implemented a Maker-Checker workflow for Products, with approval-based updates and product locking to prevent concurrent edits

src/app/tasks/common-resolvers/getPendingSavingsProducts.resolver.ts

@@ -0,0 +1,41 @@
+/**
+ * Copyright since 2025 Mifos Initiative
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+import { Injectable, inject } from '@angular/core';
+import { Resolve } from '@angular/router';
+import { Observable, forkJoin, of } from 'rxjs';
+import { catchError, map } from 'rxjs/operators';
+import { ProductsService } from 'app/products/products.service';
+
+/**
+ * Merges pending edits across all product types sharing the m_savings_product_temp backing table -
+ * Savings, Current Account, Share, Fixed Deposit, and Recurring Deposit products - into one list for
+ * the Pending Product Edits screen.
+ */
+@Injectable()
+export class GetPendingSavingsProducts implements Resolve<any> {
+  private productsService = inject(ProductsService);
+
+  resolve(): Observable<any> {
+    return forkJoin({
+      savings: this.productsService.getPendingSavingsProductEdits().pipe(catchError(() => of([]))),
+      current: this.productsService.getPendingCurrentProductEdits().pipe(catchError(() => of([]))),
+      share: this.productsService.getPendingShareProductEdits().pipe(catchError(() => of([]))),
+      fd: this.productsService.getPendingFixedDepositProductEdits().pipe(catchError(() => of([]))),
+      rd: this.productsService.getPendingRecurringDepositProductEdits().pipe(catchError(() => of([])))
+    }).pipe(
+      map((results) => [
+        ...(results.savings || []).map((e: any) => ({ ...e, productType: 'SAVINGS' })),
+        ...(results.current || []).map((e: any) => ({ ...e, productType: 'CURRENT' })),
+        ...(results.share || []).map((e: any) => ({ ...e, productType: 'SHARE' })),
+        ...(results.fd || []).map((e: any) => ({ ...e, productType: 'FD' })),
+        ...(results.rd || []).map((e: any) => ({ ...e, productType: 'RD' }))
+      ])
+    );
+  }
+}