CIMEvent::OnUserDelete

static function OnUserDelete($ID)
{
	$ID = intval($ID);
	if ($ID <= 0)
	{
		return false;
	}

	global $DB;

	$isRecentExists = BitrixImModelRecentTable::getList([
		'filter' => [
			'=ITEM_TYPE' => IM_MESSAGE_PRIVATE,
			'=ITEM_ID' => $ID,
		]
	])->fetch();

	$arChat = [];
	$strSQL = "
		SELECT R.CHAT_ID
		FROM b_im_chat C, b_im_relation R
		WHERE R.USER_ID = ".$ID." and R.MESSAGE_TYPE IN ('".IM_MESSAGE_PRIVATE."', '".IM_MESSAGE_SYSTEM."') and R.CHAT_ID = C.ID
	";
	$dbRes = $DB->Query($strSQL, true, "File: ".__FILE__."
Line: ".__LINE__);
	while ($arRes = $dbRes->Fetch())
	{
		$arChat[$arRes['CHAT_ID']] = $arRes['CHAT_ID'];
	}

	$accessProvider = new BitrixImAccessChatAuthProvider;
	$accessProvider->deleteByUser($ID);

	if (count($arChat) > 0)
	{
		$strSQL = "DELETE FROM b_im_chat WHERE ID IN (".implode(',', $arChat).")";
		$DB->Query($strSQL, true, "File: ".__FILE__."
Line: ".__LINE__);

		$strSQL = "DELETE FROM b_im_message WHERE CHAT_ID IN (".implode(',', $arChat).")";
		$DB->Query($strSQL, true, "File: ".__FILE__."
Line: ".__LINE__);

		$strSQL = "DELETE FROM b_im_relation WHERE CHAT_ID IN (".implode(',', $arChat).")";
		$DB->Query($strSQL, true, "File: ".__FILE__."
Line: ".__LINE__);

		IMV2LinkUrlUrlCollection::deleteByChatsIds($arChat);
		foreach ($arChat as $id)
		{
			IMV2Chat::cleanCache((int)$id);
		}
	}
	else
	{
		$strSQL = "DELETE FROM b_im_message WHERE AUTHOR_ID = ".$ID;
		$DB->Query($strSQL, true, "File: ".__FILE__."
Line: ".__LINE__);

		$strSQL = "DELETE FROM b_im_relation WHERE USER_ID =".$ID;
		$DB->Query($strSQL, true, "File: ".__FILE__."
Line: ".__LINE__);

		IMV2LinkUrlUrlCollection::deleteByAuthorsIds([$ID]);
	}

	BitrixImBot::unRegister(['BOT_ID' => $ID]);

	$strSQL = "DELETE FROM b_im_recent WHERE USER_ID = ".$ID;
	$DB->Query($strSQL, true, "File: ".__FILE__."
Line: ".__LINE__);

	$strSQL = "DELETE FROM b_im_recent WHERE ITEM_TYPE = '".IM_MESSAGE_PRIVATE."' AND ITEM_ID = ".$ID;
	$DB->Query($strSQL, true, "File: ".__FILE__."
Line: ".__LINE__);

	$strSQL = "DELETE FROM b_im_status WHERE USER_ID = ".$ID;
	$DB->Query($strSQL, true, "File: ".__FILE__."
Line: ".__LINE__);

	$strSQL = "DELETE FROM b_im_recent WHERE ITEM_TYPE = '".IM_MESSAGE_PRIVATE."' and ITEM_ID = ".$ID;
	$DB->Query($strSQL, true, "File: ".__FILE__."
Line: ".__LINE__);

	if ($isRecentExists && CModule::IncludeModule('pull'))
	{
		$users = BitrixImHelper::getOnlineIntranetUsers();

		BitrixPullEvent::add($users, [
			'module_id' => 'im',
			'command' => 'chatHide',
			'expiry' => 3600,
			'params' => [
				'dialogId' => $ID
			],
			'extra' => BitrixImCommon::getPullExtra()
		]);
	}

	return true;
}