pass array to groups.destroy

pass array to db.sortedSetRemove

src/categories/delete.js

@@ -58,9 +58,9 @@ module.exports = function (Categories) {
 				], next);
 			},
 			function (next) {
-				async.eachSeries(privileges.privilegeList, function (privilege, next) {
-					groups.destroy('cid:' + cid + ':privileges:' + privilege, next);
-				}, next);
+				groups.destroy(privileges.privilegeList.map(function (privilege) {
+					return 'cid:' + cid + ':privileges:' + privilege;
+				}), next);
 			},
 		], function (err) {
 			callback(err);

src/user/notifications.js

@@ -96,16 +96,10 @@ function deleteUserNids(nids, uid, callback) {
 	if (!nids.length) {
 		return setImmediate(callback);
 	}
-	async.parallel([
-		function (next) {
-			db.sortedSetRemove('uid:' + uid + ':notifications:read', nids, next);
-		},
-		function (next) {
-			db.sortedSetRemove('uid:' + uid + ':notifications:unread', nids, next);
-		},
-	], function (err) {
-		callback(err);
-	});
+	db.sortedSetRemove([
+		'uid:' + uid + ':notifications:read',
+		'uid:' + uid + ':notifications:unread',
+	], nids, callback);
 }
 
 function getNotifications(uid, start, stop, callback) {

test/database/sorted.js

@@ -678,6 +678,26 @@ describe('Sorted Set methods', function () {
 				});
 			});
 		});
+
+		it('should remove multiple values from multiple keys', function (done) {
+			db.sortedSetAdd('multiTest5', [1], ['one'], function (err) {
+				assert.ifError(err);
+				db.sortedSetAdd('multiTest6', [2], ['two'], function (err) {
+					assert.ifError(err);
+					db.sortedSetAdd('multiTest7', [3], ['three'], function (err) {
+						assert.ifError(err);
+						db.sortedSetRemove(['multiTest5', 'multiTest6', 'multiTest7'], ['one', 'two', 'three'], function (err) {
+							assert.ifError(err);
+							db.getSortedSetsMembers(['multiTest5', 'multiTest6', 'multiTest7'], function (err, members) {
+								assert.ifError(err);
+								assert.deepEqual(members, [[], [], []]);
+								done();
+							});
+						});
+					});
+				});
+			});
+		});
 	});
 
 	describe('sortedSetsRemove()', function () {