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// ------------------------------------------------------------------------ //
// XOOPS - PHP Content Management System //
// Copyright (c) 2000 XOOPS.org //
// <http://www.xoops.org/> //
// ------------------------------------------------------------------------ //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation; either version 2 of the License, or //
// (at your option) any later version. //
// //
// You may not change or alter any portion of this comment or credits //
// of supporting developers from this source code or any supporting //
// source code which is considered copyrighted (c) material of the //
// original comment or credit authors. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program; if not, write to the Free Software //
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA //
// ------------------------------------------------------------------------ //
// Author: Kazumi Ono (AKA onokazu) //
// URL: http://www.myweb.ne.jp/, http://www.xoops.org/, http://jp.xoops.org/ //
// Project: The XOOPS Project //
// ------------------------------------------------------------------------- //
/**
* Manage memberships
*
* @copyright http://www.impresscms.org/ The ImpressCMS Project
* @license LICENSE.txt
* @category ICMS
* @package Member
* @subpackage GroupMembership
* @author Kazumi Ono (aka onokazo)
* @version SVN: $Id:Handler.php 19775 2010-07-11 18:54:25Z malanciault $
*/
defined('ICMS_ROOT_PATH') or die("ImpressCMS root path not defined");
/**
* Group membership handler class. (Singleton)
*
* This class is responsible for providing data access mechanisms to the data source
* of group membership class objects.
*
* @author Kazumi Ono <onokazu@xoops.org>
* @category ICMS
* @package Member
* @subpackage GroupMembership
*/
class icms_member_group_membership_Handler extends icms_core_ObjectHandler {
/**
* create a new membership
*
* @param bool $isNew should the new object be set to "new"?
* @return object icms_member_group_membership_Object {@link icms_member_group_membership_Object}
* @see icms_core_ObjectHandler#create()
*/
public function &create($isNew = true) {
$mship = new icms_member_group_membership_Object();
if ($isNew) {
$mship->setNew();
}
return $mship;
}
/**
* retrieve a membership
*
* @param int $id ID of the membership to get
* @return mixed reference to the object if successful, else FALSE
* @see icms_core_ObjectHandler#get($int_id)
*/
public function &get($id) {
$id = (int) $id;
$mship = false;
if ($id > 0) {
$sql = "SELECT * FROM " . icms::$xoopsDB->prefix('groups_users_link')
. " WHERE linkid='" . $id . "'";
if (!$result = icms::$xoopsDB->query($sql)) {
return $mship;
}
$numrows = icms::$xoopsDB->getRowsNum($result);
if ($numrows == 1) {
$mship = new icms_member_group_membership_Object();
$mship->assignVars(icms::$xoopsDB->fetchArray($result));
}
}
return $mship;
}
/**
* inserts a membership in the database
*
* @param object $mship reference to the membership object
* @return bool TRUE if already in DB or successful, FALSE if failed
* @see icms_core_ObjectHandler#insert($object)
*/
public function insert(&$mship) {
/* As of PHP5.3.0, is_a()is no longer deprecated and there is no need to replace it */
if (!is_a($mship, 'icms_member_group_membership_Object')) {
return false;
}
if (!$mship->isDirty()) {
return true;
}
if (!$mship->cleanVars()) {
return false;
}
foreach ( $mship->cleanVars as $k => $v) {
${$k} = $v;
}
if ($mship->isNew()) {
$linkid = icms::$xoopsDB->genId('groups_users_link_linkid_seq');
$sql = sprintf(
"INSERT INTO %s (linkid, groupid, uid) VALUES ('%u', '%u', '%u')",
icms::$xoopsDB->prefix('groups_users_link'),
(int) $linkid,
(int) $groupid,
(int) $uid
);
} else {
$sql = sprintf(
"UPDATE %s SET groupid = '%u', uid = '%u' WHERE linkid = '%u'",
icms::$xoopsDB->prefix('groups_users_link'),
(int) $groupid,
(int) $uid,
(int) $linkid
);
}
if (!$result = icms::$xoopsDB->query($sql)) {
return false;
}
if (empty($linkid)) {
$linkid = icms::$xoopsDB->getInsertId();
}
$mship->assignVar('linkid', $linkid);
return true;
}
/**
* delete a membership from the database
*
* @param object $mship reference to the membership object
* @return bool FALSE if failed
* @see icms_core_ObjectHandler#delete($object)
*/
public function delete(&$mship) {
/* As of PHP5.3.0, is_a() is no longer deprecated and there is no reason to replace it */
if (!is_a($mship, 'icms_member_group_membership_Object')) {
return false;
}
$sql = sprintf(
"DELETE FROM %s WHERE linkid = '%u'",
icms::$xoopsDB->prefix('groups_users_link'),
(int) $groupm->getVar('linkid')
);
if (!$result = icms::$xoopsDB->query($sql)) {
return false;
}
return true;
}
/**
* retrieve memberships from the database
*
* @param object $criteria {@link icms_db_criteria_Element} conditions to meet
* @param bool $id_as_key should the ID be used as the array's key?
* @return array array of references
*/
public function getObjects($criteria = null, $id_as_key = false) {
$ret = array();
$limit = $start = 0;
$sql = "SELECT * FROM " . icms::$xoopsDB->prefix('groups_users_link');
if (isset($criteria) && is_subclass_of($criteria, 'icms_db_criteria_Element')) {
$sql .= " " . $criteria->renderWhere();
$limit = $criteria->getLimit();
$start = $criteria->getStart();
}
$result = icms::$xoopsDB->query($sql, $limit, $start);
if (!$result) {
return $ret;
}
while ($myrow = icms::$xoopsDB->fetchArray($result)) {
$mship = new icms_member_group_membership_Object();
$mship->assignVars($myrow);
if (!$id_as_key) {
$ret[] =& $mship;
} else {
$ret[$myrow['linkid']] =& $mship;
}
unset($mship);
}
return $ret;
}
/**
* count how many memberships meet the conditions
*
* @param object $criteria {@link icms_db_criteria_Element} conditions to meet
* @return int
*/
public function getCount($criteria = null) {
$sql = "SELECT COUNT(*) FROM " . icms::$xoopsDB->prefix('groups_users_link');
if (isset($criteria) && is_subclass_of($criteria, 'icms_db_criteria_Element')) {
$sql .= " " . $criteria->renderWhere();
}
$result = icms::$xoopsDB->query($sql);
if (!$result) {
return 0;
}
list($count) = icms::$xoopsDB->fetchRow($result);
return $count;
}
/**
* delete all memberships meeting the conditions
*
* @param object $criteria {@link icms_db_criteria_Element} with conditions to meet
* @return bool
*/
public function deleteAll($criteria = null) {
$sql = "DELETE FROM " . icms::$xoopsDB->prefix('groups_users_link');
if (isset($criteria) && is_subclass_of($criteria, 'icms_db_criteria_Element')) {
$sql .= " " . $criteria->renderWhere();
}
if (!$result = icms::$xoopsDB->query($sql)) {
return false;
}
return true;
}
/**
* retrieve groups for a user
*
* @param int $uid ID of the user
* @param bool $asobject should the groups be returned as {@link icms_member_group_Object}
* objects? FALSE returns associative array.
* @return array array of groups the user belongs to
*/
public function getGroupsByUser($uid) {
$ret = array();
$sql = "SELECT groupid FROM " . icms::$xoopsDB->prefix('groups_users_link')
. " WHERE uid='" . (int) $uid . "'";
$result = icms::$xoopsDB->query($sql);
if (!$result) {
return $ret;
}
while ($myrow = icms::$xoopsDB->fetchArray($result)) {
$ret[] = $myrow['groupid'];
}
return $ret;
}
/**
* retrieve users belonging to a group
*
* @param int $groupid ID of the group
* @param bool $asobject return users as {@link icms_user_Object} objects?
* FALSE will return arrays
* @param int $limit number of entries to return
* @param int $start offset of first entry to return
* @return array array of users belonging to the group
*/
public function getUsersByGroup($groupid, $limit=0, $start=0) {
$ret = array();
$sql = "SELECT uid FROM " . icms::$xoopsDB->prefix('groups_users_link')
. " WHERE groupid='" . (int) $groupid . "'";
$result = icms::$xoopsDB->query($sql, $limit, $start);
if (!$result) {
return $ret;
}
while ($myrow = icms::$xoopsDB->fetchArray($result)) {
$ret[] = $myrow['uid'];
}
return $ret;
}
}