services_core/app/Http/Requests/MenuGroup/UpdateMenuGroupRequest.php

<?php

namespace App\Http\Requests\MenuGroup;

use Illuminate\Contracts\Validation\ValidationRule;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

class UpdateMenuGroupRequest extends FormRequest
{
    public function authorize(): bool
    {
        return true;
    }

    /**
     * @return array<string, ValidationRule|array<mixed>|string>
     */
    public function rules(): array
    {
        $menuGroupId = $this->route('menu_group')?->id;
        $isMaster = $this->user()?->isMasterAdmin() ?? false;
        $tenantId = $isMaster
            ? ($this->exists('tenant_id')
                ? $this->input('tenant_id')
                : $this->route('menu_group')?->tenant_id)
            : $this->route('menu_group')?->tenant_id;

        return [
            'tenant_id' => [
                $isMaster ? 'nullable' : 'prohibited',
                'integer',
                'exists:tenants,id',
            ],
            'name' => [
                'required',
                'string',
                'max:100',
                Rule::unique('menu_groups', 'name')
                    ->where(fn ($query) => $tenantId
                        ? $query->where('tenant_id', $tenantId)
                        : $query->whereNull('tenant_id'))
                    ->ignore($menuGroupId),
            ],
            'description' => [
                'nullable',
                'string',
            ],
            'is_active' => [
                'nullable',
                'boolean',
            ],
        ];
    }

    protected function prepareForValidation(): void
    {
        $this->merge([
            'is_active' => filter_var(
                $this->is_active,
                FILTER_VALIDATE_BOOLEAN,
                FILTER_NULL_ON_FAILURE
            ),
        ]);
    }
}