forum/models/user.py

   1 from base import *\r
   2 from forum import const\r
   3 from django.contrib.contenttypes.models import ContentType\r
   4 from django.contrib.auth.models import User as DjangoUser, AnonymousUser as DjangoAnonymousUser\r
   5 from django.db.models import Q\r
   6 try:\r
   7     from hashlib import md5\r
   8 except:\r
   9     import md5\r
  10 import string\r
  11 from random import Random\r
  12 \r
  13 from django.utils.translation import ugettext as _\r
  14 import django.dispatch\r
  15 \r
  16 \r
  17 QUESTIONS_PER_PAGE_CHOICES = (\r
  18    (10, u'10'),\r
  19    (30, u'30'),\r
  20    (50, u'50'),\r
  21 )\r
  22 \r
  23 class UserManager(CachedManager):\r
  24     def get_site_owner(self):\r
  25         return self.all().order_by('date_joined')[0]\r
  26 \r
  27 class AnonymousUser(DjangoAnonymousUser):\r
  28     def get_visible_answers(self, question):\r
  29         return question.answers.filter(deleted=False)\r
  30 \r
  31     def can_view_deleted_post(self, post):\r
  32         return False\r
  33 \r
  34     def can_vote_up(self):\r
  35         return False\r
  36 \r
  37     def can_vote_down(self):\r
  38         return False\r
  39 \r
  40     def can_flag_offensive(self, post=None):\r
  41         return False\r
  42 \r
  43     def can_view_offensive_flags(self, post=None):\r
  44         return False\r
  45 \r
  46     def can_comment(self, post):\r
  47         return False\r
  48 \r
  49     def can_like_comment(self, comment):\r
  50         return False\r
  51 \r
  52     def can_edit_comment(self, comment):\r
  53         return False\r
  54 \r
  55     def can_delete_comment(self, comment):\r
  56         return False\r
  57 \r
  58     def can_accept_answer(self, answer):\r
  59         return False\r
  60 \r
  61     def can_edit_post(self, post):\r
  62         return False\r
  63 \r
  64     def can_retag_questions(self):\r
  65         return False\r
  66 \r
  67     def can_close_question(self, question):\r
  68         return False\r
  69 \r
  70     def can_reopen_question(self, question):\r
  71         return False\r
  72 \r
  73     def can_delete_post(self, post):\r
  74         return False\r
  75 \r
  76     def can_upload_files(self):\r
  77         return False\r
  78 \r
  79 class User(BaseModel, DjangoUser):\r
  80     is_approved = models.BooleanField(default=False)\r
  81     email_isvalid = models.BooleanField(default=False)\r
  82     email_key = models.CharField(max_length=32, null=True)\r
  83     reputation = DenormalizedField(default=1)\r
  84 \r
  85     gold = DenormalizedField(default=0)\r
  86     silver = DenormalizedField(default=0)\r
  87     bronze = DenormalizedField(default=0)\r
  88 \r
  89     questions_per_page = models.SmallIntegerField(choices=QUESTIONS_PER_PAGE_CHOICES, default=10)\r
  90     hide_ignored_questions = models.BooleanField(default=False)\r
  91     \r
  92     last_seen = models.DateTimeField(default=datetime.datetime.now)\r
  93     real_name = models.CharField(max_length=100, blank=True)\r
  94     website = models.URLField(max_length=200, blank=True)\r
  95     location = models.CharField(max_length=100, blank=True)\r
  96     date_of_birth = models.DateField(null=True, blank=True)\r
  97     about = models.TextField(blank=True)\r
  98     \r
  99     objects = UserManager()\r
 100 \r
 101     @property\r
 102     def gravatar(self):\r
 103         return md5(self.email).hexdigest()\r
 104 \r
 105     def save(self, *args, **kwargs):\r
 106         if self.reputation < 0:\r
 107             self.reputation = 1\r
 108 \r
 109         super(User, self).save(*args, **kwargs)\r
 110 \r
 111     def get_absolute_url(self):\r
 112         return self.get_profile_url()\r
 113 \r
 114     def get_messages(self):\r
 115         messages = []\r
 116         for m in self.message_set.all():\r
 117             messages.append(m.message)\r
 118         return messages\r
 119 \r
 120     def delete_messages(self):\r
 121         self.message_set.all().delete()\r
 122 \r
 123     def get_profile_url(self):\r
 124         return "/%s%d/%s" % (_('users/'), self.id, slugify(self.username))\r
 125 \r
 126     def get_profile_link(self):\r
 127         profile_link = u'<a href="%s">%s</a>' % (self.get_profile_url(),self.username)\r
 128         return mark_safe(profile_link)\r
 129 \r
 130     def get_vote_count_today(self):\r
 131         today = datetime.date.today()\r
 132         return self.votes.filter(voted_at__range=(today - datetime.timedelta(days=1), today)).count()\r
 133 \r
 134     def get_up_vote_count(self):\r
 135         return self.votes.filter(vote=1).count()\r
 136 \r
 137     def get_down_vote_count(self):\r
 138         return self.votes.filter(vote=-1).count()\r
 139 \r
 140     def get_reputation_by_upvoted_today(self):\r
 141         today = datetime.datetime.now()\r
 142         sum = self.reputes.filter(\r
 143                 models.Q(reputation_type=TYPE_REPUTATION_GAIN_BY_UPVOTED) |\r
 144                 models.Q(reputation_type=TYPE_REPUTATION_LOST_BY_UPVOTE_CANCELED),\r
 145                 reputed_at__range=(today - datetime.timedelta(days=1), today)).aggregate(models.Sum('value'))\r
 146 \r
 147         if sum.get('value__sum', None) is not None: return sum['value__sum']\r
 148         return 0\r
 149 \r
 150     def get_flagged_items_count_today(self):\r
 151         today = datetime.date.today()\r
 152         return self.flaggeditems.filter(flagged_at__range=(today - datetime.timedelta(days=1), today)).count()\r
 153 \r
 154     def get_visible_answers(self, question):\r
 155         if self.is_superuser:\r
 156             return question.answers\r
 157         else:\r
 158             return question.answers.filter(models.Q(deleted=False) | models.Q(deleted_by=self))\r
 159 \r
 160     def can_view_deleted_post(self, post):\r
 161         return self.is_superuser or post.author == self\r
 162 \r
 163     def can_vote_up(self):\r
 164         return self.reputation >= int(settings.REP_TO_VOTE_UP) or self.is_superuser\r
 165 \r
 166     def can_vote_down(self):\r
 167         return self.reputation >= int(settings.REP_TO_VOTE_DOWN) or self.is_superuser\r
 168 \r
 169     def can_flag_offensive(self, post=None):\r
 170         if post is not None and post.author == self:\r
 171             return False\r
 172         return self.is_superuser or self.reputation >= int(settings.REP_TO_FLAG)\r
 173 \r
 174     def can_view_offensive_flags(self, post=None):\r
 175         if post is not None and post.author == self:\r
 176             return True\r
 177         return self.is_superuser or self.reputation >= int(settings.REP_TO_VIEW_FLAGS)\r
 178 \r
 179     def can_comment(self, post):\r
 180         return self == post.author or self.reputation >= int(settings.REP_TO_COMMENT\r
 181         ) or self.is_superuser or (post.__class__.__name__ == "Answer" and self == post.question.author)\r
 182 \r
 183     def can_like_comment(self, comment):\r
 184         return self != comment.user and (self.reputation >= int(settings.REP_TO_LIKE_COMMENT) or self.is_superuser)\r
 185 \r
 186     def can_edit_comment(self, comment):\r
 187         return (comment.user == self and comment.added_at >= datetime.datetime.now() - datetime.timedelta(minutes=60)\r
 188         ) or self.is_superuser\r
 189 \r
 190     def can_delete_comment(self, comment):\r
 191         return self == comment.user or self.reputation >= int(settings.REP_TO_DELETE_COMMENTS) or self.is_superuser\r
 192 \r
 193     def can_accept_answer(self, answer):\r
 194         return self.is_superuser or self == answer.question.author\r
 195 \r
 196     def can_edit_post(self, post):\r
 197         return self.is_superuser or self == post.author or self.reputation >= int(settings.REP_TO_EDIT_OTHERS\r
 198         ) or (post.wiki and self.reputation >= int(settings.REP_TO_EDIT_WIKI))\r
 199 \r
 200     def can_retag_questions(self):\r
 201         return self.reputation >= int(settings.REP_TO_RETAG)\r
 202 \r
 203     def can_close_question(self, question):\r
 204         return self.is_superuser or (self == question.author and self.reputation >= int(settings.REP_TO_CLOSE_OWN)\r
 205         ) or self.reputation >= int(settings.REP_TO_CLOSE_OTHERS)\r
 206 \r
 207     def can_reopen_question(self, question):\r
 208         return self.is_superuser or (self == question.author and self.reputation >= settings.REP_TO_REOPEN_OWN)\r
 209 \r
 210     def can_delete_post(self, post):\r
 211         return self.is_superuser or (self == post.author and (post.__class__.__name__ == "Answer" or\r
 212         not post.answers.filter(~Q(author=self)).count()))\r
 213 \r
 214     def can_upload_files(self):\r
 215         return self.is_superuser or self.reputation >= int(settings.REP_TO_UPLOAD)\r
 216 \r
 217     class Meta:\r
 218         app_label = 'forum'\r
 219 \r
 220 class Activity(GenericContent):\r
 221     """\r
 222     We keep some history data for user activities\r
 223     """\r
 224     user = models.ForeignKey(User)\r
 225     activity_type = models.SmallIntegerField(choices=TYPE_ACTIVITY)\r
 226     active_at = models.DateTimeField(default=datetime.datetime.now)\r
 227     is_auditted    = models.BooleanField(default=False)\r
 228 \r
 229     class Meta:\r
 230         app_label = 'forum'\r
 231         db_table = u'activity'\r
 232 \r
 233     def __unicode__(self):\r
 234         return u'[%s] was active at %s' % (self.user.username, self.active_at)\r
 235 \r
 236     def save(self, *args, **kwargs):\r
 237         super(Activity, self).save(*args, **kwargs)\r
 238         if self._is_new:\r
 239             activity_record.send(sender=self.activity_type, instance=self)\r
 240 \r
 241     @property\r
 242     def node(self):\r
 243         if self.activity_type in (const.TYPE_ACTIVITY_ANSWER, const.TYPE_ACTIVITY_ASK_QUESTION,\r
 244                 const.TYPE_ACTIVITY_MARK_ANSWER, const.TYPE_ACTIVITY_COMMENT_QUESTION, const.TYPE_ACTIVITY_COMMENT_ANSWER):\r
 245             return self.content_object.leaf\r
 246 \r
 247         if self.activity_type in (const.TYPE_ACTIVITY_UPDATE_ANSWER, const.TYPE_ACTIVITY_UPDATE_QUESTION):\r
 248             return self.content_object.node.leaf            \r
 249             \r
 250         raise NotImplementedError()\r
 251 \r
 252     @property\r
 253     def type_as_string(self):\r
 254         if self.activity_type == const.TYPE_ACTIVITY_ASK_QUESTION:\r
 255             return _("asked")\r
 256         elif self.activity_type  == const.TYPE_ACTIVITY_ANSWER:\r
 257             return _("answered")\r
 258         elif self.activity_type  == const.TYPE_ACTIVITY_MARK_ANSWER:\r
 259             return _("marked an answer")\r
 260         elif self.activity_type  == const.TYPE_ACTIVITY_UPDATE_QUESTION:\r
 261             return _("edited a question")\r
 262         elif self.activity_type == const.TYPE_ACTIVITY_COMMENT_QUESTION:\r
 263             return _("commented a question")\r
 264         elif self.activity_type == const.TYPE_ACTIVITY_COMMENT_ANSWER:\r
 265             return _("commented an answer")\r
 266         elif self.activity_type == const.TYPE_ACTIVITY_UPDATE_ANSWER:\r
 267             return _("edited an answer")\r
 268         elif self.activity_type == const.TYPE_ACTIVITY_PRIZE:\r
 269             return _("received badge")\r
 270         else:\r
 271             raise NotImplementedError()\r
 272 \r
 273 \r
 274 activity_record = django.dispatch.Signal(providing_args=['instance'])\r
 275 \r
 276 class SubscriptionSettings(models.Model):\r
 277     user = models.OneToOneField(User, related_name='subscription_settings')\r
 278 \r
 279     enable_notifications = models.BooleanField(default=True)\r
 280 \r
 281     #notify if\r
 282     member_joins = models.CharField(max_length=1, default='n', choices=const.NOTIFICATION_CHOICES)\r
 283     new_question = models.CharField(max_length=1, default='d', choices=const.NOTIFICATION_CHOICES)\r
 284     new_question_watched_tags = models.CharField(max_length=1, default='i', choices=const.NOTIFICATION_CHOICES)\r
 285     subscribed_questions = models.CharField(max_length=1, default='i', choices=const.NOTIFICATION_CHOICES)\r
 286     \r
 287     #auto_subscribe_to\r
 288     all_questions = models.BooleanField(default=False)\r
 289     all_questions_watched_tags = models.BooleanField(default=False)\r
 290     questions_asked = models.BooleanField(default=True)\r
 291     questions_answered = models.BooleanField(default=True)\r
 292     questions_commented = models.BooleanField(default=False)\r
 293     questions_viewed = models.BooleanField(default=False)\r
 294 \r
 295     #notify activity on subscribed\r
 296     notify_answers = models.BooleanField(default=True)\r
 297     notify_reply_to_comments = models.BooleanField(default=True)\r
 298     notify_comments_own_post = models.BooleanField(default=True)\r
 299     notify_comments = models.BooleanField(default=False)\r
 300     notify_accepted = models.BooleanField(default=False)\r
 301 \r
 302     class Meta:\r
 303         app_label = 'forum'\r
 304 \r
 305 from forum.utils.time import one_day_from_now\r
 306 \r
 307 class ValidationHashManager(models.Manager):\r
 308     def _generate_md5_hash(self, user, type, hash_data, seed):\r
 309         return md5("%s%s%s%s" % (seed, "".join(map(str, hash_data)), user.id, type)).hexdigest()\r
 310 \r
 311     def create_new(self, user, type, hash_data=[], expiration=None):\r
 312         seed = ''.join(Random().sample(string.letters+string.digits, 12))\r
 313         hash = self._generate_md5_hash(user, type, hash_data, seed)\r
 314 \r
 315         obj = ValidationHash(hash_code=hash, seed=seed, user=user, type=type)\r
 316 \r
 317         if expiration is not None:\r
 318             obj.expiration = expiration\r
 319 \r
 320         try:\r
 321             obj.save()\r
 322         except:\r
 323             return None\r
 324             \r
 325         return obj\r
 326 \r
 327     def validate(self, hash, user, type, hash_data=[]):\r
 328         try:\r
 329             obj = self.get(hash_code=hash)\r
 330         except:\r
 331             return False\r
 332 \r
 333         if obj.type != type:\r
 334             return False\r
 335 \r
 336         if obj.user != user:\r
 337             return False\r
 338 \r
 339         valid = (obj.hash_code == self._generate_md5_hash(obj.user, type, hash_data, obj.seed))\r
 340 \r
 341         if valid:\r
 342             if obj.expiration < datetime.datetime.now():\r
 343                 obj.delete()\r
 344                 return False\r
 345             else:\r
 346                 obj.delete()\r
 347                 return True\r
 348 \r
 349         return False\r
 350 \r
 351 class ValidationHash(models.Model):\r
 352     hash_code = models.CharField(max_length=255,unique=True)\r
 353     seed = models.CharField(max_length=12)\r
 354     expiration = models.DateTimeField(default=one_day_from_now)\r
 355     type = models.CharField(max_length=12)\r
 356     user = models.ForeignKey(User)\r
 357 \r
 358     objects = ValidationHashManager()\r
 359 \r
 360     class Meta:\r
 361         unique_together = ('user', 'type')\r
 362         app_label = 'forum'\r
 363 \r
 364     def __str__(self):\r
 365         return self.hash_code\r
 366 \r
 367 class AuthKeyUserAssociation(models.Model):\r
 368     key = models.CharField(max_length=255,null=False,unique=True)\r
 369     provider = models.CharField(max_length=64)\r
 370     user = models.ForeignKey(User, related_name="auth_keys")\r
 371     added_at = models.DateTimeField(default=datetime.datetime.now)\r
 372 \r
 373     class Meta:\r
 374         app_label = 'forum'\r