def put(self, request, pk, format=None):
try:
comment = Comment.objects.get(pk=pk)
if request.data['type'] == 'update':
if comment.user == request.user:
comment_serializer = CommentsSerializer(comment,
data=request.data)
if comment_serializer.is_valid():
comment_serializer.save()
return Response(comment_serializer.data)
else:
return Response(status.HTTP_400_BAD_REQUEST)
else:
return Response(status.HTTP_405_METHOD_NOT_ALLOWED)
elif request.data['type'] == 'like':
already_liked_user = comment.get_users
if request.user not in already_liked_user:
like = Like()
like.comment = comment
like.user = request.user
like.save()
return Response(status.HTTP_201_CREATED)
else:
return Response(status.HTTP_501_NOT_IMPLEMENTED)
elif request.data['type'] == 'unlike':
already_liked_user = comment.get_users
if request.user in already_liked_user:
like = Like.objects.get(user=request.user, comment=comment)
like.delete()
return Response(status.HTTP_201_CREATED)
else:
return Response(status.HTTP_501_NOT_IMPLEMENTED)
except Comment.DoesNotExist:
return Response(status.HTTP_404_NOT_FOUND)
def delete_post(cls, post_id, user_id):
error_msg = None
posts = Post.all().order('-created').fetch(limit=10)
updated_post_list = posts
post = Post.get_by_id(post_id)
if user_id == post.created_by:
# delete comments of the post
comments = Comment.all().filter('post_id =', post_id).fetch(limit=10)
for c in comments:
Comment.delete(c)
# delete likes of the post
likes = Like.all().filter('post_id =', post_id).fetch(limit=10)
for l in likes:
Like.delete(l)
# delete the post
updated_post_list = cls.update_list_on_delete(
object_list=posts,
object_id=post_id
)
Post.delete(post)
else:
error_msg = 'You can delete only your own posts'
return updated_post_list, error_msg
def post(self, post_id):
""" handles post request """
action = self.request.get("like-button")
user = self.logged_in_user()
post = Post.post_by_id(post_id)
if action == 'like':
like = Like(post=post, user=user)
like.put()
else:
like = user.likes.filter("post =", post).get()
like.delete()
self.redirect('/' + post_id)
def update_ratings():
body = request.get_json()
if 'liked_by' not in body or 'disliked_by' not in body or 'username' not in body or 'course_id' not in body:
abort(422)
liked_by = body['liked_by']
disliked_by = body['disliked_by']
username = body['username']
course_id = body['course_id']
rating = Rating.query.filter(Rating.user_id == username,
Rating.course_id == course_id).first()
user = User.query.get(liked_by)
course = Course.query.get(course_id)
if rating is None or course is None:
abort(404)
if len(disliked_by) == 0:
user = User.query.get(liked_by)
if user is None:
abort(404)
like = Like.query.get((rating.rating_id, liked_by))
if like is not None:
abort(422)
dislike = DisLike.query.get((rating.rating_id, liked_by))
if dislike is not None:
dislike.delete()
like = Like(rating_id=rating.rating_id, liked_by=liked_by)
like.insert()
else:
user = User.query.get(disliked_by)
if user is None:
abort(404)
dislike = DisLike.query.get((rating.rating_id, disliked_by))
if dislike is not None:
abort(422)
like = Like.query.get((rating.rating_id, disliked_by))
if like is not None:
like.delete()
dislike = DisLike(rating_id=rating.rating_id, disliked_by=disliked_by)
dislike.insert()
return jsonify({'ratings': [rating.format() for rating in course.ratings]})
