friendica-addons/dav/common/dav_carddav_backend_common.inc.php

116 lines
2.8 KiB
PHP

<?php
abstract class Sabre_CardDAV_Backend_Common extends Sabre_CardDAV_Backend_Abstract
{
/**
* @abstract
* @return int
*/
abstract public function getNamespace();
/**
* @static
* @abstract
* @return string
*/
abstract public static function getBackendTypeName();
/**
* @var array
*/
static private $addressbookCache = array();
/**
* @var array
*/
static private $addressbookObjectCache = array();
/**
* @static
* @param int $addressbookId
* @return array
*/
static public function loadCalendarById($addressbookId)
{
if (!isset(self::$addressbookCache[$addressbookId])) {
$c = q("SELECT * FROM %s%saddressbooks WHERE `id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($addressbookId));
self::$addressbookCache[$addressbookId] = $c[0];
}
return self::$addressbookCache[$addressbookId];
}
/**
* @static
* @param int $obj_id
* @return array
*/
static public function loadAddressbookobjectById($obj_id)
{
if (!isset(self::$addressbookObjectCache[$obj_id])) {
$o = q("SELECT * FROM %s%saddressbookobjects WHERE `id` = %d",
CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($obj_id)
);
self::$addressbookObjectCache[$obj_id] = $o[0];
}
return self::$addressbookObjectCache[$obj_id];
}
/**
* Updates an addressbook's properties
*
* See Sabre_DAV_IProperties for a description of the mutations array, as
* well as the return value.
*
* @param mixed $addressBookId
* @param array $mutations
* @throws Sabre_DAV_Exception_Forbidden
* @see Sabre_DAV_IProperties::updateProperties
* @return bool|array
*/
public function updateAddressBook($addressBookId, array $mutations)
{
$updates = array();
foreach ($mutations as $property=> $newValue) {
switch ($property) {
case '{DAV:}displayname' :
$updates['displayname'] = $newValue;
break;
case '{' . Sabre_CardDAV_Plugin::NS_CARDDAV . '}addressbook-description' :
$updates['description'] = $newValue;
break;
default :
// If any unsupported values were being updated, we must
// let the entire request fail.
return false;
}
}
// No values are being updated?
if (!$updates) {
return false;
}
$query = 'UPDATE ' . CALDAV_SQL_DB . CALDAV_SQL_PREFIX . 'addressbooks SET ctag = ctag + 1 ';
foreach ($updates as $key=> $value) {
$query .= ', `' . dbesc($key) . '` = ' . dbesc($key) . ' ';
}
$query .= ' WHERE id = ' . IntVal($addressBookId);
q($query);
return true;
}
/**
* @param int $addressbookId
*/
protected function increaseAddressbookCtag($addressbookId)
{
q("UPDATE %s%saddressbooks SET `ctag` = `ctag` + 1 WHERE `id` = '%d'", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($addressbookId));
self::$addressbookCache = array();
}
}