def get_vote(request):
user = request.user
if not user.is_authenticated():
return HttpResponse(json.dumps({
'success': 0,
'message': 'user_not_login'
}),
content_type='application/json')
try:
topic_id = int(request.GET.get('topic_id'))
except (TypeError, ValueError):
topic_id = None
topic = None
if topic_id:
try:
topic = Topic.objects.select_related('author').get(pk=topic_id)
except Topic.DoesNotExist:
pass
if not (topic_id and topic):
return HttpResponse(json.dumps({
'success': 0,
'message': 'topic_not_exist'
}),
content_type='application/json')
if user.id == topic.author.id:
return HttpResponse(json.dumps({
'success': 0,
'message': 'can_not_vote_your_topic'
}),
content_type='application/json')
if Vote.objects.filter(trigger_user=user, involved_topic=topic).exists():
return HttpResponse(json.dumps({
'success': 0,
'message': 'already_voted'
}),
content_type='application/json')
vote = Vote(trigger_user=user, involved_type=0, involved_topic=topic, \
involved_user=topic.author, status=0, occurrence_time=timezone.now())
vote.save()
# 更新话题作者声誉
topic_time_diff = timezone.now() - topic.created
reputation = topic.author.reputation or 0
reputation = reputation + 2 * math.log(
(user.reputation or 0) + topic_time_diff.days + 10, 10)
ForumUser.objects.filter(pk=topic.author.id).update(reputation=reputation)
return HttpResponse(json.dumps({
'success': 1,
'message': 'thanks_for_your_vote'
}),
content_type='application/json')
def voting(request, pk, vote):
if request.method == "POST":
post = get_object_or_404(Post, id=pk)
try:
obj = Vote.objects.get(user=request.user, post=post)
if obj.value != vote:
if vote == 1 and obj.value == 2:
post.votes_up += 1
post.votes_down -= 1
elif vote == 2 and obj.value == 1:
post.votes_up -= 1
post.votes_down += 1
obj.value = vote
obj.save()
post.save()
return HttpResponseRedirect(reverse('post-detail', args=(pk, )))
except Vote.DoesNotExist:
vote_new = Vote()
vote_new.user = request.user
vote_new.post = post
vote_new.value = vote
if vote == 1:
post.votes_up += 1
elif vote == 2:
post.votes_down += 1
vote_new.save()
post.save()
return HttpResponseRedirect(
reverse('post-detail', args=(post.id, )))
else:
post = get_object_or_404(Post, id=pk)
return HttpResponseRedirect(reverse('post-detail', args=(post.id, )))
def process_vote_action(self, value):
self.update_node_score(value)
vote = Vote(node=self.node, user=self.user, action=self, value=value)
vote.save()