nihonbuzz-academy/app/Filament/Resources/Lessons/LessonResource.php

<?php

namespace App\Filament\Resources\Lessons;

use App\Filament\Resources\Lessons\Pages\CreateLesson;
use App\Filament\Resources\Lessons\Pages\EditLesson;
use App\Filament\Resources\Lessons\Pages\ListLessons;
use App\Filament\Resources\Lessons\Schemas\LessonForm;
use App\Filament\Resources\Lessons\Tables\LessonsTable;
use App\Models\Lesson;
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 LessonResource extends Resource
{
    protected static ?string $model = Lesson::class;

    protected static string|BackedEnum|null $navigationIcon = 'heroicon-o-play-circle';

    protected static ?int $navigationSort = 3;

    protected static ?string $recordTitleAttribute = 'title';

    public static function form(Schema $schema): Schema
    {
        return $schema
            ->schema([
                Forms\Components\Select::make('module_id')
                    ->relationship('module', 'title')
                    ->searchable()
                    ->preload()
                    ->required(),
                Forms\Components\TextInput::make('title')
                    ->required()
                    ->maxLength(255)
                    ->live(onBlur: true)
                    ->afterStateUpdated(fn ($state, $set) => $set('slug', \Illuminate\Support\Str::slug($state))),
                Forms\Components\TextInput::make('slug')
                    ->required()
                    ->maxLength(255)
                    ->unique(ignoreRecord: true),
                Forms\Components\Select::make('type')
                    ->options([
                        'video' => 'Video',
                        'text' => 'Text',
                        'quiz' => 'Quiz',
                        'vocab_list' => 'Vocabulary List',
                    ])
                    ->default('text')
                    ->required(),
                Forms\Components\FileUpload::make('content_pdf')
                    ->label('Lesson PDF (Paid Content)')
                    ->disk('r2_private')
                    ->directory('pdfs')
                    ->visibility('private')
                    ->acceptedFileTypes(['application/pdf'])
                    ->downloadable()
                    ->columnSpanFull(),
                Forms\Components\RichEditor::make('content')
                    ->columnSpanFull(),
                Forms\Components\TextInput::make('video_url')
                    ->label('Video URL (YouTube/Vimeo)')
                    ->url(),
                Forms\Components\Toggle::make('is_free_preview')
                    ->label('Free Preview?')
                    ->default(false),
                Forms\Components\TextInput::make('order_index')
                    ->numeric()
                    ->default(0),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('title')
                    ->searchable(),
                Tables\Columns\TextColumn::make('module.title')
                    ->sortable(),
                Tables\Columns\TextColumn::make('type')
                    ->badge(),
                Tables\Columns\IconColumn::make('is_free_preview')
                    ->boolean(),
                Tables\Columns\TextColumn::make('created_at')
                    ->dateTime()
                    ->sortable()
                    ->toggleable(isToggledHiddenByDefault: true),
            ])
            ->defaultSort('order_index', 'asc');
    }

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

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

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