Lab from Angular 2 class

db.json

@@ -10,7 +10,7 @@
       "id": 2,
       "name": "Coke",
       "cost": 0.5,
-      "remaining": 10
+      "remaining": 0
     },
     {
       "id": 3,

src/app/app.component.html

@@ -2,3 +2,5 @@ <h1>
   {{title}}
 </h1>
 <app-insert-coin></app-insert-coin>
+<app-select-item></app-select-item>
+<app-dispense-item></app-dispense-item>

src/app/app.component.ts

@@ -6,5 +6,5 @@ import { Component } from '@angular/core';
   styleUrls: ['./app.component.css']
 })
 export class AppComponent {
-  title = 'ngCola';
+  title = 'Scotty-Cola';
 }

src/app/app.module.ts

@@ -8,11 +8,15 @@ import { InsertCoinComponent } from './insert-coin/insert-coin.component';
 
 import { ItemService } from './item/item.service';
 import { BalanceService } from './balance/balance.service';
+import { SelectItemComponent } from './select-item/select-item.component';
+import { DispenseItemComponent } from './dispense-item/dispense-item.component';
 
 @NgModule({
   declarations: [
     AppComponent,
-    InsertCoinComponent
+    InsertCoinComponent,
+    SelectItemComponent,
+    DispenseItemComponent
   ],
   imports: [
     BrowserModule,

src/app/dispense-item/dispense-item.component.html

@@ -0,0 +1 @@
+<button class="button -full-width" (click)="dispenseItem()">dispense</button>

src/app/dispense-item/dispense-item.component.spec.ts

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

src/app/dispense-item/dispense-item.component.ts

@@ -0,0 +1,37 @@
+import { Component, OnInit } from '@angular/core';
+import { ItemService } from '../item/item.service';
+import { BalanceService } from '../balance/balance.service';
+
+@Component({
+  selector: 'app-dispense-item',
+  templateUrl: './dispense-item.component.html',
+  styleUrls: ['./dispense-item.component.scss'],
+  providers: []
+})
+export class DispenseItemComponent implements OnInit {
+  constructor(private itemService: ItemService, private balanceService: BalanceService) { }
+
+  ngOnInit() { }
+
+  dispenseItem() {
+  	const currentBalance = this.balanceService.getBalance();
+  	if(!this.hasSufficientBalance(currentBalance)) return;
+  	if(!this.hasRemaining()) return;
+  	this.itemService.dispenseItem((item) => {
+	  alert('Enjoy your ' + item.name);
+	  this.balanceService.deductBalance(item.cost);
+  	});
+  }
+
+  hasSufficientBalance(currentBalance) {
+  	const hasBalance = this.itemService.hasSufficientBalance(currentBalance);
+  	if(!hasBalance) alert('Insufficient balance');
+  	return hasBalance;
+  }
+
+  hasRemaining() {
+  	const remaining = this.itemService.hasRemaining();
+  	if(!remaining) alert('Stop kicking the machine...No remaining inventory for this item');
+  	return remaining;
+  }
+}

src/app/insert-coin/insert-coin.component.html

@@ -2,3 +2,4 @@
 <button class="button -yellow" (click)='addBalance(.05)'>05c</button>
 <button class="button -blue" (click)='addBalance(.10)'>10c</button>
 <button class="button -green" (click)='addBalance(.25)'>25c</button>
+<button class="button" (click)='returnCoins()'>Return Coins</button>

src/app/insert-coin/insert-coin.component.ts

@@ -21,4 +21,8 @@ export class InsertCoinComponent implements OnInit {
   	this.balanceService.addBalance(amount);
   }
 
+returnCoins(){
+this.balanceService.setBalance(0);
+alert('Coins returned!');
+}
 }

src/app/item/item.service.ts

@@ -35,7 +35,7 @@ export class ItemService {
     .map((res:Response) => res.json());
   }
 
-  dispenseItem(callback: any): void {
+    dispenseItem(callback: any): void {
     this.selectedItem.remaining -= 1;
     this.put(this.selectedItem).subscribe(callback);
   }

src/app/select-item/select-item.component.css

@@ -0,0 +1,9 @@
+.select-item__selectable-item {
+	list-style: none;
+  padding: 12px 12px 12px 2px;
+  font-family: 'Helvetica Neue', sans-serif; font-size: 14px;
+}
+
+.select-item__selectable-item-list {
+	padding: 0;
+}

src/app/select-item/select-item.component.html

@@ -0,0 +1,18 @@
+<p>
+Pick a Soda
+</p>
+<ul class="select-item__selectable-item-list">
+
+
+  <li *ngFor='let item of items'>
+    <button (click)='onItemSelected(item)'>{{item.name}}</button>
+
+
+
+  </li>
+
+    <p>{{title}}</p>
+<input [(ngModel)]="title" type='text'>
+
+
+</ul>

src/app/select-item/select-item.component.spec.ts

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

src/app/select-item/select-item.component.ts

@@ -0,0 +1,25 @@
+import { Component, OnInit } from '@angular/core';
+import { ItemService } from '../item/item.service';
+
+
+@Component({
+  selector: 'app-select-item',
+  templateUrl: './select-item.component.html',
+  styleUrls: ['./select-item.component.css'],
+ providers: []
+
+})
+export class SelectItemComponent implements OnInit {
+public items;
+  constructor(public itemService: ItemService) { }
+
+  ngOnInit() {
+    	this.itemService.onItemsRetrieved((items) => {
+        this.items = items;
+    })
+  }
+
+onItemSelected(item) {
+  this.itemService.setSelectedItem(item);
+}
+  }

src/styles.css

@@ -1,6 +1,7 @@
 /* You can add global styles to this file, and also import other style files */
 
-body { background-color: #B33323; }
+body { background-color: #B33323;
+  background-image: url(http://i.imgur.com/PkoiW5k.pn)}
 
 h1 { color: #FFF; font-family: 'Helvetica Neue', sans-serif; font-size: 75px; font-weight: bold; letter-spacing: -1px; line-height: 1; }
 h2 { color: #FFF; font-family: 'Open Sans', sans-serif; font-size: 30px; font-weight: 300; line-height: 32px; margin: 0 0 72px; }