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https://git.friendi.ca/friendica/friendica-addons.git
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187 lines
4.8 KiB
PHP
187 lines
4.8 KiB
PHP
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<?php
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abstract class Sabre_CalDAV_Backend_Virtual extends Sabre_CalDAV_Backend_Common
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{
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/**
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* @static
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* @abstract
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* @param int $calendarId
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* @param string $uri
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* @return array
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*/
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/*
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abstract public function getItemsByUri($calendarId, $uri);
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*/
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/**
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* @static
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* @param int $uid
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* @param int $namespace
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*/
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static public function invalidateCache($uid = 0, $namespace = 0) {
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q("DELETE FROM %s%scal_virtual_object_sync WHERE `uid` = %d AND `namespace` = %d",
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CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($uid), IntVal($namespace));
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}
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/**
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* @static
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* @abstract
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* @param int $calendarId
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*/
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static abstract protected function createCache_internal($calendarId);
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/**
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* @static
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* @param int $calendarId
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*/
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static protected function createCache($calendarId) {
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$calendarId = IntVal($calendarId);
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q("DELETE FROM %s%scal_virtual_object_cache WHERE `calendar_id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $calendarId);
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static::createCache_internal($calendarId);
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q("REPLACE INTO %s%scal_virtual_object_sync (`calendar_id`, `date`) VALUES (%d, NOW())", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $calendarId);
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}
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/**
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* @param string $calendarId
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* @return array
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*/
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public function getCalendarObjects($calendarId)
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{
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$calendarId = IntVal($calendarId);
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$r = q("SELECT COUNT(*) n FROM %s%scal_virtual_object_sync WHERE `calendar_id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $calendarId);
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if ($r[0]["n"] == 0) static::createCache($calendarId);
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$r = q("SELECT * FROM %s%scal_virtual_object_cache WHERE `calendar_id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, $calendarId);
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$ret = array();
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foreach ($r as $obj) {
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$ret[] = array(
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"id" => IntVal($obj["data_uri"]),
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"calendardata" => $obj["calendardata"],
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"uri" => $obj["data_uri"],
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"lastmodified" => $obj["date"],
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"calendarid" => $calendarId,
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"etag" => $obj["etag"],
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"size" => IntVal($obj["size"]),
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);
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}
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return $ret;
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}
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/**
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* Returns information from a single calendar object, based on it's object
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* uri.
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*
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* The returned array must have the same keys as getCalendarObjects. The
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* 'calendardata' object is required here though, while it's not required
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* for getCalendarObjects.
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*
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* @param string $calendarId
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* @param string $objectUri
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* @throws Sabre_DAV_Exception_NotFound
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* @return array
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*/
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public function getCalendarObject($calendarId, $objectUri)
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{
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$calendarId = IntVal($calendarId);
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$r = q("SELECT COUNT(*) n FROM %s%scal_virtual_object_sync WHERE `calendar_id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($calendarId));
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if ($r[0]["n"] == 0) static::createCache($calendarId);
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$r = q("SELECT * FROM %s%scal_virtual_object_cache WHERE `data_uri` = '%s' AND `calendar_id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, dbesc($objectUri), IntVal($calendarId));
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if (count($r) == 0) throw new Sabre_DAV_Exception_NotFound();
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$obj = $r[0];
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$ret = array(
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"id" => IntVal($obj["data_uri"]),
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"calendardata" => $obj["calendardata"],
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"uri" => $obj["data_uri"],
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"lastmodified" => $obj["date"],
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"calendarid" => $calendarId,
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"etag" => $obj["etag"],
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"size" => IntVal($obj["size"]),
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);
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return $ret;
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}
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/**
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* Creates a new calendar for a principal.
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*
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* If the creation was a success, an id must be returned that can be used to reference
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* this calendar in other methods, such as updateCalendar.
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*
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* @param string $principalUri
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* @param string $calendarUri
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* @param array $properties
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* @throws Sabre_DAV_Exception_Forbidden
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* @return void
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*/
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public function createCalendar($principalUri, $calendarUri, array $properties)
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{
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throw new Sabre_DAV_Exception_Forbidden();
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}
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/**
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* Delete a calendar and all it's objects
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*
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* @param string $calendarId
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* @throws Sabre_DAV_Exception_Forbidden
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* @return void
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*/
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public function deleteCalendar($calendarId)
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{
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throw new Sabre_DAV_Exception_Forbidden();
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}
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/**
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* Creates a new calendar object.
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*
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* @param string $calendarId
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* @param string $objectUri
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* @param string $calendarData
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* @throws Sabre_DAV_Exception_Forbidden
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* @return null|string|void
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*/
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function createCalendarObject($calendarId, $objectUri, $calendarData)
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{
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throw new Sabre_DAV_Exception_Forbidden();
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}
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/**
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* Updates an existing calendarobject, based on it's uri.
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*
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* @param string $calendarId
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* @param string $objectUri
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* @param string $calendarData
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* @throws Sabre_DAV_Exception_Forbidden
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* @return null|string|void
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*/
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function updateCalendarObject($calendarId, $objectUri, $calendarData)
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{
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throw new Sabre_DAV_Exception_Forbidden();
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}
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/**
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* Deletes an existing calendar object.
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*
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* @param string $calendarId
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* @param string $objectUri
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* @throws Sabre_DAV_Exception_Forbidden
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* @return void
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*/
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function deleteCalendarObject($calendarId, $objectUri)
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{
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throw new Sabre_DAV_Exception_Forbidden();
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}
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}
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