add server to monorepo.

packages/server/src/subscribers/SaleReceipt/WriteInventoryTransactions.ts

@@ -0,0 +1,87 @@
+import { Inject } from 'typedi';
+import { EventSubscriber } from 'event-dispatch';
+import events from '@/subscribers/events';
+import TenancyService from '@/services/Tenancy/TenancyService';
+import SalesReceiptService from '@/services/Sales/SalesReceipts';
+import {
+  ISaleReceiptCreatedPayload,
+  ISaleReceiptEditedPayload,
+  ISaleReceiptEventDeletedPayload,
+} from '@/interfaces';
+
+@EventSubscriber()
+export default class SaleReceiptInventoryTransactionsSubscriber {
+  @Inject()
+  tenancy: TenancyService;
+
+  @Inject()
+  saleReceiptsService: SalesReceiptService;
+
+  /**
+   * Subscribe events to handles.
+   */
+  attach(bus) {
+    bus.subscribe(
+      events.saleReceipt.onCreated,
+      this.handleWritingInventoryTransactions
+    );
+    bus.subscribe(
+      events.saleReceipt.onEdited,
+      this.handleRewritingInventoryTransactions
+    );
+    bus.subscribe(
+      events.saleReceipt.onDeleted,
+      this.handleDeletingInventoryTransactions
+    );
+  }
+
+  /**
+   * Handles the writing inventory transactions once the receipt created.
+   * @param {ISaleReceiptCreatedPayload} payload -
+   */
+  private handleWritingInventoryTransactions = async ({
+    tenantId,
+    saleReceipt,
+    trx,
+  }: ISaleReceiptCreatedPayload) => {
+    await this.saleReceiptsService.recordInventoryTransactions(
+      tenantId,
+      saleReceipt,
+      false,
+      trx
+    );
+  };
+
+  /**
+   * Rewriting the inventory transactions once the sale invoice be edited.
+   * @param {ISaleReceiptEditedPayload} payload -
+   */
+  private handleRewritingInventoryTransactions = async ({
+    tenantId,
+    saleReceipt,
+    trx,
+  }: ISaleReceiptEditedPayload) => {
+    await this.saleReceiptsService.recordInventoryTransactions(
+      tenantId,
+      saleReceipt,
+      true,
+      trx
+    );
+  };
+
+  /**
+   * Handles deleting the inventory transactions once the receipt deleted.
+   * @param {ISaleReceiptEventDeletedPayload} payload -
+   */
+  private handleDeletingInventoryTransactions = async ({
+    tenantId,
+    saleReceiptId,
+    trx,
+  }: ISaleReceiptEventDeletedPayload) => {
+    await this.saleReceiptsService.revertInventoryTransactions(
+      tenantId,
+      saleReceiptId,
+      trx
+    );
+  };
+}