from question import Question ,QuestionRevision, QuestionView, AnonymousQuestion, FavoriteQuestion from answer import Answer, AnonymousAnswer, AnswerRevision from tag import Tag, MarkedTag from meta import Vote, Comment, FlaggedItem from user import Activity, ValidationHash, EmailFeedSetting, AuthKeyUserAssociation from repute import Badge, Award, Repute import re from base import * import datetime from django.contrib.contenttypes.models import ContentType #todo: move to a separate file? # custom signals tags_updated = django.dispatch.Signal(providing_args=["question"]) edit_question_or_answer = django.dispatch.Signal(providing_args=["instance", "modified_by"]) delete_post_or_answer = django.dispatch.Signal(providing_args=["instance", "deleted_by"]) mark_offensive = django.dispatch.Signal(providing_args=["instance", "mark_by"]) user_updated = django.dispatch.Signal(providing_args=["instance", "updated_by"]) user_logged_in = django.dispatch.Signal(providing_args=["session"]) #todo: must go after signals from forum import auth # User extend properties QUESTIONS_PER_PAGE_CHOICES = ( (10, u'10'), (30, u'30'), (50, u'50'), ) def user_is_username_taken(cls,username): try: cls.objects.get(username=username) return True except cls.MultipleObjectsReturned: return True except cls.DoesNotExist: return False def user_get_q_sel_email_feed_frequency(self): #print 'looking for frequency for user %s' % self try: feed_setting = EmailFeedSetting.objects.get(subscriber=self,feed_type='q_sel') except Exception, e: #print 'have error %s' % e.message raise e #print 'have freq=%s' % feed_setting.frequency return feed_setting.frequency def user_get_absolute_url(self): return "/users/%d/%s/" % (self.id, (self.username)) User.add_to_class('is_approved', models.BooleanField(default=False)) User.add_to_class('email_isvalid', models.BooleanField(default=False)) User.add_to_class('email_key', models.CharField(max_length=32, null=True)) User.add_to_class('reputation', models.PositiveIntegerField(default=1)) User.add_to_class('gravatar', models.CharField(max_length=32)) #User.add_to_class('favorite_questions', # models.ManyToManyField(Question, through=FavoriteQuestion, # related_name='favorited_by')) #User.add_to_class('badges', models.ManyToManyField(Badge, through=Award, # related_name='awarded_to')) User.add_to_class('gold', models.SmallIntegerField(default=0)) User.add_to_class('silver', models.SmallIntegerField(default=0)) User.add_to_class('bronze', models.SmallIntegerField(default=0)) User.add_to_class('questions_per_page', models.SmallIntegerField(choices=QUESTIONS_PER_PAGE_CHOICES, default=10)) User.add_to_class('last_seen', models.DateTimeField(default=datetime.datetime.now)) User.add_to_class('real_name', models.CharField(max_length=100, blank=True)) User.add_to_class('website', models.URLField(max_length=200, blank=True)) User.add_to_class('location', models.CharField(max_length=100, blank=True)) User.add_to_class('date_of_birth', models.DateField(null=True, blank=True)) User.add_to_class('about', models.TextField(blank=True)) User.add_to_class('is_username_taken',classmethod(user_is_username_taken)) User.add_to_class('get_q_sel_email_feed_frequency',user_get_q_sel_email_feed_frequency) User.add_to_class('hide_ignored_questions', models.BooleanField(default=False)) User.add_to_class('tag_filter_setting', models.CharField( max_length=16, choices=TAG_EMAIL_FILTER_CHOICES, default='ignored' ) ) User.add_to_class('get_absolute_url', user_get_absolute_url) def get_messages(self): messages = [] for m in self.message_set.all(): messages.append(m.message) return messages def delete_messages(self): self.message_set.all().delete() def get_profile_url(self): """Returns the URL for this User's profile.""" return "/users/%d/%s" % (self.id, slugify(self.username)) def get_profile_link(self): profile_link = u'%s' % (self.get_profile_url(),self.username) logging.debug('in get profile link %s' % profile_link) return mark_safe(profile_link) #series of methods for user vote-type commands #same call signature func(self, post, timestamp=None, cancel=None) #note that none of these have business logic checks internally #these functions are used by the forum app and #by the data importer jobs from say stackexchange, where internal rules #may be different #maybe if we do use business rule checks here - we should add #some flag allowing to bypass them for things like the data importers def toggle_favorite_question(self, question, timestamp=None, cancel=False): """cancel has no effect here, but is important for the SE loader it is hoped that toggle will work and data will be consistent but there is no guarantee, maybe it's better to be more strict about processing the "cancel" option another strange thing is that this function unlike others below returns a value """ try: fave = FavoriteQuestion.objects.get(question=question, user=self) fave.delete() result = False except FavoriteQuestion.DoesNotExist: fave = FavoriteQuestion( question = question, user = self, added_at = timestamp, ) fave.save() result = True Question.objects.update_favorite_count(question) return result #"private" wrapper function that applies post upvotes/downvotes and cancelations def _process_vote(user, post, timestamp=None, cancel=False, vote_type=None): post_type = ContentType.objects.get_for_model(post) #get or create the vote object #return with noop in some situations try: vote = Vote.objects.get( user = user, content_type = post_type, object_id = post.id, ) except Vote.DoesNotExist: vote = None if cancel: if vote == None: return elif vote.is_opposite(vote_type): return else: #we would call vote.delete() here #but for now all that is handled by the #legacy forum.auth functions #vote.delete() pass else: if vote == None: vote = Vote( user = user, content_object = post, vote = vote_type, voted_at = timestamp, ) elif vote.is_opposite(vote_type): vote.vote = vote_type else: return #do the actual work if vote_type == Vote.VOTE_UP: if cancel: auth.onUpVotedCanceled(vote, post, user, timestamp) else: auth.onUpVoted(vote, post, user, timestamp) elif vote_type == Vote.VOTE_DOWN: if cancel: auth.onDownVotedCanceled(vote, post, user, timestamp) else: auth.onDonwVoted(vote, post, user, timestamp) def upvote(self, post, timestamp=None, cancel=False): _process_vote( self,post, timestamp=timestamp, cancel=cancel, vote_type=Vote.VOTE_UP ) def downvote(self, post, timestamp=None, cancel=False): _process_vote( self,post, timestamp=timestamp, cancel=cancel, vote_type=Vote.VOTE_DOWN ) def accept_answer(self, answer, timestamp=None, cancel=False): if cancel: auth.onAnswerAcceptCanceled(answer, self, timestamp=timestamp) else: auth.onAnswerAccept(answer, self, timestamp=timestamp) def flag_post(self, post, timestamp=None, cancel=False): if cancel:#todo: can't unflag? return if post.flagged_items.filter(user=user).count() > 0: return else: flag = FlaggedItem( user = self, content_object = post, flagged_at = timestamp, ) auth.onFlaggedItem(flag, post, user, timestamp=timestamp) User.add_to_class('toggle_favorite_question', toggle_favorite_question) User.add_to_class('upvote', upvote) User.add_to_class('downvote', downvote) User.add_to_class('accept_answer', accept_answer) User.add_to_class('flag_post', flag_post) User.add_to_class('get_profile_url', get_profile_url) User.add_to_class('get_profile_link', get_profile_link) User.add_to_class('get_messages', get_messages) User.add_to_class('delete_messages', delete_messages) def calculate_gravatar_hash(instance, **kwargs): """Calculates a User's gravatar hash from their email address.""" if kwargs.get('raw', False): return instance.gravatar = hashlib.md5(instance.email).hexdigest() def record_ask_event(instance, created, **kwargs): if created: activity = Activity(user=instance.author, active_at=instance.added_at, content_object=instance, activity_type=TYPE_ACTIVITY_ASK_QUESTION) activity.save() #todo: translate this record_answer_event_re = re.compile("You have received (a|\d+) .*new response.*") def record_answer_event(instance, created, **kwargs): if created: q_author = instance.question.author found_match = False for m in q_author.message_set.all(): match = record_answer_event_re.search(m.message) if match: found_match = True try: cnt = int(match.group(1)) except: cnt = 1 m.message = u"You have received %d new responses."\ % (cnt+1, q_author.get_profile_url()) m.save() break if not found_match: msg = u"You have received a new response."\ % q_author.get_profile_url() q_author.message_set.create(message=msg) activity = Activity(user=instance.author, \ active_at=instance.added_at,\ content_object=instance, \ activity_type=TYPE_ACTIVITY_ANSWER) activity.save() def record_comment_event(instance, created, **kwargs): if created: from django.contrib.contenttypes.models import ContentType question_type = ContentType.objects.get_for_model(Question) question_type_id = question_type.id if (instance.content_type_id == question_type_id): type = TYPE_ACTIVITY_COMMENT_QUESTION else: type = TYPE_ACTIVITY_COMMENT_ANSWER activity = Activity(user=instance.user, active_at=instance.added_at, content_object=instance, activity_type=type) activity.save() def record_revision_question_event(instance, created, **kwargs): if created and instance.revision <> 1: activity = Activity(user=instance.author, active_at=instance.revised_at, content_object=instance, activity_type=TYPE_ACTIVITY_UPDATE_QUESTION) activity.save() def record_revision_answer_event(instance, created, **kwargs): if created and instance.revision <> 1: activity = Activity(user=instance.author, active_at=instance.revised_at, content_object=instance, activity_type=TYPE_ACTIVITY_UPDATE_ANSWER) activity.save() def record_award_event(instance, created, **kwargs): """ After we awarded a badge to user, we need to record this activity and notify user. We also recaculate awarded_count of this badge and user information. """ if created: activity = Activity(user=instance.user, active_at=instance.awarded_at, content_object=instance, activity_type=TYPE_ACTIVITY_PRIZE) activity.save() instance.badge.awarded_count += 1 instance.badge.save() if instance.badge.type == Badge.GOLD: instance.user.gold += 1 if instance.badge.type == Badge.SILVER: instance.user.silver += 1 if instance.badge.type == Badge.BRONZE: instance.user.bronze += 1 instance.user.save() def notify_award_message(instance, created, **kwargs): """ Notify users when they have been awarded badges by using Django message. """ if created: user = instance.user msg = (u"Congratulations, you have received a badge '%s'. " \ + u"Check out your profile.") \ % (instance.badge.name, user.get_profile_url()) user.message_set.create(message=msg) def record_answer_accepted(instance, created, **kwargs): """ when answer is accepted, we record this for question author - who accepted it. """ if not created and instance.accepted: activity = Activity(user=instance.question.author, active_at=datetime.datetime.now(), \ content_object=instance, activity_type=TYPE_ACTIVITY_MARK_ANSWER) activity.save() def update_last_seen(instance, created, **kwargs): """ when user has activities, we update 'last_seen' time stamp for him """ user = instance.user user.last_seen = datetime.datetime.now() user.save() def record_vote(instance, created, **kwargs): """ when user have voted """ if created: if instance.vote == 1: vote_type = TYPE_ACTIVITY_VOTE_UP else: vote_type = TYPE_ACTIVITY_VOTE_DOWN activity = Activity(user=instance.user, active_at=instance.voted_at, content_object=instance, activity_type=vote_type) activity.save() def record_cancel_vote(instance, **kwargs): """ when user canceled vote, the vote will be deleted. """ activity = Activity(user=instance.user, active_at=datetime.datetime.now(), content_object=instance, activity_type=TYPE_ACTIVITY_CANCEL_VOTE) activity.save() def record_delete_question(instance, delete_by, **kwargs): """ when user deleted the question """ if instance.__class__ == "Question": activity_type = TYPE_ACTIVITY_DELETE_QUESTION else: activity_type = TYPE_ACTIVITY_DELETE_ANSWER activity = Activity(user=delete_by, active_at=datetime.datetime.now(), content_object=instance, activity_type=activity_type) activity.save() def record_mark_offensive(instance, mark_by, **kwargs): activity = Activity(user=mark_by, active_at=datetime.datetime.now(), content_object=instance, activity_type=TYPE_ACTIVITY_MARK_OFFENSIVE) activity.save() def record_update_tags(question, **kwargs): """ when user updated tags of the question """ activity = Activity(user=question.author, active_at=datetime.datetime.now(), content_object=question, activity_type=TYPE_ACTIVITY_UPDATE_TAGS) activity.save() def record_favorite_question(instance, created, **kwargs): """ when user add the question in him favorite questions list. """ if created: activity = Activity(user=instance.user, active_at=datetime.datetime.now(), content_object=instance, activity_type=TYPE_ACTIVITY_FAVORITE) activity.save() def record_user_full_updated(instance, **kwargs): activity = Activity(user=instance, active_at=datetime.datetime.now(), content_object=instance, activity_type=TYPE_ACTIVITY_USER_FULL_UPDATED) activity.save() def post_stored_anonymous_content(sender,user,session_key,signal,*args,**kwargs): aq_list = AnonymousQuestion.objects.filter(session_key = session_key) aa_list = AnonymousAnswer.objects.filter(session_key = session_key) import settings if settings.EMAIL_VALIDATION == 'on':#add user to the record for aq in aq_list: aq.author = user aq.save() for aa in aa_list: aa.author = user aa.save() #maybe add pending posts message? else: #just publish the questions for aq in aq_list: aq.publish(user) for aa in aa_list: aa.publish(user) #signal for User modle save changes pre_save.connect(calculate_gravatar_hash, sender=User) post_save.connect(record_ask_event, sender=Question) post_save.connect(record_answer_event, sender=Answer) post_save.connect(record_comment_event, sender=Comment) post_save.connect(record_revision_question_event, sender=QuestionRevision) post_save.connect(record_revision_answer_event, sender=AnswerRevision) post_save.connect(record_award_event, sender=Award) post_save.connect(notify_award_message, sender=Award) post_save.connect(record_answer_accepted, sender=Answer) post_save.connect(update_last_seen, sender=Activity) post_save.connect(record_vote, sender=Vote) post_delete.connect(record_cancel_vote, sender=Vote) delete_post_or_answer.connect(record_delete_question, sender=Question) delete_post_or_answer.connect(record_delete_question, sender=Answer) mark_offensive.connect(record_mark_offensive, sender=Question) mark_offensive.connect(record_mark_offensive, sender=Answer) tags_updated.connect(record_update_tags, sender=Question) post_save.connect(record_favorite_question, sender=FavoriteQuestion) user_updated.connect(record_user_full_updated, sender=User) user_logged_in.connect(post_stored_anonymous_content) Question = Question QuestionRevision = QuestionRevision QuestionView = QuestionView FavoriteQuestion = FavoriteQuestion AnonymousQuestion = AnonymousQuestion Answer = Answer AnswerRevision = AnswerRevision AnonymousAnswer = AnonymousAnswer Tag = Tag Comment = Comment Vote = Vote FlaggedItem = FlaggedItem MarkedTag = MarkedTag Badge = Badge Award = Award Repute = Repute Activity = Activity EmailFeedSetting = EmailFeedSetting ValidationHash = ValidationHash AuthKeyUserAssociation = AuthKeyUserAssociation __all__ = [ 'Question', 'QuestionRevision', 'QuestionView', 'FavoriteQuestion', 'AnonymousQuestion', 'Answer', 'AnswerRevision', 'AnonymousAnswer', 'Tag', 'Comment', 'Vote', 'FlaggedItem', 'MarkedTag', 'Badge', 'Award', 'Repute', 'Activity', 'EmailFeedSetting', 'ValidationHash', 'AuthKeyUserAssociation', 'User', ] from forum.modules import get_modules_script_classes for k, v in get_modules_script_classes('models', models.Model).items(): if not k in __all__: __all__.append(k) exec "%s = v" % k