Intruduced a new folder structure for action models

ref #76

src/models/actions/create/CreateTrack.ts

@@ -0,0 +1,46 @@
+import { IsInt, IsNotEmpty, IsOptional, IsPositive, IsString } from 'class-validator';
+import { TrackLapTimeCantBeNegativeError } from '../../errors/TrackErrors';
+import { Track } from '../entities/Track';
+
+/**
+ * This classed is used to create a new Track entity from a json body (post request).
+ */
+export class CreateTrack {
+    /**
+     * The new track's name.
+     */
+    @IsString()
+    @IsNotEmpty()
+    name: string;
+
+    /**
+     * The new 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;
+
+    /**
+     * Creates a new Track entity from this.
+     */
+    public toTrack(): Track {
+        let newTrack: Track = new Track();
+
+        newTrack.name = this.name;
+        newTrack.distance = this.distance;
+        newTrack.minimumLapTime = this.minimumLapTime;
+        if (this.minimumLapTime < 0) {
+            throw new TrackLapTimeCantBeNegativeError();
+        }
+
+        return newTrack;
+    }
+}