invoiceninja/app/Http/Controllers/Reports/PurchaseOrderReportController.php

<?php
/**
 * PurchaseOrder Ninja (https://invoiceninja.com).
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2023. PurchaseOrder Ninja LLC (https://invoiceninja.com)
 *
 * @license https://www.elastic.co/licensing/elastic-license
 */

namespace App\Http\Controllers\Reports;

use App\Export\CSV\PurchaseOrderExport;
use App\Http\Controllers\BaseController;
use App\Http\Requests\Report\GenericReportRequest;
use App\Jobs\Report\SendToAdmin;
use App\Utils\Traits\MakesHash;

class PurchaseOrderReportController extends BaseController
{
    use MakesHash;

    private string $filename = 'purchase_orders.csv';

    public function __construct()
    {
        parent::__construct();
    }

    public function __invoke(GenericReportRequest $request)
    {
        if ($request->has('send_email') && $request->get('send_email')) {
            SendToAdmin::dispatch(auth()->user()->company(), $request->all(), PurchaseOrderExport::class, $this->filename);

            return response()->json(['message' => 'working...'], 200);
        }
        // expect a list of visible fields, or use the default

        $export = new PurchaseOrderExport(auth()->user()->company(), $request->all());

        $csv = $export->run();

        $headers = [
            'Content-Disposition' => 'attachment',
            'Content-Type' => 'text/csv',
        ];

        return response()->streamDownload(function () use ($csv) {
            echo $csv;
        }, $this->filename, $headers);
    }
}