topnotch_website/app/Filament/Resources/CustomerResource.php

<?php

namespace App\Filament\Resources;

use App\Filament\Resources\CustomerResource\Pages;
use App\Filament\Resources\CustomerResource\RelationManagers\ContactsRelationManager;
use App\Filament\Resources\CustomerResource\RelationManagers\ShippingEntriesRelationManager;
use App\Models\Customer;
use Filament\Forms\Components\Section;
use Filament\Forms\Components\TextInput;
use Filament\Forms\Form;
use Filament\Resources\Resource;
use Filament\Tables;
use Filament\Tables\Columns\TextColumn;
use Filament\Tables\Table;

class CustomerResource extends Resource
{
    protected static ?string $model = Customer::class;

    protected static ?string $navigationIcon = 'heroicon-o-building-office';

    protected static ?string $navigationGroup = 'Management';

    protected static ?int $navigationSort = 1;

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Section::make([
                    TextInput::make('company_name'),
                    TextInput::make('phone'),
                    TextInput::make('shipping_address'),
                    TextInput::make('billing_address'),
                ])->columns(2),
            ]);
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                TextColumn::make('company_name'),
                TextColumn::make('shipping_address'),
                TextColumn::make('phone'),
            ])
            ->filters([
                //
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ]);
    }

    public static function getRelations(): array
    {
        return [
            //            RelationGroup::make('Relations', [
            ContactsRelationManager::class,
            ShippingEntriesRelationManager::class,
            //            ]),
        ];
    }

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