refactor: GL entries

packages/server-nest/src/modules/SaleReceipts/subscribers/SaleReceiptGLEntriesSubscriber.ts

@@ -0,0 +1,63 @@
+import { Inject, Injectable } from '@nestjs/common';
+import {
+  ISaleReceiptCreatedPayload,
+  ISaleReceiptEditedPayload,
+  ISaleReceiptEventDeletedPayload,
+} from '../types/SaleReceipts.types';
+import { SaleReceiptGLEntries } from '../ledger/SaleReceiptGLEntries';
+import { OnEvent } from '@nestjs/event-emitter';
+import { events } from '@/common/events/events';
+
+@Injectable()
+export class SaleReceiptGLEntriesSubscriber {
+  constructor(private readonly saleReceiptGLEntries: SaleReceiptGLEntries) {}
+
+  /**
+   * Handles writing sale receipt income journal entries once created.
+   * @param {ISaleReceiptCreatedPayload} payload -
+   */
+  @OnEvent(events.saleReceipt.onCreated)
+  @OnEvent(events.saleReceipt.onClosed)
+  public async handleWriteReceiptIncomeJournalEntrieOnCreate({
+    saleReceiptId,
+    saleReceipt,
+    trx,
+  }: ISaleReceiptCreatedPayload) {
+    // Can't continue if the sale receipt is not closed yet.
+    if (!saleReceipt.closedAt) return null;
+
+    // Writes the sale receipt income journal entries.
+    await this.saleReceiptGLEntries.writeIncomeGLEntries(saleReceiptId, trx);
+  }
+
+  /**
+   * Handles sale receipt revert jouranl entries once be deleted.
+   * @param {ISaleReceiptEventDeletedPayload} payload -
+   */
+  @OnEvent(events.saleReceipt.onDeleted)
+  public async handleRevertReceiptJournalEntriesOnDeleted({
+    saleReceiptId,
+    trx,
+  }: ISaleReceiptEventDeletedPayload) {
+    await this.saleReceiptGLEntries.revertReceiptGLEntries(saleReceiptId, trx);
+  }
+
+  /**
+   * Handles writing sale receipt income journal entries once be edited.
+   * @param {ISaleReceiptEditedPayload} payload -
+   */
+  @OnEvent(events.saleReceipt.onEdited)
+  public async handleWriteReceiptIncomeJournalEntrieOnEdited({
+    saleReceipt,
+    trx,
+  }: ISaleReceiptEditedPayload) {
+    // Can't continue if the sale receipt is not closed yet.
+    if (!saleReceipt.closedAt) return null;
+
+    // Writes the sale receipt income journal entries.
+    await this.saleReceiptGLEntries.rewriteReceiptGLEntries(
+      saleReceipt.id,
+      trx,
+    );
+  }
+}