Added payedDonationAmount to donor and responsedonor

ref #193

src/models/responses/ResponseDonor.ts

@@ -28,6 +28,12 @@ export class ResponseDonor extends ResponseParticipant implements IResponse {
     @IsInt()
     donationAmount: number;
 
+    /**
+    * Returns the total payed donations of a donor based on his linked donations.
+    */
+    @IsInt()
+    payedDonationAmount: number;
+
     /**
      * Creates a ResponseRunner object from a runner.
      * @param runner The user the response shall be build for.