<?php
class Admin_DataController extends Zend_Controller_Action 
{
    function preDispatch()
    {
    	$this->db=Zend_Registry::get('db');
    	$this->view->config = Zend_Registry::get('config');
    	$this->messenger=$this->_helper->getHelper('FlashMessenger');
    	$this->view->messages = $this->messenger->getMessages();
    }
    function postDispatch()
    {
    	$this->view->messages = $this->messenger->getMessages();
    }
    function indexAction()
    {
        //其他连接
    }

    //提供和GEONETWORK中的元数据的同步功能
    //提供双向同步功能，但只处理ISO 19115格式的元数据？
    function syncAction()
    {
    	$sql="select * from (select count(*) as westdccount from metadata) as t1,(select count(uuid) as gncount from geonetworkmetadata where schemaid='iso19115') as t2";
    	$this->db->setFetchMode(Zend_Db::FETCH_OBJ);
    	$this->view->mdcount=$this->db->fetchRow($sql);
    	$source=$this->_request->getParam('source');
    	$delete=$this->_request->getParam('delete');
    	$thumb=$this->_request->getParam('thumb');
    	$adminuser=$this->_request->getParam('adminuser');
    	$uuid=$this->_request->getParam('uuid');
		if ($this->_request->isPost()) $uuid=$this->_request->getPost('uuid');
    	//$uuid=$this->_request->getParam('uuid');
    	if ($source=="geonetwork" && empty($uuid) ) {
    		//从geonetwork向WESTDC同步
    		$sql="select uuid,data from geonetworkmetadata where schemaid='iso19115'";
    		$rs=$this->db->fetchAll($sql);
    		foreach($rs as $gmd) {
    			$this->import($gmd->data);	
    		}
    		$this->view->msg='成功同步元数据！';
    	} elseif (!empty($uuid)) {
    	  //同步单条元数据
    	  $sql=$this->db->quoteInto("select data from geonetworkmetadata where uuid=?",$uuid);
    	  if ($rs=$this->db->fetchRow($sql)) {
    	  	$this->import($rs->data);
	  		$this->view->msg='成功同步元数据：'.$uuid;
	  		} else $this->view->msg='不存在此元数据：'.$uuid;
    	} elseif ($delete=='westdc') {
    		$sql="delete from metadata where uuid not in (select uuid from geonetworkmetadata where schemaid='iso19115')";
    		$this->db->query($sql);
    		$this->view->msg='已删除WESTDC中多出的元数据！';
    	} elseif ($thumb=='geonetwork') {
    		$sql="select g.id as gid,m.uuid,t.* from thumbnail t left join metadata m on t.id=m.id left join geonetworkmetadata g on m.uuid=g.uuid where t.filetype is not null and t.filename is not null";
    		$rows=$this->db->fetchAll($sql);
    		foreach($rows as $row) {
    			$data=file_get_contents($this->view->config->geonetwork->url.'srv/cn/resources.get?access=public&id='.$row->gid.'&fname='.urlencode($row->filename));
    			$sql="update thumbnail set data=? where id=?";
    			$this->db->query($sql,array(base64_encode($data),$row->id));
    		}
    		$this->view->msg='已成功同步缩略图！';
    	} elseif ($adminuser=='geonetwork') {
    		$sql="select id,username,password,email from users where usertype='administrator'";
    		$rows=$this->db->fetchAll($sql);
    		foreach($rows as $row) {
    			$sql="select * from geonetworkusers where id=?";
    			$r=$this->db->fetchRow($sql,array($row->id));
    			if ($r) {
    				$sql="update geonetworkusers set username='$row->username',password='$row->password',email='$row->email' where id=$row->id";
    				$this->db->query($sql);
    			} else {
    				$sql="insert into geonetworkusers (id,username,password,email) values($row->id,'$row->username','$row->password','$row->email')";
    				$this->db->query($sql);
    			}
    		}
    		$this->view->msg='已成功同步管理员帐号！';
    	}  	  
    }
	//离线数据申请管理	
	function offlineappAction()
	{
		$view=(int)$this->_getParam('view');
		$start=(int)$this->_getParam('start');
		$finish=(int)$this->_getParam('finish');
		$cancel=(int)$this->_getParam('cancel');
		if ($view) {
			//查看此次申请的具体内容，包括指向的地址
		} elseif ($start) {
			$sql="update dataorder d set d.status=4  where d.status=3 and d.userid=?";
			$this->db->query($sql,array($start));
			//提示信息
			$this->messenger->addMessage('提示信息：该离线数据已经开始处理，请在处理完成后点击“完成”。');
			$this->_redirect('/admin/data/offline');
		} elseif ($finish) {
			$sql="begin;update dataorder d set d.status=5,d.ts_approved=now()  where d.status=4 and d.userid=?;";
			$sql.="update offlineapp set ts_approved=now() where userid=? and ts_approved is null;commit;";
			try {
				$this->db->query($sql,array($finish,$finish));
				$this->messenger->addMessage('提示信息：该离线数据已经开始处理，请在处理完成后点击“完成”。');
			} catch (Exception $e) { 	
				//提示信息
				$this->messenger->addMessage($e->getMessage());
				$this->messenger->addMessage('提示信息：该数据有可能还没有开始处理，请先开始。');
			}
			$this->_redirect('/admin/data/offline');
		} elseif ($cancel) {
			//取消＝删除？
			//需谨慎操作
			$sql="begin;update dataorder d set d.status=-1 where (d.status=3 or d.status=4) and d.userid=?;";
			$sql.="delete from offlineapp where id=?;commit;";
			//todo: 此处有问题，暂时跳过
		}
		
		$select=$this->db->select();
		$select->from('offlineapp')->where('ts_approved is null')->where('pdflink is not null')->order('id desc');
		$paginator = Zend_Paginator::factory($select);
		$paginator->setCurrentPageNumber($this->_getParam('page'));
		$paginator->setItemCountPerPage($this->view->config->page->max);
		$paginator->setView($this->view);
		Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination.phtml');
		$this->view->paginator=$paginator;
	}
	//离线数据服务记录	
	function offlineAction()
	{
		$add=(int)$this->_getParam('add');
		$edit=(int)$this->_getParam('edit');
		$delete=(int)$this->_getParam('delete');
		if ($add) {
			$form=new OfflinelogForm();
			$form->pdf->setDestination($this->view->config->offline->savepath);
			if ($this->_request->isPost()) {
				$formdata=$this->_request->getPost();
				if ($form->isValid($formdata)) {
					$uploadedData = $form->getValues();
					$pdf = basename($form->pdf->getFileName());
					$sql="insert into offlineapp (username,email,unit,phone,address,postcode,project,pdflink,datalist,ts_approved) values(?,?,?,?,?,?,?,?,?,?)";
					$this->db->query($sql,array($formdata['username'],$formdata['email'],$formdata['unit'],$formdata['phone'],$formdata['address'],$formdata['postcode'],$formdata['project'],$pdf,$formdata['datalist'],$formdata['ts_approved']));
					$this->messenger->addMessage('提示信息：您已经成功添加该离线服务记录。');
					$this->_redirect('/admin/data/offline');
				} else {
					$form->populate($formdata);
				}
			}
			$this->view->form=$form;
			$this->_helper->viewRenderer('offlineadd');
		} elseif ($edit){
			$form=new OfflinelogForm();
			$form->pdf->setRequired(false);
			if ($this->_request->isPost()) {
				$formdata=$this->_request->getPost();
				if ($form->isValid($formdata)) {
					$uploadedData = $form->getValues();
					$pdf = basename($form->pdf->getFileName());
					$sql="update offlineapp set username=?,email=?,unit=?,phone=?,address=?,postcode=?,project=?,";
					if ($form->pdf->isUploaded()) $sql.="pdflink=?,";
					$sql.="datalist=?,ts_approved=? where id=?";
					$param=array($formdata['username'],$formdata['email'],$formdata['unit'],$formdata['phone'],$formdata['address'],$formdata['postcode'],$formdata['project']);
					if ($form->pdf->isUploaded()) $param[]=$pdf;
					$param[]=$formdata['datalist'];
					$param[]=$formdata['ts_approved'];
					$param[]=$edit;
					$this->db->query($sql,$param);
					$this->messenger->addMessage('提示信息：您已经编辑添加该记录。');
					$this->_redirect('/admin/data/offline');
				} else {
					$form->populate($formdata);
				}
			} else {
				$sql="select * from offlineapp where id=?";
				$formdata=$this->db->fetchRow($sql,array($edit));				
				$form->submit->setLabel('保存');
				$form->populate($formdata);
			}
			$this->view->form=$form;
			$this->_helper->viewRenderer('offlineadd');
		
		} elseif ($delete) {
			$sql="delete from offlineapp where id=?";
			try {
				$this->db->query($sql,array($delete));
				$this->messenger->addMessage('提示信息：您已经成功删除该服务记录。');
			} catch (Exception $e) { 	
				$this->messenger->addMessage($e->getMessage());
			}
			$this->_redirect("/admin/data/offline");			
		}
		$select=$this->db->select();
		$select->from('offlineapp')->where('ts_approved is not null')->where('pdflink is not null')->order('id desc');
		$paginator = Zend_Paginator::factory($select);
		$paginator->setCurrentPageNumber($this->_getParam('page'));
		$paginator->setItemCountPerPage($this->view->config->page->max);
		$paginator->setView($this->view);
		Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination.phtml');
		$this->view->paginator=$paginator;
	}
	
	function datasetcdAction()
	{
		$add=(int)$this->_getParam('add');
		$edit=(int)$this->_getParam('edit');
		$delete=(int)$this->_getParam('delete');
		if ($add) {
			$form=new DatasetcdForm();
			$form->img->setRequired(true);
			$form->document->setRequired(true);
			if ($this->_request->isPost()) {
				$formdata=$this->_request->getPost();
				if ($form->isValid($formdata)) {
					$uploadedData = $form->getValues();
					$img = '/'.$form->img->getFileName();
					$document='/'.$form->document->getFileName();
					$sql="insert into datasetcd (title,size,url,img,document,descript) values(?,?,?,?,?,?)";
					$this->db->query($sql,array($formdata['title'],$formdata['size'],$formdata['url'],$img,$document,$formdata['descript']));
					$this->messenger->addMessage('提示信息：您已经成功添加该特色数据集。');
					$this->_redirect('/admin/data/datasetcd');
				} else {
					$form->populate($formdata);
				}
			}
			$this->view->form=$form;
			$this->_helper->viewRenderer('datasetcdadd');
		} elseif ($edit){
			$form=new DatasetcdForm();
			if ($this->_request->isPost()) {
				$formdata=$this->_request->getPost();
				if ($form->isValid($formdata)) {
					$uploadedData = $form->getValues();
					$img = '/'.$form->img->getFileName();
					$document='/'.$form->document->getFileName();
					$sql="update datasetcd set title=?,size=?,url=?,";
					if ($form->img->isUploaded()) $sql.="img=?,";
					if ($form->document->isUploaded()) $sql.="document=?,";
					$sql.="descript=? where id=?";
					$param=array($formdata['title'],$formdata['size'],$formdata['url']);
					if ($form->img->isUploaded()) $param[]=$img;
					if ($form->document->isUploaded()) $param[]=$document;
					$param[]=$formdata['descript'];
					$param[]=$edit;
					$this->db->query($sql,$param);
					$this->messenger->addMessage('提示信息：您已经编辑添加该特色数据集。');
					$this->_redirect('/admin/data/datasetcd');
				} else {
					$form->populate($formdata);
				}
			} else {
				$sql="select * from datasetcd where id=?";
				$formdata=$this->db->fetchRow($sql,array($edit));
				$form->populate($formdata);
			}
			$this->view->form=$form;
			$this->_helper->viewRenderer('datasetcdadd');
		
		} elseif ($delete) {
			$sql="delete from datasetcd where id=?";
			try {
				$this->db->query($sql,array($delete));
				$this->messenger->addMessage('提示信息：您已经成功删除该特色数据集。');
			} catch (Exception $e) { 	
				$this->messenger->addMessage($e->getMessage());
			}
			$this->_redirect("/admin/data/datasetcd");			
		}
		$select=$this->db->select();
		$select->from('datasetcd')->order('id desc');
		$paginator = Zend_Paginator::factory($select);
		$paginator->setCurrentPageNumber($this->_getParam('page'));
		$paginator->setItemCountPerPage($this->view->config->page->max);
		$paginator->setView($this->view);
		Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination.phtml');
		$this->view->paginator=$paginator;		
	}
	function mdAction()
	{
		$delete=(int)$this->_getParam('delete');
		if ($delete) 
		{
			$sql="delete from metadata where id=?";
			try {
				$this->db->query($sql,array($delete));
				$this->messenger->addMessage('提示信息：您已经成功删除该数据。');
			} catch (Exception $e) { 	
				$this->messenger->addMessage($e->getMessage());
			}
			$this->_redirect("/admin/data/md");				
		}
		$select=$this->db->select();
		$select->from('metadata')
				->joinLeft('mdstat','metadata.uuid=mdstat.uuid','viewed')
				->joinLeft('geonetworkmetadata','geonetworkmetadata.uuid=metadata.uuid','id as gid')
				->order('metadata.id desc');
		$paginator = Zend_Paginator::factory($select);
		$paginator->setCurrentPageNumber($this->_getParam('page'));
		$paginator->setItemCountPerPage($this->view->config->page->max);
		$paginator->setView($this->view);
		Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination.phtml');
		$this->view->paginator=$paginator;		

	}
	function commentAction()
	{
		$delete=(int)$this->_getParam('delete');
		if ($delete) 
		{
			$sql="delete from comments where id=?";
			try {
				$this->db->query($sql,array($delete));
				$this->messenger->addMessage('提示信息：您已经成功删除该评论。');
			} catch (Exception $e) { 	
				$this->messenger->addMessage($e->getMessage());
			}
			$this->_redirect("/admin/data/comment");				
		}
		$select=$this->db->select();
		$select->from('comments')
				->joinLeft('metadata','metadata.uuid=comments.uuid','title')
				->order('comments.uuid desc')
				->order('comments.id desc');
		$paginator = Zend_Paginator::factory($select);
		$paginator->setCurrentPageNumber($this->_getParam('page'));
		$paginator->setItemCountPerPage($this->view->config->page->max);
		$paginator->setView($this->view);
		Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination.phtml');
		$this->view->paginator=$paginator;		

	}
	function newsletterAction()
	{
		$form=new Zend_Form();
		$form->setName('newsletter');
		$form->setAttrib('enctype', 'multipart/form-data');
		$nlf=new Zend_Form_Element_File('nlf');
		$nlf->setLabel('数据通讯')
			->setRequired(true)
			->setDestination($this->view->config->paths->newsletter)
	      ->addValidator('Count', false, 1)     // ensure only 1 file
	      ->addValidator('Size', false, 2048000) // limit to 2M
	      ->addValidator('Extension', false, 'pdf'); // only JPEG, PNG, and GIFs	
		$submit = new Zend_Form_Element_Submit('submit');
		$form->addElements(array($nlf,$submit));
		if ($this->_request->isPost()) {
			$formdata=$this->_request->getPost();
			if ($form->isValid($formdata)) {
				$uploadedData = $form->getValues();
				//自动生成JPG文件
				$pdf = $form->nlf->getFileName();
				$img = new Imagick($pdf.'[0]');
				$img->thumbnailImage(200, 0);
				$img->writeImage($this->view->config->paths->newsletter.basename($pdf,'.pdf').'.jpg');
				$this->messenger->addMessage('提示信息：您已经成功添加该数据通讯。');
				$this->_redirect('/admin/data/newsletter');
			}
		}	
		$l=new mydir($this->view->config->paths->newsletter,"newsletter_*.pdf");	
		$this->view->newsletters=$l->toArray();
		$this->view->addHelperPath('helper','Zend_View_Helper_');
		rsort($this->view->newsletters);	
		$this->view->form=$form;
	}
	function featureAction()
	{
		$add=(int)$this->_getParam('add');
		$edit=(int)$this->_getParam('edit');
		$delete=(int)$this->_getParam('delete');
		if ($add) {
			$form=new DatafeatureForm();
			if ($this->_request->isPost()) {
				$formdata=$this->_request->getPost();
				if ($form->isValid($formdata)) {
					$uploadedData = $form->getValues();
					if (!$form->imgurl) {
						$imgurl = '/'.$form->img->getFileName();
					} else
						$imgurl=$form->imgurl;
					$sql="insert into datafeature (title,detailurl,imgurl,description) values(?,?,?,?)";
					$this->db->query($sql,array($formdata['title'],$formdata['detailurl'],$imgurl,$formdata['description']));
					$this->messenger->addMessage('提示信息：您已经成功添加该特色推荐。');
					$this->_redirect('/admin/data/feature');
				} else {
					$form->populate($formdata);
				}
			}
			$this->view->form=$form;
			$this->_helper->viewRenderer('featureadd');
		} elseif ($edit){
			$form=new DatafeatureForm();
			if ($this->_request->isPost()) {
				$formdata=$this->_request->getPost();
				if ($form->isValid($formdata)) {
					$uploadedData = $form->getValues();
					if (!$form->imgurl) {
						$imgurl = '/'.$form->img->getFileName();
					} else
						$imgurl=$form->imgurl;
					$sql="update datasetcd set title=?,detailurl=?,imgurl=?,descrition=? where id=?";
					$param=array($formdata['title'],$formdata['detailurl'],$formdata['imgurl'],$formdata['descript'],$edit);
					$this->db->query($sql,$param);
					$this->messenger->addMessage('提示信息：您已经编辑该特色推荐。');
					$this->_redirect('/admin/data/feature');
				} else {
					$form->populate($formdata);
				}
			} else {
				$sql="select * from datafeature where id=?";
				$formdata=$this->db->fetchRow($sql,array($edit));
				$form->populate($formdata);
			}
			$this->view->form=$form;
			$this->_helper->viewRenderer('featureadd');		
		} elseif ($delete) {
			$sql="delete from datafeature where id=?";
			try {
				$this->db->query($sql,array($delete));
				$this->messenger->addMessage('提示信息：您已经成功删除该特色推荐。');
			} catch (Exception $e) { 	
				$this->messenger->addMessage($e->getMessage());
			}
			$this->_redirect("/admin/data/feature");			
		}
		$select=$this->db->select();
		$select->from('datafeature')->order('id desc');
		$paginator = Zend_Paginator::factory($select);
		$paginator->setCurrentPageNumber($this->_getParam('page'));
		$paginator->setItemCountPerPage($this->view->config->page->max);
		$paginator->setView($this->view);
		Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination.phtml');
		$this->view->paginator=$paginator;			
	}    
    /*
    * 删除元数据，删除前有确认
    */
    function deleteAction()
    {
        if ($this->_request->isPost()) {
            $id = (int)$this->_request->getPost('id');
            $del = $this->_request->getPost('del');
            if ($del == 'Yes' && $id > 0) {
                $md = new MetadataTable();
                $where = 'id = ' . $id;
                $md->delete($where);
            }
            $this->_redirect('/data');
        } else {
            $id = (int)$this->_request->getParam('id');
            if ($id > 0) {
                $mdt = new MetadataTable();
                $this->view->md = $mdt->fetchRow('id='.$id);
            }
        }    
    }

    /*
    * 导入本地元数据
    */   
	function importAction()
	{
        $md=new MetadataTable();  
        $thumb=new ThumbnailTable();
        $xmlt=new XmlTable();
        $cgt=new CategoryTable();  
        $cgct=new CategoryCodeTable();
        $keyt=new KeywordTable();   
        $dst=new DatasetSeriesTable();
        $seriestable=new SeriesTable();
        if ($this->_request->isPost()) {
			foreach ($_FILES["xmlfile"]["error"] as $key => $error) {
				if ($error == UPLOAD_ERR_OK) {
					$tmp_name = $_FILES["xmlfile"]["tmp_name"][$key];
					$name = $_FILES["xmlfile"]["name"][$key];
					$fp = fopen($tmp_name, "rb");
					$xml=fread($fp, filesize($tmp_name));
					fclose($fp);
					$this->import($xml);
					//采用UUID为文件名？
					//move_uploaded_file($tmp_name, "../data/import/$name");
				}//end if
			}//foreach
            $this->_redirect('/metadata');
        } else {
        	//do nothing now.
        }	
	}
	/*
	* 批量处理元数据（元数据保存在服务器的一个目录上）
	*/
	function batchimportAction()
	{
        if ($this->_request->isPost()) {
            $dir = $this->_request->getPost('directory');
            $subdir = $this->_request->getPost('subdir');
            $l=new mydir($dir,"*.xml");
            $xmlfiles=$l->toArray();
            foreach($xmlfiles as $xmlfile)
            {
            	$fp=fopen($dir.'/'.$xmlfile,'rb');
            	$xml=fread($fp,filesize($dir.'/'.$xmlfile));
            	fclose($fp);
            	$this->import($xml);
            }
            $this->_redirect('/data');
        }	
	}
    /*
    * 保存XML数据到数据库
    */
	private function import($xml)
	{
		$iso=new ISO19115();
		$iso->loadXML($xml);
        $md=new MetadataTable();  
        $thumb=new ThumbnailTable();
        $xmlt=new XmlTable();
        $cgt=new CategoryTable();  
        $cgct=new CategoryCodeTable();
        $keyt=new KeywordTable();   
        $dst=new DatasetSeriesTable();
        $seriestable=new SeriesTable();
        $db=$seriestable->getAdapter();
      //save metadata
      //先删除已有元数据，然后再插入新数据
      $sql="delete from metadata where uuid=?";
      $this->db->query($sql,array($iso->uuid));
      $row=$md->createRow();
		$trow=$thumb->createRow();
		$row->uuid=$iso->uuid;
		$row->title=$iso->resTitle;
		$row->description=$iso->idAbs;
		$row->citation=$iso->citation;
		$row->fileformat=$iso->fileformat;
		$row->projection=$iso->projection;
		$row->author=$iso->author;
		$row->datatype=$iso->datatype;
		$row->filesize=$iso->filesize;
		$row->ts_created=$iso->mdDateSt;
		$row->timebegin=$iso->timebegin;
		$row->timeend=$iso->timeend;
		$row->west=$iso->geoBox['w'];
		$row->south=$iso->geoBox['s'];
		$row->north=$iso->geoBox['n'];
		$row->east=$iso->geoBox['e'];
		//生成空白统计数据
		$sql=$db->quoteInto("select * from mdstat where uuid=?",$iso->uuid);
		if (!$db->fetchRow($sql))
		{
			$sql="insert into mdstat (uuid) values(?)";
			$db->query($sql,array($iso->uuid));
		}
		try {
			$id=$row->save();
			//处理在线资源
			if ($iso->onlineresource) foreach($iso->onlineresource as $resource) 
			{
				$sql="insert into onlineresource (uuid,linkage,protocol,name,description) values(?,?,?,?,?)";
				$db->query($sql,array($iso->uuid,$resource['linkage'],$resource['protocol'],$resource['name'],$resource['description']));
			}
			//处理缩略图
			if (!empty($iso->thumbnail)) {
				$trow->id=$id;
				$trow->data=$iso->thumbnail;
				$trow->filetype='jpg';
				$trow->save();
			} elseif ($iso->graph) {
				$trow->id=$id;
				//$trow->data=$iso->graph['data'];
				$trow->filetype=$iso->graph['filetype'];
				$trow->filedesc=$iso->graph['filedesc'];
				$trow->filename=$iso->graph['filename'];
				$trow->save();
			}
			//todo:处理关键词
			//1:N relation
			foreach($iso->keyword as $keytype=>$keys)
			{
				foreach($keys as $key)
				{
					$row=$keyt->createRow();
					$row->id=$id;
					//统一转换为大写
					$row->keyword=strtoupper($key);
					$row->keytype=$keytype;
					$row->save();
				}
			}
			//todo:处理数据集序列
			//M:N relation			
			if ($iso->datasetSeries) foreach($iso->datasetSeries as $ds)
			{
				$where=$db->quoteInto('name = ?',$ds['seriesName']);
				$trow=$seriestable->fetchRow($where);
				if ($trow)
					$sid=$trow->id;
				else {
					$trow=$seriestable->createRow();
					$trow->name=$ds['seriesName'];
					$sid=$trow->save();
				}
				$row=$dst->createRow();
				$row->id=$id;
				$row->sid=$sid;
				$row->save();
			}
			//处理XML入库
			$row=$xmlt->createRow();
			$row->id=$id;
			$row->data=$xml;
			$row->save();
			//处理数据分类
			foreach($iso->tpCat as $cat){						
				if (is_numeric($cat)) {
					$row=$cgt->createRow();
					$row->id=$id;
					$row->code=(int)$cat;
					$row->save();
				} else {
					//是字符串，geonetwork会采用这种模式
					//从categorycode表中查找其对应的code
					$where=$db->quoteInto('name= ?',trim($cat));
					$trow=$cgct->fetchRow($where);
					if ($trow) {
						$row=$cgt->createRow();
						$row->id=$id;
						$row->code=$trow->code;
						$row->save();
					}
					//$db=$cgt->getAdapter();
					//$sql="insert into category (id,code) values($id,(select code from categorycode where name='$cat'))";
					//$db->query($sql);
				}
			}
			$iso->save("../data/import/$iso->uuid.xml");
		}  catch (Exception $e) {
			//数据重复插入，此处忽略所有错误
		}	
	} 	 	  	
}