initial commit

src/app/@core/data/orders-profit-chart.ts

@@ -0,0 +1,14 @@
+import { Observable } from 'rxjs';
+import { OrdersChart } from './orders-chart';
+import { ProfitChart  } from './profit-chart';
+
+export interface OrderProfitChartSummary {
+  title: string;
+  value: number;
+}
+
+export abstract class OrdersProfitChartData {
+  abstract getOrderProfitChartSummary(): Observable<OrderProfitChartSummary[]>;
+  abstract getOrdersChartData(period: string): Observable<OrdersChart>;
+  abstract getProfitChartData(period: string): Observable<ProfitChart>;
+}