Update the services and models

Author: Lazhari

src/app/models/contacts-response.ts

@@ -0,0 +1,2 @@
+export class ContactsResponse {
+}

src/app/models/user.ts

@@ -0,0 +1,15 @@
+class Name {
+  first: string;
+  last: string;
+}
+export class User {
+  guid: string;
+  isActive: boolean;
+  balance: string;
+  picture: string;
+  age: number;
+  eyeColor: string;
+  name: Name;
+  company: string;
+
+}

src/app/services/users.service.spec.ts

@@ -0,0 +1,15 @@
+import { TestBed, inject } from '@angular/core/testing';
+
+import { UsersService } from './users.service';
+
+describe('UsersService', () => {
+  beforeEach(() => {
+    TestBed.configureTestingModule({
+      providers: [UsersService]
+    });
+  });
+
+  it('should be created', inject([UsersService], (service: UsersService) => {
+    expect(service).toBeTruthy();
+  }));
+});

src/app/services/users.service.ts

@@ -0,0 +1,16 @@
+import { Injectable } from '@angular/core';
+import { HttpClient } from '@angular/common/http';
+
+import { Observable } from 'rxjs/Observable';
+import { of } from 'rxjs/observable/of';
+@Injectable()
+export class UsersService {
+
+  constructor(private http: HttpClient) {
+
+  }
+  getUsers(): Observable<any> {
+    const url: string = 'https://mini-crm-api.herokuapp.com/api/v1/contacts';
+    return this.http.get<any>(url);
+  }
+}