin=begin, end=end)
+        for timetable in Timetable.objects.all():
+            soup = get_xml(timetable.url)
+            weeks = get_weeks(soup)
 
-            course.name = name
-            course.type = type_
-            course.groups.add(*groups)
-            course.rooms.add(*rooms)
-            course.save()
+            for name, type_, groups, rooms, begin, end in get_events(soup, weeks, week, timetable):
+                course = Course.objects.create(name=name, type=type_, timetable=timetable, begin=begin, end=end)
+                course.groups.add(*groups)
+                course.rooms.add(*rooms)
+                course.save()
 
         self.stdout.write(self.style.SUCCESS("Done."))
-- 
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