Laravel 5.8: Multi users authentication issue - laravel

Question

in my laravel project, I have two users (Admins and Users).
I got started admins' authentification.
Now when I go to a create page (http://127.0.0.1:8000/admin/posts/create) in my CRUD application, it redirects to http://127.0.0.1:8000/login.
I am glad if someone gives me a solution to go back to http://127.0.0.1:8000/admin/login page which is admin side login page.
Here is my codes.
web.php
Route::prefix('admin')->group(function(){
Route::get('/login', 'Auth\AdminLoginController#showLoginForm')->name('admin.login');
Route::post('/login', 'Auth\AdminLoginController#login')->name('admin.login.submit');
Route::get('/', 'AdminController#index')->name('admin.dashboard');
Route::resource('categories','CategoriesController');
Route::resource('posts', 'PostsController')->middleware('auth');
Route::get('trashed-posts', 'PostsController#trashed')->name('trashed-posts.index');
Route::PUT('restore-post/{post}', 'PostsController#restore')->name('restore-posts');
});
VerifyCategoriesCount.php in my middleware folder
public function handle($request, Closure $next)
{
if (Auth::check()) {
if (Auth::user()->role == 'Admin') {
return $next($request);
}
}
return redirect('/admin/');
}
kernel.php
protected $routeMiddleware = [
'auth' => \App\Http\Middleware\Authenticate::class,
'auth.basic' => \Illuminate\Auth\Middleware\AuthenticateWithBasicAuth::class,
'bindings' => \Illuminate\Routing\Middleware\SubstituteBindings::class,
'cache.headers' => \Illuminate\Http\Middleware\SetCacheHeaders::class,
'can' => \Illuminate\Auth\Middleware\Authorize::class,
'guest' => \App\Http\Middleware\RedirectIfAuthenticated::class,
'signed' => \Illuminate\Routing\Middleware\ValidateSignature::class,
'throttle' => \Illuminate\Routing\Middleware\ThrottleRequests::class,
'verified' => \Illuminate\Auth\Middleware\EnsureEmailIsVerified::class,
'verifyCategoriesCount' => VerifyCategoriesCount::class
];
postsController.php
public function __construct()
{
$this->middleware('VerifyCategoriesCount')->only('store');
$this->middleware('admin')->except('index');
}

Answer 1

Add an admin guard in auth.php
'admin' => [
'driver' => 'session',
'provider' => 'admins', //table name
],
And add providers array
'admins' => [
'driver' => 'eloquent',
'model' => App\Admin::class, //Bind your Admin Model
],
Add two middleware,
class AdminRedirectIfAuthenticated
{
/**
* Handle an incoming request.
*
* #param \Illuminate\Http\Request $request
* #param \Closure $next
* #return mixed
*/
public function handle($request, Closure $next)
{
if (Auth::guard('admin')->check()) {
return redirect('/admin/home');
}
return $next($request);
}
}
And
class AdminRedirectIfNotAuthenticated
{
/**
* Handle an incoming request.
*
* #param \Illuminate\Http\Request $request
* #param \Closure $next
* #return mixed
*/
public function handle($request, Closure $next)
{
if (!Auth::guard('admin')->check()) {
return redirect('/admin/login');
}
return $next($request);
}
}
Register your middlewares in kernel.php
'admin.auth' => \App\Http\Middleware\AdminRedirectIfNotAuthenticated::class,
'admin.guest' => \App\Http\Middleware\AdminRedirectIfAuthenticated::class,
In your AdminController.php add,
public function __construct()
{
$this->middleware('admin.auth');
}
And,
In your LoginController.php add,
public function __construct()
{
$this->middleware('admin.guest');
}
In web.php
Route::get('/admin/login', 'Admin\LoginController#showLoginForm')->name('admin.login');
Route::get('/admin/home', 'Admin\AdminController#home')->name('home');