Fix bug refresh to register page

app/Http/Controllers/Auth/RegisterController.php

@@ -11,6 +11,7 @@ use App\Http\Controllers\Controller;
 use Illuminate\Support\Facades\Hash;
 use Illuminate\Support\Facades\Validator;
 use Illuminate\Foundation\Auth\RegistersUsers;
+use Illuminate\Support\Facades\Session;
 use Illuminate\Support\Facades\Auth;
 use Illuminate\Http\Request;
 use Maatwebsite\Excel\Facades\Excel;
@@ -100,21 +101,17 @@ class RegisterController extends Controller
         $username = $data['username'];
         $validator = $this->validateRegister($data);
 
+        $alert_success = [];
+        $alert_warning = [];
+
         if ($validator->fails()) {
             $error_messages = json_decode($validator->errors(), true);
             foreach ($error_messages as $error_message) {
-                echo '<div class="alert alert-warning alert-dismissible fade show text-center">
-                    <button type="button" class="close" data-dismiss="alert">&times;</button>'
-                    .$error_message[0].' 
-                  </div>';
+                array_push($alert_warning, $error_message[0]);
             }
-            return view('auth.register');
         } else if (KelasTesis::select('id')->count()==0) {
-            echo '<div class="alert alert-warning alert-dismissible fade show text-center">
-                    <button type="button" class="close" data-dismiss="alert">&times;</button>
-                    Kelas Tesis is <strong>not available</strong>. Please make sure there is available Kelas Tesis.
-                  </div>';
-            return view('auth.register');
+            $error_kelas_tesis = "Kelas Tesis is not available. Please make sure there is available Kelas Tesis.";
+            array_push($alert_warning, $error_kelas_tesis);
         } else {
            $user = $this->create($data);
            $role = $data['role'];
@@ -126,12 +123,12 @@ class RegisterController extends Controller
            } else if($role == User::ROLE_MANAJER) {
                Manajer::create(['id'=>$user->id]);
            }
-            echo '<div class="alert alert-success alert-dismissible fade show text-center">
-                    <button type="button" class="close" data-dismiss="alert">&times;</button>
-                    <strong>Success !</strong> New user has successfully registered!
-                  </div>';
-           return view('auth.register');
+           $success_message = "Success! New user has successfully registered!";
+           array_push($alert_success, $success_message);
         }
+        Session::flash('alert_success', $alert_success);
+        Session::flash('alert_warning', $alert_warning);
+        return redirect('/register');
     }
 
     public function registerUsers(Request $request) {
@@ -141,12 +138,13 @@ class RegisterController extends Controller
         $success = 0;
         $failed = 0;
 
+        $alert_success = [];
+        $alert_warning = [];
+
         if (empty($file)) {
-            echo '<div class="alert alert-warning alert-dismissible fade show text-center">
-                    <button type="button" class="close" data-dismiss="alert">&times;</button>
-                    File is <strong>failed</strong> to upload.
-                  </div>';
-            return view('auth.register');
+            $file_not_uploaded_message = "File is failed to upload.";
+            array_push($alert_warning, $file_not_uploaded_message);
+            return redirect('/register');
         } else if (($extension == 'xlsx') || ($extension == 'xls')) {
             $sheets = Excel::toArray(new UsersImport, $file);
             $head_rows = $sheets[0];
@@ -186,17 +184,15 @@ class RegisterController extends Controller
             }
         }
         if ($success) {
-            echo '<div class="alert alert-success alert-dismissible fade show text-center">
-                <button type="button" class="close" data-dismiss="alert">&times;</button>
-                <strong>Success !</strong>'. $success . ' user(s) are added! 
-                </div>';
+            $success_message = "Success !'. $success . ' user(s) are added!";
+            array_push($alert_success, $success_message);
         }
         if ($failed) {
-            echo '<div class="alert alert-warning alert-dismissible fade show text-center">
-                <button type="button" class="close" data-dismiss="alert">&times;</button>
-                '. $failed.' user(s) are <strong>failed</strong> to add.
-            </div>';
+            $failed_message = "$failed user(s) are failed to add.";
+            array_push($alert_warning, $failed_message);
         }
-        return view('auth.register');
+        Session::flash('alert_success', $alert_success);
+        Session::flash('alert_warning', $alert_warning);
+        return redirect('/register');
     }
 }

resources/views/auth/register.blade.php

 @extends('layouts.app')
 
+@if(Session::has('alert_success'))
+    @foreach (Session::get('alert_success') as $success)
+        <div class="alert alert-success alert-dismissible fade show text-center">
+        <button type="button" class="close" data-dismiss="alert">&times;</button>
+        {{$success}}    
+        </div>
+    @endforeach
+@endif
+
+@if(Session::has('alert_warning'))
+    @foreach (Session::get('alert_warning') as $error)
+        <div class="alert alert-warning alert-dismissible fade show text-center">
+        <button type="button" class="close" data-dismiss="alert">&times;</button>
+        {{$error}}        
+        </div>
+    @endforeach
+@endif
+
 @section('content')
+
 <div class="container">
     <div class="row justify-content-center">
         <div class="col-md-8">