Support unpinning Post

backend/src/schema/resolvers/posts.js

@@ -113,9 +113,10 @@ export default {
       return post
     },
     UpdatePost: async (_parent, params, context, _resolveInfo) => {
-      const { categoryIds, pinned } = params
+      const { categoryIds, pinned, unpinned } = params
       const { id: userId } = context.user
       delete params.pinned
+      delete params.unpinned
       delete params.categoryIds
       params = await fileUpload(params, { file: 'imageUpload', url: 'image' })
       const session = context.driver.session()
@@ -142,6 +143,16 @@ export default {
         `
       }
 
+      if (unpinned) {
+        const cypherRemovePinnedStatus = `
+          MATCH ()-[previousRelations:PINNED]->(post:Post {id: $params.id})
+          DELETE previousRelations
+          RETURN post
+      `
+
+        await session.run(cypherRemovePinnedStatus, { params })
+      }
+
       if (pinned) {
         const cypherDeletePreviousRelations = `
           MATCH ()-[previousRelations:PINNED]->(post:Post)

backend/src/schema/types/type/Post.gql

@@ -85,6 +85,7 @@ type Mutation {
     language: String
     categoryIds: [ID]
     pinned: Boolean
+    unpinned: Boolean
   ): Post
   DeletePost(id: ID!): Post
   AddPostEmotions(to: _PostInput!, data: _EMOTEDInput!): EMOTED

backend/src/schema/types/type/User.gql

@@ -121,6 +121,7 @@ input _UserFilter {
 	followedBy_none: _UserFilter
 	followedBy_single: _UserFilter
 	followedBy_every: _UserFilter
+  role_in: [UserGroup!]
 }
 
 type Query {