Intruduced a new folder structure for action models

ref #76

src/models/actions/create/CreateTrackScan.ts

@@ -0,0 +1,79 @@
+import { IsInt, IsPositive } from 'class-validator';
+import { getConnection } from 'typeorm';
+import { RunnerCardNotFoundError } from '../../errors/RunnerCardErrors';
+import { RunnerNotFoundError } from '../../errors/RunnerErrors';
+import { ScanStationNotFoundError } from '../../errors/ScanStationErrors';
+import { RunnerCard } from '../entities/RunnerCard';
+import { ScanStation } from '../entities/ScanStation';
+import { TrackScan } from '../entities/TrackScan';
+
+/**
+ * This classed is used to create a new Scan entity from a json body (post request).
+ */
+export class CreateTrackScan {
+    /**
+     * The runnerCard associated with the scan.
+     * This get's saved for documentation and management purposes.
+     */
+    @IsInt()
+    @IsPositive()
+    card: number;
+
+    /**
+     * The scanning station that created the scan.
+     * Mainly used for logging and traceing back scans (or errors)
+     */
+    @IsInt()
+    @IsPositive()
+    station: number;
+
+    /**
+     * Creates a new Track entity from this.
+     */
+    public async toScan(): Promise<TrackScan> {
+        let newScan: TrackScan = new TrackScan();
+
+        newScan.station = await this.getStation();
+        newScan.card = await this.getCard();
+
+        newScan.track = newScan.station.track;
+        newScan.runner = newScan.card.runner;
+
+        if (!newScan.runner) {
+            throw new RunnerNotFoundError();
+        }
+
+        newScan.timestamp = Math.round(new Date().getTime() / 1000);
+        newScan.valid = await this.validateScan(newScan);
+
+        return newScan;
+    }
+
+    public async getCard(): Promise<RunnerCard> {
+        const track = await getConnection().getRepository(RunnerCard).findOne({ id: this.card }, { relations: ["runner"] });
+        if (!track) {
+            throw new RunnerCardNotFoundError();
+        }
+        return track;
+    }
+
+    public async getStation(): Promise<ScanStation> {
+        const station = await getConnection().getRepository(ScanStation).findOne({ id: this.station }, { relations: ["track"] });
+        if (!station) {
+            throw new ScanStationNotFoundError();
+        }
+        return station;
+    }
+
+    public async validateScan(scan: TrackScan): Promise<boolean> {
+        const scans = await getConnection().getRepository(TrackScan).find({ where: { runner: scan.runner, valid: true }, relations: ["track"] });
+        if (scans.length == 0) { return true; }
+
+        const newestScan = scans[scans.length - 1];
+        if ((scan.timestamp - newestScan.timestamp) > scan.track.minimumLapTime) {
+            return true;
+        }
+
+        return false;
+    }
+}