Use ngx-restangular to handle account API.

src/app.module.ts

@@ -9,13 +9,28 @@ import { BrowserModule } from '@angular/platform-browser';
 import { UpgradeModule } from '@angular/upgrade/static';
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 
+import { RestangularModule } from 'ngx-restangular';
+
 import { AccountModule } from './accounts/account.module';
+import { ApiBaseURL } from './app.config';
 
 @NgModule({
   imports: [
     BrowserModule,
     UpgradeModule,
-    AccountModule
+    AccountModule,
+    RestangularModule.forRoot((RestangularProvider) => {
+      RestangularProvider.setBaseUrl(ApiBaseURL);
+
+      // Inject JSON in error instead the full response object.
+      RestangularProvider.setErrorInterceptor(
+        function(response, subject, responseHandler) {
+          // TODO Alexis Lahouze 2017-07-16 Handle 401 error.
+          subject.error(response.json());
+          return false;
+        }
+      );
+    })
   ]
 })