TaskFieldHandler::prepareMembers

public function prepareMembers(): self
{
	if (!$this->taskId)
	{
		if (
			!array_key_exists('CREATED_BY', $this->fields)
			|| $this->fields['CREATED_BY'] < 1
		)
		{
			throw new TaskFieldValidateException(Loc::getMessage('TASKS_BAD_CREATED_BY'));
		}

		if (!array_key_exists('RESPONSIBLE_ID', $this->fields))
		{
			throw new TaskFieldValidateException(Loc::getMessage('TASKS_BAD_RESPONSIBLE_ID'));
		}
	}
	elseif (
		array_key_exists('CREATED_BY', $this->fields)
		&& $this->fields['CREATED_BY'] < 1
	)
	{
		throw new TaskFieldValidateException(Loc::getMessage('TASKS_BAD_CREATED_BY'));
	}


	if (array_key_exists('RESPONSIBLE_ID', $this->fields))
	{
		$newResponsibleId = (int) $this->fields['RESPONSIBLE_ID'];

		$userResult = CUser::GetList(
			'id',
			'asc',
			['ID_EQUAL_EXACT' => $newResponsibleId],
			[
				'FIELDS' => ['ID'],
				'SELECT' => ['UF_DEPARTMENT'],
			]
		);
		$user = $userResult->Fetch();
		if (!$user)
		{
			throw new TaskFieldValidateException(Loc::getMessage('TASKS_BAD_RESPONSIBLE_ID_EX'));
		}

		$currentResponsible = 0;

		if ($this->taskId)
		{
			$task = (TaskRegistry::getInstance())->getObject($this->taskId);
			if (
				$task
				&& !$task->isDeleted()
			)
			{
				$currentResponsible = $task->getResponsibleId();
			}
		}

		// new task or responsible changed
		if (
			!$this->taskId
			|| ($currentResponsible && $currentResponsible !== $newResponsibleId)
		)
		{
			$subordinateDepartments = Department::getSubordinateIds(
				($this->fields['CREATED_BY'] ?? null),
				true
			);

			$userDepartment = $user['UF_DEPARTMENT'];
			$userDepartment = (is_array($userDepartment) ? $userDepartment : [$userDepartment]);

			$isSubordinate = (count(array_intersect($subordinateDepartments, $userDepartment)) > 0);

			if (
				!array_key_exists('STATUS', $this->fields)
				|| !$this->fields['STATUS']
			)
			{
				$this->fields['STATUS'] = Status::PENDING;
			}

			if (!$isSubordinate)
			{
				$this->fields['ADD_IN_REPORT'] = 'N';
			}

			$this->fields['DECLINE_REASON'] = false;
		}
	}

	$this->castMembers('ACCOMPLICES');
	$this->castMembers('AUDITORS');

	return $this;
}