TenantAtlas/app/Filament/Pages/Tenancy/RegisterTenant.php

<?php

namespace App\Filament\Pages\Tenancy;

use App\Models\Tenant;
use App\Models\User;
use App\Support\TenantRole;
use Filament\Forms;
use Filament\Pages\Tenancy\RegisterTenant as BaseRegisterTenant;
use Filament\Schemas\Schema;
use Illuminate\Database\Eloquent\Model;

class RegisterTenant extends BaseRegisterTenant
{
    public static function getLabel(): string
    {
        return 'Register tenant';
    }

    public static function canView(): bool
    {
        return true;
    }

    public function form(Schema $schema): Schema
    {
        return $schema
            ->schema([
                Forms\Components\TextInput::make('name')
                    ->required()
                    ->maxLength(255),
                Forms\Components\Select::make('environment')
                    ->options([
                        'prod' => 'PROD',
                        'dev' => 'DEV',
                        'staging' => 'STAGING',
                        'other' => 'Other',
                    ])
                    ->default('other')
                    ->required(),
                Forms\Components\TextInput::make('tenant_id')
                    ->label('Tenant ID (GUID)')
                    ->required()
                    ->maxLength(255)
                    ->unique(ignoreRecord: true),
                Forms\Components\TextInput::make('domain')
                    ->label('Primary domain')
                    ->maxLength(255),
                Forms\Components\TextInput::make('app_client_id')
                    ->label('App Client ID')
                    ->maxLength(255),
                Forms\Components\TextInput::make('app_client_secret')
                    ->label('App Client Secret')
                    ->password()
                    ->dehydrateStateUsing(fn ($state) => filled($state) ? $state : null)
                    ->dehydrated(fn ($state) => filled($state)),
                Forms\Components\TextInput::make('app_certificate_thumbprint')
                    ->label('Certificate thumbprint')
                    ->maxLength(255),
                Forms\Components\Textarea::make('app_notes')
                    ->label('Notes')
                    ->rows(3),
            ]);
    }

    /**
     * @param  array<string, mixed>  $data
     */
    protected function handleRegistration(array $data): Model
    {
        $tenant = Tenant::create($data);

        $user = auth()->user();

        if ($user instanceof User) {
            $user->tenants()->syncWithoutDetaching([
                $tenant->getKey() => ['role' => TenantRole::Owner->value],
            ]);
        }

        return $tenant;
    }
}