Add API to remove mailboxes by domain

src/mailboxdb.js

@@ -17,6 +17,7 @@ exports = module.exports = {
 
     getByOwnerId: getByOwnerId,
     delByOwnerId: delByOwnerId,
+    delByDomain: delByDomain,
 
     updateName: updateName,
 
@@ -72,6 +73,18 @@ function del(name, domain, callback) {
     });
 }
 
+function delByDomain(domain, callback) {
+    assert.strictEqual(typeof domain, 'string');
+    assert.strictEqual(typeof callback, 'function');
+
+    // deletes aliases as well
+    database.query('DELETE FROM mailboxes WHERE domain = ?', [ domain ], function (error) {
+        if (error) return callback(new DatabaseError(DatabaseError.INTERNAL_ERROR, error));
+
+        callback(null);
+    });
+}
+
 function delByOwnerId(id, callback) {
     assert.strictEqual(typeof id, 'string');
     assert.strictEqual(typeof callback, 'function');