Relay Spec (#6089)

* Install graphql-relay

* Add relayNodeInterface to ParseGraphQLSchema

* Add support to global id

* Add support to global id in other operations

* Fix sort by glboal id

* Fix where by global id

* Introduce IdWhereInput

* Add Relay object identification tests

* Client mutation id on createFile mutation

* Client mutation id on callCloudCode mutation

* Client mutation id on signUp mutation

* Client mutation id on logIn mutation

* Client mutation id on logOut mutation

* Client mutation id on createClass mutation

* Client mutation id on updateClass mutation

* Client mutation id on deleteClass mutation

* Client mutation id on create object mutation

* Improve Viewer type

* Client mutation id on update object mutation

* Client mutation id on delete object mutation

* Introducing connections

* Fix tests

* Add pagination test

* Fix file location

* Fix postgres tests

* Add comments

* Tests to calculateSkipAndLimit

src/GraphQL/transformers/mutation.js

@@ -1,3 +1,5 @@
+import Parse from 'parse/node';
+import { fromGlobalId } from 'graphql-relay';
 import * as defaultGraphQLTypes from '../loaders/defaultGraphQLTypes';
 import * as objectsMutations from '../helpers/objectsMutations';
 
@@ -108,8 +110,9 @@ const transformers = {
     { config, auth, info }
   ) => {
     if (Object.keys(value) === 0)
-      throw new Error(
-        `You need to provide atleast one operation on the relation mutation of field ${field}`
+      throw new Parse.Error(
+        Parse.Error.INVALID_POINTER,
+        `You need to provide at least one operation on the relation mutation of field ${field}`
       );
 
     const op = {
@@ -143,11 +146,17 @@ const transformers = {
 
     if (value.add || nestedObjectsToAdd.length > 0) {
       if (!value.add) value.add = [];
-      value.add = value.add.map(input => ({
-        __type: 'Pointer',
-        className: targetClass,
-        objectId: input,
-      }));
+      value.add = value.add.map(input => {
+        const globalIdObject = fromGlobalId(input);
+        if (globalIdObject.type === targetClass) {
+          input = globalIdObject.id;
+        }
+        return {
+          __type: 'Pointer',
+          className: targetClass,
+          objectId: input,
+        };
+      });
       op.ops.push({
         __op: 'AddRelation',
         objects: [...value.add, ...nestedObjectsToAdd],
@@ -157,11 +166,17 @@ const transformers = {
     if (value.remove) {
       op.ops.push({
         __op: 'RemoveRelation',
-        objects: value.remove.map(input => ({
-          __type: 'Pointer',
-          className: targetClass,
-          objectId: input,
-        })),
+        objects: value.remove.map(input => {
+          const globalIdObject = fromGlobalId(input);
+          if (globalIdObject.type === targetClass) {
+            input = globalIdObject.id;
+          }
+          return {
+            __type: 'Pointer',
+            className: targetClass,
+            objectId: input,
+          };
+        }),
       });
     }
     return op;
@@ -174,7 +189,8 @@ const transformers = {
     { config, auth, info }
   ) => {
     if (Object.keys(value) > 1 || Object.keys(value) === 0)
-      throw new Error(
+      throw new Parse.Error(
+        Parse.Error.INVALID_POINTER,
         `You need to provide link OR createLink on the pointer mutation of field ${field}`
       );
 
@@ -199,10 +215,15 @@ const transformers = {
       };
     }
     if (value.link) {
+      let objectId = value.link;
+      const globalIdObject = fromGlobalId(objectId);
+      if (globalIdObject.type === targetClass) {
+        objectId = globalIdObject.id;
+      }
       return {
         __type: 'Pointer',
         className: targetClass,
-        objectId: value.link,
+        objectId,
       };
     }
   },