Implemented the interface in all responses

refr #132

src/models/responses/ResponseTrackScan.ts

@@ -1,5 +1,7 @@
 import { IsDateString, IsNotEmpty } from "class-validator";
 import { TrackScan } from '../entities/TrackScan';
+import { ResponseObjectType } from '../enums/ResponseObjectType';
+import { IResponse } from './IResponse';
 import { ResponseRunnerCard } from './ResponseRunnerCard';
 import { ResponseScan } from './ResponseScan';
 import { ResponseScanStation } from './ResponseScanStation';
@@ -8,10 +10,16 @@ import { ResponseTrack } from './ResponseTrack';
 /**
  * Defines the trackScan response.
 */
-export class ResponseTrackScan extends ResponseScan {
+export class ResponseTrackScan extends ResponseScan implements IResponse {
     /**
-   * The scan's associated track.
-   */
+    * The responseType.
+    * This contains the type of class/entity this response contains.
+    */
+    responseType: ResponseObjectType = ResponseObjectType.TRACKSCAN;
+
+    /**
+     * The scan's associated track.
+     */
     @IsNotEmpty()
     track: ResponseTrack;