class.ilECSCmsTreeCommandQueueHandler.php

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<?php

/* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */

include_once './Services/WebServices/ECS/interfaces/interface.ilECSCommandQueueHandler.php';

class ilECSCmsTreeCommandQueueHandler implements ilECSCommandQueueHandler
{
        private $server = null;
        private $mid = 0;
        
        
        public function __construct(ilECSSetting $server)
        {
                $this->server = $server;
                $this->init();
        }
        
        public function getServer()
        {
                return $this->server;
        }


        public function handleCreate(ilECSSetting $server, $a_content_id)
        {
                include_once './Services/WebServices/ECS/classes/Tree/class.ilECSCmsData.php';
                include_once './Services/WebServices/ECS/classes/Tree/class.ilECSCmsTree.php';
                include_once './Services/WebServices/ECS/classes/Tree/class.ilECSDirectoryTreeConnector.php';

                try 
                {
                        $dir_reader = new ilECSDirectoryTreeConnector($this->getServer());
                        $res = $dir_reader->getDirectoryTree($a_content_id);
                        $nodes = $res->getResult();
                }
                catch(ilECSConnectorException $e) 
                {
                        $GLOBALS['ilLog']->write(__METHOD__.': Tree creation failed  with mesage ' . $e->getMessage());
                        return false;
                }
                
                $cms_tree = $nodes;
                $data = new ilECSCmsData();
                $data->setServerId($server->getServerId());
                $data->setMid($this->mid);
                $data->setCmsId($cms_tree->rootID);
                $data->setTreeId($a_content_id);
                $data->setTitle($cms_tree->directoryTreeTitle);
                $data->setTerm($cms_tree->term);
                $data->save();

                $tree = new ilECSCmsTree($a_content_id);
                $tree->insertRootNode($a_content_id, $data->getObjId());
                $tree->setRootId($data->getObjId());
                
                
                foreach((array) $cms_tree->nodes as $node)
                {
                        // Add data entry
                        $data = new ilECSCmsData();
                        $data->setServerId($this->getServer()->getServerId());
                        $data->setMid($this->mid);
                        $data->setCmsId($node->id);
                        $data->setTreeId($a_content_id);
                        $data->setTitle($node->title);
                        $data->setTerm($node->term);
                        $data->save();

                        // add to tree
                        if($node->parent->id)
                        {
                                $parent_id = ilECSCmsData::lookupObjId(
                                        $this->getServer()->getServerId(),
                                        $this->mid,
                                        $a_content_id,
                                        $node->parent->id
                                );
                                $tree->insertNode($data->getObjId(), $parent_id);
                        }
                }
                return true;
        }

        public function handleDelete(ilECSSetting $server, $a_content_id)
        {
                include_once './Services/WebServices/ECS/classes/Tree/class.ilECSCmsData.php';
                $data = new ilECSCmsData();
                $data->setServerId($this->getServer()->getServerId());
                $data->setMid($this->mid);
                $data->setTreeId($a_content_id);
                $data->deleteTree();
                
                include_once './Services/WebServices/ECS/classes/Tree/class.ilECSCmsTree.php';
                $tree = new ilECSCmsTree($a_content_id);
                $tree->deleteTree($tree->getNodeData(ilECSCmsTree::lookupRootId($a_content_id)));
                
                include_once './Services/WebServices/ECS/classes/Mapping/class.ilECSNodeMappingAssignments.php';
                ilECSNodeMappingAssignments::deleteMappings(
                        $this->getServer()->getServerId(),
                        $this->mid,
                        $a_content_id
                );
                return true;
        }

        public function handleUpdate(ilECSSetting $server, $a_content_id)
        {
                // 1)  Mark all nodes as deleted
                // 2a) Delete cms tree
                // 2)  Add cms tree table entries
                // 2)  Replace the cms data table entries
                // 3)  Insert deleted tree nodes in tree
                // 4)  Sync tree
                
                try 
                {
                        include_once './Services/WebServices/ECS/classes/Tree/class.ilECSDirectoryTreeConnector.php';
                        $dir_reader = new ilECSDirectoryTreeConnector($this->getServer());
                        $res = $dir_reader->getDirectoryTree($a_content_id);
                        $nodes = $res->getResult();
                }
                catch(ilECSConnectorException $e) 
                {
                        $GLOBALS['ilLog']->write(__METHOD__.': Tree creation failed  with mesage ' . $e->getMessage());
                        return false;
                }
                
                // read old tree structure
                include_once './Services/WebServices/ECS/classes/Tree/class.ilECSCmsTree.php';
                $tree = new ilECSCmsTree($a_content_id);
                
                $root_node = $tree->getNodeData(ilECSCmsTree::lookupRootId($a_content_id));

                $old_nodes = array();
                if($root_node['child'])
                {
                        $old_nodes = $tree->getSubTree($root_node,true);
                }

                //$GLOBALS['ilLog']->write(__METHOD__.': OLD TREE DATA ........'.print_r($old_nodes,true));

                // Delete old cms tree
                ilECSCmsTree::deleteByTreeId($a_content_id);
                
                // Mark all nodes in cms data as deleted
           include_once './Services/WebServices/ECS/classes/Tree/class.ilECSCmsData.php';
           ilECSCmsData::writeAllDeleted(
                           $this->getServer()->getServerId(), 
                           $this->mid, 
                           $a_content_id, 
                           true
                );
           
                // Check for update or new entry
                $cms_tree = $nodes;

                $data_obj_id = ilECSCmsData::lookupObjId(
                                $this->getServer()->getServerId(),
                                $this->mid,
                                $a_content_id,
                                $cms_tree->rootID
                );
                
                $data = new ilECSCmsData($data_obj_id);
                $data->setServerId($server->getServerId());
                $data->setMid($this->mid);
                $data->setCmsId($cms_tree->rootID);
                $data->setTreeId($a_content_id);
                $data->setTitle($cms_tree->directoryTreeTitle);
                $data->setTerm($cms_tree->term);

                if($data_obj_id)
                {
                        $data->setDeleted(false);
                        $data->update();
                }
                else
                {
                        $data->save();
                }

                $tree->insertRootNode($a_content_id, $data->getObjId());
                $tree->setRootId($data->getObjId());
           
                
                foreach((array) $cms_tree->nodes as $node)
                {
                        $data_obj_id = ilECSCmsData::lookupObjId(
                                        $this->getServer()->getServerId(),
                                        $this->mid,
                                        $a_content_id,
                                        $node->id
                                );
                        
                        // update data entry
                        $data = new ilECSCmsData($data_obj_id);
                        $data->setTitle($node->title);
                        $data->setTerm($node->term);
                        $data->setDeleted(false);
                        
                        if($data_obj_id)
                        {
                                $data->update();
                        }
                        else
                        {
                                $data->setCmsId($node->id);
                                $data->setMid($this->mid);
                                $data->setServerId($this->getServer()->getServerId());
                                $data->setTreeId($a_content_id);
                                $data->setDeleted(false);
                                $data->save();
                                
                                $data_obj_id = $data->getObjId();
                        }
                        
                        // add to tree
                        $parent_id = ilECSCmsData::lookupObjId(
                                $this->getServer()->getServerId(),
                                $this->mid,
                                $a_content_id,
                                $node->parent->id
                        );
                        $tree->insertNode($data->getObjId(), $parent_id);
                }
                
                // Insert deleted nodes in tree
                $deleted = ilECSCmsData::findDeletedNodes(
                                $this->getServer()->getServerId(),
                                $this->mid,
                                $a_content_id
                );
                
                foreach((array) $deleted as $obj_id)
                {
                        $parent = 0;
                        foreach((array) $old_nodes as $tmp_id => $node)
                        {
                                
                                if($node['child'] == $obj_id)
                                {
                                        $parent = $node['parent'];
                                        break;
                                }
                        }
                        
                        if($tree->isInTree($parent) and $parent)
                        {
                                $tree->insertNode($obj_id, $parent);
                        }
                }
                
                // Sync tree
                include_once './Services/WebServices/ECS/classes/Tree/class.ilECSCmsTreeSynchronizer.php';
                $sync = new ilECSCmsTreeSynchronizer(
                                $this->getServer(),
                                $this->mid,
                                $a_content_id
                        );
                $sync->sync();
                
                return true;
        }
        
        private function init()
        {
                include_once './Services/WebServices/ECS/classes/class.ilECSParticipantSettings.php';
                $this->mid = ilECSParticipantSettings::loookupCmsMid($this->getServer()->getServerId());
        }
}
?>