fix: refactoring invoice calc cost service.

server/src/subscribers/SaleReceipt/SyncItemsQuantity.ts

@@ -0,0 +1,67 @@
+import { Container } from 'typedi';
+import { On, EventSubscriber } from 'event-dispatch';
+import events from 'subscribers/events';
+import TenancyService from 'services/Tenancy/TenancyService';
+import ItemsEntriesService from 'services/Items/ItemsEntriesService';
+import SalesInvoicesCost from 'services/Sales/SalesInvoicesCost';
+
+@EventSubscriber()
+export default class SaleReceiptSubscriber {
+  logger: any;
+  tenancy: TenancyService;
+  itemsEntriesService: ItemsEntriesService;
+
+  constructor() {
+    this.logger = Container.get('logger');
+    this.tenancy = Container.get(TenancyService);
+    this.itemsEntriesService = Container.get(ItemsEntriesService);
+  }
+
+  /**
+   * Increments the sale receipt items once be created.
+   */
+  @On(events.saleReceipt.onCreated)
+  public async handleDecremenReceiptItemsQuantity({ tenantId, saleReceipt }) {
+    await this.itemsEntriesService.decrementItemsQuantity(
+      tenantId,
+      saleReceipt.entries
+    );
+  }
+
+  /**
+   * Decrements the sale receipt items once be deleted.
+   */
+  @On(events.saleReceipt.onDeleted)
+  public async handleIncrementReceiptItemsQuantity({
+    tenantId,
+    oldSaleReceipt,
+  }) {
+    await this.itemsEntriesService.incrementItemsEntries(
+      tenantId,
+      oldSaleReceipt.entries
+    );
+  }
+
+  /**
+   * Handle increment/decrement the different items quantity once
+   * the sale receipt be edited.
+   */
+  @On(events.saleReceipt.onEdited)
+  public async handleChangeSaleInvoiceItemsQuantityOnEdit({
+    tenantId,
+    saleReceipt,
+    oldSaleReceipt,
+  }) {
+    await this.itemsEntriesService.changeItemsQuantity(
+      tenantId,
+      saleReceipt.entries.map((entry) => ({
+        ...entry,
+        quantity: entry.quantity * -1,
+      })),
+      oldSaleReceipt.entries.map((entry) => ({
+        ...entry,
+        quantity: entry.quantity * -1,
+      }))
+    );
+  }
+}