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from django.conf import settings |
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from django.core.urlresolvers import reverse |
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from django.db import models |
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from django.utils import timezone |
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from django.utils.text import slugify |
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class Message(models.Model): |
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""" A message with some text """ |
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user = models.ForeignKey(settings.AUTH_USER_MODEL) |
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thread = models.ForeignKey('simple_forums.Thread') |
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body = models.TextField() |
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time_created = models.DateTimeField(default=timezone.now) |
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def __str__(self): |
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""" Return the message's body """ |
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return self.body |
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def get_absolute_url(self): |
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""" Return the url of the message instance """ |
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return '%s#%s' % (self.thread.get_absolute_url(), self.get_anchor()) |
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def get_anchor(self): |
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""" Get the anchor for the message """ |
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return 'm-%d' % self.pk |
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def get_search_description(self): |
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""" Return description of message for search results """ |
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return '%s said: %s' % (self.user, self.body) |
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def get_title(self): |
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""" Return the parent thread's title """ |
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return self.thread.get_title() |
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def save(self, *args, **kwargs): |
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""" Update the parent thread's 'time_last_activity' field """ |
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if self.time_created > self.thread.time_last_activity: |
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self.thread.time_last_activity = self.time_created |
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self.thread.save() |
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return super(Message, self).save(*args, **kwargs) |
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class Thread(models.Model): |
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""" A thread with a title """ |
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topic = models.ForeignKey('Topic') |
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title = models.CharField(max_length=200) |
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sticky = models.BooleanField(default=False) |
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slug = models.SlugField() |
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time_created = models.DateTimeField(default=timezone.now) |
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time_last_activity = models.DateTimeField(default=timezone.now) |
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def __init__(self, *args, **kwargs): |
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""" Initialize 'time_last_activity' to 'time_created' """ |
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super(Thread, self).__init__(*args, **kwargs) |
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self.time_last_activity = self.time_created |
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def __str__(self): |
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""" Return the thread's title """ |
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return self.title |
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def get_absolute_url(self): |
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""" Return the url of the instance's detail view """ |
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url_kwargs = { |
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'topic_pk': self.topic.pk, |
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'topic_slug': self.topic.slug, |
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'thread_pk': self.pk, |
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'thread_slug': self.slug, |
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} |
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return reverse('thread-detail', kwargs=url_kwargs) |
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def get_search_description(self): |
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""" Return description of thread for search results """ |
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if self.message_set.exists(): |
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return self.message_set.first().body |
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return 'There are no replies to this thread.' |
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def get_title(self): |
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""" Return the thread's title """ |
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return self.title |
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@property |
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def num_replies(self): |
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""" Get the number of replies to the thread """ |
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count = self.message_set.count() |
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if not count: |
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return count |
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return count - 1 |
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def save(self, *args, **kwargs): |
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""" Save the thread instance |
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Overriden to generate a url slug. |
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""" |
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# Only create the slug if this is a new object. |
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# Changing existing slugs would create dead links. |
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if not self.id: |
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# Slugify and truncate to 50 characters |
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self.slug = slugify(self.title)[:50] |
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return super(Thread, self).save(*args, **kwargs) |
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class Topic(models.Model): |
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""" A topic model to hold threads """ |
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title = models.CharField(max_length=50) |
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description = models.CharField(max_length=200) |
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slug = models.SlugField() |
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def __str__(self): |
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""" Return the topic's title """ |
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return self.title |
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def save(self, *args, **kwargs): |
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""" Save the topic instance |
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Overriden to generate a url slug. |
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""" |
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# Only create the slug if this is a new object. |
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# Changing existing slugs would create dead links. |
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if not self.id: |
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# Slugify and truncate to 50 characters |
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self.slug = slugify(self.title)[:50] |
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return super(Topic, self).save(*args, **kwargs) |
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smalls12 /
django_simple_forums
