Exemplo n.º 1
0
def vote(request, id):#refactor - pretty incomprehensible view used by various ajax calls
#issues: this subroutine is too long, contains many magic numbers and other issues
#it's called "vote" but many actions processed here have nothing to do with voting
    """
    vote_type:
        acceptAnswer : 0,
        questionUpVote : 1,
        questionDownVote : 2,
        favorite : 4,
        answerUpVote: 5,
        answerDownVote:6,
        offensiveQuestion : 7,
        offensiveAnswer:8,
        removeQuestion: 9,
        removeAnswer:10
        questionSubscribeUpdates:11
        questionUnSubscribeUpdates:12

    accept answer code:
        response_data['allowed'] = -1, Accept his own answer   0, no allowed - Anonymous    1, Allowed - by default
        response_data['success'] =  0, failed                                               1, Success - by default
        response_data['status']  =  0, By default                                           1, Answer has been accepted already(Cancel)

    vote code:
        allowed = -3, Don't have enough votes left
                  -2, Don't have enough reputation score
                  -1, Vote his own post
                   0, no allowed - Anonymous
                   1, Allowed - by default
        status  =  0, By default
                   1, Cancel
                   2, Vote is too old to be canceled

    offensive code:
        allowed = -3, Don't have enough flags left
                  -2, Don't have enough reputation score to do this
                   0, not allowed
                   1, allowed
        status  =  0, by default
                   1, can't do it again
    """
    response_data = {
        "allowed": 1,
        "success": 1,
        "status" : 0,
        "count"  : 0,
        "message" : ''
    }

    def __can_vote(vote_score, user):#refactor - belongs to auth.py
        if vote_score == 1:#refactor magic number
            return auth.can_vote_up(request.user)
        else:
            return auth.can_vote_down(request.user)

    try:
        if not request.user.is_authenticated():
            response_data['allowed'] = 0
            response_data['success'] = 0

        elif request.is_ajax() and request.method == 'POST':
            question = get_object_or_404(Question, id=id)
            vote_type = request.POST.get('type')

            #accept answer
            if vote_type == '0':
                answer_id = request.POST.get('postId')
                answer = get_object_or_404(Answer, id=answer_id)
                # make sure question author is current user
                if question.author == request.user:
                    # answer user who is also question author is not allow to accept answer
                    if answer.author == question.author:
                        response_data['success'] = 0
                        response_data['allowed'] = -1
                    # check if answer has been accepted already
                    elif answer.accepted:
                        auth.onAnswerAcceptCanceled(answer, request.user)
                        response_data['status'] = 1
                    else:
                        # set other answers in this question not accepted first
                        for answer_of_question in Answer.objects.get_answers_from_question(question, request.user):
                            if answer_of_question != answer and answer_of_question.accepted:
                                auth.onAnswerAcceptCanceled(answer_of_question, request.user)

                        #make sure retrieve data again after above author changes, they may have related data
                        answer = get_object_or_404(Answer, id=answer_id)
                        auth.onAnswerAccept(answer, request.user)
                else:
                    response_data['allowed'] = 0
                    response_data['success'] = 0
            # favorite
            elif vote_type == '4':
                has_favorited = False
                fav_questions = FavoriteQuestion.objects.filter(question=question)
                # if the same question has been favorited before, then delete it
                if fav_questions is not None:
                    for item in fav_questions:
                        if item.user == request.user:
                            item.delete()
                            response_data['status'] = 1
                            response_data['count']  = len(fav_questions) - 1
                            question.decrement_favourite_count()
                            if response_data['count'] < 0:
                                response_data['count'] = 0
                            has_favorited = True
                # if above deletion has not been executed, just insert a new favorite question
                if not has_favorited:
                    new_item = FavoriteQuestion(question=question, user=request.user)
                    new_item.save()
                    response_data['count']  = FavoriteQuestion.objects.filter(question=question).count()
                    question.increment_favourite_count()

            elif vote_type in ['1', '2', '5', '6']:
                post_id = id
                post = question
                vote_score = 1
                if vote_type in ['5', '6']:
                    answer_id = request.POST.get('postId')
                    answer = get_object_or_404(Answer, id=answer_id)
                    post_id = answer_id
                    post = answer
                if vote_type in ['2', '6']:
                    vote_score = -1

                if post.author == request.user:
                    response_data['allowed'] = -1
                elif not __can_vote(vote_score, request.user):
                    response_data['allowed'] = -2
                elif post.votes.filter(user=request.user).count() > 0:
                    vote = post.votes.filter(user=request.user)[0]
                    # unvote should be less than certain time
                    if (datetime.datetime.now().day - vote.voted_at.day) >= int(settings.DENY_UNVOTE_DAYS):
                        response_data['status'] = 2
                    else:
                        voted = vote.vote
                        if voted > 0:
                            # cancel upvote
                            auth.onUpVotedCanceled(vote, post, request.user)

                        else:
                            # cancel downvote
                            auth.onDownVotedCanceled(vote, post, request.user)

                        response_data['status'] = 1
                        response_data['count'] = post.score
                elif Vote.objects.get_votes_count_today_from_user(request.user) >= settings.MAX_VOTES_PER_DAY:
                    response_data['allowed'] = -3
                else:
                    vote = Vote(user=request.user, content_object=post, vote=vote_score, voted_at=datetime.datetime.now())
                    if vote_score > 0:
                        # upvote
                        auth.onUpVoted(vote, post, request.user)
                    else:
                        # downvote
                        auth.onDownVoted(vote, post, request.user)

                    votes_left = int(settings.MAX_VOTES_PER_DAY) - Vote.objects.get_votes_count_today_from_user(request.user)
                    if votes_left <= settings.START_WARN_VOTES_LEFT:
                        response_data['message'] = u'%s votes left' % votes_left
                    response_data['count'] = post.score
            elif vote_type in ['7', '8']:
                post = question
                post_id = id
                if vote_type == '8':
                    post_id = request.POST.get('postId')
                    post = get_object_or_404(Answer, id=post_id)

                if FlaggedItem.objects.get_flagged_items_count_today(request.user) >= settings.MAX_FLAGS_PER_DAY:
                    response_data['allowed'] = -3
                elif not auth.can_flag_offensive(request.user):
                    response_data['allowed'] = -2
                elif post.flagged_items.filter(user=request.user).count() > 0:
                    response_data['status'] = 1
                else:
                    item = FlaggedItem(user=request.user, content_object=post, flagged_at=datetime.datetime.now())
                    auth.onFlaggedItem(item, post, request.user)
                    response_data['count'] = post.offensive_flag_count
                    # send signal when question or answer be marked offensive
                    mark_offensive.send(sender=post.__class__, instance=post, mark_by=request.user)
            elif vote_type in ['9', '10']:
                post = question
                post_id = id
                if vote_type == '10':
                    post_id = request.POST.get('postId')
                    post = get_object_or_404(Answer, id=post_id)

                if not auth.can_delete_post(request.user, post):
                    response_data['allowed'] = -2
                elif post.deleted == True:
                    logging.debug('debug restoring post in view')
                    auth.onDeleteCanceled(post, request.user)
                    response_data['status'] = 1
                else:
                    auth.onDeleted(post, request.user)
                    delete_post_or_answer.send(sender=post.__class__, instance=post, delete_by=request.user)
            elif vote_type == '11':#subscribe q updates
                user = request.user
                if user.is_authenticated():
                    if user not in question.followed_by.all():
                        question.followed_by.add(user)
                        if settings.EMAIL_VALIDATION == 'on' and user.email_isvalid == False:
                            response_data['message'] = \
                                    _('subscription saved, %(email)s needs validation, see %(details_url)s') \
                                    % {'email':user.email,'details_url':reverse('faq') + '#validate'}
                else:
                    pass
                    #response_data['status'] = 0
                    #response_data['allowed'] = 0
            elif vote_type == '12':#unsubscribe q updates
                user = request.user
                if user.is_authenticated():
                    if user in question.followed_by.all():
                        question.followed_by.remove(user)
        else:
            response_data['success'] = 0
            response_data['message'] = u'Request mode is not supported. Please try again.'

        data = simplejson.dumps(response_data)

    except Exception, e:
        response_data['message'] = str(e)
        data = simplejson.dumps(response_data)
Exemplo n.º 2
0
def accept_answer(self, answer, timestamp=None, cancel=False):
    if cancel:
        auth.onAnswerAcceptCanceled(answer, self, timestamp=timestamp)
    else:
        auth.onAnswerAccept(answer, self, timestamp=timestamp)
Exemplo n.º 3
0
def vote(request, id):#todo: pretty incomprehensible view used by various ajax calls
#issues: this subroutine is too long, contains many magic numbers and other issues
#it's called "vote" but many actions processed here have nothing to do with voting
    """
    vote_type:
        acceptAnswer : 0,
        questionUpVote : 1,
        questionDownVote : 2,
        favorite : 4,
        answerUpVote: 5,
        answerDownVote:6,
        offensiveQuestion : 7,
        offensiveAnswer:8,
        removeQuestion: 9,
        removeAnswer:10
        questionSubscribeUpdates:11
        questionUnSubscribeUpdates:12

    accept answer code:
        response_data['allowed'] = -1, Accept his own answer   0, no allowed - Anonymous    1, Allowed - by default
        response_data['success'] =  0, failed                                               1, Success - by default
        response_data['status']  =  0, By default                                           1, Answer has been accepted already(Cancel)

    vote code:
        allowed = -3, Don't have enough votes left
                  -2, Don't have enough reputation score
                  -1, Vote his own post
                   0, no allowed - Anonymous
                   1, Allowed - by default
        status  =  0, By default
                   1, Cancel
                   2, Vote is too old to be canceled

    offensive code:
        allowed = -3, Don't have enough flags left
                  -2, Don't have enough reputation score to do this
                   0, not allowed
                   1, allowed
        status  =  0, by default
                   1, can't do it again
    """
    response_data = {
        "allowed": 1,
        "success": 1,
        "status" : 0,
        "count"  : 0,
        "message" : ''
    }

    def __can_vote(vote_score, user):#refactor - belongs to auth.py
        if vote_score == 1:#refactor magic number
            return auth.can_vote_up(request.user)
        else:
            return auth.can_vote_down(request.user)

    try:
        if not request.user.is_authenticated():
            response_data['allowed'] = 0
            response_data['success'] = 0

        elif request.is_ajax() and request.method == 'POST':
            question = get_object_or_404(Question, id=id)
            vote_type = request.POST.get('type')

            #accept answer
            if vote_type == '0':
                answer_id = request.POST.get('postId')
                answer = get_object_or_404(Answer, id=answer_id)
                # make sure question author is current user
                if question.author == request.user:
                    # answer user who is also question author is not allow to accept answer
                    if answer.author == question.author:
                        response_data['success'] = 0
                        response_data['allowed'] = -1
                    # check if answer has been accepted already
                    elif answer.accepted:
                        auth.onAnswerAcceptCanceled(answer, request.user)
                        response_data['status'] = 1
                    else:
                        # set other answers in this question not accepted first
                        for answer_of_question in Answer.objects.get_answers_from_question(question, request.user):
                            if answer_of_question != answer and answer_of_question.accepted:
                                auth.onAnswerAcceptCanceled(answer_of_question, request.user)

                        #make sure retrieve data again after above author changes, they may have related data
                        answer = get_object_or_404(Answer, id=answer_id)
                        auth.onAnswerAccept(answer, request.user)
                else:
                    response_data['allowed'] = 0
                    response_data['success'] = 0
            # favorite
            elif vote_type == '4':
                has_favorited = False
                fave = request.user.toggle_favorite_question(question)
                response_data['count'] = FavoriteQuestion.objects.filter(
                                            question = question
                                        ).count()
                if fave == False:
                    response_data['status'] = 1

            elif vote_type in ['1', '2', '5', '6']:
                post_id = id
                post = question
                vote_score = 1
                if vote_type in ['5', '6']:
                    answer_id = request.POST.get('postId')
                    answer = get_object_or_404(Answer, id=answer_id)
                    post_id = answer_id
                    post = answer
                if vote_type in ['2', '6']:
                    vote_score = -1

                if post.author == request.user:
                    response_data['allowed'] = -1
                elif not __can_vote(vote_score, request.user):
                    response_data['allowed'] = -2
                elif post.votes.filter(user=request.user).count() > 0:
                    #todo: I think we have a bug here
                    #we need to instead select vote on that particular post
                    #not just the latest vote, although it is a good shortcut.
                    #The problem is that this vote is deleted in one of
                    #the on...Canceled() functions
                    vote = post.votes.filter(user=request.user)[0]
                    # get latest vote by the current user
                    # unvote should be less than certain time
                    if (datetime.datetime.now().day - vote.voted_at.day) >= auth.VOTE_RULES['scope_deny_unvote_days']:
                        response_data['status'] = 2
                    else:
                        voted = vote.vote
                        if voted > 0:
                            # cancel upvote
                            auth.onUpVotedCanceled(vote, post, request.user)

                        else:
                            # cancel downvote
                            auth.onDownVotedCanceled(vote, post, request.user)

                        response_data['status'] = 1
                        response_data['count'] = post.score
                elif Vote.objects.get_votes_count_today_from_user(request.user) >= auth.VOTE_RULES['scope_votes_per_user_per_day']:
                    response_data['allowed'] = -3
                else:
                    vote = Vote(user=request.user, content_object=post, vote=vote_score, voted_at=datetime.datetime.now())
                    if vote_score > 0:
                        # upvote
                        auth.onUpVoted(vote, post, request.user)
                    else:
                        # downvote
                        auth.onDownVoted(vote, post, request.user)

                    votes_left = auth.VOTE_RULES['scope_votes_per_user_per_day'] - Vote.objects.get_votes_count_today_from_user(request.user)
                    if votes_left <= auth.VOTE_RULES['scope_warn_votes_left']:
                        response_data['message'] = u'%s votes left' % votes_left
                    response_data['count'] = post.score
            elif vote_type in ['7', '8']:
                post = question
                post_id = id
                if vote_type == '8':
                    post_id = request.POST.get('postId')
                    post = get_object_or_404(Answer, id=post_id)

                if FlaggedItem.objects.get_flagged_items_count_today(request.user) >= auth.VOTE_RULES['scope_flags_per_user_per_day']:
                    response_data['allowed'] = -3
                elif not auth.can_flag_offensive(request.user):
                    response_data['allowed'] = -2
                elif post.flagged_items.filter(user=request.user).count() > 0:
                    response_data['status'] = 1
                else:
                    item = FlaggedItem(user=request.user, content_object=post, flagged_at=datetime.datetime.now())
                    auth.onFlaggedItem(item, post, request.user)
                    response_data['count'] = post.offensive_flag_count
            elif vote_type in ['9', '10']:
                post = question
                post_id = id
                if vote_type == '10':
                    post_id = request.POST.get('postId')
                    post = get_object_or_404(Answer, id=post_id)

                if not auth.can_delete_post(request.user, post):
                    response_data['allowed'] = -2
                elif post.deleted == True:
                    logging.debug('debug restoring post in view')
                    auth.onDeleteCanceled(post, request.user)
                    response_data['status'] = 1
                else:
                    auth.onDeleted(post, request.user)
            elif vote_type == '11':#subscribe q updates
                user = request.user
                if user.is_authenticated():
                    if user not in question.followed_by.all():
                        question.followed_by.add(user)
                        if settings.EMAIL_VALIDATION == 'on' and user.email_isvalid == False:
                            response_data['message'] = \
                                    _('subscription saved, %(email)s needs validation, see %(details_url)s') \
                                    % {'email':user.email,'details_url':reverse('faq') + '#validate'}
                    feed_setting = EmailFeedSetting.objects.get(subscriber=user,feed_type='q_sel')
                    if feed_setting.frequency == 'n':
                        feed_setting.frequency = 'd'
                        feed_setting.save()
                        if 'message' in response_data:
                            response_data['message'] += '<br/>'
                        response_data['message'] = _('email update frequency has been set to daily')
                    #response_data['status'] = 1
                    #responst_data['allowed'] = 1
                else:
                    pass
                    #response_data['status'] = 0
                    #response_data['allowed'] = 0
            elif vote_type == '12':#unsubscribe q updates
                user = request.user
                if user.is_authenticated():
                    if user in question.followed_by.all():
                        question.followed_by.remove(user)
        else:
            response_data['success'] = 0
            response_data['message'] = u'Request mode is not supported. Please try again.'

        data = simplejson.dumps(response_data)

    except Exception, e:
        response_data['message'] = str(e)
        data = simplejson.dumps(response_data)