Filament PHP

<?php

namespace App\Filament\Resources;

use App\Filament\Resources\ArticleResource\Pages;
use App\Models\Article;
use Filament\Forms;
use Filament\Resources\Resource;
use Filament\Tables;
use Illuminate\Database\Eloquent\Builder;

class ArticleResource extends Resource
{
    protected static ?string $model = Article::class;
    protected static ?string $navigationIcon = 'heroicon-o-document-text';

    public static function form(Forms\Form $form): Forms\Form
    {
        return $form->schema([
            Forms\Components\TextInput::make('title')
                ->required()
                ->maxLength(255)
                ->live(onBlur: true)
                ->afterStateUpdated(fn ($state, callable $set) => 
                    $set('slug', Str::slug($state))
                ),
            
            Forms\Components\TextInput::make('slug')
                ->required()
                ->unique(ignoreRecord: true),
            
            Forms\Components\Select::make('category_id')
                ->relationship('category', 'name')
                ->searchable()
                ->preload()
                ->createOptionForm([
                    Forms\Components\TextInput::make('name')->required(),
                ]),
            
            Forms\Components\RichEditor::make('content')
                ->required()
                ->columnSpanFull(),
            
            Forms\Components\FileUpload::make('featured_image')
                ->image()
                ->imageEditor()
                ->directory('articles'),
            
            Forms\Components\Toggle::make('is_published')
                ->default(false),
            
            Forms\Components\DateTimePicker::make('published_at')
                ->visible(fn (Forms\Get $get) => $get('is_published')),
        ]);
    }

    public static function table(Tables\Table $table): Tables\Table
    {
        return $table
            ->columns([
                Tables\Columns\ImageColumn::make('featured_image'),
                Tables\Columns\TextColumn::make('title')
                    ->searchable()
                    ->sortable(),
                Tables\Columns\TextColumn::make('category.name')
                    ->badge(),
                Tables\Columns\IconColumn::make('is_published')
                    ->boolean(),
                Tables\Columns\TextColumn::make('published_at')
                    ->dateTime()
                    ->sortable(),
            ])
            ->filters([
                Tables\Filters\SelectFilter::make('category')
                    ->relationship('category', 'name'),
                Tables\Filters\TernaryFilter::make('is_published'),
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
                Tables\Actions\Action::make('publish')
                    ->icon('heroicon-o-check-circle')
                    ->requiresConfirmation()
                    ->action(fn (Article $record) => 
                        $record->update(['is_published' => true])
                    )
                    ->visible(fn (Article $record) => !$record->is_published),
            ])
            ->bulkActions([
                Tables\Actions\DeleteBulkAction::make(),
                Tables\Actions\BulkAction::make('publish')
                    ->action(fn (Collection $records) => 
                        $records->each->update(['is_published' => true])
                    ),
            ]);
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListArticles::route('/'),
            'create' => Pages\CreateArticle::route('/create'),
            'edit' => Pages\EditArticle::route('/{record}/edit'),
        ];
    }
}