+++ /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
-from django.core.validators import RegexValidator
-from django.db import models
-from django.http import HttpResponse
-from django.utils.encoding import force_unicode
-from philo.contrib.julian.feedgenerator import ICalendarFeed
-from philo.contrib.penfield.models import FeedView, FEEDS
-from philo.models.base import Tag, Entity
-from philo.models.fields import TemplateField
-from philo.utils import ContentTypeRegistryLimiter
-import re
-
-
-# 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)
-
- 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)
-
- 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, blank=True, null=True)
-
- parent_event = models.ForeignKey('self', blank=True, null=True)
-
- owner = models.ForeignKey(getattr(settings, 'PHILO_PERSON_MODULE', 'auth.User'))
-
- created = models.DateTimeField(auto_now_add=True)
- last_modified = models.DateTimeField(auto_now=True)
- uuid = models.TextField() # Format?
-
-
-class Calendar(Entity):
- name = models.CharField(max_length=100)
- slug = models.SlugField(max_length=100)
- description = models.TextField(blank=True)
- #slug = models.SlugField(max_length=255, unique=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 <http://en.wikipedia.org/wiki/Formal_Public_Identifier>", validators=[RegexValidator(FPI_REGEX)])
-
-
-class ICalendarFeedView(FeedView):
- calendar = models.ForeignKey(Calendar)
-
- item_context_var = "events"
- object_attr = "calendar"
-
- def get_reverse_params(self, obj):
- return 'feed', [], {}
-
- @property
- def urlpatterns(self):
- return patterns('',
- url(r'^$', self.feed_view('get_all_events', 'feed'), name='feed')
- )
-
- def feed_view(self, get_items_attr, reverse_name):
- """
- Returns a view function that renders a list of items as a feed.
- """
- get_items = callable(get_items_attr) and get_items_attr or getattr(self, get_items_attr)
-
- def inner(request, extra_context=None, *args, **kwargs):
- obj = self.get_object(request, *args, **kwargs)
- feed = self.get_feed(obj, request, reverse_name)
- items, xxx = get_items(request, extra_context=extra_context, *args, **kwargs)
- self.populate_feed(feed, items, request)
-
- response = HttpResponse(mimetype=feed.mime_type)
- feed.write(response, 'utf-8')
-
- if FEEDS[self.feed_type] == ICalendarFeed:
- # Add some extra information to the response for iCalendar readers.
- # <http://blog.thescoop.org/archives/2007/07/31/django-ical-and-vobject/>
- # Also, __get_dynamic_attr is protected by python - mangled. Should it
- # just be private?
- filename = self._FeedView__get_dynamic_attr('filename', obj)
- response['Filename'] = filename
- response['Content-Disposition'] = 'attachment; filename=%s' % filename
- return response
-
- return inner
-
- def get_event_queryset(self):
- return self.calendar.events.all()
-
- def get_all_events(self, request, extra_context=None):
- return self.get_event_queryset(), extra_context
-
- def title(self, obj):
- return obj.name
-
- def link(self, obj):
- # Link is ignored anyway...
- return ""
-
- def filename(self, obj):
- return "%s.ics" % obj.slug
-
- 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
-
- # Would this be meaningful? I think it's just ignored anyway, for ical format.
- #def categories(self, obj):
- # event_ct = ContentType.objects.get_for_model(Event)
- # event_pks = obj.events.values_list('pk')
- # return [tag.name for tag in Tag.objects.filter(content_type=event_ct, object_id__in=event_pks)]
-
- 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),
- }
-
- class Meta:
- verbose_name = "iCalendar view"
-
-field = ICalendarFeedView._meta.get_field('feed_type')
-field._choices += ((ICALENDAR, 'iCalendar'),)
-field.default = ICALENDAR
\ No newline at end of file