Added basic cart system

src/app/app.component.html

@@ -25,10 +25,11 @@
                 </ul>
                 <div class="ml-auto">
                     <button *ngIf="!user" mat-stroked-button color="primary" (click)="login()">Login</button>
-                    <div *ngIf="user">
+                    <div *ngIf="user" class="d-inline">
                         <span class="text-muted mr-3">{{user.email}}</span>
                         <button mat-stroked-button color="accent" (click)="afAuth.auth.signOut()">Logout</button>
                     </div>
+                    <mat-icon *ngIf="cart.length" class="ml-3" style="transform: translateY(6px)" [matBadge]="cartItemCount()" matBadgeColor="warn">shopping_cart</mat-icon>
                 </div>
             </div>
         </div>
@@ -74,7 +75,8 @@
                     <h5>CONTACT</h5>
                     <p>
                         <i class="fas fa-phone mr-2"></i> 416-744-2723
-                        <br /><i class="fas fa-fax mr-2"></i> 416-744-4078
+                        <br />
+                        <i class="fas fa-fax mr-2"></i> 416-744-4078
                         <br />Toll Free: 1-888-422-7737
                     </p>
                 </div>
@@ -84,7 +86,8 @@
     <div class="container-fluid footer-sub">
         <div class="container text-center">
             <p class="mb-0 p-2">© 2018 FH &amp; SONS
-                <br />Designed and developed by: <a href="http://zakscode.com">Zak Timson</a>
+                <br />Designed and developed by:
+                <a href="http://zakscode.com">Zak Timson</a>
             </p>
         </div>
     </div>

src/app/app.component.ts

@@ -6,12 +6,16 @@ import {filter} from 'rxjs/operators';
 import {MatDialog} from '@angular/material';
 import {LoginComponent} from './login/login.component';
 import {AngularFireAuth} from 'angularfire2/auth';
+import {LocalStorage} from 'webstorage-decorators';
 
 @Component({
   selector: 'app-root',
   templateUrl: 'app.component.html'
 })
 export class AppComponent implements OnInit {
+  @LocalStorage({defaultValue: []})
+  cart: {id: string; item: string; price: number; quantity: number}[];
+
   categories;
   user;
 
@@ -25,6 +29,18 @@ export class AppComponent implements OnInit {
     this.categories = this.db.collection('categories').valueChanges();
   }
 
+  addToCart(id: string, item: string, price: number, quantity: number) {
+    this.cart = [{id: id, item: item, price: Number(price), quantity: Number(quantity)}].concat(this.cart);
+  }
+
+  cartItemCount() {
+    return this.cart.map(row => row.quantity).reduce((acc, row) => acc + row, 0);
+  }
+
+  login() {
+    this.dialog.open(LoginComponent);
+  }
+
   ngOnInit() {
     // Record routing for analytics
     this.router.events.pipe(filter(event => event instanceof NavigationEnd)).subscribe((event: NavigationEnd) => {
@@ -44,8 +60,4 @@ export class AppComponent implements OnInit {
       this.user = user;
     });
   }
-
-  login() {
-    this.dialog.open(LoginComponent);
-  }
 }

src/app/store/products/products.component.html

@@ -3,6 +3,14 @@
         <div class="row">
             <div class="col-12 py-4">
                 <img [src]="product.image" class="float-left img-fluid mb-4 mr-4">
+                <div class="float-right">
+                    <mat-form-field class="mr-1" style="width: 40px">
+                        <input #quantity matInput type="number" value="1" min="1">
+                    </mat-form-field>
+                    <button mat-raised-button color="primary" (click)="app.addToCart(product.id, product.name, product.price, quantity.value)">
+                        <mat-icon>add_shopping_cart</mat-icon> Buy
+                    </button>
+                </div>
                 <h2 class="roboto">{{product.name}}</h2>
                 <h5 *ngIf="product.price" class="text-muted">{{product.price | currency}}</h5>
                 <h5 *ngIf="!product.price" class="text-muted">Contact For Price</h5>

src/app/store/products/products.component.ts

@@ -1,7 +1,9 @@
 import {Component} from '@angular/core';
-import {AngularFirestore} from '../../../../node_modules/angularfire2/firestore';
-import {ActivatedRoute} from '../../../../node_modules/@angular/router';
-import {DomSanitizer} from '../../../../node_modules/@angular/platform-browser';
+import {AngularFirestore} from 'angularfire2/firestore';
+import {ActivatedRoute} from '@angular/router';
+import {DomSanitizer} from 'node_modules/@angular/platform-browser';
+import {AppComponent} from '../../app.component';
+import {map} from 'rxjs/operators';
 
 @Component({
   selector: 'products',
@@ -10,19 +12,31 @@ import {DomSanitizer} from '../../../../node_modules/@angular/platform-browser';
 export class ProductsComponent {
   product;
 
-  constructor(private route: ActivatedRoute, private db: AngularFirestore, private domSanitizer: DomSanitizer) {}
+  constructor(
+    private route: ActivatedRoute,
+    private db: AngularFirestore,
+    private domSanitizer: DomSanitizer,
+    public app: AppComponent
+  ) {}
 
   ngOnInit() {
     this.route.params.subscribe(params => {
       this.db
         .collection('products', ref => ref.where('name', '==', params['product']))
-        .valueChanges()
+        .snapshotChanges()
+        .pipe(
+          map(rows =>
+            rows.map((row: any) => Object.assign({id: row.payload.doc.id}, row.payload.doc.data())).map((row: any) => {
+              row.image = this.domSanitizer.bypassSecurityTrustUrl(row.image);
+              row.description = this.domSanitizer.bypassSecurityTrustHtml(
+                row.description.replace(/(\r\n|\r|\n)/g, '<br>')
+              );
+              return row;
+            })
+          )
+        )
         .subscribe(data => {
           this.product = data[0];
-          this.product.image = this.domSanitizer.bypassSecurityTrustUrl(this.product.image);
-          this.product.description = this.domSanitizer.bypassSecurityTrustHtml(
-            this.product.description.replace(/(\r\n|\r|\n)/g, '<br>')
-          );
         });
     });
   }