add userSubscribedTopics

resolvers/profile.py

@@ -2,6 +2,7 @@ from orm import User, UserRole, Role, UserRating
 from orm.user import AuthorSubscription, UserStorage
 from orm.comment import Comment
 from orm.base import local_session
+from orm.topic import Topic, TopicSubscription
 from resolvers.base import mutation, query, subscription
 from auth.authenticate import login_required
 
@@ -81,6 +82,14 @@ async def user_subscribers(_, info, slug):
 			where(AuthorSubscription.author == slug)
 	return users
 
+@query.field("userSubscribedTopics")
+async def user_subscribed_topics(_, info, slug):
+	with local_session() as session:
+		topics = session.query(Topic).\
+			join(TopicSubscription).\
+			where(TopicSubscription.subscriber == slug)
+	return topics
+
 @mutation.field("rateUser")
 @login_required
 async def rate_user(_, info, slug, value):

schema.graphql

@@ -170,6 +170,7 @@ type Query {
   userComments(slug: String!, page: Int!, size: Int!): [Comment]!
   userSubscriptions(slug: String!): [User]!
   userSubscribers(slug: String!): [User]!
+  userSubscribedTopics(slug: String!): [Topic]!
 
   # messages
   enterChat(chatId: String!, size: Int = 50): EnterChatResult!