- feat: Optimize tenancy software architecture.

server/src/services/Sales/JournalPosterService.ts

@@ -0,0 +1,38 @@
+import { Service, Inject } from 'typedi';
+import JournalPoster from '@/services/Accounting/JournalPoster';
+import TenancyService from '@/services/Tenancy/TenancyService';
+
+@Service()
+export default class JournalPosterService {
+  @Inject()
+  tenancy: TenancyService;
+
+  /**
+   * Deletes the journal transactions that associated to the given reference id.
+   * @param {number} tenantId - The given tenant id.
+   * @param {number} referenceId - The transaction reference id.
+   * @param {string} referenceType - The transaction reference type.
+   * @return {Promise}
+   */
+  async deleteJournalTransactions(
+    tenantId: number,
+    referenceId: number,
+    referenceType: string
+  ) {
+    const { Account, AccountTransaction } = this.tenancy.models(tenantId);
+
+    const transactions = await AccountTransaction.tenant()
+      .query()
+      .whereIn('reference_type', [referenceType])
+      .where('reference_id', referenceId)
+      .withGraphFetched('account.type');
+
+    const accountsDepGraph = await Account.tenant().depGraph().query();
+    const journal = new JournalPoster(accountsDepGraph);
+
+    journal.loadEntries(transactions);
+    journal.removeEntries();
+
+    await Promise.all([journal.deleteEntries(), journal.saveBalance()]);
+  }
+}