add: company excel

src/modules/bills/bills.service.ts

@@ -150,10 +150,10 @@ export class BillsService {
   }
 
   async remove(id: string, businessId: string) {
-    const bill = await this.billRepository.findOne({
-      id,
-      business: { id: businessId },
-    });
+    const bill = await this.billRepository.findOne(
+      { id, business: { id: businessId } },
+      { populate: ["invoices"] },
+    );
     if (!bill) {
       throw new BadRequestException("Bill not found");
     }

src/modules/companies/companies.controller.ts

@@ -1,5 +1,6 @@
-import { Body, Controller, Delete, Get, Param, Patch, Post, Query, UseInterceptors } from "@nestjs/common";
+import { Body, Controller, Delete, Get, Param, Patch, Post, Query, Res, UseInterceptors } from "@nestjs/common";
 import { ApiHeader, ApiOperation } from "@nestjs/swagger";
+import { FastifyReply } from "fastify";
 
 import { CompanyListPublicQueryDto, CompanyListQueryDto } from "./DTO/company-list-query.dto";
 import { ChangeCompanyRequestStatusDto, CreateCompanyDto, CreateCompanyRequestDto } from "./DTO/create-company.dto";
@@ -49,11 +50,23 @@ export class CompaniesController {
 
   @Get("list/all")
   @AuthGuards()
-  @ApiOperation({ summary: "get companies list without pagination (admin)" })
+  @ApiOperation({ summary: "get companies list  without pagination (admin)" })
   getAllCompanies(@BusinessDec("id") businessId: string) {
     return this.companiesService.findAllBybusinessId2(businessId);
   }
 
+  @Get("list/all/export")
+  @ApiHeader({ name: "x-business-id" })
+  @AuthGuards()
+  @ApiOperation({ summary: "export companies list as Excel (admin)" })
+  async exportAllCompanies(@BusinessDec("id") businessId: string, @Res() res: FastifyReply) {
+    const buffer = await this.companiesService.exportCompaniesToExcel(businessId);
+    const filename = "companies.xlsx";
+    res.header("Content-Type", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+    res.header("Content-Disposition", `attachment; filename="${filename}"`);
+    return res.send(buffer);
+  }
+
   @Get("list/public")
   @ApiOperation({ summary: "get companies list (public)" })
   getCompaniesListPublic(@Query() queryDto: CompanyListPublicQueryDto, @BusinessDec("id") businessId: string) {

src/modules/companies/services/companies.service.ts

@@ -1,6 +1,7 @@
 import { EntityManager } from "@mikro-orm/postgresql";
 import { BadRequestException, Injectable } from "@nestjs/common";
 import dayjs from "dayjs";
+import { Workbook } from "exceljs";
 
 import { CompanyMessage, IndustryMessage } from "../../../common/enums/message.enum";
 import { Business } from "../../businesses/entities/business.entity";
@@ -475,4 +476,25 @@ export class CompaniesService {
     const companies = await this.em.find(Company, { business: { id: businessId } });
     return companies;
   }
+
+  async exportCompaniesToExcel(businessId: string): Promise<Buffer> {
+    const companies = await this.em.find(Company, { business: { id: businessId } }, { fields: ["id", "name"] });
+    const workbook = new Workbook();
+    const sheet = workbook.addWorksheet("Companies", { headerFooter: { firstHeader: "Companies" } });
+    sheet.columns = [
+      { header: "companyId", key: "companyId", width: 40 },
+      { header: "company name", key: "companyName", width: 30 },
+      { header: "waterUsage", key: "waterUsage", width: 15 },
+    ];
+    sheet.getRow(1).font = { bold: true };
+    for (const company of companies) {
+      sheet.addRow({
+        companyId: company.id,
+        companyName: company.name,
+        waterUsage: "",
+      });
+    }
+    const buffer = await workbook.xlsx.writeBuffer();
+    return Buffer.from(buffer as ArrayBuffer);
+  }
 }