nihonbuzz-academy/app/Filament/Resources/Courses/CourseResource.php

<?php

namespace App\Filament\Resources\Courses;

use App\Filament\Resources\Courses\Pages\CreateCourse;
use App\Filament\Resources\Courses\Pages\EditCourse;
use App\Filament\Resources\Courses\Pages\ListCourses;
use App\Filament\Resources\Courses\Schemas\CourseForm;
use App\Filament\Resources\Courses\Tables\CoursesTable;
use App\Models\Course;
use BackedEnum;
use Filament\Forms;
use Filament\Resources\Resource;
use Filament\Schemas\Schema;
use Filament\Support\Icons\Heroicon;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\SoftDeletingScope;

class CourseResource extends Resource
{
    protected static ?string $model = Course::class;

    protected static string|BackedEnum|null $navigationIcon = Heroicon::OutlinedRectangleStack;

    protected static ?int $navigationSort = 1;

    protected static ?string $recordTitleAttribute = 'title';

    public static function form(Schema $schema): Schema
    {
        return $schema
            ->schema([
                Forms\Components\TextInput::make('title')
                    ->required()
                    ->maxLength(255)
                    ->live(onBlur: true)
                    ->afterStateUpdated(fn ($state, $set) => $set('slug', \Illuminate\Support\Str::slug($state))),

                Forms\Components\TextInput::make('slug')
                    ->required()
                    ->maxLength(255)
                    ->unique(ignoreRecord: true),

                Forms\Components\RichEditor::make('description')
                    ->columnSpanFull(),

                Forms\Components\Select::make('level_id')
                    ->label('JLPT Level')
                    ->relationship('level', 'code')
                    ->searchable()
                    ->preload()
                    ->required(),

                Forms\Components\TextInput::make('price')
                    ->numeric()
                    ->prefix('IDR')
                    ->maxValue(42949672.95),

                Forms\Components\FileUpload::make('thumbnail_url')
                    ->label('Thumbnail Image')
                    ->image()
                    ->disk('r2')
                    ->directory('thumbnails')
                    ->visibility('public')
                    ->imageEditor(),
                
                Forms\Components\Select::make('teacher_id')
                    ->relationship('teacher', 'name')
                    ->searchable()
                    ->preload()
                    ->required(),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\ImageColumn::make('thumbnail_url')
                    ->disk('r2')
                    ->visibility('public'),
                Tables\Columns\TextColumn::make('title')
                    ->searchable(),
                Tables\Columns\TextColumn::make('level.code')
                    ->label('Level')
                    ->badge(),
                Tables\Columns\TextColumn::make('price')
                    ->money('IDR'),
                Tables\Columns\TextColumn::make('teacher.name')
                    ->sortable(),
                Tables\Columns\TextColumn::make('created_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
            ]);
    }

    public static function getRelations(): array
    {
        return [
            //
        ];
    }

    public static function getPages(): array
    {
        return [
            'index' => ListCourses::route('/'),
            'create' => CreateCourse::route('/create'),
            'edit' => EditCourse::route('/{record}/edit'),
        ];
    }

    public static function getRecordRouteBindingEloquentQuery(): Builder
    {
        return parent::getRecordRouteBindingEloquentQuery()
            ->withoutGlobalScopes([
                SoftDeletingScope::class,
            ]);
    }
}