mirror of
https://github.com/ae-utbm/sith3.git
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122 lines
4.0 KiB
Python
122 lines
4.0 KiB
Python
from django.db import models
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from django.core import validators
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from django.conf import settings
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from django.utils.translation import ugettext_lazy as _
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from django.core.exceptions import ValidationError
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from django.db import IntegrityError, transaction
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from django.core.urlresolvers import reverse
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from django.utils import timezone
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from core.models import User, MetaGroup, Group, SithFile
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class Forum(models.Model):
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"""
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The Forum class, made as a tree to allow nice tidy organization
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"""
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name = models.CharField(_('name'), max_length=64)
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description = models.CharField(_('description'), max_length=256, default="")
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is_category = models.BooleanField(_('is a category'), default=False)
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parent = models.ForeignKey('Forum', related_name='children', null=True, blank=True)
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edit_groups = models.ManyToManyField(Group, related_name="editable_forums", blank=True,
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default=[settings.SITH_GROUP_OLD_SUBSCRIBERS_ID])
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view_groups = models.ManyToManyField(Group, related_name="viewable_forums", blank=True,
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default=[settings.SITH_GROUP_PUBLIC_ID])
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def is_owned_by(self, user):
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return user.is_in_group(settings.SITH_GROUP_FORUM_ADMIN_ID)
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def check_loop(self):
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"""Raise a validation error when a loop is found within the parent list"""
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objs = []
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cur = self
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while cur.parent is not None:
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if cur in objs:
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raise ValidationError(_('You can not make loops in forums'))
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objs.append(cur)
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cur = cur.parent
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def clean(self):
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self.check_loop()
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def __str__(self):
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return "%s" % (self.name)
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def get_absolute_url(self):
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return reverse('forum:view_forum', kwargs={'forum_id': self.id})
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def get_parent_list(self):
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l = []
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p = self.parent
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while p is not None:
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l.append(p)
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p = p.parent
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return l
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def get_topic_number(self):
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number = self.topics.all().count()
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for c in self.children.all():
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number += c.get_topic_number()
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return number
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def get_last_message(self):
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last_msg = None
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for m in ForumMessage.objects.order_by('-id'):
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forum = m.topic.forum
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if self in (forum.get_parent_list() + [forum]):
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return m
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last_msg = m
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try:
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pass
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except: pass
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return last_msg
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class ForumTopic(models.Model):
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forum = models.ForeignKey(Forum, related_name='topics')
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author = models.ForeignKey(User, related_name='forum_topics')
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title = models.CharField(_("title"), default="", max_length=64)
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description = models.CharField(_('description'), max_length=256, default="")
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class Meta:
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ordering = ['-id'] # TODO: add date message ordering
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def is_owned_by(self, user):
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return self.forum.is_owned_by(user) or user.id == self.author.id
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def can_be_edited_by(self, user):
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return user.can_edit(self.forum)
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def can_be_viewed_by(self, user):
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return user.can_view(self.forum)
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def __str__(self):
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return "%s" % (self.title)
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def get_absolute_url(self):
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return reverse('forum:view_topic', kwargs={'topic_id': self.id})
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class ForumMessage(models.Model):
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"""
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"A ForumMessage object represents a message in the forum" -- Cpt. Obvious
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"""
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topic = models.ForeignKey(ForumTopic, related_name='messages')
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author = models.ForeignKey(User, related_name='forum_messages')
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title = models.CharField(_("title"), default="", max_length=64, blank=True)
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message = models.TextField(_("message"), default="")
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date = models.DateTimeField(_('date'), default=timezone.now)
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class Meta:
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ordering = ['id']
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def is_owned_by(self, user):
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return self.topic.is_owned_by(user) or user.id == self.author.id
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def can_be_edited_by(self, user):
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return user.is_owner(self.topic)
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def can_be_viewed_by(self, user):
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return user.can_view(self.topic)
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def get_absolute_url(self):
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return self.topic.get_absolute_url()
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