def recompute_ratings(obj_type='all'):
if obj_type == 'all':
recompute_objs = ((rating_config['model'], rating_config['compute_func'])
for rating_config in settings.RATINGS_CONFIG.itervalues())
elif obj_type in settings.RATINGS_CONFIG:
rating_config = settings.RATINGS_CONFIG[obj_type]
recompute_objs = (rating_config['model'], rating_config['compute_func'])
else:
recompute_objs = ()
for model, compute_func in recompute_objs:
recompute_obj_ratings(str_to_class(model), str_to_class(compute_func))
def set_rating(request, obj_type, obj_id, vote_type):
error = ""
if obj_type in RATINGS_CONFIG:
model_name = RATINGS_CONFIG[obj_type]['model']
model = str_to_class(model_name)
try:
obj = model.objects.get(pk=obj_id)
if obj.rating == None:
rating = Rating.objects.create()
rating.save()
obj.rating = rating
obj.save()
vote, is_new = RatingVote.objects.get_or_create(user=request.user, rating=obj.rating)
if is_new:
vote.vote_type = vote_type
vote.save()
if vote_type == VOTE_LIKE:
obj.rating.likes += 1
else:
obj.rating.dislikes += 1
obj.rating.save()
tasks.task_compute_object_rating(obj_type, obj)
else:
error = _("You already voted")
except model.DoesNotExist:
error = _("You can't vote for this object")
else:
error = _("You can't vote for this object")
if request.is_ajax():
if error:
return json_response({'status': "error", 'text': error})
else:
return json_response({'status': "ok",
'text': _("Your vote successfully counted")})
return redirect(request.META.get('HTTP_REFERER', '/'))
def task_compute_object_rating(obj_type, obj):
return str_to_class(settings.RATINGS_CONFIG[obj_type]['compute_func']).delay(obj.id)