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- <?php
- // $Id: group.php 1102 2007-10-19 02:55:52Z dugris $
- // ------------------------------------------------------------------------ //
- // 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 //
- // ------------------------------------------------------------------------- //
-
- if (!defined('XOOPS_ROOT_PATH')) {
- exit();
- }
-
- /**
- * a group of users
- *
- * @copyright copyright (c) 2000-2003 XOOPS.org
- * @author Kazumi Ono <onokazu@xoops.org>
- * @package kernel
- */
- class XoopsGroup extends XoopsObject
- {
- /**
- * constructor
- */
- function XoopsGroup()
- {
- $this->XoopsObject();
- $this->initVar('groupid', XOBJ_DTYPE_INT, null, false);
- $this->initVar('name', XOBJ_DTYPE_TXTBOX, null, true, 100);
- $this->initVar('description', XOBJ_DTYPE_TXTAREA, null, false);
- $this->initVar('group_type', XOBJ_DTYPE_OTHER, null, false);
- }
- }
-
-
- /**
- * XOOPS group handler class.
- * This class is responsible for providing data access mechanisms to the data source
- * of XOOPS group class objects.
- *
- * @author Kazumi Ono <onokazu@xoops.org>
- * @copyright copyright (c) 2000-2003 XOOPS.org
- * @package kernel
- * @subpackage member
- */
- class XoopsGroupHandler extends XoopsObjectHandler
- {
-
- /**
- * create a new {@link XoopsGroup} object
- *
- * @param bool $isNew mark the new object as "new"?
- * @return object XoopsGroup reference to the new object
- *
- */
- function &create($isNew = true)
- {
- $group = new XoopsGroup();
- if ($isNew) {
- $group->setNew();
- }
- return $group;
- }
-
- /**
- * retrieve a specific group
- *
- * @param int $id ID of the group to get
- * @return object XoopsGroup reference to the group object, FALSE if failed
- */
- function &get($id)
- {
- $id = intval($id);
- $group = false;
- if ($id > 0) {
- $sql = 'SELECT * FROM '.$this->db->prefix('groups').' WHERE groupid='.$id;
- if (!$result = $this->db->query($sql)) {
- return $group;
- }
- $numrows = $this->db->getRowsNum($result);
- if ($numrows == 1) {
- $group = new XoopsGroup();
- $group->assignVars($this->db->fetchArray($result));
- }
- }
- return $group;
- }
-
- /**
- * insert a group into the database
- *
- * @param object reference to the group object
- * @return mixed ID of the group if inserted, FALSE if failed, TRUE if already present and unchanged.
- */
- function insert(&$group)
- {
- /**
- * @TODO: Change to if (!(class_exists($this->className) && $obj instanceof $this->className)) when going fully PHP5
- */
- if (!is_a($group, 'xoopsgroup')) {
- return false;
- }
- if (!$group->isDirty()) {
- return true;
- }
- if (!$group->cleanVars()) {
- return false;
- }
- foreach ($group->cleanVars as $k => $v) {
- ${$k} = $v;
- }
- if ($group->isNew()) {
- $groupid = $this->db->genId('group_groupid_seq');
- $sql = sprintf("INSERT INTO %s (groupid, name, description, group_type) VALUES (%u, %s, %s, %s)", $this->db->prefix('groups'), $groupid, $this->db->quoteString($name), $this->db->quoteString($description), $this->db->quoteString($group_type));
- } else {
- $sql = sprintf("UPDATE %s SET name = %s, description = %s, group_type = %s WHERE groupid = %u", $this->db->prefix('groups'), $this->db->quoteString($name), $this->db->quoteString($description), $this->db->quoteString($group_type), $groupid);
- }
- if (!$result = $this->db->query($sql)) {
- return false;
- }
- if (empty($groupid)) {
- $groupid = $this->db->getInsertId();
- }
- $group->assignVar('groupid', $groupid);
- return true;
- }
-
- /**
- * remove a group from the database
- *
- * @param object $group reference to the group to be removed
- * @return bool FALSE if failed
- */
- function delete(&$group)
- {
- /**
- * @TODO: Change to if (!(class_exists($this->className) && $obj instanceof $this->className)) when going fully PHP5
- */
- if (!is_a($group, 'xoopsgroup')) {
- return false;
- }
- $sql = sprintf("DELETE FROM %s WHERE groupid = %u", $this->db->prefix('groups'), $group->getVar('groupid'));
- if (!$result = $this->db->query($sql)) {
- return false;
- }
- return true;
- }
-
- /**
- * retrieve groups from the database
- *
- * @param object $criteria {@link CriteriaElement} with conditions for the groups
- * @param bool $id_as_key should the groups' IDs be used as keys for the associative array?
- * @return mixed Array of groups
- */
- function getObjects($criteria = null, $id_as_key = false)
- {
- $ret = array();
- $limit = $start = 0;
- $sql = 'SELECT * FROM '.$this->db->prefix('groups');
- if (isset($criteria) && is_subclass_of($criteria, 'criteriaelement')) {
- $sql .= ' '.$criteria->renderWhere();
- $limit = $criteria->getLimit();
- $start = $criteria->getStart();
- }
- $result = $this->db->query($sql, $limit, $start);
- if (!$result) {
- return $ret;
- }
- while ($myrow = $this->db->fetchArray($result)) {
- $group = new XoopsGroup();
- $group->assignVars($myrow);
- if (!$id_as_key) {
- $ret[] =& $group;
- } else {
- $ret[$myrow['groupid']] =& $group;
- }
- unset($group);
- }
- return $ret;
- }
- }
-
- /**
- * membership of a user in a group
- *
- * @author Kazumi Ono <onokazu@xoops.org>
- * @copyright copyright (c) 2000-2003 XOOPS.org
- * @package kernel
- */
- class XoopsMembership extends XoopsObject
- {
- /**
- * constructor
- */
- function XoopsMembership()
- {
- $this->XoopsObject();
- $this->initVar('linkid', XOBJ_DTYPE_INT, null, false);
- $this->initVar('groupid', XOBJ_DTYPE_INT, null, false);
- $this->initVar('uid', XOBJ_DTYPE_INT, null, false);
- }
- }
-
- /**
- * XOOPS membership handler class. (Singleton)
- *
- * This class is responsible for providing data access mechanisms to the data source
- * of XOOPS group membership class objects.
- *
- * @author Kazumi Ono <onokazu@xoops.org>
- * @copyright copyright (c) 2000-2003 XOOPS.org
- * @package kernel
- */
- class XoopsMembershipHandler extends XoopsObjectHandler
- {
-
- /**
- * create a new membership
- *
- * @param bool $isNew should the new object be set to "new"?
- * @return object XoopsMembership
- */
- function &create($isNew = true)
- {
- $mship = new XoopsMembership();
- if ($isNew) {
- $mship->setNew();
- }
- return $mship;
- }
-
- /**
- * retrieve a membership
- *
- * @param int $id ID of the membership to get
- * @return mixed reference to the object if successful, else FALSE
- */
- function &get($id)
- {
- $id = intval($id);
- $mship = false;
- if ($id > 0) {
- $sql = 'SELECT * FROM '.$this->db->prefix('groups_users_link').' WHERE linkid='.$id;
- if (!$result = $this->db->query($sql)) {
- return $mship;
- }
- $numrows = $this->db->getRowsNum($result);
- if ($numrows == 1) {
- $mship = new XoopsMembership();
- $mship->assignVars($this->db->fetchArray($result));
- }
- }
- return $mship;
- }
-
- /**
- * inserts a membership in the database
- *
- * @param object $mship reference to the membership object
- * @return bool TRUE if already in DB or successful, FALSE if failed
- */
- function insert(&$mship)
- {
- /**
- * @TODO: Change to if (!(class_exists($this->className) && $obj instanceof $this->className)) when going fully PHP5
- */
- if (!is_a($mship, 'xoopsmembership')) {
- return false;
- }
- if (!$mship->isDirty()) {
- return true;
- }
- if (!$mship->cleanVars()) {
- return false;
- }
- foreach ($mship->cleanVars as $k => $v) {
- ${$k} = $v;
- }
- if ($mship->isNew()) {
- $linkid = $this->db->genId('groups_users_link_linkid_seq');
- $sql = sprintf("INSERT INTO %s (linkid, groupid, uid) VALUES (%u, %u, %u)", $this->db->prefix('groups_users_link'), $linkid, $groupid, $uid);
- } else {
- $sql = sprintf("UPDATE %s SET groupid = %u, uid = %u WHERE linkid = %u", $this->db->prefix('groups_users_link'), $groupid, $uid, $linkid);
- }
- if (!$result = $this->db->query($sql)) {
- return false;
- }
- if (empty($linkid)) {
- $linkid = $this->db->getInsertId();
- }
- $mship->assignVar('linkid', $linkid);
- return true;
- }
-
- /**
- * delete a membership from the database
- *
- * @param object $mship reference to the membership object
- * @return bool FALSE if failed
- */
- function delete(&$mship)
- {
- /**
- * @TODO: Change to if (!(class_exists($this->className) && $obj instanceof $this->className)) when going fully PHP5
- */
- if (!is_a($mship, 'xoopsmembership')) {
- return false;
- }
-
- $sql = sprintf("DELETE FROM %s WHERE linkid = %u", $this->db->prefix('groups_users_link'), $groupm->getVar('linkid'));
- if (!$result = $this->db->query($sql)) {
- return false;
- }
- return true;
- }
-
- /**
- * retrieve memberships from the database
- *
- * @param object $criteria {@link CriteriaElement} conditions to meet
- * @param bool $id_as_key should the ID be used as the array's key?
- * @return array array of references
- */
- function getObjects($criteria = null, $id_as_key = false)
- {
- $ret = array();
- $limit = $start = 0;
- $sql = 'SELECT * FROM '.$this->db->prefix('groups_users_link');
- if (isset($criteria) && is_subclass_of($criteria, 'criteriaelement')) {
- $sql .= ' '.$criteria->renderWhere();
- $limit = $criteria->getLimit();
- $start = $criteria->getStart();
- }
- $result = $this->db->query($sql, $limit, $start);
- if (!$result) {
- return $ret;
- }
- while ($myrow = $this->db->fetchArray($result)) {
- $mship = new XoopsMembership();
- $mship->assignVars($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 $criteria {@link CriteriaElement} conditions to meet
- * @return int
- */
- function getCount($criteria = null)
- {
- $sql = 'SELECT COUNT(*) FROM '.$this->db->prefix('groups_users_link');
- if (isset($criteria) && is_subclass_of($criteria, 'criteriaelement')) {
- $sql .= ' '.$criteria->renderWhere();
- }
- $result = $this->db->query($sql);
- if (!$result) {
- return 0;
- }
- list($count) = $this->db->fetchRow($result);
- return $count;
- }
-
- /**
- * delete all memberships meeting the conditions
- *
- * @param object $criteria {@link CriteriaElement} with conditions to meet
- * @return bool
- */
- function deleteAll($criteria = null)
- {
- $sql = 'DELETE FROM '.$this->db->prefix('groups_users_link');
- if (isset($criteria) && is_subclass_of($criteria, 'criteriaelement')) {
- $sql .= ' '.$criteria->renderWhere();
- }
- if (!$result = $this->db->query($sql)) {
- return false;
- }
- return true;
- }
-
- /**
- * retrieve groups for a user
- *
- * @param int $uid ID of the user
- * @param bool $asobject should the groups be returned as {@link XoopsGroup}
- * objects? FALSE returns associative array.
- * @return array array of groups the user belongs to
- */
- function getGroupsByUser($uid)
- {
- $ret = array();
- $sql = 'SELECT groupid FROM '.$this->db->prefix('groups_users_link').' WHERE uid='.intval($uid);
- $result = $this->db->query($sql);
- if (!$result) {
- return $ret;
- }
- while ($myrow = $this->db->fetchArray($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 XoopsUser} objects?
- * FALSE will return arrays
- * @param int $limit number of entries to return
- * @param int $start offset of first entry to return
- * @return array array of users belonging to the group
- */
- function getUsersByGroup($groupid, $limit=0, $start=0)
- {
- $ret = array();
- $sql = 'SELECT uid FROM '.$this->db->prefix('groups_users_link').' WHERE groupid='.intval($groupid);
- $result = $this->db->query($sql, $limit, $start);
- if (!$result) {
- return $ret;
- }
- while ($myrow = $this->db->fetchArray($result)) {
- $ret[] = $myrow['uid'];
- }
- return $ret;
- }
- }
- ?>