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)
def can_delete_post(user, post):
return auth.can_delete_post(user, post)
def can_delete_post(user, post):
return auth.can_delete_post(user, post)
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)