feat(nestjs): migrate to NestJS

packages/server/src/modules/SaleInvoices/queries/GetSaleInvoices.ts

@@ -0,0 +1,67 @@
+import * as R from 'ramda';
+import { SaleInvoiceTransformer } from './SaleInvoice.transformer';
+import { Injectable } from '@nestjs/common';
+import { TransformerInjectable } from '@/modules/Transformer/TransformerInjectable.service';
+import { DynamicListService } from '@/modules/DynamicListing/DynamicList.service';
+import { IFilterMeta, IPaginationMeta } from '@/interfaces/Model';
+import { SaleInvoice } from '../models/SaleInvoice';
+import { ISalesInvoicesFilter } from '../SaleInvoice.types';
+import { Knex } from 'knex';
+
+@Injectable()
+export class GetSaleInvoicesService {
+  constructor(
+    private readonly dynamicListService: DynamicListService,
+    private readonly transformer: TransformerInjectable,
+  ) {}
+
+  /**
+   * Retrieve sales invoices filterable and paginated list.
+   * @param {ISalesInvoicesFilter} filterDTO -
+   * @returns {Promise<{ salesInvoices: SaleInvoice[]; pagination: IPaginationMeta; filterMeta: IFilterMeta; }>}
+   */
+  public async getSaleInvoices(filterDTO: ISalesInvoicesFilter): Promise<{
+    salesInvoices: SaleInvoice[];
+    pagination: IPaginationMeta;
+    filterMeta: IFilterMeta;
+  }> {
+    // Parses stringified filter roles.
+    const filter = this.parseListFilterDTO(filterDTO);
+
+    // Dynamic list service.
+    const dynamicFilter = await this.dynamicListService.dynamicList(
+      SaleInvoice,
+      filter,
+    );
+    const { results, pagination } = await SaleInvoice.query()
+      .onBuild((builder) => {
+        builder.withGraphFetched('entries.item');
+        builder.withGraphFetched('customer');
+
+        dynamicFilter.buildQuery()(builder);
+        filterDTO?.filterQuery?.(builder as any);
+      })
+      .pagination(filter.page - 1, filter.pageSize);
+
+    // Retrieves the transformed sale invoices.
+    const salesInvoices = await this.transformer.transform(
+      results,
+      new SaleInvoiceTransformer(),
+    );
+
+    return {
+      salesInvoices,
+      pagination,
+      filterMeta: dynamicFilter.getResponseMeta(),
+    };
+  }
+
+  /**
+   * Parses the sale invoice list filter DTO.
+   * @param filterDTO
+   * @returns
+   */
+  private parseListFilterDTO(filterDTO) {
+    return R.compose(this.dynamicListService.parseStringifiedFilter)(filterDTO);
+  }
+}