refactor: use complete AJAX fetch for auth forms without intermediate redirect page

app/Http/Controllers/AuthController.php

@@ -27,12 +27,24 @@ public function login(Request $request)
         ]);
 
         if ($validator->fails()) {
+            if ($request->wantsJson() || $request->ajax()) {
+                return response()->json([
+                    'success' => false,
+                    'message' => $validator->errors()->first()
+                ], 422);
+            }
             return back()->withErrors($validator)->withInput()
                          ->with('error_title', 'Login Gagal')
                          ->with('error', 'Silakan periksa kembali email atau password Anda.');
         }
 
         if (! Auth::attempt($request->only('email', 'password'), $request->boolean('remember'))) {
+            if ($request->wantsJson() || $request->ajax()) {
+                return response()->json([
+                    'success' => false,
+                    'message' => 'Email atau password tidak valid.'
+                ], 401);
+            }
             return back()->withErrors(['email' => 'Email atau password tidak valid.'])->onlyInput('email')
                          ->with('error_title', 'Login Gagal')
                          ->with('error', 'Kredensial tidak valid.');
@@ -42,12 +54,24 @@ public function login(Request $request)
         $user = $request->user();
 
         if ($user->hasRole('admin')) {
-            return back()->with('auth_success', 'Login berhasil sebagai admin.')
-                         ->with('redirect_url', route('admin.dashboard'));
+            if ($request->wantsJson() || $request->ajax()) {
+                return response()->json([
+                    'success' => true,
+                    'message' => 'Login berhasil sebagai admin.',
+                    'redirect_url' => route('admin.dashboard')
+                ]);
+            }
+            return redirect()->route('admin.dashboard')->with('success', 'Login berhasil sebagai admin.');
         }
 
-        return back()->with('auth_success', 'Login berhasil.')
-                     ->with('redirect_url', route('home'));
+        if ($request->wantsJson() || $request->ajax()) {
+            return response()->json([
+                'success' => true,
+                'message' => 'Login berhasil.',
+                'redirect_url' => route('home')
+            ]);
+        }
+        return redirect()->route('home')->with('success', 'Login berhasil.');
     }
 
     public function register(Request $request)
@@ -60,6 +84,12 @@ public function register(Request $request)
         ]);
 
         if ($validator->fails()) {
+            if ($request->wantsJson() || $request->ajax()) {
+                return response()->json([
+                    'success' => false,
+                    'message' => $validator->errors()->first()
+                ], 422);
+            }
             return back()->withErrors($validator)
                          ->withInput()
                          ->with('error_title', 'Registrasi Gagal')
@@ -79,9 +109,21 @@ public function register(Request $request)
             Auth::login($user);
             $request->session()->regenerate();
 
-            return back()->with('auth_success', 'Registrasi berhasil. Selamat datang!')
-                         ->with('redirect_url', route('home'));
+            if ($request->wantsJson() || $request->ajax()) {
+                return response()->json([
+                    'success' => true,
+                    'message' => 'Registrasi berhasil. Selamat datang!',
+                    'redirect_url' => route('home')
+                ]);
+            }
+            return redirect()->route('home')->with('success', 'Registrasi berhasil. Selamat datang!');
         } catch (\Exception $e) {
+            if ($request->wantsJson() || $request->ajax()) {
+                return response()->json([
+                    'success' => false,
+                    'message' => 'Terjadi kesalahan pada sistem.'
+                ], 500);
+            }
             return back()->withInput()
                          ->with('error_title', 'Registrasi Gagal')
                          ->with('error', 'Terjadi kesalahan pada sistem.');

resources/views/auth/login.blade.php

@@ -88,8 +88,49 @@
                 return showError('Validasi Gagal', 'Password tidak boleh kosong.');
             }
             
-            // If all validation passes, submit the form
-            this.submit();
+            // Instead of standard submit, do AJAX fetch
+            const submitBtn = form.querySelector('button[type="submit"]');
+            const originalBtnHtml = submitBtn.innerHTML;
+            submitBtn.disabled = true;
+            submitBtn.innerHTML = '<i class="fas fa-spinner fa-spin me-1"></i>Memproses...';
+            
+            const formData = new FormData(form);
+            
+            fetch(form.action, {
+                method: 'POST',
+                body: formData,
+                headers: {
+                    'X-Requested-With': 'XMLHttpRequest',
+                    'Accept': 'application/json'
+                }
+            })
+            .then(response => response.json())
+            .then(data => {
+                if (data.success) {
+                    Swal.fire({
+                        icon: 'success',
+                        title: 'Berhasil!',
+                        text: data.message,
+                        timer: 2000,
+                        timerProgressBar: true,
+                        showConfirmButton: false,
+                        allowOutsideClick: false,
+                        allowEscapeKey: false,
+                        willClose: () => {
+                            window.location.href = data.redirect_url;
+                        }
+                    });
+                } else {
+                    submitBtn.disabled = false;
+                    submitBtn.innerHTML = originalBtnHtml;
+                    showError('Login Gagal', data.message || 'Kredensial tidak valid.');
+                }
+            })
+            .catch(error => {
+                submitBtn.disabled = false;
+                submitBtn.innerHTML = originalBtnHtml;
+                showError('Error', 'Terjadi kesalahan pada sistem.');
+            });
         });
     }
     

resources/views/auth/register.blade.php

@@ -132,8 +132,49 @@
                 return showError('Validasi Gagal', 'Anda harus menyetujui syarat dan ketentuan.');
             }
             
-            // If all validation passes, submit the form
-            this.submit();
+            // Instead of standard submit, do AJAX fetch
+            const submitBtn = form.querySelector('button[type="submit"]');
+            const originalBtnHtml = submitBtn.innerHTML;
+            submitBtn.disabled = true;
+            submitBtn.innerHTML = '<i class="fas fa-spinner fa-spin me-1"></i>Memproses...';
+            
+            const formData = new FormData(form);
+            
+            fetch(form.action, {
+                method: 'POST',
+                body: formData,
+                headers: {
+                    'X-Requested-With': 'XMLHttpRequest',
+                    'Accept': 'application/json'
+                }
+            })
+            .then(response => response.json())
+            .then(data => {
+                if (data.success) {
+                    Swal.fire({
+                        icon: 'success',
+                        title: 'Berhasil!',
+                        text: data.message,
+                        timer: 2000,
+                        timerProgressBar: true,
+                        showConfirmButton: false,
+                        allowOutsideClick: false,
+                        allowEscapeKey: false,
+                        willClose: () => {
+                            window.location.href = data.redirect_url;
+                        }
+                    });
+                } else {
+                    submitBtn.disabled = false;
+                    submitBtn.innerHTML = originalBtnHtml;
+                    showError('Registrasi Gagal', data.message || 'Silakan periksa kembali data Anda.');
+                }
+            })
+            .catch(error => {
+                submitBtn.disabled = false;
+                submitBtn.innerHTML = originalBtnHtml;
+                showError('Error', 'Terjadi kesalahan pada sistem.');
+            });
         });
     }
     

resources/views/partials/alerts.blade.php

@@ -1,19 +1,3 @@
-@if (session('auth_success'))
-    <script>
-        Swal.fire({
-            icon: 'success',
-            title: 'Berhasil!',
-            text: @json(session('auth_success')),
-            timer: 2000,
-            timerProgressBar: true,
-            showConfirmButton: false,
-            willClose: () => {
-                window.location.href = @json(session('redirect_url'));
-            }
-        });
-    </script>
-@endif
-
 @if (session('success'))
     <script>
         Swal.fire({