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