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<?php
namespace Bitrix\Main\UserField;
use Bitrix\Main\Config\Configuration;
use Bitrix\Main\Engine\CurrentUser;
use Bitrix\Main\Loader;
use Bitrix\Main\ObjectNotFoundException;
use Bitrix\Main\UserFieldTable;
abstract class UserFieldAccess
{
public const SETTINGS_USER_FIELD_KEY = 'userField';
public const SETTINGS_ACCESS_CLASS_KEY = 'access';
protected $userId;
public function __construct(int $userId = null)
{
if($userId === null)
{
$userId = $this->getDefaultUserId();
}
$this->userId = $userId;
}
public static function getInstance(string $moduleId, int $userId = null): UserFieldAccess
{
$configuration = Configuration::getInstance($moduleId);
$value = $configuration->get(static::SETTINGS_USER_FIELD_KEY);
if(
is_array($value)
&& isset($value[static::SETTINGS_ACCESS_CLASS_KEY])
&& Loader::includeModule($moduleId)
&& is_a($value[static::SETTINGS_ACCESS_CLASS_KEY], self::class, true))
{
return new $value[static::SETTINGS_ACCESS_CLASS_KEY]($userId);
}
throw new ObjectNotFoundException('No settings for UserFieldAccess');
}
protected function getDefaultUserId(): int
{
global $USER;
if($USER instanceof \CUser)
{
return (int) CurrentUser::get()->getId();
}
return 0;
}
public function setUserId(int $userId): UserFieldAccess
{
$this->userId = $userId;
return $this;
}
public function getUserId(): int
{
return $this->userId;
}
abstract protected function getAvailableEntityIds(): array;
public function getRestrictedTypes(): array
{
return [
'resourcebooking', // available in crm only
'mail_message', // no way to edit
'hlblock', // the field is not implemented yet
];
}
public function canReadWithFilter(array $filter): bool
{
return is_array($this->prepareFilter($filter));
}
public function prepareFilter(array $filter = []): ?array
{
$filterEntityIds = [];
foreach($filter as $name => $value)
{
if(mb_strpos($name, 'ENTITY_ID') !== false)
{
if($name === 'ENTITY_ID')
{
if(is_array($value))
{
$filterEntityIds = $value;
}
else
{
$filterEntityIds = [$value];
}
}
unset($filter[$name]);
}
}
$availableEntityIds = $this->getAvailableEntityIds();
if(empty($filterEntityIds))
{
$filterEntityIds = $availableEntityIds;
}
else
{
foreach($filterEntityIds as $key => $entityId)
{
if(!in_array($entityId, $availableEntityIds, true))
{
unset($filterEntityIds[$key]);
}
}
}
if(empty($filterEntityIds))
{
return null;
}
$filter['ENTITY_ID'] = $filterEntityIds;
return $filter;
}
public function canRead(int $id): bool
{
$filter = $this->prepareFilter([
'=ID' => $id,
]);
if(empty($filter))
{
return false;
}
return (UserFieldTable::getCount($filter) > 0);
}
public function canAdd(array $field): bool
{
$availableEntityIds = $this->getAvailableEntityIds();
return (isset($field['ENTITY_ID']) && in_array($field['ENTITY_ID'], $availableEntityIds, true));
}
public function canUpdate(int $id): bool
{
return $this->canRead($id);
}
public function canDelete(int $id): bool
{
return $this->canUpdate($id);
}
}