Call::saveStat

protected function saveStat()
{
	$callLength = 0;
	if ($this->startDate instanceof DateTime && $this->endDate instanceof DateTime)
	{
		$callLength = $this->endDate->getTimestamp() - $this->startDate->getTimestamp();
	}
	$userCountChat = count($this->users);

	$usersActive = 0;
	$mobileUsers = 0;
	$externalUsers = 0;
	$screenShared = false;
	$recorded = false;
	$authTypes = UserTable::getList([
		'select' => ['ID', 'EXTERNAL_AUTH_ID'],
		'filter' => ['=ID' => $this->getUsers()]
	])->fetchAll();
	$authTypes = array_column($authTypes, 'EXTERNAL_AUTH_ID', 'ID');
	foreach ($this->users as $userId => $user)
	{
		if ($user->getLastSeen() != null)
		{
			$usersActive++;
		}
		if ($user->isUaMobile())
		{
			$mobileUsers++;
		}
		if ($authTypes[$userId] === Auth::AUTH_TYPE)
		{
			$externalUsers++;
			if ($user->getFirstJoined())
			{
				$userLateness = $user->getFirstJoined()->getTimestamp() - $this->startDate->getTimestamp();
				AddEventToStatFile("im", "im_call_finish", $this->id, $userLateness, "user_lateness", $userId);
			}
		}
		if ($user->wasRecorded())
		{
			$recorded = true;
		}
		if ($user->wasRecorded())
		{
			$screenShared = true;
		}
	}

	$chatType = null;
	$finishStatus = 'normal';
	if ($this->entityType === EntityType::CHAT)
	{
		if(is_numeric($this->entityId))
		{
			$chatType = 'private';
			// private chat, entity id === other user id
			$otherUserState =
				$this->getUser($this->entityId)
					? $this->getUser($this->entityId)->getState()
					: ''
			;

			if ($otherUserState == CallUser::STATE_DECLINED)
			{
				$finishStatus = 'declined';
			}
			else if ($otherUserState == CallUser::STATE_BUSY)
			{
				$finishStatus = 'busy';
			}
			else if ($otherUserState == CallUser::STATE_UNAVAILABLE || $otherUserState == CallUser::STATE_CALLING)
			{
				$finishStatus = 'unavailable';
			}
		}
		else
		{
			$chatId = Dialog::getChatId($this->entityId);
			$isVideoConf = (bool)AliasTable::getRow([
				'filter' => ['=ENTITY_ID' => $chatId, '=ENTITY_TYPE' => BitrixImAlias::ENTITY_TYPE_VIDEOCONF]
			]);
			$chatType = 'group';
		}
	}

	if ($callLength > 30 && $finishStatus === 'normal')
	{
		BitrixImLimit::incrementCounter(BitrixImLimit::COUNTER_CALL_SUCCESS);
	}

	AddEventToStatFile("im", "im_call_finish", $this->id, $userCountChat, "user_count_chat", 0);
	AddEventToStatFile("im", "im_call_finish", $this->id, $usersActive, "user_count_call", 0);
	AddEventToStatFile("im", "im_call_finish", $this->id, $mobileUsers, "user_count_mobile", 0);
	AddEventToStatFile("im", "im_call_finish", $this->id, $externalUsers, "user_count_external", 0);
	AddEventToStatFile("im", "im_call_finish", $this->id, $callLength, "call_length", 0);
	AddEventToStatFile("im", "im_call_finish", $this->id, ($screenShared ? "Y" : "N"), "screen_shared", 0);
	AddEventToStatFile("im", "im_call_finish", $this->id, ($recorded ? "Y" : "N"), "recorded", 0);
	if($chatType)
	{
		AddEventToStatFile("im","im_call_finish", $this->id, $chatType, "chat_type", 0);
	}
	if (isset($isVideoConf))
	{
		AddEventToStatFile("im","im_call_finish", $this->id, ($isVideoConf ? "Y" : "N"), "is_videoconf", 0);
	}
	AddEventToStatFile("im","im_call_finish", $this->id, $finishStatus, "status", 0);
}