moved to class based generic views

program/urls.py

 from django.conf import settings
 from django.conf.urls import patterns, url
+from django.db.models import Q
 from django.views.decorators.cache import cache_page
+from django.views.generic.detail import DetailView
+from django.views.generic.list import ListView
 
-from views import current_show, day_schedule, recommendations, show_list, show_detail, timeslot_detail, week_schedule, styles, host_list, host_detail
+from views import ShowListView, CurrentShowBoxView, RecommendationsListView, RecommendationsBoxView, DayScheduleView, StylesView, WeekScheduleView
+from models import Host, Show, TimeSlot
 
 import os
+from datetime import date, datetime, timedelta
 
 PROGRAM_SITE_MEDIA = os.path.join(os.path.dirname(__file__), '../site_media')
 
-recommendations_dict = {'template_name': 'boxes/recommendations.html'}
+now = datetime.now()
+end = now + timedelta(weeks=1)
 
-urlpatterns = patterns('',
-                       url(r'^today/?$', day_schedule),
-                       url(r'^week/?$', week_schedule),
-                       url(r'^(?P<year>\d{4})/(?P<month>\d{1,2})/(?P<day>\d{1,2})/?$', day_schedule),
-                       url(r'^(?P<year>\d{4})/(?P<week>\d{1,2})/?$', week_schedule),
-                       url(r'^current_box/?$', cache_page(60)(current_show)),
-                       url(r'^hosts/?$', host_list),
-                       url(r'^hosts/(?P<object_id>\d+)/?$', host_detail, name='host-detail'),
-                       url(r'^tips/?$', recommendations),
-                       url(r'^tips_box/?$', recommendations, recommendations_dict),
-                       url(r'^shows/?$', show_list),
-                       url(r'^shows/(?P<slug>[\w-]+)/?$', show_detail, name='show-detail'),
-                       url(r'^(?P<object_id>\d+)/?$', timeslot_detail, name='timeslot-detail'),
-                       url(r'^styles.css$', styles))
+hosts = Host.objects.filter(Q(shows__programslots__until__gte=date.today()) |
+                            Q(always_visible=True)).distinct()
+shows = Show.objects.filter(programslots__until__gt=date.today()).exclude(id=1).distinct()
+timeslots = TimeSlot.objects.all()
+recommendations = TimeSlot.objects.filter(Q(note__isnull=False, note__status=1, start__range=(now, end)) |
+                                          Q(show__broadcastformat__slug='sondersendung', start__range=(now, end))).order_by('start')[:20]
 
+urlpatterns = patterns('',
+                       url(r'^today/?$', DayScheduleView.as_view()),
+                       url(r'^week/?$', WeekScheduleView.as_view()),
+                       url(r'^(?P<year>\d{4})/(?P<month>\d{1,2})/(?P<day>\d{1,2})/?$', DayScheduleView.as_view()),
+                       url(r'^(?P<year>\d{4})/(?P<week>\d{1,2})/?$', WeekScheduleView.as_view()),
+                       url(r'^current_box/?$', cache_page(60)(CurrentShowBoxView.as_view())),
+                       url(r'^hosts/?$', ListView.as_view(context_object_name='host_list', queryset=hosts, template_name='host_list.html')),
+                       url(r'^hosts/(?P<pk>\d+)/?$', DetailView.as_view(context_object_name='host', queryset=hosts, template_name='host_detail.html'), name='host-detail'),
+                       url(r'^tips/?$', RecommendationsListView.as_view()),
+                       url(r'^tips_box/?$', RecommendationsBoxView.as_view()),
+                       url(r'^shows/?$', ShowListView.as_view(context_object_name='show_list', queryset=shows, template_name='show_list.html')),
+                       url(r'^shows/(?P<slug>[\w-]+)/?$', DetailView.as_view(queryset=shows, template_name='show_detail.html'), name='show-detail'),
+                       url(r'^(?P<pk>\d+)/?$', DetailView.as_view(queryset=timeslots, template_name='timeslot_detail.html'), name='timeslot-detail'),
+                       url(r'^styles.css$', StylesView.as_view())
+                       )
 if settings.DEBUG:
     urlpatterns += patterns('',
                             url(r'^static/(?P<path>.*)$', 'django.views.static.serve', {'document_root': PROGRAM_SITE_MEDIA}))

program/views.py

-from datetime import date, datetime, time, timedelta
 import json
+from datetime import date, datetime, time, timedelta
 
-from django.views.generic.base import TemplateView
-from django.views.generic.detail import DetailView
-from django.views.generic.list import ListView
-from django.shortcuts import get_object_or_404
 from django.db.models import Q
 from django.http import HttpResponse
+from django.shortcuts import get_object_or_404
+from django.views.generic.base import TemplateView
+from django.views.generic.list import ListView
 
-from models import BroadcastFormat, MusicFocus, Note, Show, ShowInformation, ShowTopic, TimeSlot, Host
-
-
-def host_list(request):
-    queryset = Host.objects.filter(Q(shows__programslots__until__gte=date.today()) |
-                                   Q(always_visible=True)).distinct()
-
-    return ListView.as_view(request, queryset=queryset, template_name='host_list.html')
-
-
-def host_detail(request):
-    queryset = Host.objects.filter(Q(shows__programslots__until__gte=date.today()) |
-                                   Q(always_visible=True)).distinct()
-
-    return DetailView.as_view(request, queryset=queryset, template_name='host_detail.html')
-
-
-def show_list(request):
-    queryset = Show.objects.filter(programslots__until__gt=date.today()).exclude(id=1).distinct()
-
-    if 'broadcastformat' in request.GET:
-        broadcastformat = get_object_or_404(BroadcastFormat, slug=request.GET['broadcastformat'])
-        queryset = queryset.filter(broadcastformat=broadcastformat)
-    elif 'musicfocus' in request.GET:
-        musicfocus = get_object_or_404(MusicFocus, slug=request.GET['musicfocus'])
-        queryset = queryset.filter(musicfocus=musicfocus)
-    elif 'showinformation' in request.GET:
-        showinformation = get_object_or_404(ShowInformation, slug=request.GET['showinformation'])
-        queryset = queryset.filter(showinformation=showinformation)
-    elif 'showtopic' in request.GET:
-        showtopic = get_object_or_404(ShowTopic, slug=request.GET['showtopic'])
-        queryset = queryset.filter(showtopic=showtopic)
-
-    return ListView.as_view(request, queryset=queryset, template_object_name='show', template_name='show_list.html')
-
+from models import BroadcastFormat, MusicFocus, Note, Show, ShowInformation, ShowTopic, TimeSlot
+from program.utils import tofirstdayinisoweek
 
-def show_detail(request):
-    queryset = Show.objects.filter(programslots__until__gt=date.today()).exclude(id=1).distinct()
 
-    return DetailView.as_view(request, queryset=queryset, template_name='show_detail.html',)
+class ShowListView(ListView):
+    def get_queryset(self):
+        queryset = Show.objects.filter(programslots__until__gt=date.today()).exclude(id=1).distinct()
 
+        if 'broadcastformat' in self.request.GET:
+            broadcastformat = get_object_or_404(BroadcastFormat, slug=self.request.GET['broadcastformat'])
+            queryset = queryset.filter(broadcastformat=broadcastformat)
+        elif 'musicfocus' in self.request.GET:
+            musicfocus = get_object_or_404(MusicFocus, slug=self.request.GET['musicfocus'])
+            queryset = queryset.filter(musicfocus=musicfocus)
+        elif 'showinformation' in self.request.GET:
+            showinformation = get_object_or_404(ShowInformation, slug=self.request.GET['showinformation'])
+            queryset = queryset.filter(showinformation=showinformation)
+        elif 'showtopic' in self.request.GET:
+            showtopic = get_object_or_404(ShowTopic, slug=self.request.GET['showtopic'])
+            queryset = queryset.filter(showtopic=showtopic)
 
-def timeslot_detail(request):
-    queryset = TimeSlot.objects.all()
+        return queryset
 
-    return DetailView.as_view(request, queryset=queryset, template_name='timeslot_detail.html')
 
+class RecommendationsListView(ListView):
+    context_object_name = 'recommendation_list'
+    template_name = 'recommendation_list.html'
 
-def recommendations(request, template_name='recommendations.html'):
     now = datetime.now()
     end = now + timedelta(weeks=1)
 
     queryset = TimeSlot.objects.filter(Q(note__isnull=False, note__status=1, start__range=(now, end)) |
                                        Q(show__broadcastformat__slug='sondersendung', start__range=(now, end))).order_by('start')[:20]
 
-    return DetailView.as_view(request, queryset=queryset, template_name=template_name, template_object_name='recommendation')
-
-
-def day_schedule(request, year=None, month=None, day=None):
-    if year is None and month is None and day is None:
-        today = datetime.combine(date.today(), time(6, 0))
-    else:
-        today = datetime.strptime('%s__%s__%s__06__00' % (year, month, day), '%Y__%m__%d__%H__%M')
 
-    tomorrow = today + timedelta(days=1)
+class RecommendationsBoxView(RecommendationsListView):
+    template_name='boxes/recommendation.html'
 
-    recommendations = Note.objects.filter(status=1, timeslot__start__range=(today, tomorrow))
-
-    default_show = Show.objects.get(pk=1)
-
-    extra_context = dict(day=today, recommendations=recommendations, default_show=default_show)
-
-    timeslots = TimeSlot.objects.get_day_timeslots(today)
-
-    if 'broadcastformat' in request.GET:
-        broadcastformat = get_object_or_404(BroadcastFormat, slug=request.GET['broadcastformat'])
-        extra_context['timeslots'] = timeslots.filter(show__broadcastformat=broadcastformat)
-    elif 'musicfocus' in request.GET:
-        musicfocus = get_object_or_404(MusicFocus, slug=request.GET['musicfocus'])
-        extra_context['timeslots'] = timeslots.filter(show__musicfocus=musicfocus)
-    elif 'showinformation' in request.GET:
-        showinformation = get_object_or_404(ShowInformation, slug=request.GET['showinformation'])
-        extra_context['timeslots'] = timeslots.filter(show__showinformation=showinformation)
-    elif 'showtopic' in request.GET:
-        showtopic = get_object_or_404(ShowTopic, slug=request.GET['showtopic'])
-        extra_context['showtopic'] = timeslots.filter(show__showtopic=showtopic)
-    else:
-        extra_context['timeslots'] = timeslots
 
-    return TemplateView.as_view(request, extra_context=extra_context, template='day_schedule.html')
+class DayScheduleView(TemplateView):
+    template_name = 'day_schedule.html'
 
+    def get_context_data(self, **kwargs):
+        year = self.kwargs.get('year', None)
+        month = self.kwargs.get('month', None)
+        day = self.kwargs.get('day', None)
 
-def current_show(request):
-    current = TimeSlot.objects.get_or_create_current()
-    previous = current.get_previous_by_start()
-    next = current.get_next_by_start()
-    after_next = next.get_next_by_start()
-
-    extra_context = dict(current=current, previous=previous, next=next, after_next=after_next)
-
-    return TemplateView.as_view(request, template='boxes/current.html', extra_context=extra_context)
-
+        if year is None and month is None and day is None:
+            today = datetime.combine(date.today(), time(6, 0))
+        else:
+            today = datetime.strptime('%s__%s__%s__06__00' % (year, month, day), '%Y__%m__%d__%H__%M')
+
+        tomorrow = today + timedelta(days=1)
+
+        context = super(DayScheduleView, self).get_context_data(**kwargs)
+        context['day'] = today
+        context['recommendations'] = Note.objects.filter(status=1, timeslot__start__range=(today, tomorrow))
+        context['default_show'] = Show.objects.get(pk=1)
+
+        timeslots = TimeSlot.objects.get_day_timeslots(today)
+
+        if 'broadcastformat' in self.request.GET:
+            broadcastformat = get_object_or_404(BroadcastFormat, slug=self.request.GET['broadcastformat'])
+            context['timeslots'] = timeslots.filter(show__broadcastformat=broadcastformat)
+        elif 'musicfocus' in self.request.GET:
+            musicfocus = get_object_or_404(MusicFocus, slug=self.request.GET['musicfocus'])
+            context['timeslots'] = timeslots.filter(show__musicfocus=musicfocus)
+        elif 'showinformation' in self.request.GET:
+            showinformation = get_object_or_404(ShowInformation, slug=self.request.GET['showinformation'])
+            context['timeslots'] = timeslots.filter(show__showinformation=showinformation)
+        elif 'showtopic' in self.request.GET:
+            showtopic = get_object_or_404(ShowTopic, slug=self.request.GET['showtopic'])
+            context['showtopic'] = timeslots.filter(show__showtopic=showtopic)
+        else:
+            context['timeslots'] = timeslots
+        return context
+
+
+class CurrentShowBoxView(TemplateView):
+    context_object_name = 'recommendation_list'
+    template_name = 'boxes/current.html'
+
+    def get_context_data(self, **kwargs):
+        current_timeslot = TimeSlot.objects.get_or_create_current()
+        previuos_timeslot = current_timeslot.get_previous_by_start()
+        next_timeslot = current_timeslot.get_next_by_start()
+        after_next_timeslot = next_timeslot.get_next_by_start()
+
+        context = super(CurrentShowBoxView, self).get_context_data(**kwargs)
+        context['current_timeslot'] = current_timeslot
+        context['previuos_timeslot'] = previuos_timeslot
+        context['next_timeslot'] = next_timeslot
+        context['after_next_timeslot'] = after_next_timeslot
+        return context
+
+
+class WeekScheduleView(TemplateView):
+    template_name = 'week_schedule.html'
+
+    def get_context_data(self, **kwargs):
+        year = self.kwargs.get('year', None)
+        week = self.kwargs.get('week', None)
+
+        if year is None and week is None:
+            year, week = datetime.now().strftime('%G__%V').split('__')
+
+        monday = tofirstdayinisoweek(int(year), int(week))
+        tuesday = monday + timedelta(days=1)
+        wednesday = monday + timedelta(days=2)
+        thursday = monday + timedelta(days=3)
+        friday = monday + timedelta(days=4)
+        saturday = monday + timedelta(days=5)
+        sunday = monday + timedelta(days=6)
+
+        context = super(WeekScheduleView, self).get_context_data()
+        context['monday'] = monday
+        context['tuesday'] = tuesday
+        context['wednesday'] = wednesday
+        context['thursday'] = thursday
+        context['friday'] = friday
+        context['saturday'] = saturday
+        context['sunday'] = sunday
+        context['default_show'] = Show.objects.get(pk=1)
+        context['monday_timeslots'] = TimeSlot.objects.get_day_timeslots(monday)
+        context['tuesday_timeslots'] = TimeSlot.objects.get_day_timeslots(tuesday)
+        context['wednesday_timeslots'] = TimeSlot.objects.get_day_timeslots(wednesday)
+        context['thursday_timeslots'] = TimeSlot.objects.get_day_timeslots(thursday)
+        context['friday_timeslots'] = TimeSlot.objects.get_day_timeslots(friday)
+        context['saturday_timeslots'] = TimeSlot.objects.get_day_timeslots(saturday)
+        context['sunday_timeslots'] = TimeSlot.objects.get_day_timeslots(sunday)
+        context['last_w'] = datetime.strftime(monday - timedelta(days=7), '%G/%V')
+        context['cur_w'] = datetime.strftime(monday, '%G/%V')
+        context['next_w1'] = datetime.strftime(monday + timedelta(days=7), '%G/%V')
+        context['next_w2'] = datetime.strftime(monday + timedelta(days=14), '%G/%V')
+        context['next_w3'] = datetime.strftime(monday + timedelta(days=21), '%G/%V')
+        context['next_w4'] = datetime.strftime(monday + timedelta(days=28), '%G/%V')
+        return context
 
 def week_schedule(request, year=None, week=None):
     if year is None and week is None:
@@ -143,17 +177,21 @@ def week_schedule(request, year=None, week=None):
     extra_context['next_w3'] = datetime.strftime(monday + timedelta(days=21), '%G/%V')
     extra_context['next_w4'] = datetime.strftime(monday + timedelta(days=28), '%G/%V')
 
-    return TemplateView.as_view(request, template='week_schedule.html', extra_context=extra_context)
+    return TemplateView.as_view(template='week_schedule.html', extra_context=extra_context)(request)
+
 
 
-def styles(request):
-    extra_context = dict()
-    extra_context['broadcastformats'] = BroadcastFormat.objects.filter(enabled=True)
-    extra_context['musicfocus'] = MusicFocus.objects.all()
-    extra_context['showinformation'] = ShowInformation.objects.all()
-    extra_context['showtopic'] = ShowTopic.objects.all()
+class StylesView(TemplateView):
+    template_name = 'styles.css'
+    content_type = 'text/css'
 
-    return TemplateView.as_view(request, template='styles.css', mimetype='text/css', extra_context=extra_context)
+    def get_context_data(self, **kwargs):
+        context = super(StylesView, self).get_context_data(**kwargs)
+        context['broadcastformats'] = BroadcastFormat.objects.filter(enabled=True)
+        context['musicfocus'] = MusicFocus.objects.all()
+        context['showinformation'] = ShowInformation.objects.all()
+        context['showtopic'] = ShowTopic.objects.all()
+        return context
 
 
 def json_day_schedule(request, year=None, month=None, day=None):
@@ -173,11 +211,3 @@ def json_day_schedule(request, year=None, month=None, day=None):
             schedule.append((ts.start.strftime('%H:%M:%S'), ts.programslot.show.name, -1))
 
     return HttpResponse(json.dumps(schedule, ensure_ascii=False, encoding='utf8').encode('utf8'), content_type="application/json; charset=utf-8")
-
-
-def tofirstdayinisoweek(year, week):
-    # http://stackoverflow.com/questions/5882405/get-date-from-iso-week-number-in-python
-    ret = datetime.strptime('%04d-%02d-1' % (year, week), '%Y-%W-%w')
-    if date(year, 1, 4).isoweekday() > 4:
-        ret -= timedelta(days=7)
-    return ret