refactor(nestjs): landed cost

packages/server/src/modules/BillLandedCosts/commands/LandedCostInventoryTransactions.subscriber.ts

@@ -0,0 +1,49 @@
+import { Injectable } from '@nestjs/common';
+import { OnEvent } from '@nestjs/event-emitter';
+import {
+  IAllocatedLandedCostCreatedPayload,
+  IAllocatedLandedCostDeletedPayload,
+} from '../types/BillLandedCosts.types';
+import { events } from '@/common/events/events';
+import { LandedCostInventoryTransactions } from './LandedCostInventoryTransactions.service';
+
+@Injectable()
+export class LandedCostInventoryTransactionsSubscriber {
+  constructor(
+    private readonly landedCostInventory: LandedCostInventoryTransactions,
+  ) {}
+
+  /**
+   * Writes inventory transactions of the landed cost transaction once created.
+   * @param {IAllocatedLandedCostCreatedPayload} payload -
+   */
+  @OnEvent(events.billLandedCost.onCreated)
+  async writeInventoryTransactionsOnceCreated({
+    billLandedCost,
+    trx,
+    bill,
+  }: IAllocatedLandedCostCreatedPayload) {
+    // Records the inventory transactions.
+    await this.landedCostInventory.recordInventoryTransactions(
+      billLandedCost,
+      bill,
+      trx,
+    );
+  }
+
+  /**
+   * Reverts inventory transactions of the landed cost transaction once deleted.
+   * @param {IAllocatedLandedCostDeletedPayload} payload -
+   */
+  @OnEvent(events.billLandedCost.onDeleted)
+  async revertInventoryTransactionsOnceDeleted({
+    oldBillLandedCost,
+    trx,
+  }: IAllocatedLandedCostDeletedPayload) {
+    // Removes the inventory transactions.
+    await this.landedCostInventory.removeInventoryTransactions(
+      oldBillLandedCost.id,
+      trx,
+    );
+  }
+}