+ slug = models.SlugField(max_length=100)
+ description = models.TextField(blank=True)
+ events = models.ManyToManyField(Event, related_name='calendars', blank=True)
+
+ site = models.ForeignKey(Site, default=DEFAULT_SITE)
+ language = models.CharField(max_length=5, choices=settings.LANGUAGES, default=DEFAULT_LANGUAGE)
+
+ def __unicode__(self):
+ return self.name
+
+ @property
+ def fpi(self):
+ # See http://xml.coverpages.org/tauber-fpi.html or ISO 9070:1991 for format information.
+ return "-//%s//%s//%s" % (self.site.name, self.name, self.language.split('-')[0].upper())
+
+ class Meta:
+ unique_together = ('name', 'site', 'language')
+
+
+class CalendarView(FeedView):
+ calendar = models.ForeignKey(Calendar)
+ index_page = models.ForeignKey(Page, related_name="calendar_index_related")
+ event_detail_page = models.ForeignKey(Page, related_name="calendar_detail_related")
+
+ timespan_page = models.ForeignKey(Page, related_name="calendar_timespan_related", blank=True, null=True)
+ tag_page = models.ForeignKey(Page, related_name="calendar_tag_related", blank=True, null=True)
+ location_page = models.ForeignKey(Page, related_name="calendar_location_related", blank=True, null=True)
+ owner_page = models.ForeignKey(Page, related_name="calendar_owner_related", blank=True, null=True)
+
+ tag_archive_page = models.ForeignKey(Page, related_name="calendar_tag_archive_related", blank=True, null=True)
+ location_archive_page = models.ForeignKey(Page, related_name="calendar_location_archive_related", blank=True, null=True)
+ owner_archive_page = models.ForeignKey(Page, related_name="calendar_owner_archive_related", blank=True, null=True)
+
+ tag_permalink_base = models.CharField(max_length=30, default='tags')
+ owner_permalink_base = models.CharField(max_length=30, default='owners')
+ location_permalink_base = models.CharField(max_length=30, default='locations')
+ events_per_page = models.PositiveIntegerField(blank=True, null=True)
+
+ item_context_var = "events"
+ object_attr = "calendar"
+
+ def get_reverse_params(self, obj):
+ if isinstance(obj, User):
+ return 'events_for_user', [], {'username': obj.username}
+ elif isinstance(obj, Event):
+ return 'event_detail', [], {
+ 'year': str(obj.start_date.year).zfill(4),
+ 'month': str(obj.start_date.month).zfill(2),
+ 'day': str(obj.start_date.day).zfill(2),
+ 'slug': obj.slug
+ }
+ elif isinstance(obj, Tag) or isinstance(obj, models.query.QuerySet) and obj.model == Tag:
+ if isinstance(obj, Tag):
+ obj = [obj]
+ return 'entries_by_tag', [], {'tag_slugs': '/'.join(obj)}
+ raise ViewCanNotProvideSubpath
+
+ def timespan_patterns(self, pattern, timespan_name):
+ return self.feed_patterns(pattern, 'get_events_by_timespan', 'timespan_page', "events_by_%s" % timespan_name)
+
+ @property
+ def urlpatterns(self):
+ # Perhaps timespans should be done with GET parameters? Or two /-separated
+ # date slugs? (e.g. 2010-02-1/2010-02-2) or a start and duration?
+ # (e.g. 2010-02-01/week/ or ?d=2010-02-01&l=week)
+ urlpatterns = self.feed_patterns(r'^', 'get_all_events', 'index_page', 'index') + \
+ self.timespan_patterns(r'^(?P<year>\d{4})', 'year') + \
+ self.timespan_patterns(r'^(?P<year>\d{4})/(?P<month>\d{2})', 'month') + \
+ self.timespan_patterns(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})', 'day') + \
+ self.feed_patterns(r'^%s/(?P<username>[^/]+)' % self.owner_permalink_base, 'get_events_by_owner', 'owner_page', 'events_by_user') + \
+ self.feed_patterns(r'^%s/(?P<app_label>\w+)/(?P<model>\w+)/(?P<pk>[^/]+)' % self.location_permalink_base, 'get_events_by_location', 'location_page', 'events_by_location') + \
+ self.feed_patterns(r'^%s/(?P<tag_slugs>[-\w]+[-+/\w]*)' % self.tag_permalink_base, 'get_events_by_tag', 'tag_page', 'events_by_tag') + \
+ patterns('',
+ url(r'(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/(?P<slug>[\w-]+)$', self.event_detail_view, name="event_detail"),
+ )
+
+ # Some sort of shortcut for a location would be useful. This could be on a per-calendar
+ # or per-calendar-view basis.
+ #url(r'^%s/(?P<slug>[\w-]+)' % self.location_permalink_base, ...)
+
+ if self.tag_archive_page:
+ urlpatterns += patterns('',
+ url(r'^%s$' % self.tag_permalink_base, self.tag_archive_view, name='tag_archive')
+ )
+
+ if self.owner_archive_page:
+ urlpatterns += patterns('',
+ url(r'^%s$' % self.owner_permalink_base, self.owner_archive_view, name='owner_archive')
+ )
+
+ if self.location_archive_page:
+ urlpatterns += patterns('',
+ url(r'^%s$' % self.location_permalink_base, self.location_archive_view, name='location_archive')
+ )
+ return urlpatterns
+
+ # Basic QuerySet fetchers.
+ def get_event_queryset(self):
+ return self.calendar.events.all()
+
+ def get_timespan_queryset(self, year, month=None, day=None):
+ qs = self.get_event_queryset()
+ # See python documentation for the min/max values.
+ if year and month and day:
+ year, month, day = int(year), int(month), int(day)
+ start_datetime = datetime.datetime(year, month, day, 0, 0)
+ end_datetime = datetime.datetime(year, month, day, 23, 59)
+ elif year and month:
+ year, month = int(year), int(month)
+ start_datetime = datetime.datetime(year, month, 1, 0, 0)
+ end_datetime = datetime.datetime(year, month, calendar.monthrange(year, month)[1], 23, 59)
+ else:
+ year = int(year)
+ start_datetime = datetime.datetime(year, 1, 1, 0, 0)
+ end_datetime = datetime.datetime(year, 12, 31, 23, 59)
+
+ return qs.exclude(end_date__lt=start_datetime, end_time__lt=start_datetime).exclude(start_date__gt=end_datetime, start_time__gt=end_datetime, start_time__isnull=False).exclude(start_time__isnull=True, start_date__gt=end_datetime)
+
+ def get_tag_queryset(self):
+ return Tag.objects.filter(events__calendars=self.calendar).distinct()
+
+ def get_location_querysets(self):
+ # Potential bottleneck?
+ location_map = {}
+ locations = Event.objects.values_list('location_content_type', 'location_pk')
+
+ for ct, pk in locations:
+ location_map.setdefault(ct, []).append(pk)
+
+ location_cts = ContentType.objects.in_bulk(location_map.keys())
+ location_querysets = {}
+
+ for ct_pk, pks in location_map.items():
+ ct = location_cts[ct_pk]
+ location_querysets[ct] = ct.model_class()._default_manager.filter(pk__in=pks)
+
+ return location_querysets
+
+ def get_owner_queryset(self):
+ return User.objects.filter(owned_events__calendars=self.calendar).distinct()
+
+ # Event QuerySet parsers for a request/args/kwargs
+ def get_all_events(self, request, extra_context=None):
+ return self.get_event_queryset(), extra_context
+
+ def get_events_by_timespan(self, request, year, month=None, day=None, extra_context=None):
+ context = extra_context or {}
+ context.update({
+ 'year': year,
+ 'month': month,
+ 'day': day
+ })
+ return self.get_timespan_queryset(year, month, day), context
+
+ def get_events_by_owner(self, request, username, extra_context=None):
+ try:
+ owner = self.get_owner_queryset().get(username=username)
+ except User.DoesNotExist:
+ raise Http404
+
+ qs = self.get_event_queryset().filter(owner=owner)
+ context = extra_context or {}
+ context.update({
+ 'owner': owner
+ })
+ return qs, context
+
+ def get_events_by_tag(self, request, tag_slugs, extra_context=None):
+ tag_slugs = tag_slugs.replace('+', '/').split('/')
+ tags = self.get_tag_queryset().filter(slug__in=tag_slugs)
+
+ if not tags:
+ raise Http404
+
+ # Raise a 404 on an incorrect slug.
+ found_slugs = [tag.slug for tag in tags]
+ for slug in tag_slugs:
+ if slug and slug not in found_slugs:
+ raise Http404
+
+ events = self.get_event_queryset()
+ for tag in tags:
+ events = events.filter(tags=tag)
+
+ context = extra_context or {}
+ context.update({'tags': tags})
+
+ return events, context
+
+ def get_events_by_location(self, request, app_label, model, pk, extra_context=None):
+ try:
+ ct = ContentType.objects.get(app_label=app_label, model=model)
+ location = ct.model_class()._default_manager.get(pk=pk)
+ except ObjectDoesNotExist:
+ raise Http404
+
+ events = self.get_event_queryset().filter(location_content_type=ct, location_pk=location.pk)
+
+ context = extra_context or {}
+ context.update({
+ 'location': location
+ })
+ return events, context
+
+ # Detail View.
+ def event_detail_view(self, request, year, month, day, slug, extra_context=None):
+ try:
+ event = Event.objects.select_related('parent_event').get(start_date__year=year, start_date__month=month, start_date__day=day, slug=slug)
+ except Event.DoesNotExist:
+ raise Http404
+
+ context = self.get_context()
+ context.update(extra_context or {})
+ context.update({
+ 'event': event
+ })
+ return self.event_detail_page.render_to_response(request, extra_context=context)
+
+ # Archive Views.
+ def tag_archive_view(self, request, extra_context=None):
+ tags = self.get_tag_queryset()
+ context = self.get_context()
+ context.update(extra_context or {})
+ context.update({
+ 'tags': tags
+ })
+ return self.tag_archive_page.render_to_response(request, extra_context=context)
git.ithinksw.org / philo.git / blobdiff