Reproduce routes for other languages in the application. (Laravel 4)

composers.php

// I composed them into my layout file
View::composer('layout', function($view)
{
    // Current route object
    $route = Route::getCurrentRoute();

    // Take out first part of route (the locale key)
    $routeWithoutLang = implode('.', array_slice(explode('.', $route->getName()), 1));

    // You should probably put this in a foreach loop
    $langLink = [
        'tr' => call_user_func_array(array('URL', 'route'), array('tr.' . $routeWithoutLang, $route->parameters())),
        'en' => call_user_func_array(array('URL', 'route'), array('en.' . $routeWithoutLang, $route->parameters())),
        'de' => call_user_func_array(array('URL', 'route'), array('de.' . $routeWithoutLang, $route->parameters()))
    ];

    $view->with('langLink', $langLink);
});

routes.php

Route::group([ 'prefix' => 'tr' ], function ()
{
    Route::get('/', [ 'as' => 'tr.home', 'uses' => 'HomeController@showWelcome' ]);

    Route::get('urunler',                   [ 'as' => 'tr.products.index',   'uses' => 'ProductsController@index' ]);
    Route::get('urunler/{group}',           [ 'as' => 'tr.products.group',   'uses' => 'ProductsController@group' ]);
    Route::get('urunler/{group}/{product}', [ 'as' => 'tr.products.product', 'uses' => 'ProductsController@product' ]);
});

Route::group([ 'prefix' => 'en' ], function ()
{
    Route::get('/', [ 'as' => 'en.home', 'uses' => 'HomeController@showWelcome' ]);

    Route::get('product',                   [ 'as' => 'en.products.index',   'uses' => 'ProductsController@index' ]);
    Route::get('product/{group}',           [ 'as' => 'en.products.group',   'uses' => 'ProductsController@group' ]);
    Route::get('product/{group}/{product}', [ 'as' => 'en.products.product', 'uses' => 'ProductsController@product' ]);
});

Route::group([ 'prefix' => 'de' ], function ()
{
    Route::get('/', [ 'as' => 'de.home', 'uses' => 'HomeController@showWelcome' ]);

    Route::get('produkte',                   [ 'as' => 'de.products.index',   'uses' => 'ProductsController@index' ]);
    Route::get('produkte/{group}',           [ 'as' => 'de.products.group',   'uses' => 'ProductsController@group' ]);
    Route::get('produkte/{group}/{product}', [ 'as' => 'de.products.product', 'uses' => 'ProductsController@product' ]);
});