Django ブログサイト views/detail.py 詳細画面ビュー

class BlogDetail(base.CommonMixin, generic.DetailView):
    model = models.Post

    def get_queryset(self):
        queryset = super().get_queryset()
        queryset = queryset.filter(author=self.kwargs['author'].id)
        if not self.request.user.is_authenticated:
            queryset = queryset.filter(status__gte=models.PostStatus.PUBLIC)
        return queryset

    def get_object(self):
        obj = super().get_object()
        if not self.request.user.is_authenticated:
            obj.view_count += 1
            obj.save()
        obj.categories = list(obj.postcategory_set.all())
        obj.content = obj.postcontent_set.get(language_code=self.request.LANGUAGE_CODE,)
        comment_status = models.CommentStatus.UNAPPROVED if self.request.user.is_authenticated else models.CommentStatus.APPROVED
        if obj.is_comment:
            comments = list(obj.comment_set.filter(status__gte=comment_status))
            parents = []
            replydict = dict() 
            for comment in comments:
                comment.status_name = str(models.CommentStatus(comment.status))
                if comment.parent:
                    replies = replydict.get(comment.parent.id, [])
                    replies.append(comment)
                    replydict[comment.parent.id] = replies
                else:
                    parents.append(comment)
            for comment in parents:
                comment.replies = replydict.get(comment.id)
            obj.comments = parents
            obj.is_comment_edit = common.has_perm(
                self.request,
                constants.PERMISSION_COMMENT_EDIT,
                post=obj,
                author=self.kwargs['author']
            )
            obj.is_comment_reply = common.has_perm(
                self.request,
                constants.PERMISSION_COMMENT_REPLY,
                post=obj,
                author=self.kwargs['author']
            )
        self.template_name = utils.get_template_path(self.request, self.kwargs['author_name'], obj.template_text)
        return obj
    
    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['comment_form'] = forms.CommentForm(None)
        logging.getLogger(constants.OPERATION_LOG).info({'post':self.object.id})
        return context

    def get_template_names(self):
        template_names = super().get_template_names()
        language_codes = common.get_post_language_codes(self.object.id)
        self.kwargs['available_languages'] = utils.get_languages(self.request, language_codes)
        return template_names