CIMConvert::RecentList

static function RecentList()
{
	global $DB, $USER;

	$arRecent = CUserOptions::GetOption('im', 'recentList2', null);
	if (is_null($arRecent))
	{
		$arResult = CUserOptions::GetOption('im', 'recentList', null);
		if (!is_null($arResult))
		{
			unset($arResult[$GLOBALS['USER']->GetID()]);
			foreach ($arResult as $key => $value)
				$arRecent[IM_MESSAGE_PRIVATE][$key] = $value;
		}
		else
		{
			$arRecent = Array();
		}
	}
	if (!empty($arRecent))
	{
		if (isset($arRecent[IM_MESSAGE_PRIVATE]) && !empty($arRecent[IM_MESSAGE_PRIVATE]))
		{
			$arUsers = Array();
			$arInsert = Array();
			$CIMMessage = new CIMMessage(false, array(
				'HIDE_LINK' => 'Y'
			));
			$arMessages = $CIMMessage->GetLastSendMessage(Array(
				'TO_USER_ID' => array_keys($arRecent[IM_MESSAGE_PRIVATE]),
				'ORDER' => 'ASC',
				'LIMIT' => 30,
				'USE_TIME_ZONE' => 'N'
			));
			foreach ($arMessages as $userId => $arMessage)
			{
				$arUsers[] = $userId;
				$arInsert[$userId] = Array(
					'USER_ID' => $USER->GetId(),
					'ITEM_TYPE' => IM_MESSAGE_PRIVATE,
					'ITEM_ID' => $userId,
					'ITEM_MID' => $arMessage['id'],
				);
			}
			if (!empty($arUsers))
			{
				$strSql = "SELECT ITEM_ID FROM b_im_recent WHERE USER_ID = ".$USER->GetId()." AND ITEM_TYPE = '".IM_MESSAGE_PRIVATE."' AND ITEM_ID IN (".implode(',', $arUsers).")";
				$dbRes = $DB->Query($strSql, false, "File: ".__FILE__."
Line: ".__LINE__);
				while ($arRes = $dbRes->Fetch())
					unset($arInsert[$arRes['ITEM_ID']]);
			}

			foreach ($arInsert as $arAdd)
				$DB->Add('b_im_recent', $arAdd);
		}

		$massageType = null;
		if(isset($arRecent[IM_MESSAGE_CHAT]) && !empty($arRecent[IM_MESSAGE_CHAT]))
			$massageType = IM_MESSAGE_CHAT;
		elseif(isset($arRecent[IM_MESSAGE_OPEN_LINE]) && !empty($arRecent[IM_MESSAGE_OPEN_LINE]))
			$massageType = IM_MESSAGE_OPEN_LINE;

		if (!empty($massageType))
		{
			$arChats = Array();
			$arInsert = Array();

			$CIMChat = new CIMChat(false, array(
				'HIDE_LINK' => 'Y'
			));
			$arMessagesGroup = $CIMChat->GetLastSendMessage(Array(
				'ID' => array_keys($arRecent[$massageType]),
				'ORDER' => 'ASC',
				'LIMIT' => 30,
				'USE_TIME_ZONE' => 'N'
			));
			foreach ($arMessagesGroup as $chatId => $arMessage)
			{
				$arChats[] = $chatId;
				$arInsert[$chatId] = Array(
					'USER_ID' => $USER->GetId(),
					'ITEM_TYPE' => $massageType,
					'ITEM_ID' => $chatId,
					'ITEM_MID' => $arMessage['id'],
				);
			}

			if (!empty($arChats))
			{
				$strSql = "
					SELECT
						ITEM_ID
					FROM
						b_im_recent
					WHERE
						USER_ID = ".$USER->GetId()."
						AND ITEM_TYPE = '".$massageType."'
						AND ITEM_ID IN (".implode(',', $arChats).")
				";
				$dbRes = $DB->Query($strSql, false, "File: ".__FILE__."
Line: ".__LINE__);
				while ($arRes = $dbRes->Fetch())
					unset($arInsert[$arRes['ITEM_ID']]);
			}

			foreach ($arInsert as $arAdd)
				$DB->Add('b_im_recent', $arAdd);
		}
		CUserOptions::SetOption('im', 'recentList2', Array());
	}
	else
	{
		CUserOptions::SetOption('im', 'recentList2', Array());
	}

	return true;
}