322 lines
8.8 KiB
PHP
322 lines
8.8 KiB
PHP
<?php
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/*------------------------------------------------------------------------------
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Copyright (c) 2004 Media Development Loan Fund
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This file is part of the LiveSupport project.
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http://livesupport.campware.org/
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To report bugs, send an e-mail to bugs@campware.org
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LiveSupport is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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LiveSupport is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with LiveSupport; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Author : $Author: tomas $
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Version : $Revision: 1.2 $
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Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/alib/var/class.php,v $
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------------------------------------------------------------------------------*/
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require_once "mtree.php";
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/**
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* ObjClass class
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*
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* class for 'object classes' handling - i.e. groups of object in tree
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*
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* @author $Author: tomas $
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* @version $Revision: 1.2 $
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* @see Mtree
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* @see Subj
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*/
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class ObjClasses extends Mtree{
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var $classTable;
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var $cmembTable;
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/**
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* Constructor
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*
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* @param dbc object
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* @param config array
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* @return this
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*/
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function ObjClasses(&$dbc, $config)
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{
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parent::MTree(&$dbc, $config);
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$this->classTable = $config['tblNamePrefix'].'classes';
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$this->cmembTable = $config['tblNamePrefix'].'cmemb';
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}
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/* ======================================================= public methods */
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/**
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* Add new class of objects
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*
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* @param cname string
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* @return id/error
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*/
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function addClass($cname)
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{
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$id = $this->dbc->nextId("{$this->treeTable}_id_seq");
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if(PEAR::isError($id)) return $id;
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$r = $this->dbc->query("
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INSERT INTO {$this->classTable} (id, cname)
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VALUES ($id, '$cname')
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");
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if(PEAR::isError($r)) return $r;
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return $id;
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}
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/**
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* Remove class by name
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*
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* @param cname string
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* @return boolean/err
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*/
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function removeClass($cname)
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{
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$cid = $this->getClassId($cname);
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if(PEAR::isError($cid)) return($cid);
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return $this->removeClassById($cid);
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}
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/**
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* Remove class by id
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*
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* @param cid int
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* @return boolean/err
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*/
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function removeClassById($cid)
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{
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$r = $this->dbc->query("DELETE FROM {$this->cmembTable}
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WHERE cid=$cid");
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if(PEAR::isError($r)) return $r;
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$r = $this->dbc->query("DELETE FROM {$this->classTable}
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WHERE id=$cid");
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if(PEAR::isError($r)) return $r;
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return TRUE;
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}
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/**
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* Add object to class
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*
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* @param cid int
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* @param oid int
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* @return boolean/err
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*/
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function addObj2Class($cid, $oid)
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{
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$r = $this->dbc->query("INSERT INTO {$this->cmembTable} (cid, objid)
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VALUES ($cid, $oid)");
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if(PEAR::isError($r)) return $r;
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return TRUE;
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}
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/**
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* Remove object from class
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*
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* @param oid int
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* @param cid int, optional, default: remove obj from all classes
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* @return boolean/err
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*/
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function removeObjFromClass($oid, $cid=NULL)
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{
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$r = $this->dbc->query("DELETE FROM {$this->cmembTable}
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WHERE objid=$oid".(is_null($cid)? '':" AND cid=$cid"));
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if(PEAR::isError($r)) return $r;
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return TRUE;
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}
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/* ---------------------------------------------------------- object tree */
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/**
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* Remove object from all classes and remove object itself
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*
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* @param id int
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* @return boolean/err
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*/
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function removeObj($id)
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{
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$r = $this->removeObjFromClass($id);
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if(PEAR::isError($r)) return $r;
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return parent::removeObj($id);
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}
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/* --------------------------------------------------------- info methods */
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/**
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* Get class id from name
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*
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* @param cname string
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* @return int/err
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*/
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function getClassId($cname)
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{
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return $this->dbc->getOne($query = "SELECT id FROM {$this->classTable}
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WHERE cname='$cname'");
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}
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/**
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* Get class name from id
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*
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* @param id int
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* @return string/err
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*/
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function getClassName($id)
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{
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return $this->dbc->getOne(
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$query = "SELECT cname FROM {$this->classTable}WHERE id=$id");
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}
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/**
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* Return true is object is class
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*
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* @param id int
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* @return boolean/err
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*/
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function isClass($id)
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{
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$r = $this->dbc->getOne("SELECT count(*) FROM {$this->classTable}
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WHERE id=$id");
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if(PEAR::isError($r)) return $r;
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return ($r > 0);
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}
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/**
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* Return all classes
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*
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* @return array/err
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*/
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function getClasses()
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{
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return $this->dbc->getAll("SELECT * FROM {$this->classTable}");
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}
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/**
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* Return all objects in class
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*
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* @param id int
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* @return array/err
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*/
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function listClass($id)
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{
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return $this->dbc->getAll("
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SELECT t.* FROM {$this->cmembTable} cm, {$this->treeTable} t
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WHERE cm.cid=$id AND cm.objid=t.id");
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}
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/* =============================================== test and debug methods */
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/**
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* Dump all classes fot debug
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*
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* @param indstr string // indentation string
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* @param ind string // aktual indentation
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* @return string
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*/
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function dumpClasses($indstr=' ', $ind='')
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{
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$r = $ind.join(', ', array_map(
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create_function('$v', 'return "{$v[\'cname\']} ({$v[\'cnt\']})";'),
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$this->dbc->getAll("
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SELECT cname, count(cm.objid)as cnt FROM {$this->classTable} c
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LEFT JOIN {$this->cmembTable} cm ON c.id=cm.cid
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GROUP BY cname, c.id ORDER BY c.id
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")
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))."\n";
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return $r;
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}
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/**
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* Delete all classes and membeship records
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*
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*/
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function deleteData()
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{
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$this->dbc->query("DELETE FROM {$this->cmembTable}");
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$this->dbc->query("DELETE FROM {$this->classTable}");
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parent::deleteData();
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}
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/**
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* Insert test data
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*
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*/
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function testData()
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{
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parent::testData();
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$o[] = $this->addClass('Sections b');
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$o[] = $this->addClass('Class 2');
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$this->addObj2Class($o[1], $this->tdata['tree'][4]);
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$this->addObj2Class($o[1], $this->tdata['tree'][9]);
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$this->tdata['classes'] = $o;
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}
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/**
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* Make basic test
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*
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*/
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function test()
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{
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if(PEAR::isError($p = parent::test())) return $p;
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$this->deleteData();
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$this->testData();
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$this->test_correct = "Sections b (0), Class 2 (2)\n";
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$this->test_dump = $this->dumpClasses();
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$this->removeClass('Sections b');
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$this->removeObjFromClass($this->tdata['tree'][4],
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$this->tdata['classes'][1]);
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$this->test_correct .= "Class 2 (1)\n";
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$this->test_dump .= $this->dumpClasses();
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$this->deleteData();
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if($this->test_dump==$this->test_correct){
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$this->test_log.="class: OK\n"; return TRUE;
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}else return PEAR::raiseError(
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'ObjClasses::test:', 1, PEAR_ERROR_DIE, '%s'.
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"<pre>\ncorrect:\n{$this->test_correct}\n".
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"dump:\n{$this->test_dump}\n</pre>\n");
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}
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/**
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* Create tables + initialize
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*
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*/
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function install()
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{
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parent::install();
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$this->dbc->query("CREATE TABLE {$this->classTable} (
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id int not null,
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cname varchar(20)
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)");
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$this->dbc->query("CREATE UNIQUE INDEX {$this->classTable}_id_idx
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ON {$this->classTable} (id)");
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$this->dbc->query("CREATE UNIQUE INDEX {$this->classTable}_cname_idx
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ON {$this->classTable} (cname)");
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$this->dbc->query("CREATE TABLE {$this->cmembTable} (
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objid int not null,
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cid int not null
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)");
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$this->dbc->query("CREATE UNIQUE INDEX {$this->cmembTable}_idx
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ON {$this->cmembTable} (objid, cid)");
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}
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/**
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* Drop tables etc.
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*
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*/
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function uninstall()
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{
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$this->dbc->query("DROP TABLE {$this->classTable}");
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$this->dbc->query("DROP TABLE {$this->cmembTable}");
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parent::uninstall();
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}
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}
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?>
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