Added basics for the runner team controller

ref #13

src/models/entities/RunnerTeam.ts

@@ -1,5 +1,6 @@
-import { Entity, Column, ManyToOne, ChildEntity } from "typeorm";
 import { IsNotEmpty } from "class-validator";
+import { ChildEntity, getConnectionManager, ManyToOne } from "typeorm";
+import { Runner } from './Runner';
 import { RunnerGroup } from "./RunnerGroup";
 import { RunnerOrganisation } from "./RunnerOrganisation";
 
@@ -16,4 +17,12 @@ export class RunnerTeam extends RunnerGroup {
   @IsNotEmpty()
   @ManyToOne(() => RunnerOrganisation, org => org.teams, { nullable: true })
   parentGroup?: RunnerOrganisation;
+
+  /**
+   * Returns all runners associated with this team.
+   */
+  public async getRunners() {
+    let runnerRepo = await getConnectionManager().get().getRepository(Runner);
+    return await runnerRepo.find({ group: this });
+  }
 }