SetUserLanguage.php

SetUserLanguage.php

<?php
namespace App\Http\Middleware;
use Closure;
use Illuminate\Support\Facades\{App, Auth, Config, Cookie, Request, Session};
class SetUserLanguage
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle($request, Closure $next)
    {
        // Get the request language
        $urlLanguage = Request::segment(1);
        // Get Cookie langugage
        $cookieLanguage = Cookie::get('language');
        // Get the Browser Request language
        $browserLanguage = substr(Request::server('HTTP_ACCEPT_LANGUAGE'), 0, 2);
        // Start by checking the request language
        // Check if the request language is supported or not?
        if(!empty($urlLanguage) && in_array($urlLanguage, array_keys(Config::get('owebo.supported_languages'))))
        {
            // Check whether the request url language is not the same as the remembered language in cookies
            if($urlLanguage != $cookieLanguage)
            {
                Session::put('language', $urlLanguage);
            }
            // Set the App Locale
            App::setLocale($urlLanguage);
        }
        // Grab the user language in settings if that exists
        else if(Auth::check() && !is_null($userLanguage = Auth::user()->language)) {
            // Set User Language
            App::setLocale($userLanguage);
        }
        // Check if there is a language saved as forever cookie and is it supported or not?
        else if(!empty($cookieLanguage) && in_array($cookieLanguage, array_keys(Config::get('owebo.supported_languages'))))
        {
            // Set App Locale
            App::setLocale($cookieLanguage);
        }
        // Check the browser request language is supported in our app?
        else if(!empty($browserLanguage) && in_array($browserLanguage, array_keys(Config::get('owebo.supported_languages'))))
        {
            // Check whether the request url language is not the same as the remembered language in cookies
            if($browserLanguage != $cookieLanguage)
            {
                Session::put('language', $browserLanguage);
            }
            // Set Browser Language
            App::setLocale($browserLanguage);
        }
        else
        {
            // Default Application Setting Language
            App::setLocale(Config::get('app.locale'));
        }
        // Get response in order to set the correct language and return it
        $response = $next($request);
        $language = Session::get('language');
        if(!empty($language))
        {
            // Send the language cookie
            return $response->withCookie(Cookie::forever('language', $language));
        }
        return $response;
    }
}