Implemented "normal" scan updateing

ref #67

src/models/actions/UpdateScan.ts

@@ -0,0 +1,59 @@
+import { IsBoolean, IsInt, IsOptional, IsPositive } from 'class-validator';
+import { getConnection } from 'typeorm';
+import { RunnerNotFoundError } from '../../errors/RunnerErrors';
+import { Runner } from '../entities/Runner';
+import { Scan } from '../entities/Scan';
+
+/**
+ * This classed is used to create a new Scan entity from a json body (post request).
+ */
+export abstract class UpdateScan {
+    /**
+     * The updated scan'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;
+
+    /**
+     * The updated scan's associated runner.
+     * This is important to link ran distances to runners.
+     */
+    @IsInt()
+    @IsPositive()
+    runner: number;
+
+    /**
+     * Is the updated scan valid (for fraud reasons).
+     */
+    @IsBoolean()
+    @IsOptional()
+    valid?: boolean = true;
+
+    /**
+     * The updated scan's distance in meters.
+     */
+    @IsInt()
+    @IsPositive()
+    public distance: number;
+
+    /**
+     * Update a Scan entity based on this.
+     * @param scan The scan that shall be updated.
+     */
+    public async updateScan(scan: Scan): Promise<Scan> {
+        scan.distance = this.distance;
+        scan.valid = this.valid;
+        scan.runner = await this.getRunner();
+
+        return scan;
+    }
+
+    public async getRunner(): Promise<Runner> {
+        const runner = await getConnection().getRepository(Runner).findOne({ id: this.runner });
+        if (!runner) {
+            throw new RunnerNotFoundError();
+        }
+        return runner;
+    }
+}