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<?php
/**
* Turba directory driver implementation for Horde Preferences - very
* simple, lightweight container.
*
* $Horde: turba/lib/Driver/prefs.php,v 1.10.10.1 2005/01/15 20:27:02 chuck Exp $
*
* @author Chuck Hagenbuch <chuck@horde.org>
* @since Turba 1.2
* @package Turba
*/
class Turba_Driver_prefs extends Turba_Driver {
/**
*
*/
function _init()
{
return true;
}
/**
* Return all entries - searching isn't implemented here for
* now. The parameters are simply ignored.
*
* @param $criteria Array containing the search criteria.
* @param $fields List of fields to return.
*
* @return Hash containing the search results.
*/
function _search($criteria, $fields)
{
return array_values($this->_getAddressBook());
}
/**
* Read the given data from the SQL database and returns
* the result's fields.
*
* @param $criteria Search criteria.
* @param $ids Data identifiers.
* @param $fields List of fields to return.
*
* @return Hash containing the search results.
*/
function _read($criteria, $ids, $fields)
{
$book = $this->_getAddressBook();
$results = array();
if (!is_array($ids)) {
$ids = array($ids);
}
foreach ($ids as $id) {
if (isset($book[$id])) {
$results[] = $book[$id];
}
}
return $results;
}
/**
* Adds the specified object to the SQL database.
*/
function _add($attributes)
{
$book = $this->_getAddressBook();
$book[$attributes['id']] = $attributes;
$this->_setAddressbook($book);
return true;
}
/**
* Deletes the specified object from the SQL database.
*/
function _delete($object_key, $object_id)
{
$book = $this->_getAddressBook();
unset($book[$object_id]);
$this->_setAddressbook($book);
return true;
}
/**
* Saves the specified object in the SQL database.
*/
function _save($object_key, $object_id, $attributes)
{
$book = $this->_getAddressBook();
$book[$object_id] = $attributes;
$this->_setAddressBook($book);
}
/**
* Create an object key for a new object.
*
* @param array $attributes The attributes (in driver keys) of the
* object being added.
*
* @return string A unique ID for the new object.
*/
function _makeKey($attributes)
{
return md5(mt_rand());
}
function _getAddressBook()
{
global $prefs;
$val = $prefs->getValue('prefbooks');
if (!empty($val)) {
$prefbooks = unserialize($val);
return $prefbooks[$this->_params['name']];
} else {
return array();
}
}
function _setAddressBook($addressbook)
{
global $prefs;
$val = $prefs->getValue('prefbooks');
if (!empty($val)) {
$prefbooks = unserialize($val);
} else {
$prefbooks = array();
}
$prefbooks[$this->_params['name']] = $addressbook;
$prefs->setValue('prefbooks', serialize($prefbooks));
$prefs->store();
}
}
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