from django.contrib.auth.models import User
from django.contrib.contenttypes.generic import GenericForeignKey
from django.contrib.contenttypes.models import ContentType
+from django.contrib.sites.models import Site
from django.core.exceptions import ValidationError, ObjectDoesNotExist
from django.core.validators import RegexValidator
from django.db import models
+from django.db.models.query import QuerySet
from django.http import HttpResponse, Http404
from django.utils.encoding import force_unicode
from philo.contrib.julian.feedgenerator import ICalendarFeed
from philo.exceptions import ViewCanNotProvideSubpath
from philo.models import Tag, Entity, Page, TemplateField
from philo.utils import ContentTypeRegistryLimiter
-import re, datetime, calendar
+import 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}")
+__all__ = ('register_location_model', 'unregister_location_model', 'Location', 'TimedModel', 'Event', 'Calendar', 'CalendarView',)
ICALENDAR = ICalendarFeed.mime_type
FEEDS[ICALENDAR] = ICalendarFeed
+try:
+ DEFAULT_SITE = Site.objects.get_current()
+except:
+ DEFAULT_SITE = None
+_languages = dict(settings.LANGUAGES)
+try:
+ _languages[settings.LANGUAGE_CODE]
+ DEFAULT_LANGUAGE = settings.LANGUAGE_CODE
+except KeyError:
+ try:
+ lang = settings.LANGUAGE_CODE.split('-')[0]
+ _languages[lang]
+ DEFAULT_LANGUAGE = lang
+ except KeyError:
+ DEFAULT_LANGUAGE = None
location_content_type_limiter = ContentTypeRegistryLimiter()
abstract = True
+class EventManager(models.Manager):
+ def get_query_set(self):
+ return EventQuerySet(self.model)
+
+class EventQuerySet(QuerySet):
+ def upcoming(self):
+ return self.filter(start_date__gte=datetime.date.today())
+ def current(self):
+ return self.filter(start_date__lte=datetime.date.today(), end_date__gte=datetime.date.today())
+ def single_day(self):
+ return self.filter(start_date__exact=models.F('end_date'))
+ def multiday(self):
+ return self.exclude(start_date__exact=models.F('end_date'))
+
class Event(Entity, TimedModel):
name = models.CharField(max_length=255)
- slug = models.SlugField(max_length=255, unique_for_date='created')
+ 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)
parent_event = models.ForeignKey('self', blank=True, null=True)
# TODO: "User module"
- owner = models.ForeignKey(User)
+ 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?
+ objects = EventManager()
+
def __unicode__(self):
return self.name
name = models.CharField(max_length=100)
slug = models.SlugField(max_length=100)
description = models.TextField(blank=True)
- events = models.ManyToManyField(Event, related_name='calendars')
+ 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
- # 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 Meta:
+ unique_together = ('name', 'site', 'language')
class CalendarView(FeedView):
calendar = models.ForeignKey(Calendar)
index_page = models.ForeignKey(Page, related_name="calendar_index_related")
- timespan_page = models.ForeignKey(Page, related_name="calendar_timespan_related")
event_detail_page = models.ForeignKey(Page, related_name="calendar_detail_related")
- tag_page = models.ForeignKey(Page, related_name="calendar_tag_related")
- location_page = models.ForeignKey(Page, related_name="calendar_location_related")
- owner_page = models.ForeignKey(Page, related_name="calendar_owner_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='owner')
- location_permalink_base = models.CharField(max_length=30, default='location')
+ 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"
return 'events_for_user', [], {'username': obj.username}
elif isinstance(obj, Event):
return 'event_detail', [], {
- 'year': obj.start_date.year,
- 'month': obj.start_date.month,
- 'day': obj.start_date.day,
+ '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:
return 'entries_by_tag', [], {'tag_slugs': '/'.join(obj)}
raise ViewCanNotProvideSubpath
- def timespan_patterns(self, timespan_name):
- urlpatterns = patterns('',
- ) + self.feed_patterns('get_events_by_timespan', 'timespan_page', "events_by_%s" % timespan_name)
- return urlpatterns
+ 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):
- urlpatterns = patterns('',
- url(r'^', include(self.feed_patterns('get_all_events', 'index_page', 'index'))),
-
- url(r'^(?P<year>\d{4})', include(self.timespan_patterns('year'))),
- url(r'^(?P<year>\d{4})/(?P<month>\d{2})', include(self.timespan_patterns('month'))),
- url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})', include(self.timespan_patterns('day'))),
- #url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/(?P<hour>\d{1,2})', include(self.timespan_patterns('hour'))),
- url(r'(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/(?P<slug>[\w-]+)', self.event_detail_view, name="event_detail"),
-
- url(r'^%s/(?P<username>[^/]+)' % self.owner_permalink_base, include(self.feed_patterns('get_events_by_user', 'owner_page', 'events_by_user'))),
+ # 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-]+)$', self.event_detail_view, name="event_detail"),
+ )
# Some sort of shortcut for a location would be useful. This could be on a per-calendar
# or per-calendar-view basis.
#url(r'^%s/(?P<slug>[\w-]+)' % self.location_permalink_base, ...)
- url(r'^%s/(?P<app_label>\w+)/(?P<model>\w+)/(?P<pk>[^/]+)' % self.location_permalink_base, include(self.feed_patterns('get_events_by_location', 'location_page', 'events_by_location'))),
- )
-
- if self.feeds_enabled:
- urlpatterns += patterns('',
- url(r'^%s/(?P<tag_slugs>[-\w]+[-+/\w]*)/%s$' % (self.tag_permalink_base, self.feed_suffix), self.feed_view('get_events_by_tag', 'events_by_tag_feed'), name='events_by_tag_feed'),
- )
- urlpatterns += patterns('',
- url(r'^%s/(?P<tag_slugs>[-\w]+[-+/\w]*)$' % self.tag_permalink_base, self.page_view('get_events_by_tag', 'tag_page'), name='events_by_tag')
- )
if self.tag_archive_page:
urlpatterns += patterns('',
url(r'^%s$' % self.owner_permalink_base, self.owner_archive_view, name='owner_archive')
)
- if self.owner_archive_page:
+ 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()
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.time()).exclude(start_date__gt=end_datetime, start_time__gt=end_datetime.time(), start_time__isnull=False).exclude(start_time__isnull=True, start_date__gt=end_datetime.time())
+ 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__calendar=self.calendar).distinct()
+ return Tag.objects.filter(events__calendars=self.calendar).distinct()
- # Event fetchers.
+ 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
})
return self.get_timespan_queryset(year, month, day), context
- def get_events_by_user(self, request, username, extra_context=None):
+ def get_events_by_owner(self, request, username, extra_context=None):
try:
- user = User.objects.get(username)
+ owner = self.get_owner_queryset().get(username=username)
except User.DoesNotExist:
raise Http404
- qs = self.event_queryset().filter(owner=user)
+ qs = self.get_event_queryset().filter(owner=owner)
context = extra_context or {}
context.update({
- 'user': user
+ 'owner': owner
})
return qs, context
})
return events, context
- # Detail View. TODO: fill this out.
+ # Detail View.
def event_detail_view(self, request, year, month, day, slug, extra_context=None):
- pass
+ 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. TODO: fill these out.
+ # Archive Views.
def tag_archive_view(self, request, extra_context=None):
- pass
+ 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):
- pass
+ # 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):
- pass
+ 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):
def feed_guid(self, obj):
# Is this correct? Should I have a different id for different subfeeds?
- return obj.uuid
+ # See http://xml.coverpages.org/tauber-fpi.html for format.
+ return "-//%s//%s %s//%s" % (obj.site.name.upper(), self.feed_type.upper(), obj.name.upper(), obj.language.upper())
def description(self, obj):
return obj.description
git.ithinksw.org / philo.git / blobdiff