feat(runners): Include collected distance donation amount in runner detail

src/models/responses/ResponseRunner.ts

@@ -27,6 +27,13 @@ export class ResponseRunner extends ResponseParticipant implements IResponse {
     @IsInt()
     distance: number;
 
+    /**
+     * The runner's current donation amount based on distance.
+     * Only available for queries for single runners.
+     */
+    @IsInt()
+    donationAmount: number;
+
     /**
      * The runner's group.
      */
@@ -50,6 +57,10 @@ export class ResponseRunner extends ResponseParticipant implements IResponse {
         else { this.distance = runner.validScans.reduce((sum, current) => sum + current.distance, 0); }
         if (runner.group) { this.group = runner.group.toResponse(); }
 
+        if (runner.distanceDonations) {
+            this.donationAmount = runner.distanceDonations.reduce((sum, current) => sum + (current.amountPerDistance * runner.distance / 1000), 0);
+        }
+
         if (generateSelfServiceLink) {
             const token = JwtCreator.createSelfService(runner);
             this.selfserviceLink = `${process.env.SELFSERVICE_URL}/profile/${token}`;