add server to monorepo.

packages/server/src/services/Contacts/Customers/CRUD/EditCustomer.ts

@@ -0,0 +1,77 @@
+import { Knex } from 'knex';
+import {
+  ICustomer,
+  ICustomerEditDTO,
+  ICustomerEventEditedPayload,
+  ICustomerEventEditingPayload,
+  ISystemUser,
+} from '@/interfaces';
+import { EventPublisher } from '@/lib/EventPublisher/EventPublisher';
+import UnitOfWork from '@/services/UnitOfWork';
+import { Inject, Service } from 'typedi';
+import events from '@/subscribers/events';
+import HasTenancyService from '@/services/Tenancy/TenancyService';
+import { CreateEditCustomerDTO } from './CreateEditCustomerDTO';
+
+@Service()
+export class EditCustomer {
+  @Inject()
+  private uow: UnitOfWork;
+
+  @Inject()
+  private eventPublisher: EventPublisher;
+
+  @Inject()
+  private tenancy: HasTenancyService;
+
+  @Inject()
+  private customerDTO: CreateEditCustomerDTO;
+
+  /**
+   * Edits details of the given customer.
+   * @param {number} tenantId
+   * @param {number} customerId
+   * @param {ICustomerEditDTO} customerDTO
+   * @return {Promise<ICustomer>}
+   */
+  public async editCustomer(
+    tenantId: number,
+    customerId: number,
+    customerDTO: ICustomerEditDTO
+  ): Promise<ICustomer> {
+    const { Contact } = this.tenancy.models(tenantId);
+
+    // Retrieve the vendor or throw not found error.
+    const oldCustomer = await Contact.query()
+      .findById(customerId)
+      .modify('customer')
+      .throwIfNotFound();
+
+    // Transformes the given customer DTO to object.
+    const customerObj = this.customerDTO.transformEditDTO(customerDTO);
+
+    // Edits the given customer under unit-of-work evnirement.
+    return this.uow.withTransaction(tenantId, async (trx: Knex.Transaction) => {
+      // Triggers `onCustomerEditing` event.
+      await this.eventPublisher.emitAsync(events.customers.onEditing, {
+        tenantId,
+        customerDTO,
+        customerId,
+        trx,
+      } as ICustomerEventEditingPayload);
+
+      // Edits the customer details on the storage.
+      const customer = await Contact.query().updateAndFetchById(customerId, {
+        ...customerObj,
+      });
+      // Triggers `onCustomerEdited` event.
+      await this.eventPublisher.emitAsync(events.customers.onEdited, {
+        customerId,
+        customer,
+        trx,
+      } as ICustomerEventEditedPayload);
+
+      return customer;
+    });
+  }
+}