Intruduced a new folder structure for action models

ref #76

src/models/actions/update/UpdateTrack.ts

@@ -0,0 +1,50 @@
+import { IsInt, IsNotEmpty, IsOptional, IsPositive, IsString } from 'class-validator';
+import { TrackLapTimeCantBeNegativeError } from '../../errors/TrackErrors';
+import { Track } from '../entities/Track';
+
+/**
+ * This class is used to update a Track entity (via put request).
+ */
+export class UpdateTrack {
+    /**
+     * The updated track's id.
+     * This shouldn't have changed but it is here in case anyone ever wants to enable id changes (whyever they would want to).
+     */
+    @IsInt()
+    id: number;
+
+    @IsString()
+    @IsNotEmpty()
+    name: string;
+
+    /**
+     * The updated track's distance in meters (must be greater than 0).
+     */
+    @IsInt()
+    @IsPositive()
+    distance: number;
+
+    /**
+     * The minimum time a runner should take to run a lap on this track (in seconds).
+     * Will be used for fraud detection.
+     */
+    @IsInt()
+    @IsOptional()
+    minimumLapTime: number;
+
+
+    /**
+     * Update a Track entity based on this.
+     * @param track The track that shall be updated.
+     */
+    public updateTrack(track: Track): Track {
+        track.name = this.name;
+        track.distance = this.distance;
+        track.minimumLapTime = this.minimumLapTime;
+        if (this.minimumLapTime < 0) {
+            throw new TrackLapTimeCantBeNegativeError();
+        }
+
+        return track;
+    }
+}