Refactor and deduplicate RolesRouter, fix missing query on /roles.

src/Routers/RolesRouter.js

@@ -0,0 +1,43 @@
+
+import ClassesRouter from './ClassesRouter';
+import PromiseRouter from '../PromiseRouter';
+import rest from '../rest';
+
+export class RolesRouter extends ClassesRouter {
+  handleFind(req) {
+    req.params.className = '_Role';
+    return super.handleFind(req);
+  }
+
+  handleGet(req) {
+    req.params.className = '_Role';
+    return super.handleGet(req);
+  }
+
+  handleCreate(req) {
+    req.params.className = '_Role';
+    return super.handleCreate(req);
+  }
+
+  handleUpdate(req) {
+    req.params.className = '_Role';
+    return super.handleUpdate(req);
+  }
+
+  handleDelete(req) {
+    req.params.className = '_Role';
+    return super.handleDelete(req);
+  }
+
+  getExpressRouter() {
+    let router = new PromiseRouter();
+    router.route('GET','/roles', req => { return this.handleFind(req); });
+    router.route('GET','/roles/:objectId', req => { return this.handleGet(req); });
+    router.route('POST','/roles', req => { return this.handleCreate(req); });
+    router.route('PUT','/roles/:objectId', req => { return this.handleUpdate(req); });
+    router.route('DELETE','/roles/:objectId', req => { return this.handleDelete(req); });
+    return router;
+  }
+}
+
+export default RolesRouter;