Refactor and deduplicate logic in SessionsRouter.

src/Routers/SessionsRouter.js

@@ -0,0 +1,63 @@
+
+import ClassesRouter from './ClassesRouter';
+import PromiseRouter from '../PromiseRouter';
+import rest from '../rest';
+import Auth from '../Auth';
+
+export class SessionsRouter extends ClassesRouter {
+  handleFind(req) {
+    req.params.className = '_Session';
+    return super.handleFind(req);
+  }
+
+  handleGet(req) {
+    req.params.className = '_Session';
+    return super.handleGet(req);
+  }
+
+  handleCreate(req) {
+    req.params.className = '_Session';
+    return super.handleCreate(req);
+  }
+
+  handleUpdate(req) {
+    req.params.className = '_Session';
+    return super.handleUpdate(req);
+  }
+
+  handleDelete(req) {
+    req.params.className = '_Session';
+    return super.handleDelete(req);
+  }
+
+  handleMe(req) {
+    // TODO: Verify correct behavior
+    if (!req.info || !req.info.sessionToken) {
+      throw new Parse.Error(Parse.Error.INVALID_SESSION_TOKEN,
+        'Session token required.');
+    }
+    return rest.find(req.config, Auth.master(req.config), '_Session', { _session_token: req.info.sessionToken })
+      .then((response) => {
+        if (!response.results || response.results.length == 0) {
+          throw new Parse.Error(Parse.Error.INVALID_SESSION_TOKEN,
+            'Session token not found.');
+        }
+        return {
+          response: response.results[0]
+        };
+      });
+  }
+
+  getExpressRouter() {
+    let router = new PromiseRouter();
+    router.route('GET','/sessions/me', req => { return this.handleMe(req); });
+    router.route('GET', '/sessions', req => { return this.handleFind(req); });
+    router.route('GET', '/sessions/:objectId', req => { return this.handleGet(req); });
+    router.route('POST', '/sessions', req => { return this.handleCreate(req); });
+    router.route('PUT', '/sessions/:objectId', req => { return this.handleUpdate(req); });
+    router.route('DELETE', '/sessions/:objectId', req => { return this.handleDelete(req); });
+    return router;
+  }
+}
+
+export default SessionsRouter;