simplify getting content_type for comment

Author: PetrDlouhy

django_comments_xtd/api/serializers.py

@@ -1,5 +1,4 @@
 from django.apps import apps
-from django.contrib.contenttypes.models import ContentType
 from django.contrib.sites.shortcuts import get_current_site
 from django.utils import formats, timezone
 from django.utils.html import escape
@@ -210,7 +209,7 @@ def validate(self, data):
         elif data['flag'] == 'report':
             option = 'allow_flagging'
         comment = data['comment']
-        ctype = ContentType.objects.get_for_model(comment.content_object)
+        ctype = comment.content_type
         key = "%s.%s" % (ctype.app_label, ctype.model)
         if not get_app_model_options(content_type=key)[option]:
             raise serializers.ValidationError(

django_comments_xtd/utils.py

@@ -14,7 +14,6 @@
     from urllib import urlencode
 
 from django.core.mail import EmailMultiAlternatives
-from django.contrib.contenttypes.models import ContentType
 from django.contrib.sites.shortcuts import get_current_site
 from django.utils.crypto import salted_hmac
 
@@ -86,7 +85,7 @@ def get_app_model_options(comment=None, content_type=None):
             default = copy(settings.COMMENTS_XTD_APP_MODEL_OPTIONS['default'])
 
     if comment:
-        content_type = ContentType.objects.get_for_model(comment.content_object)
+        content_type = comment.content_type
         key = "%s.%s" % (content_type.app_label, content_type.model)
     elif content_type:
         key = content_type

django_comments_xtd/views.py

@@ -391,7 +391,7 @@ def flag(request, comment_id, next=None):
         get_comment_model(), pk=comment_id,
         site__pk=get_current_site_id(request))
     if not get_app_model_options(comment=comment)['allow_flagging']:
-        ctype = ContentType.objects.get_for_model(comment.content_object)
+        ctype = comment.content_type
         raise Http404("Comments posted to instances of '%s.%s' are not "
                       "explicitly allowed to receive 'removal suggestion' "
                       "flags. Check the COMMENTS_XTD_APP_MODEL_OPTIONS "
@@ -423,7 +423,7 @@ def like(request, comment_id, next=None):
     comment = get_object_or_404(get_comment_model(), pk=comment_id,
                                 site__pk=get_current_site_id(request))
     if not get_app_model_options(comment=comment)['allow_feedback']:
-        ctype = ContentType.objects.get_for_model(comment.content_object)
+        ctype = comment.content_type
         raise Http404("Comments posted to instances of '%s.%s' are not "
                       "explicitly allowed to receive 'liked it' flags. "
                       "Check the COMMENTS_XTD_APP_MODEL_OPTIONS "
@@ -459,7 +459,7 @@ def dislike(request, comment_id, next=None):
     comment = get_object_or_404(get_comment_model(), pk=comment_id,
                                 site__pk=get_current_site_id(request))
     if not get_app_model_options(comment=comment)['allow_feedback']:
-        ctype = ContentType.objects.get_for_model(comment.content_object)
+        ctype = comment.content_type
         raise Http404("Comments posted to instances of '%s.%s' are not "
                       "explicitly allowed to receive 'disliked it' flags. "
                       "Check the COMMENTS_XTD_APP_MODEL_OPTIONS "