add server to monorepo.

packages/server/src/services/Cashflow/CashflowTransactionSubscriber.ts

@@ -0,0 +1,83 @@
+import { Inject, Service } from 'typedi';
+import events from '@/subscribers/events';
+import CashflowTransactionJournalEntries from './CashflowTransactionJournalEntries';
+import {
+  ICommandCashflowCreatedPayload,
+  ICommandCashflowDeletedPayload,
+} from '@/interfaces';
+import { CashflowTransactionAutoIncrement } from './CashflowTransactionAutoIncrement';
+
+@Service()
+export default class CashflowTransactionSubscriber {
+  @Inject()
+  private cashflowTransactionEntries: CashflowTransactionJournalEntries;
+
+  @Inject()
+  private cashflowTransactionAutoIncrement: CashflowTransactionAutoIncrement;
+
+  /**
+   * Attaches events with handles.
+   */
+  public attach(bus) {
+    bus.subscribe(
+      events.cashflow.onTransactionCreated,
+      this.writeJournalEntriesOnceTransactionCreated
+    );
+    bus.subscribe(
+      events.cashflow.onTransactionCreated,
+      this.incrementTransactionNumberOnceTransactionCreated
+    );
+    bus.subscribe(
+      events.cashflow.onTransactionDeleted,
+      this.revertGLEntriesOnceTransactionDeleted
+    );
+    return bus;
+  }
+
+  /**
+   * Writes the journal entries once the cashflow transaction create.
+   * @param {ICommandCashflowCreatedPayload} payload -
+   */
+  private writeJournalEntriesOnceTransactionCreated = async ({
+    tenantId,
+    cashflowTransaction,
+    trx,
+  }: ICommandCashflowCreatedPayload) => {
+    // Can't write GL entries if the transaction not published yet.
+    if (!cashflowTransaction.isPublished) return;
+
+    await this.cashflowTransactionEntries.writeJournalEntries(
+      tenantId,
+      cashflowTransaction.id,
+      trx
+    );
+  };
+
+  /**
+   * Increment the cashflow transaction number once the transaction created.
+   * @param {ICommandCashflowCreatedPayload} payload -
+   */
+  private incrementTransactionNumberOnceTransactionCreated = async ({
+    tenantId,
+  }: ICommandCashflowCreatedPayload) => {
+    this.cashflowTransactionAutoIncrement.incrementNextTransactionNumber(
+      tenantId
+    );
+  };
+
+  /**
+   * Deletes the GL entries once the cashflow transaction deleted.
+   * @param {ICommandCashflowDeletedPayload} payload -
+   */
+  private revertGLEntriesOnceTransactionDeleted = async ({
+    tenantId,
+    cashflowTransactionId,
+    trx,
+  }: ICommandCashflowDeletedPayload) => {
+    await this.cashflowTransactionEntries.revertJournalEntries(
+      tenantId,
+      cashflowTransactionId,
+      trx
+    );
+  };
+}