FEATURE #1358: add interface Authenticable to User model.

It seems that Laravel needs User models (users which are about to authenticate) to implement Authenticable interface.

app/Http/Controllers/Admin/Login.php

@@ -5,6 +5,7 @@ namespace App\Http\Controllers\Admin;
 use App\Http\Controllers\Controller;
 use App\Http\Requests;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
 
 /**
  * Class Login
@@ -15,22 +16,23 @@ use Illuminate\Http\Request;
  */
 class Login extends Controller
 {
-    /**
-     * @param array $data
-     */
-    protected function validator(array $data)
-    {
-        return Validator::make($data, [
-            'name'     => 'required|max:255',
-            'email'    => 'required|email|max:255|unique:users',
-            'password' => 'required|confirmed|min:6',
-        ]);
-    }
-
     /**
      * @param Request $request
      */
     public function postLogin(Request $request)
     {
+        if (Auth::check()) {
+            echo "uz jsem prihlasen.";
+
+            return;
+        }
+
+        if (Auth::attempt(['email' => $request->email, 'password' => $request->password])) {
+            echo "prihlaseni uspesne";
+
+            return;
+        }
+
+        echo "neplatne prihlaseni";
     }
 }