ldc-com-app-bo/app/Http/Controllers/Bo/DashboardController.php

<?php

namespace App\Http\Controllers\Bo;

use App\Http\Controllers\Controller;
use App\Models\Contact;
use Illuminate\Support\Facades\Storage;
use Parsedown;
use Illuminate\Support\Facades\File;

class DashboardController extends Controller
{
    /**
     * Show the application dashboard.
     *
     * @return \Illuminate\Contracts\View\View
     */
    public function index()
    {
        return view('bo.pages.dashboard');
    }

    /**
     * Récupérer les contacts (fichier .csv) et les fichiers.
     *
     * @return \Illuminate\Http\Response|\Illuminate\Contracts\Routing\ResponseFactory
     */
    public function exportContact()
    {
        $csv_file    = 'export-contacts.csv';
        $csvExporter = new \Laracsv\Export();
        $contacts    = Contact::all();

        $csvExporter->beforeEach(function ($contact) {
            $contact->app_user_id = $contact->firstname . " " . $contact->lastname;
            $contact->phone       = "$contact->phone";
        });

        $csvExporter->getWriter()->setDelimiter(';');
        $csvExporter->getWriter()->setEnclosure('"');
        $csvExporter->getWriter()->setOutputBOM(\League\Csv\Reader::BOM_UTF8);
        $csvExporter->build($contacts, [
            'app_user_id' => 'Propriétaire',
            'email' => 'Email',
            'type' => 'Type du contact',
            'other' => 'Type autre',
            'select1' => 'Select n°1',
            'select2' => 'Select n°2',
            'name' => 'Nom',
            'firstname' => 'Prénom',
            'company' => 'Entreprise',
            'address' => 'Adresse',
            'phone' => 'Téléphone',
            'notes' => 'Notes',
            'visits' => 'Visites',
        ]);

        Storage::disk('public')->put($csv_file, $csvExporter->getWriter()->getContent());

        return response()->download(
            storage_path('app/public/') . "$csv_file",
            'contacts.csv',
            ['Content-Type' => 'text/csv; charset=utf-8']
        )->deleteFileAfterSend();
    }
}