Multiple Language Route w/ Model Collection

Do your translation in a piece of middleware. Check if there is a ?lang=... request variable, if so, put it in the session

If there is a lang variable in the session, use App::setLocale() in the same middleware to change language.

Now you can change language on any page by adding ?lang=nl to it. After the first change, it will memorize your setting.

How would that look like? @lostdreamer_nl

Currently I am handling translations using localization, which works, but not for the case of adding collections of Models to my view.

Something like this should do :

namespace App\Http\Middleware;

use Closure;

class Translate
{
    protected $default = 'en';

    protected $languages = [
         'en',
         'nl',
         'fr',
    ];

    public function handle($request, Closure $next)
    {
        if($request->has('lang')) {
            $lang = $request->lang;
            if(array_search($lang, $this->languages) === false) {
                $lang = $this->default;
            }

            $request->session()->put('lang', $request->lang);
        }

        \App::setLocale( $request->session()->get('lang') );

        return $next($request);
    }

}

Dont forget to add it in app/Http/Kernel.php:

    protected $middleware = [
        \App\Http\Middleware\Translate::class,
    ];

Going to any URI with ?lang=fr will load french, lang=doesntexist wil load english

After that, going to a regular page should keep you in that same language

Thank you. How do I add it to my routes, then? @lostdreamer_nl

I would set a parameter on the user as to which language to use and then check it inside the controller on which language to pull or view for that matter,

@Tray2 How would that effect my routing structure?

It wouldn't and that is the beauty of it.

Route::get('/page', 'SomeController@index');

public function index()
{
    $view = '';
    switch(getUserLanguage()) {
    case 'EN':
        $view = 'somemodel.index_en';
    break;
    //Additional languages
    default:
        $view = 'somemodel.index_en;
    }
    
    return view($view);
}

Something like that should work.

@splendidkeen Using the middleware option does not require any setup in your routing, by adding the middleware to the provider it will be used on every request and setup the language. Simply add the code as instructed, and visit your website.

Then go to your website, but add "?lang=en" to any route, from that point on you're app will be put in the english locale for that user until they select another language or break the session.

Putting your logic for translation inside your controller is not a smart thing as you will have to repeat the logic in every controller.

@lostdreamer_nl

My routes will remain in this structure, right?

Route::get('/', 'HomeController@index')->name('home');

Logically, I could implement a logic, that checks on a stored parameter with respect to the language a User chooses, e.g. at signup, within this middleware?

Yes, your routes remain unchanged, as long as the Middleware is setup in your Kernel.php it will work.

And yes, you could ofcourse refactor this code to see if the user is logged in, and grab some setting from their profile ti set the language. Simply use auth()->user() to get the logged in user object and access any saved attribute from there to set the language.

Thank you @lostdreamer_nl

Sorry for combing back @lostdreamer_nl

After adding the middleware to my Kernel.php, I get the error: Session store not set on request for every page, any recommendations?

@splendidkeen Aah yes, my bad:

Instead of this:

    protected $middleware = [
        \App\Http\Middleware\Translate::class,
    ];

Try adding it only to the web middleware group, below the SessionStart middleware

    protected $middlewareGroups = [
        'web' => [
            \App\Http\Middleware\EncryptCookies::class,
            \Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class,
            \Illuminate\Session\Middleware\StartSession::class,  // <-- without this one, it wont work
            // \Illuminate\Session\Middleware\AuthenticateSession::class,
            \Illuminate\View\Middleware\ShareErrorsFromSession::class,
            \App\Http\Middleware\VerifyCsrfToken::class,
            \Illuminate\Routing\Middleware\SubstituteBindings::class,
            \App\Http\Middleware\Translate::class,   // <-- Add it here
        ],
        'api' => [
            'throttle:60,1',
            'bindings',
        ],
    ];

Thank you for coming back. It works @lostdreamer_nl

Sorry for coming back @lostdreamer_nl

I tried to check based on a language_id integer on the User/ Partner Model, which language to choose for this session. Right now it is not working.

class Language
{
    protected $default = 'en';

    protected $languages = [
         'en',
         'de', 
    ];

    public function handle($request, Closure $next)
    {
        if($request->has('lang')) {
            $lang = $request->lang;
            if(array_search($lang, $this->languages) === false) {
                $lang = $this->default;
            }
    
        // How can I check on the authenticated user (User.php or Partner.php, both with 'language_id' on their table, referring to Language.php)
    
           if(auth()->guard('partner')){
        
        if (auth()->user()->language_id == 1) {
                    $request->session()->put('lang', 'en');
                } elseif (auth()->user()->language_id == 2) {
                    $request->session()->put('lang', 'de');
                }
       } else{
        
        if (auth()->user()->language_id == 1) {
                    $request->session()->put('lang', 'en');
                } elseif (auth()->user()->language_id == 2) {
                    $request->session()->put('lang', 'de');
                }
       }

            $request->session()->put('lang', $request->lang);
        }

        \App::setLocale( $request->session()->get('lang') );

        return $next($request);
    }
}