+++ /dev/null
-from django.conf import settings
-from django.conf.urls.defaults import url, patterns, include
-from django.contrib.auth.models import User
-from django.contrib.contenttypes.generic import GenericForeignKey
-from django.contrib.contenttypes.models import ContentType
-from django.core.exceptions import ValidationError, ObjectDoesNotExist
-from django.core.validators import RegexValidator
-from django.db import models
-from django.http import HttpResponse, Http404
-from django.utils.encoding import force_unicode
-from philo.contrib.julian.feedgenerator import ICalendarFeed
-from philo.contrib.penfield.models import FeedView, FEEDS
-from philo.exceptions import ViewCanNotProvideSubpath
-from philo.models import Tag, Entity, Page, TemplateField
-from philo.utils import ContentTypeRegistryLimiter
-import re, datetime, calendar
-
-
-# TODO: Could this regex more closely match the Formal Public Identifier spec?
-# http://xml.coverpages.org/tauber-fpi.html
-FPI_REGEX = re.compile(r"(|\+//|-//)[^/]+//[^/]+//[A-Z]{2}")
-
-
-ICALENDAR = ICalendarFeed.mime_type
-FEEDS[ICALENDAR] = ICalendarFeed
-
-
-location_content_type_limiter = ContentTypeRegistryLimiter()
-
-
-def register_location_model(model):
- location_content_type_limiter.register_class(model)
-
-
-def unregister_location_model(model):
- location_content_type_limiter.unregister_class(model)
-
-
-class Location(Entity):
- name = models.CharField(max_length=255)
- slug = models.SlugField(max_length=255, unique=True)
-
- def __unicode__(self):
- return self.name
-
-
-register_location_model(Location)
-
-
-class TimedModel(models.Model):
- start_date = models.DateField(help_text="YYYY-MM-DD")
- start_time = models.TimeField(blank=True, null=True, help_text="HH:MM:SS - 24 hour clock")
- end_date = models.DateField()
- end_time = models.TimeField(blank=True, null=True)
-
- def is_all_day(self):
- return self.start_time is None and self.end_time is None
-
- def clean(self):
- if bool(self.start_time) != bool(self.end_time):
- raise ValidationError("A %s must have either a start time and an end time or neither.")
-
- if self.start_date > self.end_date or self.start_date == self.end_date and self.start_time > self.end_time:
- raise ValidationError("A %s cannot end before it starts." % self.__class__.__name__)
-
- def get_start(self):
- return self.start_date
-
- def get_end(self):
- return self.end_date
-
- class Meta:
- abstract = True
-
-
-class Event(Entity, TimedModel):
- name = models.CharField(max_length=255)
- slug = models.SlugField(max_length=255, unique_for_date='start_date')
-
- location_content_type = models.ForeignKey(ContentType, limit_choices_to=location_content_type_limiter, blank=True, null=True)
- location_pk = models.TextField(blank=True)
- location = GenericForeignKey('location_content_type', 'location_pk')
-
- description = TemplateField()
-
- tags = models.ManyToManyField(Tag, related_name='events', blank=True, null=True)
-
- parent_event = models.ForeignKey('self', blank=True, null=True)
-
- # TODO: "User module"
- owner = models.ForeignKey(User, related_name='owned_events')
-
- created = models.DateTimeField(auto_now_add=True)
- last_modified = models.DateTimeField(auto_now=True)
- uuid = models.TextField() # Format?
-
- def __unicode__(self):
- return self.name
-
-
-class Calendar(Entity):
- name = models.CharField(max_length=100)
- slug = models.SlugField(max_length=100)
- description = models.TextField(blank=True)
- events = models.ManyToManyField(Event, related_name='calendars')
-
- # TODO: Can we auto-generate this on save based on site id and calendar name and settings language?
- uuid = models.TextField("Calendar UUID", unique=True, help_text="Should conform to Formal Public Identifier format. See <a href='http://en.wikipedia.org/wiki/Formal_Public_Identifier'>Wikipedia</a>.", validators=[RegexValidator(FPI_REGEX)])
-
- def __unicode__(self):
- return self.name
-
-
-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)
-
- def location_archive_view(self, request, extra_context=None):
- # What datastructure should locations be?
- locations = self.get_location_querysets()
- context = self.get_context()
- context.update(extra_context or {})
- context.update({
- 'locations': locations
- })
- return self.location_archive_page.render_to_response(request, extra_context=context)
-
- def owner_archive_view(self, request, extra_context=None):
- owners = self.get_owner_queryset()
- context = self.get_context()
- context.update(extra_context or {})
- context.update({
- 'owners': owners
- })
- return self.owner_archive_page.render_to_response(request, extra_context=context)
-
- # Process page items
- def process_page_items(self, request, items):
- if self.events_per_page:
- page_num = request.GET.get('page', 1)
- paginator, paginated_page, items = paginate(items, self.events_per_page, page_num)
- item_context = {
- 'paginator': paginator,
- 'paginated_page': paginated_page,
- self.item_context_var: items
- }
- else:
- item_context = {
- self.item_context_var: items
- }
- return items, item_context
-
- # Feed information hooks
- def title(self, obj):
- return obj.name
-
- def link(self, obj):
- # Link is ignored anyway...
- return ""
-
- def feed_guid(self, obj):
- # Is this correct? Should I have a different id for different subfeeds?
- return obj.uuid
-
- def description(self, obj):
- return obj.description
-
- def feed_extra_kwargs(self, obj):
- return {'filename': "%s.ics" % obj.slug}
-
- def item_title(self, item):
- return item.name
-
- def item_description(self, item):
- return item.description
-
- def item_link(self, item):
- return self.reverse(item)
-
- def item_guid(self, item):
- return item.uuid
-
- def item_author_name(self, item):
- if item.owner:
- return item.owner.get_full_name()
-
- def item_author_email(self, item):
- return getattr(item.owner, 'email', None) or None
-
- def item_pubdate(self, item):
- return item.created
-
- def item_categories(self, item):
- return [tag.name for tag in item.tags.all()]
-
- def item_extra_kwargs(self, item):
- return {
- 'start': item.get_start(),
- 'end': item.get_end(),
- 'last_modified': item.last_modified,
- # Is forcing unicode enough, or should we look for a "custom method"?
- 'location': force_unicode(item.location),
- }
-
- def __unicode__(self):
- return u"%s for %s" % (self.__class__.__name__, self.calendar)
-
-field = CalendarView._meta.get_field('feed_type')
-field._choices += ((ICALENDAR, 'iCalendar'),)
-field.default = ICALENDAR
\ No newline at end of file
git.ithinksw.org / philo.git / blobdiff