friendica-addons/dav/common/virtual_cal_source_backend.inc.php
2012-06-03 18:19:28 +00:00

63 lines
1.5 KiB
PHP

<?php
abstract class VirtualCalSourceBackend {
/**
* @static
* @param int $uid
* @param int $namespace
*/
static public function invalidateCache($uid = 0, $namespace = 0) {
q("DELETE FROM %s%scache_synchronized WHERE `uid` = %d AND `namespace` = %d",
CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($uid), IntVal($namespace));
}
/**
* @static
* @abstract
* @param int $uid
* @param int $namespace_id
*/
static abstract function createCache($uid = 0, $namespace_id = 0);
/**
* @static
* @param int $uid
* @param int $namespace
* @return array
*/
static public function getCachedItems($uid = 0, $namespace = 0) {
$uid = IntVal($uid);
$namespace = IntVal($namespace);
$r = q("SELECT COUNT(*) n FROM %s%scache_synchronized WHERE `uid` = %d AND `namespace` = %d",
CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($uid), $namespace);
if ($r[0]["n"] == 0) self::createCache();
$r = q("SELECT * FROM %s%scal_virtual_object_cache WHERE `uid` = %d AND `namespace` = %d",
CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $uid, $namespace);
return $r;
}
/**
* @static
* @abstract
* @param int $uid
* @param int $namespace_id
* @param string $date_from
* @param string $date_to
* @return array
*/
abstract static public function getItemsByTime($uid = 0, $namespace_id = 0, $date_from = "", $date_to = "");
/**
* @static
* @abstract
* @param int $uid
* @param string $uri
* @return array
*/
abstract static public function getItemsByUri($uid = 0, $uri);
}