Added Creation class for ScanSatations

ref #67

src/models/actions/CreateScanStation.ts

@@ -0,0 +1,53 @@
+import * as argon2 from "argon2";
+import { IsInt, IsOptional, IsPositive, IsString } from 'class-validator';
+import crypto from 'crypto';
+import { getConnection } from 'typeorm';
+import * as uuid from 'uuid';
+import { TrackNotFoundError } from '../../errors/TrackErrors';
+import { ScanStation } from '../entities/ScanStation';
+import { Track } from '../entities/Track';
+
+/**
+ * This classed is used to create a new StatsClient entity from a json body (post request).
+ */
+export class CreateStatsClient {
+    /**
+     * The new client's description.
+     */
+    @IsString()
+    @IsOptional()
+    description?: string;
+
+    /**
+     * The scan's associated track.
+     * This is used to determine the scan's distance.
+     */
+    @IsInt()
+    @IsPositive()
+    track: number;
+
+    /**
+     * Converts this to a ScanStation entity.
+     */
+    public async toEntity(): Promise<ScanStation> {
+        let newStation: ScanStation = new ScanStation();
+
+        newStation.description = this.description;
+        newStation.track = await this.getTrack();
+
+        let newUUID = uuid.v4().toUpperCase();
+        newStation.prefix = crypto.createHash("sha3-512").update(newUUID).digest('hex').substring(0, 7).toUpperCase();
+        newStation.key = await argon2.hash(newStation.prefix + "." + newUUID);
+        newStation.cleartextkey = newStation.prefix + "." + newUUID;
+
+        return newStation;
+    }
+
+    public async getTrack(): Promise<Track> {
+        const track = await getConnection().getRepository(Track).findOne({ id: this.track });
+        if (!track) {
+            throw new TrackNotFoundError();
+        }
+        return track;
+    }
+}