fuel-price/app/Filament/Resources/UserResource.php

<?php

namespace App\Filament\Resources;

use App\Filament\NavigationGroup;
use App\Filament\Resources\UserResource\Pages\EditUser;
use App\Filament\Resources\UserResource\Pages\ListUsers;
use App\Models\User;
use Filament\Actions\DeleteAction;
use Filament\Actions\EditAction;
use Filament\Forms\Components\TextInput;
use Filament\Forms\Components\Toggle;
use Filament\Resources\Resource;
use Filament\Schemas\Schema;
use Filament\Tables\Columns\IconColumn;
use Filament\Tables\Columns\TextColumn;
use Filament\Tables\Filters\TernaryFilter;
use Filament\Tables\Table;

class UserResource extends Resource
{
    protected static ?string $model = User::class;

    protected static string|\UnitEnum|null $navigationGroup = NavigationGroup::Users;

    protected static ?int $navigationSort = 1;

    public static function form(Schema $schema): Schema
    {
        return $schema->components([
            Toggle::make('is_admin')
                ->label('Admin')
                ->helperText('Grants access to this admin panel.'),
            TextInput::make('postcode')
                ->label('Postcode')
                ->maxLength(8),
        ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                TextColumn::make('name')->searchable()->sortable(),
                TextColumn::make('email')->searchable()->sortable(),
                TextColumn::make('postcode')->placeholder('—'),
                IconColumn::make('is_admin')
                    ->label('Admin')
                    ->boolean(),
                TextColumn::make('created_at')
                    ->dateTime('d M Y')
                    ->sortable(),
            ])
            ->defaultSort('created_at', 'desc')
            ->filters([
                TernaryFilter::make('is_admin')
                    ->label('Admins only'),
            ])
            ->recordActions([
                EditAction::make(),
                DeleteAction::make(),
            ]);
    }

    public static function getPages(): array
    {
        return [
            'index' => ListUsers::route('/'),
            'edit' => EditUser::route('/{record}/edit'),
        ];
    }
}