symposion_app/symposion/schedule/models.py
2014-12-18 08:19:01 -06:00

182 lines
4.7 KiB
Python

import datetime
from django.core.exceptions import ObjectDoesNotExist
from django.db import models
from markitup.fields import MarkupField
from symposion.proposals.models import ProposalBase
from symposion.conference.models import Section
from symposion.speakers.models import Speaker
class Schedule(models.Model):
section = models.OneToOneField(Section)
published = models.BooleanField(default=True)
hidden = models.BooleanField("Hide schedule from overall conference view", default=False)
def __unicode__(self):
return "%s Schedule" % self.section
class Meta:
ordering = ["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")]
ordering = ["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(blank=True)
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.
"""
content = self.content
if content and content.slot_id:
content.slot = None
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 start_datetime(self):
return datetime.datetime(
self.day.date.year,
self.day.date.month,
self.day.date.day,
self.start.hour,
self.start.minute)
@property
def end_datetime(self):
return datetime.datetime(
self.day.date.year,
self.day.date.month,
self.day.date.day,
self.end.hour,
self.end.minute)
@property
def length_in_minutes(self):
return int(
(self.end_datetime - self.start_datetime).total_seconds() / 60)
@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 Meta:
ordering = ["day", "start", "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")]
ordering = ["slot", "room__order"]
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(Speaker, related_name="presentations")
additional_speakers = models.ManyToManyField(Speaker, related_name="copresentations",
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():
if speaker.user:
yield speaker
def __unicode__(self):
return "#%s %s (%s)" % (self.number, self.title, self.speaker)
class Meta:
ordering = ["slot"]