Allow a default group to be set

app/router.js

@@ -7,5 +7,6 @@ export default class Router extends EmberRouter {
 }
 
 Router.map(function () {
-  this.route('worldcup', { path: ':id' });
+  this.route('worldcup', { path: '/' });
+  this.route('worldcup', { path: '/:id' });
 });

app/routes/worldcup.ts

@@ -3,15 +3,20 @@ import { inject as service } from '@ember/service';
 import Api from 'worldcup/services/api';
 import { taskFor } from 'ember-concurrency-ts';
 import Sweepstakes, { Player } from 'worldcup/services/sweepstakes';
+import ENV from 'worldcup/config/environment';
 
 export default class WorldCup extends Route {
   @service declare api: Api;
   @service declare sweepstakes: Sweepstakes;
 
   async model(params: { id: string }) {
     var players: Player[];
+    var id = params.id;
+    if (id === undefined) {
+      id = ENV.APP.default_group as string;
+    }
     try {
-      let response = await fetch(`/players/${params.id}.json`);
+      let response = await fetch(`/players/${id}.json`);
       let loadedData = await response.json();
       players = loadedData.players;
     } catch {

config/environment.js

@@ -20,6 +20,7 @@ module.exports = function (environment) {
     APP: {
       // Here you can pass flags/options to your application instance
       // when it is created
+      default_group: process.env.DEFAULT_GROUP,
     },
   };