symposion_app/vendor/symposion/schedule/models.py
2018-12-29 13:36:13 +13:00

335 lines
10 KiB
Python

import datetime
from django.core.exceptions import ObjectDoesNotExist
from django.contrib.auth.models import User
from django.db import models
from django.utils.translation import ugettext_lazy as _
from symposion.managers import DefaultSelectRelatedManager
from symposion.text_parser import parse
from symposion.proposals.models import ProposalBase
from symposion.conference.models import Section
from symposion.speakers.models import Speaker
class Schedule(models.Model):
objects = DefaultSelectRelatedManager()
section = models.OneToOneField(Section, verbose_name=_("Section"))
published = models.BooleanField(default=True, verbose_name=_("Published"))
hidden = models.BooleanField(_("Hide schedule from overall conference view"), default=False)
def __str__(self):
return "%s Schedule" % self.section
class SymposionMeta:
select_related = ('section', )
class Meta:
ordering = ["section"]
verbose_name = _('Schedule')
verbose_name_plural = _('Schedules')
class Day(models.Model):
objects = DefaultSelectRelatedManager()
schedule = models.ForeignKey(Schedule, verbose_name=_("Schedule"))
date = models.DateField(verbose_name=_("Date"))
def __str__(self):
return "%s: %s" % (self.schedule.section.name, self.date)
class SymposionMeta:
select_related = ('schedule__section', )
class Meta:
unique_together = [("schedule", "date")]
ordering = ["date"]
verbose_name = _("date")
verbose_name_plural = _("dates")
class Room(models.Model):
schedule = models.ForeignKey(Schedule, verbose_name=_("Schedule"))
name = models.CharField(max_length=65, verbose_name=_("Name"))
order = models.PositiveIntegerField(verbose_name=_("Order"))
def __unicode__(self):
return self.name
def __str__(self):
return self.name
class Meta:
verbose_name = _("Room")
verbose_name_plural = _("Rooms")
class Track(models.Model):
name = models.CharField(max_length=80, verbose_name=_("Track"))
room = models.ForeignKey(Room)
day = models.ForeignKey(Day)
def __str__(self):
return self.name
class Meta:
unique_together = [('room', 'day')]
verbose_name = _("Track")
verbose_name_plural = _("Tracks")
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, verbose_name=_("schedule"))
label = models.CharField(max_length=50, verbose_name=_("Label"))
def __str__(self):
return ": ".join((self.schedule.section.name, self.label))
class Meta:
verbose_name = _("Slot kind")
verbose_name_plural = _("Slot kinds")
class Slot(models.Model):
objects = DefaultSelectRelatedManager()
name = models.CharField(max_length=512, editable=False)
day = models.ForeignKey(Day, verbose_name=_("Day"))
kind = models.ForeignKey(SlotKind, verbose_name=_("Kind"))
start = models.TimeField(verbose_name=_("Start"))
end = models.TimeField(verbose_name=_("End"))
exclusive = models.BooleanField(
default=False,
help_text=_("Set to true if this is the only event during this "
"timeslot"),
)
content_override = models.TextField(blank=True, verbose_name=_("Content override"))
content_override_html = models.TextField(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 save(self, *args, **kwargs):
roomlist = ' '.join(map(str, self.rooms))
self.name = "%s %s (%s - %s) %s" % (self.day, self.kind, self.start, self.end, roomlist)
self.content_override_html = parse(self.content_override)
super(Slot, self).save(*args, **kwargs)
def __str__(self):
return "%s: %s" % (self.kind.schedule.section.name, self.name)
class SymposionMeta:
select_related = ('kind__schedule__section', 'day')
class Meta:
ordering = ["day", "start", "end"]
verbose_name = _("slot")
verbose_name_plural = _("slots")
class SlotRoom(models.Model):
"""
Links a slot with a room.
"""
slot = models.ForeignKey(Slot, verbose_name=_("Slot"))
room = models.ForeignKey(Room, verbose_name=_("Room"))
def __str__(self):
return "%s %s" % (self.room, self.slot)
class Meta:
unique_together = [("slot", "room")]
ordering = ["slot", "room__order"]
verbose_name = _("Slot room")
verbose_name_plural = _("Slot rooms")
class Presentation(models.Model):
objects = DefaultSelectRelatedManager()
slot = models.OneToOneField(Slot, null=True, blank=True, related_name="content_ptr", verbose_name=_("Slot"))
title = models.CharField(max_length=100, verbose_name=_("Title"))
abstract = models.TextField(verbose_name=_("Abstract"))
abstract_html = models.TextField(blank=True)
speaker = models.ForeignKey(Speaker, related_name="presentations", verbose_name=_("Speaker"))
additional_speakers = models.ManyToManyField(Speaker, related_name="copresentations",
blank=True, verbose_name=_("Additional speakers"))
unpublish = models.BooleanField(
default=False,
verbose_name=_("Do not publish"),
)
cancelled = models.BooleanField(default=False, verbose_name=_("Cancelled"))
proposal_base = models.OneToOneField(ProposalBase, related_name="presentation", verbose_name=_("Proposal base"))
section = models.ForeignKey(Section, related_name="presentations", verbose_name=_("Section"))
def save(self, *args, **kwargs):
self.abstract_html = parse(self.abstract)
return super(Presentation, self).save(*args, **kwargs)
@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 __str__(self):
return "#%s %s (%s)" % (self.number, self.title, self.speaker)
class Meta:
ordering = ["slot"]
verbose_name = _("presentation")
verbose_name_plural = _("presentations")
class Session(models.Model):
day = models.ForeignKey(Day, related_name="sessions", verbose_name=_("Day"))
slots = models.ManyToManyField(Slot, related_name="sessions", verbose_name=_("Slots"))
def sorted_slots(self):
return self.slots.order_by("start")
def start(self):
slots = self.sorted_slots()
if slots:
return list(slots)[0].start
else:
return None
def end(self):
slots = self.sorted_slots()
if slots:
return list(slots)[-1].end
else:
return None
def chair(self):
for role in self.sessionrole_set.all():
if role.role == SessionRole.SESSION_ROLE_CHAIR:
return role
return None
@property
def rooms(self):
return Room.objects.filter(slotroom__slot__in=self.slots.all()).distinct()
@property
def room_names(self):
return ', '.join(room.name for room in self.rooms)
def __str__(self):
start = self.start()
end = self.end()
rooms = ', '.join(room.name for room in self.rooms)
if start and end:
return "%s: %s - %s in %s" % (
self.day.date.strftime("%a"),
start.strftime("%X"),
end.strftime("%X"),
rooms
)
return ""
class Meta:
verbose_name = _("Session")
verbose_name_plural = _("Sessions")
class SessionRole(models.Model):
SESSION_ROLE_CHAIR = 1
SESSION_ROLE_RUNNER = 2
SESSION_ROLE_TYPES = [
(SESSION_ROLE_CHAIR, _("Session Chair")),
(SESSION_ROLE_RUNNER, _("Session Runner")),
]
session = models.ForeignKey(Session, verbose_name=_("Session"))
user = models.ForeignKey(User, verbose_name=_("User"))
role = models.IntegerField(choices=SESSION_ROLE_TYPES, verbose_name=_("Role"))
status = models.NullBooleanField(verbose_name=_("Status"))
submitted = models.DateTimeField(default=datetime.datetime.now)
class Meta:
unique_together = [("session", "user", "role")]
verbose_name = _("Session role")
verbose_name_plural = _("Session roles")
def __str__(self):
return "%s %s: %s" % (self.user, self.session,
self.SESSION_ROLE_TYPES[self.role - 1][1])