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<?php
namespace Bitrix\Calendar\Sync;
use Bitrix\Main\Type;
use \Bitrix\Calendar\PushTable;
final class GoogleApiPush
{
const RENEW_LIMIT = 3;
const CREATE_LIMIT = 2;
const PROCESS_LIMIT = 4;
const CLEAR_LIMIT = 6;
/**
* Checks connection and ability to create push channel
* Recommended agent interval = 4h
*/
public static function renewWatchChannels()
{
global $DB;
$result = $DB->query("SELECT * FROM b_calendar_push WHERE " .
\CDatabaseMysql::dateFormatToDB(FORMAT_DATETIME, 'EXPIRES') .
" <= '" .
\Bitrix\Main\Type\DateTime::createFromTimestamp(strtotime('+1 day')) .
"' ORDER BY EXPIRES ASC LIMIT " . self::RENEW_LIMIT);
$pushRows = array();
$connectionIds = array();
$sectionIds = array();
while ($row = $result->fetch())
{
$pushRows[] = $row;
if ($row['ENTITY_TYPE'] == 'CONNECTION')
{
$connectionIds[] = $row['ENTITY_ID'];
}
if ($row['ENTITY_TYPE'] == 'SECTION')
{
$sectionIds[] = $row['ENTITY_ID'];
}
}
if (!empty($pushRows))
{
global $DB;
$sections = array();
$connections = array();
if (!empty($sectionIds))
{
$sectionResult = $DB->query("SELECT * FROM b_calendar_section WHERE ID IN (" . implode(',', $sectionIds) . ")");
while($row = $sectionResult->fetch())
{
$sections[$row['ID']] = $row;
}
}
if (!empty($connectionIds))
{
$connectionResult = $DB->query("SELECT * FROM b_dav_connections WHERE ID IN (" . implode(',', $connectionIds) . ")");
while($row = $connectionResult->fetch())
{
$connections[$row['ID']] = $row;
}
}
foreach ($pushRows as $row)
{
if ($row['ENTITY_TYPE'] == 'CONNECTION' && !empty($connections[$row['ENTITY_ID']]))
{
$connectionData = $connections[$row['ENTITY_ID']];
$googleApiConnection = new GoogleApiSync($connectionData['ENTITY_ID']);
$channelInfo = $googleApiConnection->startWatchCalendarList($connectionData['NAME']);
}
elseif ($row['ENTITY_TYPE'] == 'SECTION' && !empty($sections[$row['ENTITY_ID']]))
{
$section = $sections[$row['ENTITY_ID']];
$googleApiConnection = new GoogleApiSync($section['OWNER_ID']);
$channelInfo = $googleApiConnection->startWatchEventsChannel($section['GAPI_CALENDAR_ID']);
}
else
{
continue;
}
$googleApiConnection->stopChannel($row['CHANNEL_ID'], $row['RESOURCE_ID']);
PushTable::delete(array('ENTITY_TYPE' => $row['ENTITY_TYPE'], 'ENTITY_ID' => $row['ENTITY_ID']));
if ($channelInfo)
{
PushTable::add(array(
'ENTITY_TYPE' => $row['ENTITY_TYPE'],
'ENTITY_ID' => $row['ENTITY_ID'],
'CHANNEL_ID' => $channelInfo['id'],
'RESOURCE_ID' => $channelInfo['resourceId'],
'EXPIRES' => $channelInfo['expiration'],
'NOT_PROCESSED' => 'N'
));
}
}
}
if (count($pushRows) < 4)
{
$result = PushTable::getList(array(
'order' => array('EXPIRES' => 'ASC'),
'limit' => 1
));
$row = $result->fetch();
if ($row)
{
$nextAgentDate = \Bitrix\Main\Type\DateTime::createFromTimestamp(strtotime($row['EXPIRES']) - (60*60*20))->format(\Bitrix\Main\Type\Date::convertFormatToPhp(FORMAT_DATETIME));
}
else
{
$nextAgentDate = \Bitrix\Main\Type\DateTime::createFromTimestamp(strtotime('now') + (60*60*20))->format(\Bitrix\Main\Type\Date::convertFormatToPhp(FORMAT_DATETIME));
}
\CAgent::removeAgent("\\Bitrix\\Calendar\\Sync\\GoogleApiPush::renewWatchChannels();", "calendar");
\CAgent::addAgent("\\Bitrix\\Calendar\\Sync\\GoogleApiPush::renewWatchChannels();", "calendar", "N", 900,"", "Y", $nextAgentDate);
return false;
}
return "\\Bitrix\\Calendar\\Sync\\GoogleApiPush::renewWatchChannels();";
}
public static function checkSectionsPush($localSections, $userId)
{
$googleApiConnection = new GoogleApiSync($userId);
//Create new channels and refresh old push channels for sections of current connection
$sectionIds = array();
foreach ($localSections as $section)
{
//Skip virtual calendars, because they are not pushable.
if (preg_match('/(holiday.calendar.google.com)/', $section['GAPI_CALENDAR_ID']) ||
preg_match('/(group.v.calendar.google.com)/', $section['GAPI_CALENDAR_ID']) ||
preg_match('/(@virtual)/', $section['GAPI_CALENDAR_ID']))
continue;
$sectionIds[] = $section['ID'];
}
$sectionsIn = implode(',', $sectionIds);
$pushChannels = PushTable::getList(array(
'filter' => array('=ENTITY_TYPE' => 'SECTION', '@ IN (' . $sectionsIn . ')'),
));
$inactiveSections = array_flip($sectionIds);
while($row = $pushChannels->fetch())
{
$diff = strtotime($row['EXPIRES']) - strtotime('now');
if ($diff > GoogleApiSync::ONE_DAY)
{
unset($inactiveSections[$row['ENTITY_ID']]);
continue;
}
$googleApiConnection->stopChannel($row['CHANNEL_ID'], $row['RESOURCE_ID']);
$localCalendarIndex = array_search($row['ENTITY_ID'], array_column($localSections, 'ID'));
if ($localCalendarIndex !== false)
{
$channelInfo = $googleApiConnection->startWatchCalendarList($localSections[$localCalendarIndex]['GAPI_CALENDAR_ID']);
if ($channelInfo)
{
PushTable::update(
array(
'ENTITY_TYPE' => $row['ENTITY_TYPE'],
'ENTITY_ID' => $row['ENTITY_ID']
),
array(
'CHANNEL_ID' => $channelInfo['id'],
'RESOURCE_ID' => $channelInfo['resourceId'],
'EXPIRES' => $channelInfo['expiration'],
'NOT_PROCESSED' => 'N'
)
);
continue;
}
}
//If we can't create channel or section deleted - we should remove it from sync channels.
//It will be recreated at daily agent, if possible.
PushTable::delete(array('ENTITY_TYPE' => $row['ENTITY_TYPE'], 'ENTITY_ID' => $row['ENTITY_ID']));
unset($inactiveSections[$row['ENTITY_ID']]);
}
foreach ($localSections as $section)
{
if (isset($inactiveSections[$section['ID']]))
{
$channelInfo = $googleApiConnection->startWatchEventsChannel($section['GAPI_CALENDAR_ID']);
if ($channelInfo && isset($channelInfo['id'], $channelInfo['resourceId']))
{
PushTable::delete(array("ENTITY_TYPE" => 'SECTION', 'ENTITY_ID' => $section['ID']));
PushTable::add(array(
'ENTITY_TYPE' => 'SECTION',
'ENTITY_ID' => $section['ID'],
'CHANNEL_ID' => $channelInfo['id'],
'RESOURCE_ID' => $channelInfo['resourceId'],
'EXPIRES' => $channelInfo['expiration'],
'NOT_PROCESSED' => 'N'
));
}
}
}
}
/**
* Creates and renew watch channels for connections
* Recommended interval = 1 hour, for push enable - recommended interval 3 minutes
*
* @param int $start
* @return string
*/
public static function createWatchChannels($start = 0)
{
$pushOptionEnabled = \COption::getOptionString('calendar', 'sync_by_push', false);
if (!$pushOptionEnabled && !\CCalendar::isBitrix24())
{
return null;
}
$lastId = $start;
\Bitrix\Main\Loader::includeModule('dav');
$davConnections = \CDavConnection::getList(
array("ID" => "ASC"),
array(
'ACCOUNT_TYPE' => 'google_api_oauth',
'>ID' => $start
),
false,
array('nTopCount' => self::CREATE_LIMIT)
);
$connections = array();
$pushConnectionIds = array();
while($row = $davConnections->fetch())
{
$lastId = $row['ID'];
$connections[] = $row;
$pushConnectionIds[] = $row['ID'];
}
if (!empty($connections))
{
$result = PushTable::getList(array(
'filter' => array(
'=ENTITY_TYPE' => 'CONNECTION',
'=ENTITY_ID' => '@ IN (' . implode(',', $pushConnectionIds) . ')'
),
));
$pushChannels = array();
while($row = $result->fetch())
{
$pushChannels[$row['ENTITY_ID']] = $row;
}
foreach($connections as $davConnection)
{
$googleApiConnection = new GoogleApiSync($davConnection['ENTITY_ID']);
if (empty($pushChannels[$davConnection['ID']]))
{
$channelInfo = $googleApiConnection->startWatchCalendarList($connections['NAME']);
if ($channelInfo && isset($channelInfo['id'], $channelInfo['resourceId']))
{
PushTable::delete(array("ENTITY_TYPE" => 'CONNECTION', 'ENTITY_ID' => $davConnection['ID']));
PushTable::add(array(
'ENTITY_TYPE' => 'CONNECTION',
'ENTITY_ID' => $davConnection['ID'],
'CHANNEL_ID' => $channelInfo['id'],
'RESOURCE_ID' => $channelInfo['resourceId'],
'EXPIRES' => $channelInfo['expiration'],
'NOT_PROCESSED' => 'N'
));
}
}
unset($googleApiConnection);
}
}
if ($lastId == $start)
{
\CAgent::removeAgent("\\Bitrix\\Calendar\\Sync\\GoogleApiPush::createWatchChannels(" . $start . ");", "calendar");
\CAgent::removeAgent("\\Bitrix\\Calendar\\Sync\\GoogleApiPush::createWatchChannels(0);", "calendar");
\CAgent::addAgent("\\Bitrix\\Calendar\\Sync\\GoogleApiPush::createWatchChannels(0);", "calendar", "N", 3600, "", "Y", Type\DateTime::createFromTimestamp(strtotime('+1 hour'))->format(Type\Date::convertFormatToPhp(FORMAT_DATETIME)));
return null;
}
else
{
return "\\Bitrix\\Calendar\\Sync\\GoogleApiPush::createWatchChannels(" . $lastId . ");";
}
}
public static function stopChannel($row = array(), $ownerId = 0)
{
if ($row)
{
if ($row['ENTITY_TYPE'] == 'CONNECTION')
{
if ($ownerId == 0)
{
$connectionData = \CDavConnection::getById($row['ENTITY_ID']);
$ownerId = $connectionData['ENTITY_ID'];
}
if ($ownerId > 0)
{
$googleApiConnection = new GoogleApiSync($ownerId);
$googleApiConnection->stopChannel($row['CHANNEL_ID'], $row['RESOURCE_ID']);
}
}
elseif ($row['ENTITY_TYPE'] == 'SECTION')
{
if ($ownerId == 0)
{
$section = \CCalendarSect::getById($row['ENTITY_ID']);
$ownerId = $section['OWNER_ID'];
}
if ($ownerId > 0)
{
$googleApiConnection = new GoogleApiSync($ownerId);
$googleApiConnection->stopChannel($row['CHANNEL_ID'], $row['RESOURCE_ID']);
}
}
PushTable::delete(array("ENTITY_TYPE" => $row['ENTITY_TYPE'], 'ENTITY_ID' => $row['ENTITY_ID']));
}
}
/**
* Stop all push channels agent
* Recommended interval - 60 sec. Response from google not required
*
* @return null|string
*/
public static function clearPushChannels()
{
\Bitrix\Main\Loader::includeModule('dav');
$result = PushTable::getList(array(
'limit' => self::CLEAR_LIMIT
));
$hasRows = false;
while ($row = $result->fetch())
{
$hasRows = true;
self::stopChannel($row);
}
if ($hasRows)
return "\\Bitrix\\Calendar\\Sync\\GoogleApiPush::clearPushChannels();";
else
return null;
}
/**
* @param $channelId
* @return bool
*/
public static function receivePushSignal($channelId, $resourceId)
{
$result = PushTable::getList(array(
'filter' => array(
'=NOT_PROCESSED' => 'N',
'=CHANNEL_ID' => $channelId,
'=RESOURCE_ID' => $resourceId
),
));
if ($row = $result->fetch())
{
PushTable::update(
array(
'ENTITY_TYPE' => $row['ENTITY_TYPE'],
'ENTITY_ID' => $row['ENTITY_ID']
),
array(
'NOT_PROCESSED' => 'Y',
'FIRST_PUSH_DATE' => Type\DateTime::createFromTimestamp(strtotime('now'))
)
);
return true;
}
return false;
}
/**
* Synchronize sections and connections on push signal receive
* Recommended agent interval = 3 minutes
*
* @return string
*/
public static function processPush()
{
\Bitrix\Main\Loader::includeModule('dav');
$result = PushTable::getList(array(
'filter' => array('=NOT_PROCESSED' => 'Y'),
'order' => array('FIRST_PUSH_DATE' => 'ASC'),
'limit' => self::PROCESS_LIMIT
));
$pushRows = array();
while ($row = $result->fetch())
{
$pushRows[] = $row;
if ($row['ENTITY_TYPE'] == 'CONNECTION')
{
$connectionIds[] = $row['ENTITY_ID'];
}
if ($row['ENTITY_TYPE'] == 'SECTION')
{
$sectionIds[] = $row['ENTITY_ID'];
}
}
if (!empty($pushRows))
{
global $DB;
$sections = array();
$connections = array();
if (!empty($sectionIds))
{
$sectionResult = $DB->query("SELECT * FROM b_calendar_section WHERE ID IN (" . implode(',', $sectionIds) . ")");
while ($row = $sectionResult->fetch())
{
$sections[$row['ID']] = $row;
}
}
if (!empty($connectionIds))
{
$connectionResult = $DB->query("SELECT * FROM b_dav_connections WHERE ID IN (" . implode(',', $connectionIds) . ")");
while ($row = $connectionResult->fetch())
{
$connections[$row['ID']] = $row;
}
}
foreach($pushRows as $row)
{
$resynced = false;
$eventsSyncToken = false;
if ($row['ENTITY_TYPE'] == 'CONNECTION')
{
if (!empty($connections[$row['ENTITY_ID']]))
{
$resynced = \CCalendarSync::syncConnection($connections[$row['ENTITY_ID']]);
}
}
elseif ($row['ENTITY_TYPE'] == 'SECTION')
{
if (!empty($sections[$row['ENTITY_ID']]))
{
$eventsSyncToken = \CCalendarSync::syncCalendarEvents($sections[$row['ENTITY_ID']]);
if ($eventsSyncToken)
{
\CCalendarSect::edit(array(
'arFields' => array(
'ID' => $sections[$row['ENTITY_ID']]['ID'],
'SYNC_TOKEN' => $eventsSyncToken
)
));
}
}
}
if (($resynced && $row['ENTITY_TYPE'] == 'CONNECTION') ||
($eventsSyncToken && $row['ENTITY_TYPE'] == 'SECTION'))
{
PushTable::update(
array(
'ENTITY_TYPE' => $row['ENTITY_TYPE'],
'ENTITY_ID' => $row['ENTITY_ID']
),
array(
'NOT_PROCESSED' => 'N',
'FIRST_PUSH_DATE' => null
)
);
}
else
{
//PushTable::delete(array("ENTITY_TYPE" => $row['ENTITY_TYPE'], 'ENTITY_ID' => $row['ENTITY_ID']));
}
}
\CCalendar::clearCache();
}
return "\\Bitrix\\Calendar\\Sync\\GoogleApiPush::processPush();";
}
}
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