class.ilCopyWizardOptions.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2006 ILIAS open source, University of Cologne            |
        |                                                                             |
        | 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.                      |
        |                                                                             |
        | 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. |
        +-----------------------------------------------------------------------------+
*/

class ilCopyWizardOptions
{
        private static $instances = null;
        
        const COPY_WIZARD_OMIT = 1;
        const COPY_WIZARD_COPY = 2;
        const COPY_WIZARD_LINK = 3;
        
        const OWNER_KEY = -3;
        const DISABLE_SOAP = -4;
        const ROOT_NODE = -5;
        
        private $db;
        
        private $copy_id;
        private $source_id;
        private $options = array();     
        
        private function __construct($a_copy_id = 0)
        {
                global $ilDB;
                
                $this->db = $ilDB;
                $this->copy_id = $a_copy_id;
                
                if($this->copy_id)
                {
                        $this->read();
                }       
        }
        
        public static function _getInstance($a_copy_id)
        {
                if(is_array(self::$instances) and isset(self::$instances[$a_copy_id]))
                {
                        return self::$instances[$a_copy_id];
                }
                return self::$instances[$a_copy_id] = new ilCopyWizardOptions($a_copy_id);
        }
        
        public static function _isFinished($a_copy_id)
        {
                global $ilDB;
                
                $query = "SELECT * FROM copy_wizard_options ".
                        "WHERE copy_id  = ".$ilDB->quote($a_copy_id ,'integer')." ";
                $res = $ilDB->query($query);
                return $res->numRows() ? false : true;
        }
        
        public static function _allocateCopyId()
        {
                global $ilDB;
                
                $query = "SELECT MAX(copy_id) latest FROM copy_wizard_options ";
                $res = $ilDB->query($query);
                $row = $res->fetchRow(DB_FETCHMODE_OBJECT);
                
                $ilDB->insert("copy_wizard_options", array(
                        "copy_id" => array("integer", $row->latest + 1),
                        "source_id" => array("integer", 0)
                        ));
                return $row->latest + 1;
        }
        
        public function saveOwner($a_user_id)
        {
                global $ilDB;

                $ilDB->insert("copy_wizard_options", array(
                        "copy_id"       => array("integer", $this->getCopyId()),
                        "source_id" => array("integer", self::OWNER_KEY),
                        "options"       => array('clob',serialize(array($a_user_id)))
                        ));

                return true;
        }
        
        public function saveRoot($a_root)
        {
                global $ilDB;

                $ilDB->insert("copy_wizard_options", array(
                        "copy_id"       => array("integer", $this->getCopyId()),
                        "source_id" => array("integer", self::ROOT_NODE),
                        "options"       => array('clob',serialize(array($a_root)))
                        ));

                return true;
                
        }
        
         public function isRootNode($a_root)
         {
                return in_array($a_root,$this->getOptions(self::ROOT_NODE));
         }
        
        public function disableSOAP()
        {
                global $ilDB;
                
                $this->options[self::DISABLE_SOAP] = 1;
                
                $ilDB->insert("copy_wizard_options", array(
                        "copy_id"       => array("integer", $this->getCopyId()),
                        "source_id" => array("integer", self::DISABLE_SOAP),
                        "options"       => array('clob',serialize(array(1)))
                        ));
        }
        
        public function isSOAPEnabled()
        {
                if(isset($this->options[self::DISABLE_SOAP]) and $this->options[self::DISABLE_SOAP])
                {
                        return false;
                }
                return true;
        }
        
        

        public function checkOwner($a_user_id)
        {
                return in_array($a_user_id,$this->getOptions(self::OWNER_KEY));
        }
        
        public function getCopyId()
        {
                return $this->copy_id;
        }
        
        
        public function initContainer($a_source_id,$a_target_id)
        {
                global $tree;
                
                $mapping_source = $tree->getParentId($a_source_id);
                $this->addEntry($a_source_id,array('type' => ilCopyWizardOptions::COPY_WIZARD_COPY));
                $this->appendMapping($mapping_source,$a_target_id);
        }
        
        public function storeTree($a_source_id)
        {
                global $ilDB;
                
                $this->readTree($a_source_id);
                $a_tree_structure = $this->tmp_tree;
                
                $ilDB->update("copy_wizard_options", array(
                        "options"       => array('clob',serialize($a_tree_structure))
                        ), array(
                        "copy_id"       => array('integer',$this->getCopyId()),
                        "source_id"     => array('integer',0
                )));

                $ilDB->insert('copy_wizard_options',array(
                        'copy_id'       => array('integer',$this->getCopyId()),
                        'source_id'     => array('integer',-1),
                        'options'       => array('clob',serialize($a_tree_structure))
                        ));

                return true; 
        }
        
        private function fetchFirstNodeById($a_id)
        {
                $tree = $this->getOptions($a_id);
                if(isset($tree[0]) and is_array($tree[0]))
                {
                        return $tree[0];
                }
                return false;
        }
        
        public function fetchFirstNode()
        {
                return $this->fetchFirstNodeById(0);
        }
        
        public function fetchFirstDependenciesNode()
        {
                return $this->fetchFirstNodeById(-1);
        }
        
        public function dropFirstNodeById($a_id)
        {
                global $ilDB;
                
                if(!isset($this->options[$a_id]) or !is_array($this->options[$a_id]))
                {
                        return false;
                }
                
                $this->options[$a_id] = array_slice($this->options[$a_id],1);
                
                $ilDB->update('copy_wizard_options',array(
                        'options'       => array('clob',serialize($this->options[$a_id]))
                        ),array(
                        'copy_id'       => array('integer',$this->getCopyId()),
                        'source_id'     => array('integer',$a_id)));
                
                $this->read();
                // check for role_folder
                if(($node = $this->fetchFirstNodeById($a_id)) === false)
                {
                        return true;
                }
                if($node['type'] == 'rolf')
                {
                        $this->dropFirstNodeById($a_id);
                }
                return true;
        }
        
        public function dropFirstNode()
        {
                return $this->dropFirstNodeById(0);
        }
        
        public function dropFirstDependenciesNode()
        {
                return $this->dropFirstNodeById(-1);
        }
        
        public function getOptions($a_source_id)
        {
                if(isset($this->options[$a_source_id]) and is_array($this->options[$a_source_id]))
                {
                        return $this->options[$a_source_id];
                }
                return array();
        }
        
        public function addEntry($a_source_id,$a_options)
        {
                global $ilDB;

                if(!is_array($a_options))
                {
                        return false;
                }
                
                $query = "DELETE FROM copy_wizard_options ".
                        "WHERE copy_id = ".$this->db->quote($this->copy_id ,'integer')." ".
                        "AND source_id = ".$this->db->quote($a_source_id ,'integer');
                $res = $ilDB->manipulate($query);

                $ilDB->insert('copy_wizard_options',array(
                        'copy_id'       => array('integer',$this->copy_id),
                        'source_id'     => array('integer',$a_source_id),
                        'options'       => array('clob',serialize($a_options))
                ));
                return true;
        }
        
        public function appendMapping($a_source_id,$a_target_id)
        {
                global $ilDB;
                
                $query = "SELECT * FROM copy_wizard_options ".
                        "WHERE copy_id = ".$this->db->quote($this->copy_id ,'integer')." ".
                        "AND source_id = -2 ";
                $res = $this->db->query($query);
                $mappings = array();
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $mappings = unserialize($row->options);
                }
                $mappings[$a_source_id] = $a_target_id;
                
                $query = "DELETE FROM copy_wizard_options ".
                        "WHERE copy_id = ".$ilDB->quote($this->getCopyId(),'integer')." ".
                        "AND source_id = -2 ";
                $res = $ilDB->manipulate($query);
                
                
                $ilDB->insert('copy_wizard_options', array(
                        'copy_id'       => array('integer',$this->getCopyId()),
                        'source_id'     => array('integer',-2),
                        'options'       => array('clob',serialize($mappings))
                ));
                
                return true;                            
        }
        
        public function getMappings()
        {
                if(isset($this->options[-2]) and is_array($this->options[-2]))
                {
                        return $this->options[-2];
                }
                return array();
        }
        
        public function deleteAll()
        {
                global $ilDB;
                
                $query = "DELETE FROM copy_wizard_options ".
                        "WHERE copy_id = ".$this->db->quote($this->copy_id ,'integer');
                $res = $ilDB->manipulate($query);
        }
        
        public function read()
        {
                global $ilDB;
                
                $query = "SELECT * FROM copy_wizard_options ".
                        "WHERE copy_id = ".$this->db->quote($this->copy_id ,'integer');
                $res = $this->db->query($query);
                
                $this->options = array();
                while($row = $res->fetchRow(DB_FETCHMODE_OBJECT))
                {
                        $this->options[$row->source_id] = unserialize($row->options);
                }

                return true;
        }
        
        private function readTree($a_source_id)
        {
                global $tree;
                
                $this->tmp_tree[] = $tree->getNodeData($a_source_id);
                
                
                foreach($tree->getChilds($a_source_id) as $sub_nodes)
                {
                        $sub_node_ref_id = $sub_nodes['child'];
                        // check ommited, linked ...
                        $options = $this->options[$sub_node_ref_id];
                        if($options['type'] == self::COPY_WIZARD_COPY or
                                $options['type'] == self::COPY_WIZARD_LINK)
                        {
                                $this->readTree($sub_node_ref_id);
                        }
                }
        }
}


?>