/**
  * Define your route model bindings, pattern filters, etc.
  *
  * @param  \Illuminate\Routing\Router  $router
  * @return void
  */
 public function boot(Router $router)
 {
     parent::boot($router);
     $router->bind("users", function ($slug) {
         try {
             $user = User::whereSlug($slug)->with("state", "user_type")->firstOrFail();
             // User::with()->findOrFail($id);
             return $user;
         } catch (ModelNotFoundException $e) {
             return abort("404");
         }
     });
     $router->bind("students", function ($slug) {
         try {
             $student = User::whereSlug($slug)->with("state", "user_type")->firstOrFail();
             // User::with()->findOrFail($id);
             return $student;
         } catch (ModelNotFoundException $e) {
             return abort("404");
         }
     });
     $router->bind("universities", function ($slug) {
         try {
             $university = University::whereSlug($slug)->with("students", "faculties")->firstOrFail();
             // User::with()->findOrFail($id);
             return $university;
         } catch (ModelNotFoundException $e) {
             return abort("404");
         }
     });
     $router->bind("companies", function ($slug) {
         try {
             $company = Company::whereSlug($slug)->firstOrFail();
             // User::with()->findOrFail($id);
             return $company;
         } catch (ModelNotFoundException $e) {
             return abort("404");
         }
     });
 }