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<?php
/**
* Read-only Turba_Driver implementation for creating a Horde_Group based
* address book.
*
* $Horde: turba/lib/Driver/group.php,v 1.2.2.1 2007/12/20 14:34:30 jan Exp $
*
* @author Michael J. Rubinsky <mrubinsk@horde.org>
* @since Turba 2.2
* @package Turba
*/
class Turba_Driver_group extends Turba_Driver {
/**
* Constructor function.
*
* @param array $params Array of parameters for this driver.
* Basically, just passes the group id.
*
*/
function Turba_Driver_group($params)
{
$this->_gid = $params['gid'];
}
/**
* Initialize the group driver.
*/
function _init()
{
return true;
}
/**
* Checks if the current user has the requested permissions on this
* source. This source is always read only.
*
* @param integer $perm The permission to check for.
*
* @return boolean True if the user has permission, otherwise false.
*/
function hasPermission($perm)
{
switch ($perm) {
case PERMS_EDIT:
case PERMS_DELETE:
return false;
default:
return true;
}
}
/**
* Searches the group list with the given criteria and returns a
* filtered list of results. If the criteria parameter is an empty array,
* all records will be returned.
*
* This method 'borrowed' from the favorites driver.
*
* @param array $criteria Array containing the search criteria.
* @param array $fields List of fields to return.
*
* @return array Hash containing the search results.
*/
function _search($criteria, $fields)
{
$results = array();
foreach ($this->_getAddressBook() as $key => $contact) {
$found = !isset($criteria['OR']);
foreach ($criteria as $op => $vals) {
if ($op == 'AND') {
foreach ($vals as $val) {
if (isset($contact[$val['field']])) {
switch ($val['op']) {
case 'LIKE':
if (stristr($contact[$val['field']], $val['test']) === false) {
continue 4;
}
$found = true;
break;
}
}
}
} elseif ($op == 'OR') {
foreach ($vals as $val) {
if (isset($contact[$val['field']])) {
switch ($val['op']) {
case 'LIKE':
if (empty($val['test']) ||
stristr($contact[$val['field']], $val['test']) !== false) {
$found = true;
break 3;
}
}
}
}
}
}
if ($found) {
$results[$key] = $contact;
}
}
return $results;
}
/**
* Read the data from the address book.
* Again, this method taken from the favorites driver.
*
* @param array $criteria Search criteria.
* @param string $id Data identifier.
* @param array $fields List of fields to return.
*
* @return Hash containing the search results.
*/
function _read($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;
}
function _getAddressBook()
{
require_once 'Horde/Group.php';
require_once 'Horde/Identity.php';
$groups = &Group::singleton();
$members = $groups->listAllUsers($this->_gid);
$addressbook = array();
foreach ($members as $member) {
$identity = &Identity::singleton('none', $member);
$name = $identity->getValue('fullname');
$email = $identity->getValue('from_addr');
// We use the email as the key since we could have multiple users
// with the same fullname, so no email = no entry in address book.
if (!empty($email)) {
$addressbook[$email] = array(
'name' => ((!empty($name) ? $name : $member)),
'email' => $identity->getValue('from_addr')
);
}
}
return $addressbook;
}
}
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