Product Sale Module done (Sales Detail) -- need to rename the permission

bookie/src/app/product-sale-report/product-sale-report-datasource.ts

@@ -0,0 +1,18 @@
+import { DataSource } from '@angular/cdk/collections';
+import { Observable, of as observableOf } from 'rxjs';
+import { ProductSaleReportItem } from './product-sale-report';
+
+
+export class ProductSaleReportDataSource extends DataSource<ProductSaleReportItem> {
+
+  constructor(public data: ProductSaleReportItem[]) {
+    super();
+  }
+
+  connect(): Observable<ProductSaleReportItem[]> {
+    return observableOf(this.data);
+  }
+
+  disconnect() {
+  }
+}