Marked station as optional (quality of life improvements incoming)

ref #160

src/models/actions/create/CreateTrackScan.ts

@@ -1,4 +1,5 @@
-import { IsInt, IsPositive } from 'class-validator';
+import { IsInt, IsOptional, IsPositive } from 'class-validator';
+import { NotAcceptableError } from 'routing-controllers';
 import { getConnection } from 'typeorm';
 import { RunnerCardNotFoundError } from '../../../errors/RunnerCardErrors';
 import { RunnerNotFoundError } from '../../../errors/RunnerErrors';
@@ -22,10 +23,12 @@ export class CreateTrackScan {
     /**
      * The scanning station's id that created the scan.
      * Mainly used for logging and traceing back scans (or errors).
+     * You don't have to provide the station if you're authenticateing via a scanstation token (The server takes care of it for you).
      */
     @IsInt()
     @IsPositive()
-    station: number;
+    @IsOptional()
+    station?: number;
 
     /**
      * Creates a new Track entity from this.