Add services

src/service/product.service.ts

@@ -0,0 +1,54 @@
+import { HttpClient } from '@angular/common/http';
+import { Injectable } from '@angular/core';
+
+interface InventoryStatus {
+    label: string;
+    value: string;
+}
+
+export interface Product {
+    id?: string;
+    code?: string;
+    name?: string;
+    description?: string;
+    price?: number;
+    quantity?: number;
+    inventoryStatus?: InventoryStatus;
+    category?: string;
+    image?: string;
+    rating?: number;
+}
+
+@Injectable()
+export class ProductService {
+
+    constructor(private http: HttpClient) { }
+
+    getProductsSmall() {
+        return this.http.get<any>('assets/demo/data/products-small.json')
+            .toPromise()
+            .then(res => res.data as Product[])
+            .then(data => data);
+    }
+
+    getProducts() {
+        return this.http.get<any>('assets/demo/data/products.json')
+            .toPromise()
+            .then(res => res.data as Product[])
+            .then(data => data);
+    }
+
+    getProductsMixed() {
+        return this.http.get<any>('assets/demo/data/products-mixed.json')
+            .toPromise()
+            .then(res => res.data as Product[])
+            .then(data => data);
+    }
+
+    getProductsWithOrdersSmall() {
+        return this.http.get<any>('assets/demo/data/products-orders-small.json')
+            .toPromise()
+            .then(res => res.data as Product[])
+            .then(data => data);
+    }
+}