feat(server): wip tax rates service

packages/server/src/services/TaxRates/EditTaxRate.ts

@@ -0,0 +1,68 @@
+import {
+  IEditTaxRateDTO,
+  ITaxRateCreatingPayload,
+  ITaxRateEditedPayload,
+  ITaxRateEditingPayload,
+} from '@/interfaces';
+import { Inject } from 'typedi';
+import UnitOfWork from '../UnitOfWork';
+import { EventPublisher } from '@/lib/EventPublisher/EventPublisher';
+import HasTenancyService from '../Tenancy/TenancyService';
+import { Knex } from 'knex';
+import { CommandTaxRatesValidators } from './CommandTaxRatesValidators';
+import events from '@/subscribers/events';
+
+export class EditTaxRateService {
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  @Inject()
+  private eventPublisher: EventPublisher;
+
+  @Inject()
+  private uow: UnitOfWork;
+
+  @Inject()
+  private validators: CommandTaxRatesValidators;
+
+  /**
+   *
+   * @param {number} tenantId
+   * @param {number} taxRateId
+   * @param {IEditTaxRateDTO} taxRateEditDTO
+   */
+  public editTaxRate(
+    tenantId: number,
+    taxRateId: number,
+    editTaxRateDTO: IEditTaxRateDTO
+  ) {
+    const { TaxRate } = this.tenancy.models(tenantId);
+
+    const oldTaxRate = TaxRate.query().findById(taxRateId);
+
+    this.validators.validateTaxRateExistance(oldTaxRate);
+
+    return this.uow.withTransaction(tenantId, async (trx: Knex.Transaction) => {
+      // Triggers `onTaxRateCreating` event.
+      await this.eventPublisher.emitAsync(events.taxRates.onCreating, {
+        editTaxRateDTO,
+        tenantId,
+        trx,
+      } as ITaxRateEditingPayload);
+
+      const taxRate = await TaxRate.query(trx)
+        .findById(taxRateId)
+        .patch({ ...editTaxRateDTO });
+
+      // Triggers `onTaxRateCreated` event.
+      await this.eventPublisher.emitAsync(events.taxRates.onCreated, {
+        editTaxRateDTO,
+        taxRate,
+        tenantId,
+        trx,
+      } as ITaxRateEditedPayload);
+
+      return taxRate;
+    });
+  }
+}