X-Git-Url: http://git.ithinksw.org/philo.git/blobdiff_plain/785b59352880027f54ea0e81335d179eccee75f1..7e796853f50f6ea6d829b91bb05ebcfa4bb02822:/contrib/julian/models.py

diff --git a/contrib/julian/models.py b/contrib/julian/models.py
index 3ec97b0..5dea7a3 100644
--- 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.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
@@ -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
-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()
@@ -73,6 +88,20 @@ class TimedModel(models.Model):
 		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')
@@ -92,23 +121,41 @@ class Event(Entity, TimedModel):
 	
 	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
+	
+	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)
-	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
+	
+	@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):
@@ -364,8 +411,7 @@ class CalendarView(FeedView):
 		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