Converter::ufAddressConvertAction

public function ufAddressConvertAction($entityTypeId, $fieldName)
{
	$actionIndex = 1;
	$error = '';
	if(!EntityAuthorization::isAuthorized()
		|| !CCrmAuthorizationHelper::CheckConfigurationUpdatePermission())
	{
		$error = 'ERR_ACCESS_DENIED';
	}

	$entityTypeMap = [
		'CRM_COMPANY' => CCrmOwnerType::Company,
		'CRM_CONTACT' => CCrmOwnerType::Contact,
		'CRM_DEAL' => CCrmOwnerType::Deal,
		'CRM_LEAD' => CCrmOwnerType::Lead
	];

	if (!$error && (!is_string($entityTypeId) || $entityTypeId === '' || !isset($entityTypeMap[$entityTypeId])))
	{
		$error = 'ERR_ENTITY_TYPE';
	}

	if (!$error && !is_string($fieldName) || $fieldName === '')
	{
		$error = 'ERR_FIELD_NAME';
	}

	$res = CUserTypeEntity::GetList(
		[],
		[
			'ENTITY_ID' => $entityTypeId,
			'FIELD_NAME' => $fieldName,
			'USER_TYPE_ID' => 'address',
			'MULTIPLE' => 'N',
		]
	);
	$row = null;
	if (is_object($res))
	{
		$row = $res->Fetch();
	}
	if (!is_array($row))
	{
		$error = 'ERR_FIELD_NOT_FOUND';
	}
	unset($res, $row);

	if (!$error)
	{
		$sourceEntityTypeId = $entityTypeMap[$entityTypeId];
		$companyAgent = CompanyAddressConvertAgent::getInstance();
		$companyUfAgent = CompanyUfAddressConvertAgent::getInstance();
		$companyUfAgentReady = ($companyUfAgent->isEnabled() && !$companyUfAgent->isActive());
		$companyUfAgentAllowed = (!$companyAgent->isEnabled() && $companyUfAgentReady
			&& in_array($sourceEntityTypeId, $companyUfAgent->getAllowedEntityTypes(), true));
		$contactAgent = ContactAddressConvertAgent::getInstance();
		$contactUfAgent = ContactUfAddressConvertAgent::getInstance();
		$contactUfAgentReady = ($contactUfAgent->isEnabled() && !$contactUfAgent->isActive());
		$contactUfAgentAllowed = (!$contactAgent->isEnabled() && $contactUfAgentReady
			&& in_array($sourceEntityTypeId, $contactUfAgent->getAllowedEntityTypes(), true));
		$agentOptions = [
			'ALLOWED_ENTITY_TYPES' => [],
			'SOURCE_ENTITY_TYPE_ID' => $sourceEntityTypeId,
			'SOURCE_USER_FIELD_NAME' => $fieldName
		];
		if ($sourceEntityTypeId === CCrmOwnerType::Deal || $sourceEntityTypeId === CCrmOwnerType::Lead)
		{
			if ($companyUfAgentAllowed && $contactUfAgentAllowed)
			{
				$companyUfAgent->setAllowedEntityTypes();
				$contactUfAgent->setAllowedEntityTypes();
				$companyUfAgent->activate(5, $agentOptions);
				$contactUfAgent->activate(5, $agentOptions);
			}
			else
			{
				$error = 'ERR_CONVERTER_NOT_ALLOWED';
			}
		}
		else    // Company or Contact
		{
			switch($sourceEntityTypeId)
			{
				case CCrmOwnerType::Company:
					$agent = $companyUfAgent;
					$agentAllowed = $companyUfAgentAllowed;
					$altEntityTypeId = CCrmOwnerType::Contact;
					$altAgentReady = $contactUfAgentReady;
					$altAgent = $contactUfAgent;
					break;
				case CCrmOwnerType::Contact:
					$agent = $contactUfAgent;
					$agentAllowed = $contactUfAgentAllowed;
					$altEntityTypeId = CCrmOwnerType::Company;
					$altAgentReady = $companyUfAgentReady;
					$altAgent = $companyUfAgent;
					break;
			}
			if ($agentAllowed)
			{
				if ($altAgentReady)
				{
					$altAgent->setAllowedEntityTypes([$altEntityTypeId]);
				}
				$agent->activate(5, $agentOptions);
			}
			else
			{
				$error = 'ERR_CONVERTER_NOT_ALLOWED';
			}
		}
	}

	if ($error)
	{
		if (!is_array($error))
		{
			$error = [$error];
		}
		foreach ($error as $errorCode)
		{
			$this->addError(
				new Error(
					Loc::getMessage('CRM_CONTROLLER_REQUISITE_CONVERTER_'.$actionIndex.'_'.$errorCode),
					$errorCode
				)
			);
		}
		return null;
	}

	return true;
}