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authorEvgeny Fadeev <evgeny.fadeev@gmail.com>2010-02-16 14:45:10 -0500
committerEvgeny Fadeev <evgeny.fadeev@gmail.com>2010-02-16 14:45:10 -0500
commitbfb3d24072e1159958945c49851e025284017edb (patch)
treee6b5e46985ab6f01b7f20744d03e84d3db00717c /forum/views/commands.py
parent89131389eb631456a0bdaa3a705488d43d0ced9b (diff)
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split out views/commands.py
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+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)
+