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Updates to gilbert. Reorganizing imports and removing support for python < 2.5.4.
[philo.git] / contrib / julian / models.py
diff --git a/contrib/julian/models.py b/contrib/julian/models.py
index 14a0b17..5dea7a3 100644 (file)
--- a/contrib/julian/models.py
+++ b/contrib/julian/models.py
@@ -3,9 +3,11 @@ 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.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.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 django.http import HttpResponse, Http404
 from django.utils.encoding import force_unicode
 from philo.contrib.julian.feedgenerator import ICalendarFeed
@@ -13,16 +15,29 @@ 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
 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
 
 
 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()
 
 
 location_content_type_limiter = ContentTypeRegistryLimiter()
@@ -73,6 +88,20 @@ class TimedModel(models.Model):
                abstract = True
 
 
                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='start_date')
 class Event(Entity, TimedModel):
        name = models.CharField(max_length=255)
        slug = models.SlugField(max_length=255, unique_for_date='start_date')
@@ -92,23 +121,41 @@ class Event(Entity, TimedModel):
        
        created = models.DateTimeField(auto_now_add=True)
        last_modified = models.DateTimeField(auto_now=True)
        
        created = models.DateTimeField(auto_now_add=True)
        last_modified = models.DateTimeField(auto_now=True)
-       uuid = models.TextField() # Format?
+       
+       site = models.ForeignKey(Site, default=DEFAULT_SITE)
+       
+       @property
+       def uuid(self):
+               return "%s@%s" % (self.created.isoformat(), getattr(self.site, 'domain', 'None'))
+       
+       objects = EventManager()
        
        def __unicode__(self):
                return self.name
        
        def __unicode__(self):
                return self.name
+       
+       class Meta:
+               unique_together = ('site', 'created')
 
 
 class Calendar(Entity):
        name = models.CharField(max_length=100)
        slug = models.SlugField(max_length=100)
        description = models.TextField(blank=True)
 
 
 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')
+       events = models.ManyToManyField(Event, related_name='calendars', blank=True)
        
        
-       # 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)])
+       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
        
        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):
 
 
 class CalendarView(FeedView):
@@ -149,35 +196,28 @@ class CalendarView(FeedView):
                        return 'entries_by_tag', [], {'tag_slugs': '/'.join(obj)}
                raise ViewCanNotProvideSubpath
        
                        return 'entries_by_tag', [], {'tag_slugs': '/'.join(obj)}
                raise ViewCanNotProvideSubpath
        
-       def timespan_patterns(self, timespan_name):
-               return self.feed_patterns('get_events_by_timespan', 'timespan_page', "events_by_%s" % timespan_name)
+       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):
        
        @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_owner', '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, ...)
                        
                        # 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('',
                
                if self.tag_archive_page:
                        urlpatterns += patterns('',
@@ -371,8 +411,7 @@ class CalendarView(FeedView):
                return ""
        
        def feed_guid(self, obj):
                return ""
        
        def feed_guid(self, obj):
-               # Is this correct? Should I have a different id for different subfeeds?
-               return obj.uuid
+               return obj.fpi
        
        def description(self, obj):
                return obj.description
        
        def description(self, obj):
                return obj.description
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