Get async methods to get the this context

src/app/services/mall.service.ts

@@ -17,7 +17,7 @@ export class MallService {
         this.fetchMalls();
     }
 
-    private async getDenormalizedMall(mall: Mall) {
+    private getDenormalizedMall = async (mall: Mall) => {
         const offers = await Promise.all(mall.offers.map(offer_id => this.offerService.getOfferByID(offer_id)));
         const outlets = await Promise.all(mall.outlets.map(outlet_id => this.outletService.getOutletByID(outlet_id)));
 

src/app/services/outlet.service.ts

@@ -17,8 +17,10 @@ export class OutletService {
         this.fetchOutlets();
     }
 
-    private async getDenormalizedOutlet(outlet: Outlet) {
-        const offers = await Promise.all(outlet.offers.map(offer_id => this.offerService.getOfferByID(offer_id)));
+    private getDenormalizedOutlet = async (outlet: Outlet) => {
+        const offers = await Promise.all(outlet.offers.map(offer_id => {
+            return this.offerService.getOfferByID(offer_id);
+        }));
         const menu_items = await Promise.all(outlet.menu_items.map(menu_item_id => this.menuItemService.getMenuItemByID(menu_item_id)));
 
         return {
@@ -33,6 +35,7 @@ export class OutletService {
     }
 
     public async getOutletByID(id: string) {
+        await this.fetchOutlets();
         return this.outlets.find((outlet) => outlet.id === id);
     }
 }