feat(nestjs): migrate to NestJS

packages/server/src/modules/Customers/CustomersApplication.service.ts

@@ -0,0 +1,86 @@
+import { Injectable } from '@nestjs/common';
+import { GetCustomerService } from './queries/GetCustomer.service';
+import { CreateCustomer } from './commands/CreateCustomer.service';
+import { EditCustomer } from './commands/EditCustomer.service';
+import { DeleteCustomer } from './commands/DeleteCustomer.service';
+import { EditOpeningBalanceCustomer } from './commands/EditOpeningBalanceCustomer.service';
+import { ICustomerOpeningBalanceEditDTO } from './types/Customers.types';
+import { CreateCustomerDto } from './dtos/CreateCustomer.dto';
+import { EditCustomerDto } from './dtos/EditCustomer.dto';
+
+@Injectable()
+export class CustomersApplication {
+  constructor(
+    private getCustomerService: GetCustomerService,
+    private createCustomerService: CreateCustomer,
+    private editCustomerService: EditCustomer,
+    private deleteCustomerService: DeleteCustomer,
+    private editOpeningBalanceService: EditOpeningBalanceCustomer,
+    // private getCustomersService: GetCustomers,
+  ) {}
+
+  /**
+   * Retrieves the given customer details.
+   * @param {number} tenantId
+   * @param {number} customerId
+   */
+  public getCustomer = (customerId: number) => {
+    return this.getCustomerService.getCustomer(customerId);
+  };
+
+  /**
+   * Creates a new customer.
+   * @param {ICustomerNewDTO} customerDTO
+   * @returns {Promise<ICustomer>}
+   */
+  public createCustomer = (customerDTO: CreateCustomerDto) => {
+    return this.createCustomerService.createCustomer(customerDTO);
+  };
+
+  /**
+   * Edits details of the given customer.
+   * @param {number} customerId - Customer id.
+   * @param {ICustomerEditDTO} customerDTO - Customer edit DTO.
+   * @return {Promise<ICustomer>}
+   */
+  public editCustomer = (customerId: number, customerDTO: EditCustomerDto) => {
+    return this.editCustomerService.editCustomer(customerId, customerDTO);
+  };
+
+  /**
+   * Deletes the given customer and associated transactions.
+   * @param {number} tenantId
+   * @param {number} customerId
+   * @param {ISystemUser} authorizedUser
+   * @returns {Promise<void>}
+   */
+  public deleteCustomer = (customerId: number) => {
+    return this.deleteCustomerService.deleteCustomer(customerId);
+  };
+
+  /**
+   * Changes the opening balance of the given customer.
+   * @param {number} tenantId
+   * @param {number} customerId
+   * @param {Date|string} openingBalanceEditDTO
+   * @returns {Promise<ICustomer>}
+   */
+  public editOpeningBalance = (
+    customerId: number,
+    openingBalanceEditDTO: ICustomerOpeningBalanceEditDTO,
+  ) => {
+    return this.editOpeningBalanceService.changeOpeningBalance(
+      customerId,
+      openingBalanceEditDTO,
+    );
+  };
+
+  /**
+   * Retrieve customers paginated list.
+   * @param {number} tenantId - Tenant id.
+   * @param {ICustomersFilter} filter - Cusotmers filter.
+   */
+  // public getCustomers = (filterDTO: ICustomersFilter) => {
+  // return this.getCustomersService.getCustomersList(filterDTO);
+  // };
+}