split out views/commands.py

1 files changed, 280 insertions, 0 deletions

diff --git a/forum/views/commands.py b/forum/views/commands.py
new file mode 100644
index 00000000..9ad07a2c
--- /dev/null
+++ b/forum/views/commands.py
@@ -0,0 +1,280 @@
+import datetime
+from django.conf import settings
+from django.utils import simplejson
+from django.http import HttpResponse
+from django.shortcuts import get_object_or_404
+from django.utils.translation import ugettext as _
+from forum.models import *
+from forum import auth
+from utils.decorators import ajax_method, ajax_login_required
+import logging
+
+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
+                            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.objects.update_favorite_count(question)
+
+            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) >= 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
+                    # 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'}
+                    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)
+    return HttpResponse(data, mimetype="application/json")
+
+#internally grouped views - used by the tagging system
+@ajax_login_required
+def mark_tag(request, tag=None, **kwargs):#tagging system
+    action = kwargs['action']
+    ts = MarkedTag.objects.filter(user=request.user, tag__name=tag)
+    if action == 'remove':
+        logging.debug('deleting tag %s' % tag)
+        ts.delete()
+    else:
+        reason = kwargs['reason']
+        if len(ts) == 0:
+            try:
+                t = Tag.objects.get(name=tag)
+                mt = MarkedTag(user=request.user, reason=reason, tag=t)
+                mt.save()
+            except:
+                pass
+        else:
+            ts.update(reason=reason)
+    return HttpResponse(simplejson.dumps(''), mimetype="application/json")
+
+@ajax_login_required
+def ajax_toggle_ignored_questions(request):#ajax tagging and tag-filtering system
+    if request.user.hide_ignored_questions:
+        new_hide_setting = False
+    else:
+        new_hide_setting = True
+    request.user.hide_ignored_questions = new_hide_setting
+    request.user.save()
+
+@ajax_method
+def ajax_command(request):#refactor? view processing ajax commands - note "vote" and view others do it too
+    if 'command' not in request.POST:
+        return HttpResponseForbidden(mimetype="application/json")
+    if request.POST['command'] == 'toggle-ignored-questions':
+        return ajax_toggle_ignored_questions(request)
+