feat(nestjs): migrate to NestJS

packages/server/src/modules/Vendors/queries/GetVendor.ts

@@ -0,0 +1,28 @@
+import { Inject, Injectable } from '@nestjs/common';
+import { TransformerInjectable } from '@/modules/Transformer/TransformerInjectable.service';
+import { Vendor } from '../models/Vendor';
+import { VendorTransfromer } from './VendorTransformer';
+import { TenantModelProxy } from '@/modules/System/models/TenantBaseModel';
+
+@Injectable()
+export class GetVendorService {
+  constructor(
+    private readonly transformer: TransformerInjectable,
+    @Inject(Vendor.name)
+    private readonly vendorModel: TenantModelProxy<typeof Vendor>,
+  ) {}
+
+  /**
+   * Retrieve the given vendor details.
+   * @param {number} vendorId
+   */
+  public async getVendor(vendorId: number) {
+    const vendor = await this.vendorModel()
+      .query()
+      .findById(vendorId)
+      .throwIfNotFound();
+
+    // Transformes the vendor.
+    return this.transformer.transform(vendor, new VendorTransfromer());
+  }
+}

packages/server/src/modules/Vendors/queries/GetVendors.service.ts

@@ -0,0 +1,72 @@
+import * as R from 'ramda';
+import { Inject, Injectable } from '@nestjs/common';
+import { Vendor } from '../models/Vendor';
+import { DynamicListService } from '@/modules/DynamicListing/DynamicList.service';
+import { TransformerInjectable } from '@/modules/Transformer/TransformerInjectable.service';
+import { VendorTransfromer } from './VendorTransformer';
+import { GetVendorsResponse, IVendorsFilter } from '../types/Vendors.types';
+import { TenantModelProxy } from '@/modules/System/models/TenantBaseModel';
+
+@Injectable()
+export class GetVendorsService {
+  /**
+   * Constructor method.
+   * @param {DynamicListService} dynamicListService
+   * @param {TransformerInjectable} transformer
+   * @param {typeof Vendor} vendorModel
+   */
+  constructor(
+    private dynamicListService: DynamicListService,
+    private transformer: TransformerInjectable,
+
+    @Inject(Vendor.name) private vendorModel: TenantModelProxy<typeof Vendor>,
+  ) {}
+
+  /**
+   * Retrieve vendors datatable list.
+   * @param {IVendorsFilter} vendorsFilter - Vendors filter.
+   * @returns {Promise<GetVendorsResponse>}
+   */
+  public async getVendorsList(
+    filterDTO: IVendorsFilter,
+  ): Promise<GetVendorsResponse> {
+    // Parses vendors list filter DTO.
+    const filter = this.parseVendorsListFilterDTO(filterDTO);
+
+    // Dynamic list service.
+    const dynamicList = await this.dynamicListService.dynamicList(
+      this.vendorModel(),
+      filter,
+    );
+    // Vendors list.
+    const { results, pagination } = await this.vendorModel()
+      .query()
+      .onBuild((builder) => {
+        dynamicList.buildQuery()(builder);
+
+        // Switches between active/inactive modes.
+        builder.modify('inactiveMode', filter.inactiveMode);
+      })
+      .pagination(filter.page - 1, filter.pageSize);
+
+    // Transform the vendors.
+    const transformedVendors = await this.transformer.transform(
+      results,
+      new VendorTransfromer(),
+    );
+    return {
+      vendors: transformedVendors,
+      pagination,
+      filterMeta: dynamicList.getResponseMeta(),
+    };
+  }
+
+  /**
+   *
+   * @param filterDTO
+   * @returns
+   */
+  private parseVendorsListFilterDTO(filterDTO) {
+    return R.compose(this.dynamicListService.parseStringifiedFilter)(filterDTO);
+  }
+}

packages/server/src/modules/Vendors/queries/VendorTransformer.ts

@@ -0,0 +1,15 @@
+import { ContactTransfromer } from "../../Contacts/Contact.transformer";
+
+export class VendorTransfromer extends ContactTransfromer {
+  /**
+   * Include these attributes to expense object.
+   * @returns {Array}
+   */
+  public includeAttributes = (): string[] => {
+    return [
+      'formattedBalance',
+      'formattedOpeningBalance',
+      'formattedOpeningBalanceAt'
+    ];
+  };
+}