CAllSocNetUserToGroup::Delete

static function Delete($id, $sendExclude = false)
{
	global $APPLICATION, $DB, $USER, $CACHE_MANAGER;

	if (!CSocNetGroup::__ValidateID($id))
	{
		return false;
	}

	$id = (int)$id;

	$relationFields = CSocNetUserToGroup::GetByID($id);
	if (!$relationFields)
	{
		$APPLICATION->ThrowException(Loc::getMessage('SONET_NO_USER2GROUP'), 'ERROR_NO_USER2GROUP');
		return false;
	}

	$res = GetModuleEvents("socialnetwork", "OnBeforeSocNetUserToGroupDelete");
	while ($eventFields = $res->Fetch())
	{
		if (ExecuteModuleEventEx($eventFields, array($id)) === false)
		{
			return false;
		}
	}

	$events = GetModuleEvents("socialnetwork", "OnSocNetUserToGroupDelete");
	while ($eventFields = $events->Fetch())
	{
		ExecuteModuleEventEx($eventFields, [ $id, $relationFields ]);
	}

	EventServiceService::addEvent(EventServiceEventDictionary::EVENT_WORKGROUP_USER_DELETE, [
		'GROUP_ID' => $relationFields['GROUP_ID'],
		'USER_ID' => $relationFields['USER_ID'],
	]);

	if (Loader::includeModule('im'))
	{
		CIMNotify::DeleteByTag("SOCNET|INVITE_GROUP|" . (int)$relationFields['USER_ID']  . "|" . (int)$id);
	}

	$bSuccess = $DB->Query("DELETE FROM b_sonet_user2group WHERE ID = ".$id."", true);

	CSocNetGroup::SetStat($relationFields["GROUP_ID"]);
	CSocNetSearch::OnUserRelationsChange($relationFields["USER_ID"]);

	$roleCacheKey = $relationFields['USER_ID'] . '_' . $relationFields['GROUP_ID'];
	if (isset(self::$roleCache[$roleCacheKey]))
	{
		unset(self::$roleCache[$roleCacheKey]);
	}

	if ($bSuccess && defined("BX_COMP_MANAGED_CACHE"))
	{
		$CACHE_MANAGER->ClearByTag("sonet_user2group_G".$relationFields["GROUP_ID"]);
		$CACHE_MANAGER->ClearByTag("sonet_user2group_U".$relationFields["USER_ID"]);
		$CACHE_MANAGER->ClearByTag("sonet_user2group");
	}

	if (
		$bSuccess
		&& in_array($relationFields['ROLE'], [
			UserToGroupTable::ROLE_MODERATOR,
			UserToGroupTable::ROLE_USER,
		], true)
	)
	{
		$chatNotificationResult = false;

		if (Loader::includeModule('im'))
		{
			$chatNotificationResult = UserToGroup::addInfoToChat([
				'group_id' => $relationFields["GROUP_ID"],
				'user_id' => $relationFields["USER_ID"],
				'action' => UserToGroup::CHAT_ACTION_OUT,
				'sendMessage' => $sendExclude,
			]);

			if ($sendExclude)
			{
				$arMessageFields = [
					"TO_USER_ID" => $relationFields["USER_ID"],
					"FROM_USER_ID" => 0,
					"NOTIFY_TYPE" => IM_NOTIFY_SYSTEM,
					"NOTIFY_MODULE" => "socialnetwork",
					"NOTIFY_EVENT" => "invite_group",
					"NOTIFY_TAG" => "SOCNET|INVITE_GROUP|" . (int)$relationFields["USER_ID"] . "|" . (int)$relationFields["ID"],
					"NOTIFY_MESSAGE" => str_replace(
						"#NAME#",
						$relationFields["GROUP_NAME"],
						Loc::getMessage('SONET_UG_EXCLUDE_MESSAGE')
					),
				];

				CIMNotify::Add($arMessageFields);
			}
		}

		if (
			$sendExclude
			&& !$chatNotificationResult
		)
		{
			CSocNetUserToGroup::notifyImToModerators([
				"TYPE" => "exclude",
				"RELATION_ID" => $relationFields["ID"],
				"USER_ID" => $relationFields["USER_ID"],
				"GROUP_ID" => $relationFields["GROUP_ID"],
				"GROUP_NAME" => $relationFields["GROUP_NAME"],
				"EXCLUDE_USERS" => array($USER->getId()),
			]);
		}
	}

	CounterCounterService::addEvent(CounterEventEventDictionary::EVENT_WORKGROUP_USER_DELETE, [
		'GROUP_ID' => (int)$relationFields['GROUP_ID'],
		'USER_ID' => (int)$relationFields['USER_ID'],
		'ROLE' => $relationFields['ROLE'],
		'INITIATED_BY_TYPE' => ($relationFields['INITIATED_BY_TYPE']),
		'RELATION_ID' => (int)$relationFields['ID'],
	]);

	return $bSuccess;
}