Live query CLP (#4387)

* Auth module refactoring in order to be reusable

* Ensure cache controller is properly forwarded from helpers

* Nits

* Adds support for static validation

* Adds support for CLP in Live query (no support for roles yet)

* Adds e2e test to validate liveQuery hooks is properly called

* Adds tests over LiveQueryController to ensure data is correctly transmitted

* nits

* Fixes for flow types

* Removes usage of Parse.Promise

* Use the Auth module for authentication and caches

* Cleaner implementation of getting auth

* Adds authCache that stores auth promises

* Proper testing of the caching

* nits

src/rest.js

@@ -101,7 +101,7 @@ function del(config, auth, className, objectId) {
 
   enforceRoleSecurity('delete', className, auth);
 
-  var inflatedObject;
+  let inflatedObject;
 
   return Promise.resolve()
     .then(() => {
@@ -113,7 +113,7 @@ function del(config, auth, className, objectId) {
       if (hasTriggers || hasLiveQuery || className == '_Session') {
         return new RestQuery(config, auth, className, { objectId })
           .forWrite()
-          .execute()
+          .execute({ op: 'delete' })
           .then(response => {
             if (response && response.results && response.results.length) {
               const firstResult = response.results[0];
@@ -172,7 +172,15 @@ function del(config, auth, className, objectId) {
     })
     .then(() => {
       // Notify LiveQuery server if possible
-      config.liveQueryController.onAfterDelete(className, inflatedObject);
+      config.database.loadSchema().then(schemaController => {
+        const perms = schemaController.getClassLevelPermissions(className);
+        config.liveQueryController.onAfterDelete(
+          className,
+          inflatedObject,
+          null,
+          perms
+        );
+      });
       return triggers.maybeRunTrigger(
         triggers.Types.afterDelete,
         auth,