Optimize by using Promise.all()

apps/api/src/app/admin/admin.service.ts

@@ -108,8 +108,7 @@ export class AdminService {
   }
 
   public async get(): Promise<AdminData> {
-    return {
+    const exchangeRates = this.exchangeRateDataService
-      exchangeRates: this.exchangeRateDataService
       .getCurrencies()
       .filter((currency) => {
         return currency !== DEFAULT_CURRENCY;
@@ -132,10 +131,19 @@ export class AdminService {
             currency
           )
         };
-        }),
+      });
-      settings: await this.propertyService.get(),
+
-      transactionCount: await this.prismaService.order.count(),
+    const [settings, transactionCount, userCount] = await Promise.all([
-      userCount: await this.prismaService.user.count(),
+      this.propertyService.get(),
+      this.prismaService.order.count(),
+      this.prismaService.user.count()
+    ]);
+
+    return {
+      exchangeRates,
+      settings,
+      transactionCount,
+      userCount,
       version: environment.version
     };
   }