UStat::getActivityInfo

static function getActivityInfo()
{
	// real active users
	$allTodayActiveUsers = array();
	$result = UserDayTable::getList(array('filter' => array('=DAY' => ConvertTimeStamp(time(), "SHORT"))));
	while ($row = $result->fetch())
	{
		$allTodayActiveUsers[$row['USER_ID']] = true;
	}

	// absence data from calendar
	$allAbsenceData = CIntranetUtils::getAbsenceData(array(
		'DATE_START' => ConvertTimeStamp(mktime(0, 0, 0), 'FULL'), // current day start
		'DATE_FINISH' => ConvertTimeStamp(mktime(23, 59, 59), 'FULL'), // current day end
		'PER_USER' => true
	));

	// departments and its' employees
	$allDepartments = array();

	// userid -> true (working) | false (absent)
	$allUsers = array();

	$companyStructure = CIntranetUtils::getStructure();

	foreach ($companyStructure['DATA'] as $departmentData)
	{
		// base structure
		$department = array(
			'EMPLOYEES' => array_filter(array_unique(array_merge(
				$departmentData['EMPLOYEES'], array($departmentData['UF_HEAD'])
			))),
			'ACTIVE_USERS' => 0
		);

		foreach ($department['EMPLOYEES'] as $employeeId)
		{
			$allUsers[$employeeId]['DEPARTMENTS'][] = $departmentData['ID'];

			// skip absentee
			if (isset($allUsers[$employeeId]['ABSENT']) && $allUsers[$employeeId]['ABSENT'] === true)
			{
				continue;
			}

			if (!isset($allUsers[$employeeId]['ABSENT']) &&
				isset($allAbsenceData[$employeeId]) && static::checkTodayAbsence($allAbsenceData[$employeeId]))
			{
				// but only if they are really not active today
				if (!isset($allTodayActiveUsers[$employeeId]))
				{
					$allUsers[$employeeId]['ABSENT'] = true;
					continue;
				}
			}

			// remember supposed & really active users
			++$department['ACTIVE_USERS'];

			$allUsers[$employeeId]['ABSENT'] = false;

		}

		$allDepartments[$departmentData['ID']] = $department;
	}

	return array($allDepartments, $allUsers);
}