update topics logix

schema.graphql

@@ -75,6 +75,10 @@ type Mutation {
   # rateUser(value: Int!): Result!
   # updateOnlineStatus: Result!
   updateProfile(profile: ProfileInput!): Result!
+
+  # topics
+  topicSubscribe(slug: String!): Result!
+  topicUnsubscribe(slug: String!): Result!
 }
 
 ################################### Query
@@ -107,6 +111,11 @@ type Query {
   favoritesShouts(limit: Int): [Shout]!
   topAuthors(limit: Int): [User]!
 
+  # topics
+  topicsBySlugs(slugs: [String]!): [Topic]!
+  topicsByCommunity(community: String!): [Topic]!
+  topicsByAuthor(author: String!): [Topic]!
+
   # getOnlineUsers: [User!]!
 }
 
@@ -120,6 +129,7 @@ type Subscription {
   onlineUpdated: [User!]!
   shoutUpdated: Shout!
   userUpdated: User!
+  topicUpdated: Shout!
 }
 
 ############################################ Entities
@@ -253,8 +263,6 @@ type Topic {
   title: String
   body: String
   pic: String
-  createdBy: Int! # User
-  createdAt: DateTime!
   parents: [String] # NOTE: topic can have parent topics
   children: [String] # and children
   cat_id: String