SpiceManagementSystem/app/Filament/User/Resources/SpiceResource.php

<?php

namespace App\Filament\User\Resources;

use App\Traits\EnforcesRoles;
use App\Filament\User\Resources\SpiceResource\Pages;
use App\Filament\User\Resources\SpiceResource\RelationManagers;
use App\Models\Spice;
use Filament\Forms;
use Filament\Forms\Form;
use Filament\Forms\Get;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Table;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\SoftDeletingScope;

class SpiceResource extends Resource
{
    use EnforcesRoles;
    protected static ?string $model = Spice::class;
    protected static ?string $navgationLabel = 'Rohstoffe';
    protected static ?string $modelLabel = 'Rohstoff';
    protected static ?string $slug = 'rohstoffe';
    protected static ?string $navigationGroup = 'Lager';

    public static function shouldRegisterNavigation(): bool
    {
        return auth()->user()?->hasRole('sms-admin') ?? false;
    }
    protected static ?string $navigationIcon = 'heroicon-o-cube';

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\TextInput::make('name')
                    ->required()
                    ->maxLength(255),
                Forms\Components\Select::make('unit')
                    ->label('Mengeneinheit')
                    ->native(false)
                    ->searchable()
                    ->live()
                    ->options([
                        'grams' => '(Kilo-)Gramm',
                        'pieces' => 'Stück',
                        'liter' => 'Liter',
                    ])
                    ->required(),
                Forms\Components\TextInput::make('piece_weight')
                    ->label('Ø Stückgewicht (g)')
                    ->numeric()
                    ->suffix('g')
                    ->required(fn (Get $get) => $get('unit') === 'pieces')
                    ->helperText('Wird als Fallback verwendet, wenn bei einer Lieferung kein Gesamtgewicht angegeben wird. Bei Lieferungen mit Gewichtsangabe wird dieser Wert automatisch als gleitender Durchschnitt aktualisiert.')
                    ->visible(fn (Get $get) => $get('unit') === 'pieces'),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('name')
                    ->searchable(),
                Tables\Columns\TextColumn::make('unit')
                    ->label('Einheit')
                    ->formatStateUsing(fn ($state) => match($state) {
                        'grams'  => '(Kilo-)Gramm',
                        'pieces' => 'Stück',
                        'liter'  => 'Liter',
                        default  => ucfirst($state),
                    }),
            ])
            ->filters([
                //
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
                Tables\Actions\DeleteAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ]);
    }

    public static function getRelations(): array
    {
        return [
            RelationManagers\StockMovementsRelationManager::class,
        ];
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListSpices::route('/'),
            'create' => Pages\CreateSpice::route('/create'),
            'view' => Pages\ViewSpice::route('/{record}'),
            'edit' => Pages\EditSpice::route('/{record}/edit'),
        ];
    }
    public static function getPluralLabel(): string
    {
        return 'Rohstoffe'; // Setze hier deinen eigenen Pluralbegriff ein
    }
}