invoiceninja/app/Providers/RouteServiceProvider.php

<?php
/**
 * Invoice Ninja (https://invoiceninja.com)
 *
 * @link https://github.com/invoiceninja/invoiceninja source repository
 *
 * @copyright Copyright (c) 2019. Invoice Ninja LLC (https://invoiceninja.com)
 *
 * @license https://opensource.org/licenses/AAL
 */

namespace App\Providers;

use App\Models\GroupSetting;
use App\Models\InvoiceInvitation;
use App\Models\QuoteInvitation;
use App\Models\RecurringInvoiceInvitation;
use App\Utils\Traits\MakesHash;
use Illuminate\Foundation\Support\Providers\RouteServiceProvider as ServiceProvider;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Route;

class RouteServiceProvider extends ServiceProvider
{
    use MakesHash;
    /**
     * This namespace is applied to your controller routes.
     *
     * In addition, it is set as the URL generator's root namespace.
     *
     * @var string
     */
    protected $namespace = 'App\Http\Controllers';

    /**
     * Define your route model bindings, pattern filters, etc.
     *
     * @return void
     */
    public function boot()
    {
        //           
        parent::boot();
    }

    /**
     * Define the routes for the application.
     *
     * @return void
     */
    public function map()
    {
        $this->mapApiRoutes();

        $this->mapWebRoutes();

        $this->mapContactApiRoutes();

        $this->mapClientApiRoutes();
    }

    /**
     * Define the "web" routes for the application.
     *
     * These routes all receive session state, CSRF protection, etc.
     *
     * @return void
     */
    protected function mapWebRoutes()
    {
        Route::middleware('web')
             ->namespace($this->namespace)
             ->group(base_path('routes/web.php'));
    }

    /**
     * Define the "api" routes for the application.
     *
     * These routes are typically stateless.
     *
     * @return void
     */
    protected function mapApiRoutes()
    {
        Route::prefix('')
             ->middleware('api')
             ->namespace($this->namespace)
             ->group(base_path('routes/api.php'));
    }
    
   /**
     * Define the "api" routes for the application.
     *
     * These routes are typically stateless.
     *
     * @return void
     */
    protected function mapContactApiRoutes()
    {
        Route::prefix('')
             ->middleware('contact')
             ->namespace($this->namespace)
             ->group(base_path('routes/contact.php'));
    }

    /**
     * Define the "client" routes for the application.
     *
     * These routes are typically stateless.
     *
     * @return void
     */
    protected function mapClientApiRoutes()
    {
        Route::prefix('')
             ->middleware('client')
             ->namespace($this->namespace)
             ->group(base_path('routes/client.php'));
    }
    
}