Create UpdateComment resolver, update UpdateUser

- UpdateUser should update updatedAt at point of insertion in the
database as well

backend/src/middleware/permissionsMiddleware.js

@@ -78,7 +78,7 @@ const invitationLimitReached = rule({
 
 const isAuthor = rule({
   cache: 'no_cache',
-})(async (parent, args, { user, driver }) => {
+})(async (_parent, args, { user, driver }) => {
   if (!user) return false
   const session = driver.session()
   const { id: resourceId } = args

backend/src/schema/resolvers/comments.js

@@ -30,11 +30,24 @@ export default {
       })
       session.close()
 
-      const [response] = transactionRes.records.map(record => record.get('comment').properties)
+      const [comment] = transactionRes.records.map(record => record.get('comment').properties)
 
-      return response
+      return comment
     },
-    DeleteComment: async (object, args, context, resolveInfo) => {
+    UpdateComment: async (_parent, params, context, _resolveInfo) => {
+      const session = context.driver.session()
+      const updateCommentCypher = `
+        MATCH (comment:Comment {id: $params.id})
+        SET comment += $params
+        SET comment.updatedAt = toString(datetime())
+        RETURN comment
+      `
+      const transactionRes = await session.run(updateCommentCypher, { params })
+      session.close()
+      const [comment] = transactionRes.records.map(record => record.get('comment').properties)
+      return comment
+    },
+    DeleteComment: async (_parent, args, context, _resolveInfo) => {
       const session = context.driver.session()
       const transactionRes = await session.run(
         `

backend/src/schema/resolvers/users.js

@@ -100,7 +100,7 @@ export default {
       try {
         const user = await instance.find('User', args.id)
         if (!user) return null
-        await user.update(args)
+        await user.update({ ...args, updatedAt: new Date().toISOString() })
         return user.toJson()
       } catch (e) {
         throw new UserInputError(e.message)