ldc-com-app-bo/app/Http/Controllers/HomeController.php

<?php

namespace App\Http\Controllers;

use App\Models\Contacts;
use App\Models\Setting;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;

class HomeController extends Controller
{
    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        $this->middleware('auth');
    }

    /**
     * Show the application dashboard.
     *
     * @return \Illuminate\Contracts\Support\Renderable
     */
    public function index()
    {
        $version = Setting::where('key', 'version')->first();
        return view('home', ['version' => $version->value]);
    }

    public function newVersion(Request $request) {
        $version = Setting::where('key', 'version')->first();
        $version->value = $version->value + 1;
        $version->save();
        return redirect()->route('home');
    }

    /**
     * Récupérer les contacts (csv) et les fichiers
     */
    public function getContacts() {
        // generate csv
        $csv_file = 'contact.csv';
        $csvExporter = new \Laracsv\Export();
        $contacts = Contacts::all();

        $csvExporter->beforeEach(function ($contact) {
            $contact->phone = "$contact->phone";
        });

        $csvExporter->getWriter()->setDelimiter(';');
        $csvExporter->getWriter()->setEnclosure('"');
        $csvExporter->getWriter()->setOutputBOM(\League\Csv\Reader::BOM_UTF8);
        $csvExporter->build($contacts, ['owner_name' => 'Propriétaire', 'email' => 'Email', 'type' => 'Type du contact', 'other' => 'Type autre', 'network' => 'Réseau commercial', 'name' => 'Nom', 'firstname' => 'Prénom', 'office' => 'Poste', 'company' => 'Entreprise', 'address' => 'Adresse', 'phone' => 'Téléphone', 'notes' => 'Notes']);

        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();
    }

}