dav/common/dav_carddav_backend_common.inc.php

   1 <?php
   2
   3 abstract class Sabre_CardDAV_Backend_Common extends Sabre_CardDAV_Backend_Abstract
   4 {
   5         /**
   6          * @abstract
   7          * @return int
   8          */
   9         abstract public function getNamespace();
  10
  11         /**
  12          * @static
  13          * @abstract
  14          * @return string
  15          */
  16         abstract public static function getBackendTypeName();
  17
  18         /**
  19          * @var array
  20          */
  21         static private $addressbookCache = array();
  22
  23         /**
  24          * @var array
  25          */
  26         static private $addressbookObjectCache = array();
  27
  28         /**
  29          * @static
  30          * @param int $addressbookId
  31          * @return array
  32          */
  33         static public function loadCalendarById($addressbookId)
  34         {
  35                 if (!isset(self::$addressbookCache[$addressbookId])) {
  36                         $c                                = q("SELECT * FROM %s%saddressbooks WHERE `id` = %d", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($addressbookId));
  37                         self::$addressbookCache[$addressbookId] = $c[0];
  38                 }
  39                 return self::$addressbookCache[$addressbookId];
  40         }
  41
  42         /**
  43          * @static
  44          * @param int $obj_id
  45          * @return array
  46          */
  47         static public function loadAddressbookobjectById($obj_id)
  48         {
  49                 if (!isset(self::$addressbookObjectCache[$obj_id])) {
  50                         $o                                  = q("SELECT * FROM %s%saddressbookobjects WHERE `id` = %d",
  51                                 CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($obj_id)
  52                         );
  53                         self::$addressbookObjectCache[$obj_id] = $o[0];
  54                 }
  55                 return self::$addressbookObjectCache[$obj_id];
  56         }
  57
  58
  59         /**
  60          * Updates an addressbook's properties
  61          *
  62          * See Sabre_DAV_IProperties for a description of the mutations array, as
  63          * well as the return value.
  64          *
  65          * @param mixed $addressBookId
  66          * @param array $mutations
  67          * @throws Sabre_DAV_Exception_Forbidden
  68          * @see Sabre_DAV_IProperties::updateProperties
  69          * @return bool|array
  70          */
  71         public function updateAddressBook($addressBookId, array $mutations)
  72         {
  73                 $updates = array();
  74
  75                 foreach ($mutations as $property=> $newValue) {
  76
  77                         switch ($property) {
  78                                 case '{DAV:}displayname' :
  79                                         $updates['displayname'] = $newValue;
  80                                         break;
  81                                 case '{' . Sabre_CardDAV_Plugin::NS_CARDDAV . '}addressbook-description' :
  82                                         $updates['description'] = $newValue;
  83                                         break;
  84                                 default :
  85                                         // If any unsupported values were being updated, we must
  86                                         // let the entire request fail.
  87                                         return false;
  88                         }
  89
  90                 }
  91
  92                 // No values are being updated?
  93                 if (!$updates) {
  94                         return false;
  95                 }
  96
  97                 $query = 'UPDATE ' . CALDAV_SQL_DB . CALDAV_SQL_PREFIX . 'addressbooks SET ctag = ctag + 1 ';
  98                 foreach ($updates as $key=> $value) {
  99                         $query .= ', `' . dbesc($key) . '` = ' . dbesc($key) . ' ';
 100                 }
 101                 $query .= ' WHERE id = ' . IntVal($addressBookId);
 102                 q($query);
 103
 104                 return true;
 105
 106         }
 107
 108         /**
 109          * @param int $addressbookId
 110          */
 111         protected function increaseAddressbookCtag($addressbookId)
 112         {
 113                 q("UPDATE %s%saddressbooks SET `ctag` = `ctag` + 1 WHERE `id` = '%d'", CALDAV_SQL_DB, CALDAV_SQL_PREFIX, IntVal($addressbookId));
 114                 self::$addressbookCache = array();
 115         }
 116 }