annotate gpp/comments/models.py @ 143:1ed461fd2030

Podcast enhancements for #39. Provide channel level keyword support. Provide an alternate download URL so we can support both m4a and mp3 formats.
author Brian Neal <bgneal@gmail.com>
date Sun, 06 Dec 2009 21:28:31 +0000
parents 91a01b8b5885
children 5c889b587416
rev   line source
gremmie@1 1 """
gremmie@1 2 Models for the comments application.
gremmie@1 3 """
gremmie@1 4 from django.db import models
gremmie@1 5 from django.conf import settings
gremmie@1 6 from django.contrib.contenttypes.models import ContentType
gremmie@1 7 from django.contrib.contenttypes import generic
gremmie@1 8 from django.contrib.auth.models import User
bgneal@14 9 from django.core import urlresolvers
gremmie@1 10
bgneal@128 11 from core.markup import site_markup
bgneal@124 12
gremmie@1 13
gremmie@1 14 COMMENT_MAX_LENGTH = getattr(settings, 'COMMENT_MAX_LENGTH', 3000)
gremmie@1 15
gremmie@1 16 class CommentManager(models.Manager):
gremmie@1 17 """Manager for the Comment model class."""
gremmie@1 18
gremmie@1 19 def for_object(self, obj, filter_public=True):
gremmie@1 20 """QuerySet for all comments for a particular model instance."""
gremmie@1 21 ct = ContentType.objects.get_for_model(obj)
gremmie@1 22 qs = self.get_query_set().filter(content_type__pk=ct.id,
gremmie@1 23 object_id=obj.id)
gremmie@1 24 if filter_public:
gremmie@1 25 qs = qs.filter(is_public=True)
gremmie@1 26 return qs
gremmie@1 27
gremmie@1 28
gremmie@1 29 class Comment(models.Model):
gremmie@1 30 """My own version of a Comment class that can attach comments to any other model."""
gremmie@1 31 content_type = models.ForeignKey(ContentType)
gremmie@1 32 object_id = models.PositiveIntegerField()
gremmie@1 33 content_object = generic.GenericForeignKey('content_type', 'object_id')
gremmie@1 34 user = models.ForeignKey(User)
gremmie@1 35 comment = models.TextField(max_length=COMMENT_MAX_LENGTH)
gremmie@1 36 html = models.TextField(blank=True)
gremmie@1 37 creation_date = models.DateTimeField(auto_now_add=True)
gremmie@1 38 ip_address = models.IPAddressField('IP Address')
gremmie@1 39 is_public = models.BooleanField(default=True,
gremmie@1 40 help_text='Uncheck this field to make the comment invisible.')
gremmie@1 41 is_removed = models.BooleanField(default=False,
gremmie@1 42 help_text='Check this field to replace the comment with a ' \
gremmie@1 43 '"This comment has been removed" message')
gremmie@1 44
gremmie@1 45 # Attach manager
gremmie@1 46 objects = CommentManager()
gremmie@1 47
bgneal@14 48 class Meta:
bgneal@14 49 ordering = ('creation_date', )
bgneal@14 50
gremmie@1 51 def __unicode__(self):
gremmie@1 52 return u'%s: %s...' % (self.user.username, self.comment[:50])
gremmie@1 53
gremmie@1 54 def save(self, force_insert=False, force_update=False):
bgneal@128 55 self.html = site_markup(self.comment)
gremmie@1 56 super(Comment, self).save(force_insert, force_update)
gremmie@1 57
bgneal@14 58 def get_absolute_url(self):
bgneal@14 59 return self.get_content_object_url() + ('#c%s' % self.id)
bgneal@14 60
bgneal@14 61 def get_content_object_url(self):
bgneal@14 62 """
bgneal@14 63 Get a URL suitable for redirecting to the content object.
bgneal@14 64 """
bgneal@14 65 return urlresolvers.reverse(
bgneal@14 66 "comments-url-redirect",
bgneal@14 67 args=(self.content_type_id, self.object_id)
bgneal@14 68 )
bgneal@14 69
bgneal@140 70 def not_removed(self):
bgneal@140 71 """
bgneal@140 72 Returns not self.is_removed. Used on the admin display for
bgneal@140 73 "green board" display purposes.
bgneal@140 74 """
bgneal@140 75 return not self.is_removed
bgneal@140 76 not_removed.boolean = True
bgneal@140 77
gremmie@1 78
gremmie@1 79 class CommentFlag(models.Model):
gremmie@1 80 """This model represents a user flagging a comment as inappropriate."""
gremmie@1 81 user = models.ForeignKey(User)
gremmie@1 82 comment = models.ForeignKey(Comment)
gremmie@1 83 flag_date = models.DateTimeField(auto_now_add=True)
gremmie@1 84
gremmie@1 85 def __unicode__(self):
bgneal@98 86 return u'Comment ID %s flagged by %s' % (self.comment.id, self.user.username)
gremmie@1 87
gremmie@1 88 class Meta:
gremmie@1 89 ordering = ('flag_date', )
gremmie@1 90
gremmie@1 91 def get_comment_url(self):
gremmie@1 92 return '<a href="/admin/comments/comment/%s">Comment</a>' % self.comment.id
gremmie@1 93 get_comment_url.allow_tags = True
gremmie@1 94