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Location: symposion_app/symposion/schedule/models.py - annotation
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from django.db import models
from markitup.fields import MarkupField
from model_utils.managers import InheritanceManager
from symposion.proposals.models import ProposalBase
from symposion.conference.models import Section
class Schedule(models.Model):
section = models.OneToOneField(Section)
def __unicode__(self):
return "%s Schedule" % self.section
class Day(models.Model):
schedule = models.ForeignKey(Schedule)
date = models.DateField()
def __unicode__(self):
return "%s" % self.date
class Meta:
unique_together = [("schedule", "date")]
class Room(models.Model):
schedule = models.ForeignKey(Schedule)
name = models.CharField(max_length=65)
order = models.PositiveIntegerField()
def __unicode__(self):
return self.name
class SlotKind(models.Model):
"""
A slot kind represents what kind a slot is. For example, a slot can be a
break, lunch, or X-minute talk.
"""
schedule = models.ForeignKey(Schedule)
label = models.CharField(max_length=50)
def __unicode__(self):
return self.label
class Slot(models.Model):
day = models.ForeignKey(Day)
kind = models.ForeignKey(SlotKind)
start = models.TimeField()
end = models.TimeField()
content_override = MarkupField()
def assign(self, content):
"""
Assign the given content to this slot and if a previous slot content
was given we need to unlink it to avoid integrity errors.
"""
self.unassign()
content.slot = self
content.save()
def unassign(self):
"""
Unassign the associated content with this slot.
"""
if self.content and self.content.slot_id:
self.content.slot = None
self.content.save()
@property
def content(self):
"""
Return the content this slot represents.
@@@ hard-coded for presentation for now
"""
try:
return self.content_ptr
except ObjectDoesNotExist:
return None
@property
def rooms(self):
return Room.objects.filter(pk__in=self.slotroom_set.values("room"))
def __unicode__(self):
return "%s %s (%s - %s)" % (self.day, self.kind, self.start, self.end)
class SlotRoom(models.Model):
"""
Links a slot with a room.
"""
slot = models.ForeignKey(Slot)
room = models.ForeignKey(Room)
def __unicode__(self):
return "%s %s" % (self.room, self.slot)
class Meta:
unique_together = [("slot", "room")]
class Presentation(models.Model):
slot = models.OneToOneField(Slot, null=True, blank=True, related_name="content_ptr")
title = models.CharField(max_length=100)
description = MarkupField()
abstract = MarkupField()
speaker = models.ForeignKey("speakers.Speaker", related_name="presentations")
additional_speakers = models.ManyToManyField("speakers.Speaker", blank=True)
cancelled = models.BooleanField(default=False)
proposal_base = models.OneToOneField(ProposalBase, related_name="presentation")
section = models.ForeignKey(Section, related_name="presentations")
@property
def number(self):
return self.proposal.number
@property
def proposal(self):
if self.proposal_base_id is None:
return None
return ProposalBase.objects.get_subclass(pk=self.proposal_base_id)
def speakers(self):
yield self.speaker
for speaker in self.additional_speakers.all():
yield speaker
def __unicode__(self):
return "#%s %s (%s)" % (self.number, self.title, self.speaker)
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