Added card creation

#17

src/models/actions/CreateRunnerCard.ts

@@ -0,0 +1,45 @@
+import { IsBoolean, IsInt, IsOptional } from 'class-validator';
+import { getConnection } from 'typeorm';
+import { RunnerNotFoundError } from '../../errors/RunnerErrors';
+import { Runner } from '../entities/Runner';
+import { RunnerCard } from '../entities/RunnerCard';
+
+/**
+ * This classed is used to create a new RunnerCard entity from a json body (post request).
+ */
+export class CreateRunnerCard {
+    /**
+     * The card's associated runner.
+     */
+    @IsInt()
+    @IsOptional()
+    runner?: number;
+
+    /**
+     * Is the new card enabled (for fraud reasons)?
+     * Default: true
+     */
+    @IsBoolean()
+    enabled: boolean = true;
+
+    /**
+     * Creates a new RunnerCard entity from this.
+     */
+    public async toEntity(): Promise<RunnerCard> {
+        let newCard: RunnerCard = new RunnerCard();
+
+        newCard.enabled = this.enabled;
+        newCard.runner = await this.getRunner();
+
+        return newCard;
+    }
+
+    public async getRunner(): Promise<Runner> {
+        if (!this.runner) { return null; }
+        const runner = await getConnection().getRepository(Runner).findOne({ id: this.runner });
+        if (!runner) {
+            throw new RunnerNotFoundError();
+        }
+        return runner;
+    }
+}