feat: Extract contact reply action into a dedicated class and add a reply status filter to the contact table.

app/Filament/Resources/Manage/Contacts/Actions/ReplyAction.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Filament\Resources\Manage\Contacts\Actions;
+
+use App\Filament\Support\CheerfulNotification;
+use App\Mail\ContactReplyMail;
+use App\Models\Contact;
+use Filament\Actions\Action;
+use Filament\Forms\Components\Textarea;
+use Filament\Support\Icons\Heroicon;
+use Illuminate\Support\Facades\Mail;
+
+class ReplyAction extends Action
+{
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->label('Balas')
+            ->icon(Heroicon::ChatBubbleLeftRight)
+            ->color('success')
+            ->modalHeading('Balas Pesan Kontak')
+            ->modalDescription('Pesan balasan tidak bisa diubah setelah dikirim.')
+            ->schema([
+                Textarea::make('reply_message')
+                    ->label('Pesan Balasan')
+                    ->placeholder(fn (Contact $record): string => "Halo {$record->name}, ...")
+                    ->required()
+                    ->rows(5)
+                    ->autocomplete(false)
+                    ->autofocus(),
+            ])
+            ->action(function (Contact $record, array $data): void {
+                Mail::to($record->email)->send(new ContactReplyMail($record, $data['reply_message']));
+
+                $record->update([
+                    'reply_message' => $data['reply_message'],
+                    'replied_at' => now(),
+                    'replied_by' => auth()->id(),
+                ]);
+
+                CheerfulNotification::success(
+                    'Balasan Terkirim! 🚀✉️',
+                    'Pesan balasan Anda sudah meluncur ke email pengirim. Semoga membantu mereka ya! 😊'
+                )->send();
+            })
+            ->visible(fn (Contact $record): bool => $record->replied_at === null);
+    }
+}

app/Filament/Resources/Manage/Contacts/ContactResource.php

@@ -4,15 +4,12 @@
 
 use App\Filament\Actions\Cheerful\DeleteAction;
 use App\Filament\Actions\DefaultBulkActions;
+use App\Filament\Resources\Manage\Contacts\Actions\ReplyAction;
 use App\Filament\Resources\Manage\Contacts\Pages\ManageContacts;
-use App\Filament\Support\CheerfulNotification;
-use App\Mail\ContactReplyMail;
 use App\Models\Contact;
 use BackedEnum;
-use Filament\Actions\Action;
 use Filament\Actions\BulkActionGroup;
 use Filament\Actions\ViewAction;
-use Filament\Forms\Components\Textarea;
 use Filament\Infolists\Components\TextEntry;
 use Filament\Resources\Resource;
 use Filament\Schemas\Components\Grid;
@@ -21,8 +18,8 @@
 use Filament\Support\Icons\Heroicon;
 use Filament\Tables\Columns\IconColumn;
 use Filament\Tables\Columns\TextColumn;
+use Filament\Tables\Filters\TernaryFilter;
 use Filament\Tables\Table;
-use Illuminate\Support\Facades\Mail;
 use UnitEnum;
 
 class ContactResource extends Resource
@@ -48,14 +45,6 @@ public static function getNavigationBadge(): ?string
         return static::getModel()::where('replied_at', null)->count();
     }
 
-    public static function form(Schema $schema): Schema
-    {
-        return $schema
-            ->components([
-                // Form usually not needed as we use View/Reply
-            ]);
-    }
-
     public static function infolist(Schema $schema): Schema
     {
         return $schema
@@ -142,42 +131,22 @@ public static function table(Table $table): Table
                     ->sortable(),
             ])
             ->filters([
-                //
+                TernaryFilter::make('replied_at')
+                    ->label('Status Balasan')
+                    ->placeholder('Semua Pesan')
+                    ->trueLabel('Sudah Dibalas')
+                    ->falseLabel('Belum Dibalas')
+                    ->queries(
+                        true: fn ($query) => $query->whereNotNull('replied_at'),
+                        false: fn ($query) => $query->whereNull('replied_at'),
+                    )
+                    ->native(false),
             ])
             ->recordActions([
                 ViewAction::make()
                     ->label('Lihat'),
 
-                Action::make('reply')
+                ReplyAction::make('reply'),
-                    ->label('Balas')
-                    ->icon(Heroicon::ChatBubbleLeftRight)
-                    ->color('success')
-                    ->modalHeading('Balas Pesan Kontak')
-                    ->modalDescription('Pesan balasan tidak bisa diubah setelah dikirim.')
-                    ->schema([
-                        Textarea::make('reply_message')
-                            ->label('Pesan Balasan')
-                            ->placeholder(fn (Contact $record): string => "Halo {$record->name}, ...")
-                            ->required()
-                            ->rows(5)
-                            ->autocomplete(false)
-                            ->autofocus(),
-                    ])
-                    ->action(function (Contact $record, array $data): void {
-                        Mail::to($record->email)->send(new ContactReplyMail($record, $data['reply_message']));
-
-                        $record->update([
-                            'reply_message' => $data['reply_message'],
-                            'replied_at' => now(),
-                            'replied_by' => auth()->id(),
-                        ]);
-
-                        CheerfulNotification::success(
-                            'Balasan Terkirim! 🚀✉️',
-                            'Pesan balasan Anda sudah meluncur ke email pengirim. Semoga membantu mereka ya! 😊'
-                        )->send();
-                    })
-                    ->visible(fn (Contact $record): bool => $record->replied_at === null),
 
                 DeleteAction::make()
                     ->label('Hapus'),
@@ -190,8 +159,7 @@ public static function table(Table $table): Table
             ->emptyStateIcon(Heroicon::Envelope)
             ->emptyStateDescription('Belum ada kontak atau pesan masuk.')
             ->defaultSort('created_at', 'desc')
-            ->deferFilters(false)
+            ->deferFilters(false);
-            ->reorderable('sort_order');
     }
 
     public static function getPages(): array