feat(nestjs): migrate to NestJS

packages/server/src/modules/Bills/subscribers/BillGLEntriesSubscriber.ts

@@ -0,0 +1,59 @@
+import { Injectable } from '@nestjs/common';
+import {
+  IBillCreatedPayload,
+  IBillEditedPayload,
+  IBIllEventDeletedPayload,
+  IBillOpenedPayload,
+} from '../Bills.types';
+import { BillGLEntries } from '../commands/BillsGLEntries';
+import { events } from '@/common/events/events';
+import { OnEvent } from '@nestjs/event-emitter';
+
+@Injectable()
+export class BillGLEntriesSubscriber {
+  /**
+   * @param {BillGLEntries} billGLEntries - Bill GL entries command.
+   */
+  constructor(private billGLEntries: BillGLEntries) {}
+
+  /**
+   * Handles writing journal entries once bill created.
+   * @param {IBillCreatedPayload} payload -
+   */
+  @OnEvent(events.bill.onCreated)
+  @OnEvent(events.bill.onOpened)
+  public async handlerWriteJournalEntriesOnCreate({
+    bill,
+    trx,
+  }: IBillCreatedPayload | IBillOpenedPayload) {
+    if (!bill.openedAt) return null;
+
+    await this.billGLEntries.writeBillGLEntries(bill.id, trx);
+  };
+
+  /**
+   * Handles the overwriting journal entries once bill edited.
+   * @param {IBillEditedPayload} payload -
+   */
+  @OnEvent(events.bill.onEdited)
+  public async handleOverwriteJournalEntriesOnEdit({
+    bill,
+    trx,
+  }: IBillEditedPayload) {
+    if (!bill.openedAt) return null;
+
+    await this.billGLEntries.rewriteBillGLEntries(bill.id, trx);
+  };
+
+  /**
+   * Handles revert journal entries on bill deleted.
+   * @param {IBIllEventDeletedPayload} payload -
+   */
+  @OnEvent(events.bill.onDeleted)
+  public async handlerDeleteJournalEntries({
+    oldBill,
+    trx,
+  }: IBIllEventDeletedPayload) {
+    await this.billGLEntries.revertBillGLEntries(oldBill.id, trx);
+  };
+}

packages/server/src/modules/Bills/subscribers/BillWriteInventoryTransactionsSubscriber.ts

@@ -0,0 +1,58 @@
+import { Injectable } from '@nestjs/common';
+import {
+  IBillCreatedPayload,
+  IBillEditedPayload,
+  IBIllEventDeletedPayload,
+  IBillOpenedPayload,
+} from '../Bills.types';
+import { BillInventoryTransactions } from '../commands/BillInventoryTransactions';
+import { events } from '@/common/events/events';
+import { OnEvent } from '@nestjs/event-emitter';
+
+@Injectable()
+export class BillWriteInventoryTransactionsSubscriber {
+  constructor(private readonly billsInventory: BillInventoryTransactions) {}
+
+  /**
+   * Handles writing the inventory transactions once bill created.
+   * @param {IBillCreatedPayload | IBillOpenedPayload} payload -
+   */
+  @OnEvent(events.bill.onCreated)
+  @OnEvent(events.bill.onOpened)
+  public async handleWritingInventoryTransactions({
+    bill,
+    trx,
+  }: IBillCreatedPayload | IBillOpenedPayload) {
+    // Can't continue if the bill is not opened yet.
+    if (!bill.openedAt) return null;
+
+    await this.billsInventory.recordInventoryTransactions(bill.id, false, trx);
+  }
+
+  /**
+   * Handles the overwriting the inventory transactions once bill edited.
+   * @param {IBillEditedPayload} payload -
+   */
+  @OnEvent(events.bill.onEdited)
+  public async handleOverwritingInventoryTransactions({
+    bill,
+    trx,
+  }: IBillEditedPayload) {
+    // Can't continue if the bill is not opened yet.
+    if (!bill.openedAt) return null;
+
+    await this.billsInventory.recordInventoryTransactions(bill.id, true, trx);
+  };
+
+  /**
+   * Handles the reverting the inventory transactions once the bill deleted.
+   * @param {IBIllEventDeletedPayload} payload -
+   */
+  @OnEvent(events.bill.onDeleted)
+  public async handleRevertInventoryTransactions({
+    billId,
+    trx,
+  }: IBIllEventDeletedPayload) {
+    await this.billsInventory.revertInventoryTransactions(billId, trx);
+  }
+}