Add LiveQuery

src/Controllers/LiveQueryController.js

@@ -0,0 +1,51 @@
+import { ParseCloudCodePublisher } from '../LiveQuery/ParseCloudCodePublisher';
+
+export class LiveQueryController {
+  classNames: any;
+  liveQueryPublisher: any;
+
+  constructor(config: any) {
+    let classNames;
+    // If config is empty, we just assume no classs needs to be registered as LiveQuery
+    if (!config || !config.classNames) {
+      this.classNames = new Set();
+    } else if (config.classNames instanceof Array) {
+      this.classNames = new Set(config.classNames);
+    } else {
+      throw 'liveQuery.classes should be an array of string'
+    }
+    this.liveQueryPublisher = new ParseCloudCodePublisher(config);
+  }
+
+  onAfterSave(className: string, currentObject: any, originalObject: any) {
+    if (!this.hasLiveQuery(className)) {
+      return;
+    }
+    let req = this._makePublisherRequest(currentObject, originalObject);
+    this.liveQueryPublisher.onCloudCodeAfterSave(req);
+  }
+
+  onAfterDelete(className: string, currentObject: any, originalObject: any) {
+    if (!this.hasLiveQuery(className)) {
+      return;
+    }
+    let req = this._makePublisherRequest(currentObject, originalObject);
+    this.liveQueryPublisher.onCloudCodeAfterDelete(req);
+  }
+
+  hasLiveQuery(className: string): boolean {
+    return this.classNames.has(className);
+  }
+
+  _makePublisherRequest(currentObject: any, originalObject: any): any {
+    let req = {
+      object: currentObject
+    };
+    if (currentObject) {
+      req.original = originalObject;
+    }
+    return req;
+  }
+}
+
+export default LiveQueryController;