feat(nestjs): migrate to NestJS

packages/server/src/modules/Vendors/VendorsApplication.service.ts

@@ -0,0 +1,88 @@
+import { Injectable } from '@nestjs/common';
+import { Knex } from 'knex';
+import { CreateVendorService } from './commands/CreateVendor.service';
+import { EditVendorService } from './commands/EditVendor.service';
+import { DeleteVendorService } from './commands/DeleteVendor.service';
+import { EditOpeningBalanceVendorService } from './commands/EditOpeningBalanceVendor.service';
+import { GetVendorService } from './queries/GetVendor';
+import {
+  IVendorOpeningBalanceEditDTO,
+  IVendorsFilter,
+} from './types/Vendors.types';
+import { GetVendorsService } from './queries/GetVendors.service';
+import { CreateVendorDto } from './dtos/CreateVendor.dto';
+import { EditVendorDto } from './dtos/EditVendor.dto';
+
+@Injectable()
+export class VendorsApplication {
+  constructor(
+    private createVendorService: CreateVendorService,
+    private editVendorService: EditVendorService,
+    private deleteVendorService: DeleteVendorService,
+    private editOpeningBalanceService: EditOpeningBalanceVendorService,
+    private getVendorService: GetVendorService,
+    private getVendorsService: GetVendorsService,
+  ) {}
+
+  /**
+   * Creates a new vendor.
+   * @param  {IVendorNewDTO} vendorDTO
+   * @return {Promise<void>}
+   */
+  public createVendor(vendorDTO: CreateVendorDto, trx?: Knex.Transaction) {
+    return this.createVendorService.createVendor(vendorDTO, trx);
+  }
+
+  /**
+   * Edits details of the given vendor.
+   * @param {number} vendorId -
+   * @param {IVendorEditDTO} vendorDTO -
+   * @returns {Promise<IVendor>}
+   */
+  public editVendor(vendorId: number, vendorDTO: EditVendorDto) {
+    return this.editVendorService.editVendor(vendorId, vendorDTO);
+  }
+
+  /**
+   * Deletes the given vendor.
+   * @param {number} vendorId
+   * @return {Promise<void>}
+   */
+  public deleteVendor(vendorId: number) {
+    return this.deleteVendorService.deleteVendor(vendorId);
+  }
+
+  /**
+   * Changes the opening balance of the given customer.
+   * @param   {number} vendorId
+   * @param   {IVendorOpeningBalanceEditDTO} openingBalanceEditDTO
+   * @returns {Promise<IVendor>}
+   */
+  public editOpeningBalance(
+    vendorId: number,
+    openingBalanceEditDTO: IVendorOpeningBalanceEditDTO,
+  ) {
+    return this.editOpeningBalanceService.editOpeningBalance(
+      vendorId,
+      openingBalanceEditDTO,
+    );
+  }
+
+  /**
+   * Retrieves the vendor details.
+   * @param {number} vendorId - Vendor ID.
+   * @returns
+   */
+  public getVendor(vendorId: number) {
+    return this.getVendorService.getVendor(vendorId);
+  }
+
+  /**
+   * Retrieves the vendors paginated list.
+   * @param {IVendorsFilter} filterDTO
+   * @returns {Promise<{ vendors: Vendor[], pagination: IPaginationMeta, filterMeta: IFilterMeta }>>}
+   */
+  public getVendors(filterDTO: IVendorsFilter) {
+    return this.getVendorsService.getVendorsList(filterDTO);
+  }
+}