Moved to a "cleaner" directory structure

ref #11

src/models/entities/Runner.ts

@@ -0,0 +1,44 @@
+import { Entity, Column, OneToMany, ManyToOne, ChildEntity } from "typeorm";
+import { IsInt, IsNotEmpty, } from "class-validator";
+import { Participant } from "./Participant";
+import { RunnerGroup } from "./RunnerGroup";
+import { DistanceDonation } from "./DistanceDonation";
+import { RunnerCard } from "./RunnerCard";
+import { Scan } from "./Scan";
+
+/**
+ * Defines a runner.
+*/
+@ChildEntity()
+export class Runner extends Participant {
+  /**
+   * The runner's associated group.
+   */
+  @IsNotEmpty()
+  @ManyToOne(() => RunnerGroup, group => group.runners, { nullable: true })
+  group: RunnerGroup;
+
+  /**
+   * Used to link runners to donations.
+   */
+  @OneToMany(() => DistanceDonation, distanceDonation => distanceDonation.runner, { nullable: true })
+  distanceDonations: DistanceDonation[];
+
+  /**
+   * Used to link runners to cards.
+   */
+  @OneToMany(() => RunnerCard, card => card.runner, { nullable: true })
+  cards: RunnerCard[];
+
+  /**
+   * Used to link runners to a scans
+   */
+  @OneToMany(() => Scan, scan => scan.runner, { nullable: true })
+  scans: Scan[];
+
+  @IsInt()
+  public get distance(): number {
+    return this.scans.filter(scan => scan.valid === true).reduce((sum, current) => sum + current.distance, 0);
+  }
+
+}