Returns updated keys when running with beforeSave

src/Controllers/DatabaseController.js

@@ -179,21 +179,27 @@ DatabaseController.prototype.update = function(className, query, update, options
         return Promise.reject(new Parse.Error(Parse.Error.OBJECT_NOT_FOUND,
           'Object not found.'));
       }
-
-      let response = {};
-      Object.keys(originalUpdate).forEach(key => {
-        let keyUpdate = originalUpdate[key];
-        // determine if that was an op
-        if (keyUpdate && typeof keyUpdate === 'object' && keyUpdate.__op
-          && ['Add', 'AddUnique', 'Remove', 'Increment'].indexOf(keyUpdate.__op) > -1) {
-          // only valid ops that produce an actionable result
-          response[key] = result[key];
-        }
-      });
-      return response;
+      return sanitizeDatabaseResult(originalUpdate, result);
     });
 };
 
+function sanitizeDatabaseResult(originalObject, result) {
+  let response = {};
+  if (!result) {
+    return Promise.resolve(response);
+  }
+  Object.keys(originalObject).forEach(key => {
+    let keyUpdate = originalObject[key];
+    // determine if that was an op
+    if (keyUpdate && typeof keyUpdate === 'object' && keyUpdate.__op
+      && ['Add', 'AddUnique', 'Remove', 'Increment'].indexOf(keyUpdate.__op) > -1) {
+      // only valid ops that produce an actionable result
+      response[key] = result[key];
+    }
+  });
+  return Promise.resolve(response);
+}
+
 // Processes relation-updating operations from a REST-format update.
 // Returns a promise that resolves successfully when these are
 // processed.
@@ -318,6 +324,7 @@ DatabaseController.prototype.destroy = function(className, query, options = {})
 // Returns a promise that resolves successfully iff the object saved.
 DatabaseController.prototype.create = function(className, object, options) {
   // Make a copy of the object, so we don't mutate the incoming data.
+  let originalObject = object;
   object = deepcopy(object);
 
   var schema;
@@ -338,6 +345,9 @@ DatabaseController.prototype.create = function(className, object, options) {
     .then(coll => {
       var mongoObject = transform.transformCreate(schema, className, object);
       return coll.insertOne(mongoObject);
+    })
+    .then(result => {
+      return sanitizeDatabaseResult(originalObject, result.ops[0]);
     });
 };