add server to monorepo.

packages/server/src/services/Accounting/LedgerStorageService.ts

@@ -0,0 +1,98 @@
+import { Service, Inject } from 'typedi';
+import { Knex } from 'knex';
+import { ILedger } from '@/interfaces';
+import { LedgerContactsBalanceStorage } from './LedgerContactStorage';
+import { LedegrAccountsStorage } from './LedgetAccountStorage';
+import { LedgerEntriesStorage } from './LedgerEntriesStorage';
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+import Ledger from './Ledger';
+@Service()
+export default class LedgerStorageService {
+  @Inject()
+  private ledgerEntriesService: LedgerEntriesStorage;
+
+  @Inject()
+  private ledgerContactsBalance: LedgerContactsBalanceStorage;
+
+  @Inject()
+  private ledgerAccountsBalance: LedegrAccountsStorage;
+
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  /**
+   * Commit the ledger to the storage layer as one unit-of-work.
+   * @param   {number} tenantId
+   * @param   {ILedger} ledger
+   * @returns {Promise<void>}
+   */
+  public commit = async (
+    tenantId: number,
+    ledger: ILedger,
+    trx?: Knex.Transaction
+  ): Promise<void> => {
+    const tasks = [
+      // Saves the ledger entries.
+      this.ledgerEntriesService.saveEntries(tenantId, ledger, trx),
+
+      // Mutates the assocaited accounts balances.
+      this.ledgerAccountsBalance.saveAccountsBalance(tenantId, ledger, trx),
+
+      // Mutates the associated contacts balances.
+      this.ledgerContactsBalance.saveContactsBalance(tenantId, ledger, trx),
+    ];
+    await Promise.all(tasks);
+  };
+
+  /**
+   * Deletes the given ledger and revert balances.
+   * @param   {number} tenantId
+   * @param   {ILedger} ledger
+   * @param   {Knex.Transaction} trx
+   * @returns {Promise<void>}
+   */
+  public delete = async (
+    tenantId: number,
+    ledger: ILedger,
+    trx?: Knex.Transaction
+  ) => {
+    const tasks = [
+      // Deletes the ledger entries.
+      this.ledgerEntriesService.deleteEntries(tenantId, ledger, trx),
+
+      // Mutates the assocaited accounts balances.
+      this.ledgerAccountsBalance.saveAccountsBalance(tenantId, ledger, trx),
+
+      // Mutates the associated contacts balances.
+      this.ledgerContactsBalance.saveContactsBalance(tenantId, ledger, trx),
+    ];
+    await Promise.all(tasks);
+  };
+
+  /**
+   * @param tenantId
+   * @param referenceId
+   * @param referenceType
+   * @param trx
+   */
+  public deleteByReference = async (
+    tenantId: number,
+    referenceId: number | number[],
+    referenceType: string | string[],
+    trx?: Knex.Transaction
+  ) => {
+    const { transactionsRepository } = this.tenancy.repositories(tenantId);
+
+    // Retrieves the transactions of the given reference.
+    const transactions =
+      await transactionsRepository.getTransactionsByReference(
+        referenceId,
+        referenceType
+      );
+    // Creates a new ledger from transaction and reverse the entries.
+    const reversedLedger = Ledger.fromTransactions(transactions).reverse();
+
+    // Deletes and reverts the balances.
+    await this.delete(tenantId, reversedLedger, trx);
+  };
+}