Implemented services and routes

src/app/Hero.ts

@@ -0,0 +1,4 @@
+export class Hero {
+  id: number;
+  name: string;
+}

src/app/app-routing.module.ts

@@ -1,7 +1,14 @@
 import { NgModule } from '@angular/core';
-import { Routes, RouterModule } from '@angular/router';
+import { 
+  Routes, 
+  RouterModule 
+} from '@angular/router';
 
-const routes: Routes = [];
+import { HeroesComponent } from './heroes/heroes.component';
+
+const routes: Routes = [
+  { path: 'heroes', component: HeroesComponent }
+];
 
 @NgModule({
   imports: [RouterModule.forRoot(routes)],

src/app/app.component.html

@@ -1,21 +1,6 @@
-<!--The content below is only a placeholder and can be replaced.-->
-<div style="text-align:center">
-  <h1>
-    Welcome to {{ title }}!
-  </h1>
-  <img width="300" alt="Angular Logo" src="data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNTAgMjUwIj4KICAgIDxwYXRoIGZpbGw9IiNERDAwMzEiIGQ9Ik0xMjUgMzBMMzEuOSA2My4ybDE0LjIgMTIzLjFMMTI1IDIzMGw3OC45LTQzLjcgMTQuMi0xMjMuMXoiIC8+CiAgICA8cGF0aCBmaWxsPSIjQzMwMDJGIiBkPSJNMTI1IDMwdjIyLjItLjFWMjMwbDc4LjktNDMuNyAxNC4yLTEyMy4xTDEyNSAzMHoiIC8+CiAgICA8cGF0aCAgZmlsbD0iI0ZGRkZGRiIgZD0iTTEyNSA1Mi4xTDY2LjggMTgyLjZoMjEuN2wxMS43LTI5LjJoNDkuNGwxMS43IDI5LjJIMTgzTDEyNSA1Mi4xem0xNyA4My4zaC0zNGwxNy00MC45IDE3IDQwLjl6IiAvPgogIDwvc3ZnPg==">
-</div>
-<h2>Here are some links to help you start: </h2>
-<ul>
-  <li>
-    <h2><a target="_blank" rel="noopener" href="https://angular.io/tutorial">Tour of Heroes</a></h2>
-  </li>
-  <li>
-    <h2><a target="_blank" rel="noopener" href="https://angular.io/cli">CLI Documentation</a></h2>
-  </li>
-  <li>
-    <h2><a target="_blank" rel="noopener" href="https://blog.angular.io/">Angular blog</a></h2>
-  </li>
-</ul>
-
+<h1>{{title}}</h1>
+<nav>
+  <a routerLink="/heroes">Heroes</a>
+</nav>
 <router-outlet></router-outlet>
+<app-messages></app-messages>

src/app/app.component.scss

@@ -0,0 +1,35 @@
+/* AppComponent's private CSS styles */
+h1 {
+  font-size: 1.2em;
+  color: #999;
+  margin-bottom: 0;
+}
+
+h2 {
+  font-size: 2em;
+  margin-top: 0;
+  padding-top: 0;
+}
+
+nav a {
+  padding: 5px 10px;
+  text-decoration: none;
+  margin-top: 10px;
+  display: inline-block;
+  background-color: #eee;
+  border-radius: 4px;
+}
+
+nav a:visited, 
+a:link {
+  color: #607d8b;
+}
+
+nav a:hover {
+  color: #039be5;
+  background-color: #cfd8dc;
+}
+
+nav a.active {
+  color: #039be5;
+}

src/app/app.component.ts

@@ -6,5 +6,5 @@ import { Component } from '@angular/core';
   styleUrls: ['./app.component.scss']
 })
 export class AppComponent {
-  title = 'angular-tour-of-heroes';
+  title = 'Angular Tour of Heroes';
 }

src/app/app.module.ts

@@ -1,18 +1,34 @@
 import { BrowserModule } from '@angular/platform-browser';
 import { NgModule } from '@angular/core';
+import { FormsModule } from '@angular/forms';
+import { AppComponent } from './app.component';
+import { HeroesComponent } from './heroes/heroes.component';
+import { HeroDetailComponent } from './hero-detail/hero-detail.component';
+import { MessagesComponent } from './messages/messages.component';
 
 import { AppRoutingModule } from './app-routing.module';
-import { AppComponent } from './app.component';
+import { DashboardComponent } from './dashboard/dashboard.component';
 
 @NgModule({
   declarations: [
-    AppComponent
+    AppComponent,
+    HeroesComponent,
+    HeroDetailComponent,
+    MessagesComponent,
+    DashboardComponent,
   ],
+
   imports: [
+    AppRoutingModule,
     BrowserModule,
-    AppRoutingModule
+    FormsModule,
   ],
-  providers: [],
-  bootstrap: [AppComponent]
+
+  providers: [
+    // no need to place any providers due to the `providedIn` flag...
+  ],
+
+  bootstrap: [ AppComponent ]
 })
+
 export class AppModule { }

src/app/dashboard/dashboard.component.html

@@ -0,0 +1,3 @@
+<p>
+  dashboard works!
+</p>

src/app/dashboard/dashboard.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { DashboardComponent } from './dashboard.component';
+
+describe('DashboardComponent', () => {
+  let component: DashboardComponent;
+  let fixture: ComponentFixture<DashboardComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ DashboardComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(DashboardComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/dashboard/dashboard.component.ts

@@ -0,0 +1,15 @@
+import { Component, OnInit } from '@angular/core';
+
+@Component({
+  selector: 'app-dashboard',
+  templateUrl: './dashboard.component.html',
+  styleUrls: ['./dashboard.component.scss']
+})
+export class DashboardComponent implements OnInit {
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+}

src/app/hero-detail/hero-detail.component.html

@@ -0,0 +1,9 @@
+<div *ngIf="hero">
+  <h2>{{hero.name | uppercase}} Details</h2>
+  <div><span>id: </span>{{hero.id}}</div>
+  <div>
+    <label>name:
+      <input [(ngModel)]="hero.name" placeholder="name"/>
+    </label>
+  </div>
+</div>

src/app/hero-detail/hero-detail.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { HeroDetailComponent } from './hero-detail.component';
+
+describe('HeroDetailComponent', () => {
+  let component: HeroDetailComponent;
+  let fixture: ComponentFixture<HeroDetailComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ HeroDetailComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(HeroDetailComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/hero-detail/hero-detail.component.ts

@@ -0,0 +1,17 @@
+import { Component, OnInit, Input } from '@angular/core';
+import { Hero } from '../hero';
+
+@Component({
+  selector: 'app-hero-detail',
+  templateUrl: './hero-detail.component.html',
+  styleUrls: ['./hero-detail.component.scss']
+})
+export class HeroDetailComponent implements OnInit {
+  @Input() hero: Hero;
+
+  constructor() { }
+
+  ngOnInit() {
+  }
+
+}

src/app/hero.service.spec.ts

@@ -0,0 +1,12 @@
+import { TestBed } from '@angular/core/testing';
+
+import { HeroService } from './hero.service';
+
+describe('HeroService', () => {
+  beforeEach(() => TestBed.configureTestingModule({}));
+
+  it('should be created', () => {
+    const service: HeroService = TestBed.get(HeroService);
+    expect(service).toBeTruthy();
+  });
+});

src/app/hero.service.ts

@@ -0,0 +1,21 @@
+import { Injectable } from '@angular/core';
+
+import { Observable, of } from 'rxjs';
+
+import { Hero } from './hero';
+import { HEROES } from './mock-heroes';
+import { MessageService } from './message.service';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class HeroService {
+
+  constructor(private messageService: MessageService) { }
+
+  getHeroes(): Observable<Hero[]> {
+    // TODO: send the message _after_ fetching the heroes
+    this.messageService.add('HeroService: fetched heroes');
+    return of(HEROES);
+  }
+}

src/app/heroes/heroes.component.html

@@ -0,0 +1,18 @@
+<h2>My Heroes</h2>
+<ul class="heroes">
+  <li *ngFor="let hero of heroes" (click)="onSelect(hero)" [class.selected]="hero === selectedHero">
+    <span class="badge">{{hero.id}}</span> {{hero.name}}
+  </li>
+</ul>
+
+<app-hero-detail [hero]="selectedHero"></app-hero-detail>
+
+<!-- <div *ngIf="selectedHero">
+  <h2>{{ selectedHero?.name | uppercase }} details:</h2>
+  <p>Id: {{ selectedHero?.id }}</p>
+  <div>
+    <label>name:
+      <input [(ngModel)]="selectedHero.name" placeholder="name"/>
+    </label>
+  </div>
+</div> -->

src/app/heroes/heroes.component.scss

@@ -0,0 +1,54 @@
+/* HeroesComponent's private CSS styles */
+.selected {
+  background-color: #CFD8DC !important;
+  color: white;
+}
+
+.heroes {
+  margin: 0 0 2em 0;
+  list-style-type: none;
+  padding: 0;
+  width: 15em;
+}
+
+.heroes li {
+  cursor: pointer;
+  position: relative;
+  left: 0;
+  background-color: #EEE;
+  margin: .5em;
+  padding: .3em 0;
+  height: 1.6em;
+  border-radius: 4px;
+}
+
+.heroes li.selected:hover {
+  background-color: #BBD8DC !important;
+  color: white;
+}
+
+.heroes li:hover {
+  color: #607D8B;
+  background-color: #DDD;
+  left: .1em;
+}
+
+.heroes .text {
+  position: relative;
+  top: -3px;
+}
+
+.heroes .badge {
+  display: inline-block;
+  font-size: small;
+  color: white;
+  padding: 0.8em 0.7em 0 0.7em;
+  background-color: #607D8B;
+  line-height: 1em;
+  position: relative;
+  left: -1px;
+  top: -4px;
+  height: 1.8em;
+  margin-right: .8em;
+  border-radius: 4px 0 0 4px;
+}

src/app/heroes/heroes.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { HeroesComponent } from './heroes.component';
+
+describe('HeroesComponent', () => {
+  let component: HeroesComponent;
+  let fixture: ComponentFixture<HeroesComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ HeroesComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(HeroesComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src/app/heroes/heroes.component.ts

@@ -0,0 +1,31 @@
+import { Component, OnInit } from '@angular/core';
+
+import { Hero } from '../hero';
+import { HeroService } from '../hero.service';
+
+@Component({
+  selector: 'app-heroes',
+  templateUrl: './heroes.component.html',
+  styleUrls: ['./heroes.component.scss']
+})
+export class HeroesComponent implements OnInit {
+
+  selectedHero: Hero;
+
+  heroes: Hero[];
+
+  constructor(private heroService: HeroService) { }
+
+  ngOnInit() {
+    this.getHeroes();
+  }
+
+  onSelect(hero: Hero): void {
+    this.selectedHero = hero;
+  }
+
+  getHeroes(): void {
+    this.heroService.getHeroes()
+        .subscribe(heroes => this.heroes = heroes);
+  }
+}