refactor: migrate credit note and vendor credit services to nestjs

packages/server-nest/src/modules/CreditNotes/subscribers/CreditNoteApplySyncCreditSubscriber.ts

@@ -0,0 +1,67 @@
+import { Service, Inject } from 'typedi';
+import { sumBy } from 'lodash';
+import events from '@/subscribers/events';
+import {
+  IApplyCreditToInvoicesCreatedPayload,
+  IApplyCreditToInvoicesDeletedPayload,
+} from '@/interfaces';
+import CreditNoteApplySyncCredit from '../commands/CreditNoteApplySyncCredit.service';
+
+@Service()
+export default class CreditNoteApplySyncCreditSubscriber {
+  @Inject()
+  syncInvoicedAmountWithCredit: CreditNoteApplySyncCredit;
+
+  /**
+   *
+   * @param bus
+   */
+  attach(bus) {
+    bus.subscribe(
+      events.creditNote.onApplyToInvoicesCreated,
+      this.incrementCreditedAmountOnceApplyToInvoicesCreated
+    );
+    bus.subscribe(
+      events.creditNote.onApplyToInvoicesDeleted,
+      this.decrementCreditedAmountOnceApplyToInvoicesDeleted
+    );
+  }
+
+  /**
+   * Increment credited amount of credit note transaction once the transaction created.
+   * @param {IApplyCreditToInvoicesCreatedPayload} payload -
+   */
+  private incrementCreditedAmountOnceApplyToInvoicesCreated = async ({
+    trx,
+    creditNote,
+    tenantId,
+    creditNoteAppliedInvoices,
+  }: IApplyCreditToInvoicesCreatedPayload) => {
+    const totalCredited = sumBy(creditNoteAppliedInvoices, 'amount');
+
+    await this.syncInvoicedAmountWithCredit.incrementCreditNoteInvoicedAmount(
+      tenantId,
+      creditNote.id,
+      totalCredited,
+      trx
+    );
+  };
+
+  /**
+   * Decrement credited amount of credit note transaction once the transaction deleted.
+   * @param {IApplyCreditToInvoicesDeletedPayload} payload -
+   */
+  private decrementCreditedAmountOnceApplyToInvoicesDeleted = async ({
+    tenantId,
+    creditNote,
+    creditNoteAppliedToInvoice,
+    trx,
+  }: IApplyCreditToInvoicesDeletedPayload) => {
+    await this.syncInvoicedAmountWithCredit.decrementCreditNoteInvoicedAmount(
+      tenantId,
+      creditNote.id,
+      creditNoteAppliedToInvoice.amount,
+      trx
+    );
+  };
+}