<?php
class HeiheController extends DataController 
{
	private $limit=20;
	
	function preDispatch()
	{
    	parent::preDispatch();
    	$this->_helper->layout->setLayout('heihe');
		$this->debug = 1;
	}
		
	function indexAction()
	{
		$sql="select m.uuid,m.title,m.id,m.description from normalmetadata m left join thumbnail t on m.id=t.id where m.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  and length(t.data)>2 order by random() limit 3";
		$this->view->meatdata=$this->db->fetchAll($sql);
	}
	
	/*
    * 数据浏览
    */
	function browseAction()
	{
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$offset=$this->limit*($page-1);
    	$state=$this->db->query("select count(*) from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe') ");
    	$row=$state->fetchAll();
    	$sum=$row[0]['count'];
    	$select=$this->db->select();
    	$select->from('normalmetadata','*')->where(" uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe') ")->order('title desc')->limitPage($page,$this->limit);
    	$this->view->metadata = $this->db->fetchAll($select);
    	$this->view->page=new Pagination($sum,$page,$this->limit);
    	$this->view->offset=$offset+1; 
	}
    	
	function thumbAction()
	{
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$offset=$this->limit*($page-1);
    	$state=$this->db->query("select count(*) from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe') ");
    	$row=$state->fetchAll();
    	$sum=$row[0]['count'];
    	$select=$this->db->select();
    	$select->from('normalmetadata as m','m.*')
   	 	->where(" uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe') ")
   	 	->order('m.title desc')->limitPage($page,$this->limit);
    	$this->view->metadata = $this->db->fetchAll($select);
    	$this->view->page=new Pagination($sum,$page,$this->limit);
	}
	
	function documentAction()
	{
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$offset=$this->limit*($page-1);
    	$row=$this->db->fetchAll("select count(*) from reference where id in (select refid from mdref where uuid in (select uuid from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe') ))");
    	$sum=$row[0]['count'];
		$sql="select * from reference where id in (select refid from mdref where uuid in (select uuid from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe') )) order by reference limit ? offset ?";
		$this->view->refs=$this->db->fetchAll($sql,array($this->limit,$offset));
    	$this->view->page=new Pagination($sum,$page,$this->limit,"文献");
    	$this->view->offset=$offset+1; 	
	}
	
	function baseAction()
	{
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$offset=$this->limit*($page-1);
    	$state=$this->db->query("select count(*) from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  and id in (select id from keyword where keytype='theme' and (keyword='冰川' or keyword='沙漠' or keyword='地貌' or keyword='植被' or keyword='草场' or keyword='沙漠化' or keyword='基础地理' or keyword='遥感影像' or keyword='水文地质' or keyword='社会经济' or keyword='人口' or keyword='SWAT' or keyword='NPP' or keyword='WRF' or keyword='辐射' or keyword='NEP'))");
    	$row=$state->fetchAll();
    	$sum=$row[0]['count'];
		$sql="select uuid,title from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  and id in (select id from keyword where keytype='theme' and (keyword='冰川' or keyword='沙漠' or keyword='地貌' or keyword='植被' or keyword='草场' or keyword='沙漠化' or keyword='基础地理' or keyword='遥感影像' or keyword='水文地质' or keyword='社会经济' or keyword='人口' or keyword='SWAT' or keyword='NPP' or keyword='WRF' or keyword='辐射' or keyword='NEP')) order by timebegin,title limit ? offset ?";
		$this->view->metadata=$this->db->fetchAll($sql,array($this->limit,$offset));
    	$this->view->page=new Pagination($sum,$page,$this->limit);
    	$this->view->offset=$offset+1; 			
	}

	function geobaseAction()
	{
		$this->getmd('基础地理');
	}

	function coreAction()
	{
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$offset=$this->limit*($page-1);
    	$state=$this->db->query("select count(*) from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  and id in (select id from keyword where keytype='theme' and (keyword='DEM' or keyword='土地利用' or keyword='土壤' or keyword='气象' or keyword='水文观测' or keyword='灌溉' or keyword='试验'))");
    	$row=$state->fetchAll();
    	$sum=$row[0]['count'];
		$sql="select uuid,title from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  and id in (select id from keyword where keytype='theme' and (keyword='DEM' or keyword='土地利用' or keyword='土壤' or keyword='气象' or keyword='水文观测' or keyword='灌溉' or keyword='试验')) order by timebegin,title limit ? offset ?";
		$this->view->metadata=$this->db->fetchAll($sql,array($this->limit,$offset));
    	$this->view->page=new Pagination($sum,$page,$this->limit);
    	$this->view->offset=$offset+1; 	
	}
		
	function demAction()
	{
		$this->getmd('DEM');
	}
	
	function rsAction()
	{
		$this->getmd('遥感影像');
	}
	
	function waterAction()
	{
		$this->getmd('水文地质');
	}
	
	function modelAction()
	{
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$offset=$this->limit*($page-1);
    	$state=$this->db->query("select count(*) from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  and id in (select id from keyword where keytype='theme' and (keyword='WRF' or keyword='NPP' or keyword='SWAT' or keyword='NEP' or keyword='辐射'))");
    	$row=$state->fetchAll();
    	$sum=$row[0]['count'];
		$sql="select uuid,title from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  and id in (select id from keyword where keytype='theme' and (keyword='WRF' or keyword='NPP' or keyword='SWAT' or keyword='NEP' or keyword='辐射')) order by timebegin,title limit ? offset ?";
		$this->view->metadata=$this->db->fetchAll($sql,array($this->limit,$offset));
    	$this->view->page=new Pagination($sum,$page,$this->limit);
    	$this->view->offset=$offset+1; 	
	}
	
	function economicAction()
	{
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$offset=$this->limit*($page-1);
    	$state=$this->db->query("select count(*) from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  and id in (select id from keyword where keytype='theme' and (keyword='人口' or keyword='社会经济'))");
    	$row=$state->fetchAll();
    	$sum=$row[0]['count'];
		$sql="select uuid,title from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  and id in (select id from keyword where keytype='theme' and (keyword='人口' or keyword='社会经济')) order by timebegin,title limit ? offset ?";
		$this->view->metadata=$this->db->fetchAll($sql,array($this->limit,$offset));
    	$this->view->page=new Pagination($sum,$page,$this->limit);
    	$this->view->offset=$offset+1; 
	}
	
	function landsurfaceAction()
	{
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$offset=$this->limit*($page-1);
    	$state=$this->db->query("select count(*) from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  and id in (select id from keyword where keytype='theme' and (keyword='冰川' or keyword='沙漠' or keyword='地貌' or keyword='植被' or keyword='草场' or keyword='沙漠化'))");
    	$row=$state->fetchAll();
    	$sum=$row[0]['count'];
		$sql="select uuid,title from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  and id in (select id from keyword where keytype='theme' and (keyword='冰川' or keyword='沙漠' or keyword='地貌' or keyword='植被' or keyword='草场' or keyword='沙漠化')) order by timebegin,title limit ? offset ?";
		$this->view->metadata=$this->db->fetchAll($sql,array($this->limit,$offset));
    	$this->view->page=new Pagination($sum,$page,$this->limit);
    	$this->view->offset=$offset+1; 	
	}
	
	function landuseAction()
	{
		$this->getmd('土地利用','theme');
	}

	function soilAction()
	{
		$this->getmd('土壤','theme');
	}

	function meteoAction()
	{
		$this->getmd('气象','theme');
	}

	function hydroAction()
	{
		$this->getmd('水文观测','theme');
	}
	function irragationAction()
	{
		$this->getmd('灌溉','theme');
	}
	
	function obsAction()
	{
		$this->getmd('试验','theme');
	}

	function listAction()
	{
		$sql="select uuid,title from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  order by timebegin,title";
		$this->view->metadata=$this->db->fetchAll($sql);
	}

   function tagAction()
   {
    	$key = $this->_request->getParam('key');
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$offset=$this->limit*($page-1);
    	if (!empty($key)) {
    		$this->view->codename=$key;
    		$sql=$this->db->quoteInto('select count(id) from keyword where keyword=?',$key);
    		$state=$this->db->query($sql);
    		$row=$state->fetchAll();
			$sum=$row[0]['count'];
			$sql="select uuid,title,id,description from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  and id in (select id from keyword where keyword='".$key."') order by timebegin,title limit ? offset ?";
			$this->view->metadata=$this->db->fetchAll($sql,array($this->limit,$offset));
    		$this->view->page=new Pagination($sum,$page,$this->limit);
    	} else {
    		$state=$this->db->query("select keyword.keyword,count(*) from keyword left join normalmetadata m on keyword.id=m.id where keyword.keytype='place' and m.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  group by keyword.keyword order by count desc");    	
    		$k1=$state->fetchAll();
    		$state=$this->db->query("select k.keyword,count(k.keyword) from keyword k left join normalmetadata m on k.id=m.id where k.keytype='theme' and m.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')   group by k.keyword order by k.keyword");
    		$k2=$state->fetchAll();
    		$state=$this->db->query("select k.keyword,count(k.keyword) from keyword k left join normalmetadata m on k.id=m.id where k.keytype='discipline' and m.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')   group by k.keyword order by k.keyword");
    		$k3=$state->fetchAll();
    		$state=$this->db->query("select k.keyword,count(k.keyword) from keyword k left join normalmetadata m on k.id=m.id where k.keytype='stratum' and m.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')   group by k.keyword order by k.keyword");
    		$k4=$state->fetchAll();
    		$state=$this->db->query("select keyword.keyword,count(*) from keyword left join normalmetadata m on keyword.id=m.id where keyword.keytype='temporal' and m.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  group by keyword.keyword order by keyword.keyword");
    		$k5=$state->fetchAll();
    		$this->view->keywords=array('place'=>$k1,'theme'=>$k2,'discipline'=>$k3,'stratum'=>$k4,'temporal'=>$k5);    	
    	}
   }

   function searchAction()
   {
		$this->view->addHelperPath('helper','Zend_View_Helper_');
    	$form=new SearchForm();
    	$this->view->form=$form;
    	//$form->submit->setLabel('快速搜索');
    	$key=$this->_request->getParam('q');
    	if (!empty($key)) {
    		$search=new Search($key);
    		$where=$search->sql_expr(array("title","description"));
    		$page=@(int)$this->_request->getParam('page');
    		if (empty($page)) $page=1;
    		$offset=$this->limit*($page-1);
    		$row=$this->db->fetchAll("select count(*) from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  and ".$where);
    		$sum=$row[0]['count'];
    		$sql="select uuid,title,id,description from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe')  and ".$where." order by timebegin,title limit ? offset ?";
			$this->view->metadata=$this->db->fetchAll($sql,array($this->limit,$offset));
    		$this->view->page=new Pagination($sum,$page,$this->limit);
    		$this->view->key=$key;
    		$this->view->offset=$offset+1;    
    	}
   }

	function timemapAction()
	{
    	$sql="select id,uuid,west,south,north,east,title,timebegin,timeend from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe') and timebegin is not null";
    	$this->view->rows=$this->db->fetchAll($sql);
	}
    
   function timelineAction()
   {
    	$fn="heihetime.xml";
    	$rows=$this->db->fetchAll("select ts_created from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe') order by ts_created desc limit 1");
    	$last_update=strtotime($rows[0]['ts_created']);
    	if (!file_exists($fn) || (filemtime($fn)<$last_update))
    	{ 
	    	$dateformat="M j Y";
   	 	$rows=$this->db->fetchAll("select id,uuid,description,title,timebegin,timeend from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe') and timebegin is not null order by timebegin,title");
    		$timexml='<data>';
    		foreach($rows as $row) {
    			$timexml.='<event start="'.date($dateformat,strtotime($row['timebegin'])).' GMT+0800" ';
    			if ($row['timeend']!='' && $row['timeend']!=$row['timebegin']) $timexml.=' end="'.date($dateformat,strtotime($row['timeend'])).'" isDuration="true"';    		
    			$timexml.= ' title="'.htmlspecialchars($row['title']).'" image="/images/westdc_40w.gif" link="/heihe/view/uuid/'.$row['uuid'].'">';
    			$desc_length=mb_strlen($row['description'],"UTF-8");
    			$desc=mb_substr($row['description'],0,($desc_length>300)?300:$desc_length,"UTF-8");
    			if ($desc_length>300) $desc.=" ...";
    			$timexml.=htmlspecialchars($desc);
    			$timexml.="</event>\n";
    		}    		
    		$timexml.='</data>';
    		$fp=fopen($fn,'w');
    		fwrite($fp,$timexml);
    		fclose($fp);
    	}
   }

	function categoryAction()
   {
		$code = (int)$this->_request->getParam('code');
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$offset=$this->limit*($page-1);
    	$this->view->category=$this->db->fetchAll("select c.code,name,name_zh,count(*) from category c left join normalmetadata m on c.id=m.id,categorycode cc where c.code=cc.code and  m.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe') group by c.code,cc.name,cc.name_zh");
    	if ($code>0 && $code<20) {
			$row=$this->db->fetchAll("select count(*) from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe') and id in (select id from category where code=".$code.")");
			$sum=$row[0]['count'];
			$sql="select uuid,title,description,id from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe') and id in (select distinct id from category where code=".$code.") order by timebegin,title limit ? offset ?";
			$this->view->metadata=$this->db->fetchAll($sql,array($this->limit,$offset));
    		$this->view->page=new Pagination($sum,$page,$this->limit);
    		$this->view->offset=$offset+1; 
    		$row=$this->db->fetchRow("select name,name_zh from categorycode where code=?",$code);
    		$this->view->codename=(empty($row['name_zh'])?$row['name']:$row['name_zh']);
    	} else {
    		//提供全部分类列表
    	}
    }
    
	private function getmd($keyword,$type='theme')
	{
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$offset=$this->limit*($page-1);
    	$state=$this->db->query("select count(m.*) from normalmetadata m left join datasource d on m.uuid=d.uuid left join source s on d.sourceid=s.id where s.code='heihe' and m.id in (select id from keyword where keytype='".$type."' and keyword='".$keyword."')");
    	$row=$state->fetchAll();
    	$sum=$row[0]['count'];
    	//@todo: add order with title
		$sql="select uuid,title from normalmetadata where uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='heihe') and id in (select id from keyword where keytype='".$type."' and keyword='".$keyword."') order by timebegin,title limit ? offset ?";
		$this->view->metadata=$this->db->fetchAll($sql,array($this->limit,$offset));
    	$this->view->page=new Pagination($sum,$page,$this->limit);
    	$this->view->offset=$offset+1; 
	}
	
	/*
	* submitAction() //数据汇交
	*
	* param string $ac		//动作
	* param int $id			//数据模版ID
	* param int $group		//geonetwork页面跳转参数
	*
	* return view
	*/
	function submitAction(){
		
		$ac = $this->_getParam('ac');
		$id = $this->_request->getParam('id');
		$this->wdb=Zend_Db::factory($this->view->config->geonetwork);
	   
		$auth = Zend_Auth::getInstance();
		if($auth->hasIdentity())
		{
			$user = $auth->getIdentity();
			$u_id = $user->id;
			$this->view->isadmin=false;
			if ($user->usertype=='administrator') $this->view->isadmin=true;
		}
		
		if(empty($ac) || $ac == "index")
		{
			$this->_helper->viewRenderer('submit-index');
			return true;
		}
		
		//新建元数据
		if($ac == "newdata")
		{
			
			$do = $this->_getParam('do');
			
			if(empty($do))
			{
				$this->_helper->viewRenderer('submit-newdata');
	
				$keywords = $this->_request->getParam('q');
				$sql="select id,(regexp_matches(data,'<resTitle>(.*)</resTitle>'))[1] as title,(owner-".$u_id.") as isowner from metadata where istemplate='y' and schemaid='iso19115'";
				if(!empty($keywords))
				{
					$this->view->q = $keywords;
					$search=new Search($keywords);
					$where=$search->sql_expr(array("data"));
					$sql.=' and '.$where;
				}
				$sql.=" order by changedate desc";
				$sth = $this->wdb->prepare($sql);
				$sth->execute();
				$rows = $sth->fetchAll();
			
				$paginator = Zend_Paginator::factory($rows);
				$paginator->setCurrentPageNumber($this->_getParam('page'));
				$paginator->setItemCountPerPage(10);
				$paginator->setView($this->view);
				Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination_param.phtml');
				$this->view->paginator=$paginator;
				
				return true;
			}
			
			if($do == "add")
			{
				$this->_helper->viewRenderer('submit-newdata-add');
				$this->view->pageNav = "newdata-add";
				
				$keywords = $this->_request->getParam('q');
				$sql = "SELECT md.title,md.uuid,md.description,gn.id as gid FROM normalmetadata md 
						left join geonetworkmetadata gn on md.uuid=gn.uuid
						WHERE gn.id is not null";
				if(!empty($keywords))
				{
					$this->view->q = $keywords;
					$search=new Search($keywords);
					$where=$search->sql_expr(array("md.title","md.description"));
					$sql.=' and '.$where;
				}
				$sql.=" order by md.ts_created desc";
				$sth = $this->db->prepare($sql);
				$sth->execute();
				$rows = $sth->fetchAll();
			
				$paginator = Zend_Paginator::factory($rows);
				$paginator->setCurrentPageNumber($this->_getParam('page'));
				$paginator->setItemCountPerPage(10);
				$paginator->setView($this->view);
				Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination_param.phtml');
				$this->view->paginator=$paginator;
				
				return true;
			}
			return true;
		}//newdata
		
		//未提交数据
		if($ac == "unsubmit")
		{
			$do = $this->_getParam('do');
			
			//未提交的数据列表
			if(empty($do) || $do=="index")
			{
				$this->_helper->viewRenderer('submit-unsubmit');
				
				$sql = "SELECT (regexp_matches(gn.data,'<resTitle>(.*)</resTitle>'))[1] as title,gn.id,gn.uuid FROM geonetworkmetadata gn
						WHERE gn.uuid not in (select uuid from metadata) and gn.owner=?
						order by gn.id desc
						";
				$sth = $this->db->prepare($sql);
				$sth->execute(array($u_id));
				$rows = $sth->fetchAll();
				
				$paginator = Zend_Paginator::factory($rows);
				$paginator->setCurrentPageNumber($this->_getParam('page'));
				$paginator->setItemCountPerPage(15);
				$paginator->setView($this->view);
				Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination_param.phtml');
				$this->view->paginator=$paginator;
				
				return true;
			}//index
			
			//提交
			if($do=="commit")
			{
				$this->_helper->layout->disableLayout();
				$this->_helper->viewRenderer->setNoRender();
			   
				$data = "";
				try{
					$id = $this->_request->getParam('id');
					if(empty($id) || !is_numeric($id))
					{
						$data = array("error"=>"参数错误");
						$this->jsonexit($data);
						return true;
					}
				   
					$changelog = $this->_request->getParam('changelog');
					
					if(empty($changelog))
					{
						$data = array("error"=>'请输入变更信息');
						$this->jsonexit($data);
						return true;
					}
								
					// 1. 权限认定：当前用户必须和其owner相同
					// 数据应当没有评审状态，没有作者信息
					$sql="select gn.id from geonetworkmetadata gn
						left join mdstatus s on gn.uuid=s.uuid
						left join mdauthor a on s.uuid=a.uuid
						where s.id is not null and a.id is not null and gn.id=?";
					$sth=$this->db->prepare($sql);
					$sth->execute(array($id));
					$row=$sth->fetch();
					if (!empty($row))
					{
						$data = array("error"=>'错误的入口');
						$this->jsonexit($data);
						return true;
					}
					
					$sql="select uuid,data as xml from metadata where id=? and owner=?";
					$sth=$this->wdb->prepare($sql);
					$sth->execute(array($id,$u_id));
					$row=$sth->fetch();
					if (empty($row))
					{
						$data = array("error"=>'无权限修改数据');
						$this->jsonexit($data);
						return true;
					}else{
						$uuid = $row['uuid'];
					}
					
					$messages = array();
					
					// 保存数据作者信息
					$sql="insert into mdauthor (uuid,userid,ts_activated,status) values(?,?,now(),1)";
					$sth=$this->db->query($sql,array($row['uuid'],$u_id));
					
					// 2. 保存变化记录 save changelog & userid for the latest version
					$sql = "UPDATE mdversion SET changelog=?,userid=? WHERE id in (select id from mdversion where uuid=? order by ts_created desc limit 1)";
					$this->db->query($sql,array($changelog,$u_id,$row['uuid']));
					
					// 处理文件权限和数据信息
					$ftp_user = "heihe".$u_id."upload";
					$sql = "SELECT * FROM pureftp WHERE userid=? AND homedir LIKE ?";
					$sth = $this->db->prepare($sql);
					$sth->execute(array($ftp_user,'%'.$uuid.'%'));
					$row1 = $sth->fetch();
					
					if(!empty($row1['passwd']))
					{
						$old=umask(0);
						$this->chmodr($row1['homedir'],0444);
						umask($old);
					}
					
					$path = $row1['homedir'];
					
					//delete dataset & datafile records
					$sql="delete from dataset where uuid=?";
					$sth = $this->db->prepare($sql);
					$sth->execute(array($uuid));
					//自动添加数据分类为黑河
					$sql="insert into datasource (uuid,sourceid) values(?,1)";
					$sth=$this->db->prepare($sql);
					try{$sth->execute(array($uuid));}catch(Exception $e) {}
					
					$sql = "INSERT INTO dataset (uuid,path) VALUES (?,?) RETURNING id";
					$sth = $this->db->prepare($sql);
					$rs  = $sth->execute(array($uuid,$path));
					
					if(!$rs)
					{
						$messages[] = "元数据信息写入失败";
						/*
						$data = array("error"=>'元数据信息写入失败');
						$this->jsonexit($data);
						return true;
						*/
					}
					
					$temp = $sth->fetch(PDO::FETCH_ASSOC);
					
					$dsid = $temp['id'];
					
					$dir = new mydir();
					$files=$dir->recursive($path);
					
					foreach ($files as $k=>$v)
					{
						//$pathinfo = pathinfo($path.$v);
						$filename = mb_substr($v,mb_strlen($path)+1);
						$filesize = filesize($v);
						$isdir=is_dir($v)?1:0;
						$depth=substr_count($filename,"/")+1;
						if (substr($filename,-1,1)=='/') $depth--;
						//$this->chmodr($path.$v,0444);
						$sql = "INSERT INTO datafile (dsid,filename,filesize,isdir,depth) VALUES (?,?,?,?,?)";
						$sth = $this->db->prepare($sql);
						$rs = $sth->execute(array($dsid,$filename,$filesize,$isdir,$depth));
						if(!$rs)
						{
							$messages[] = "数据文件".$filename.'写入失败';
						}
					}
					
	
					// 3. 保存数据评审状态
					//导入元数据
					$iso=new ISO19115();
					$iso->saveDB($this->db,$row['xml']);
					//进入评审库
					$sql="insert into mdstatus (uuid,status,userid) values(?,?,?)";
					$this->db->query($sql,array($uuid,0,$u_id));
							
					//email to admin
					$mail=new WestdcMailer($this->view->config->smtp);
					$mail->setFrom($this->view->config->service->email,'数据服务组');
					$mailtp=new EmailText($this->db,"metadata-new-admin",array(
										'user' => $user->username,
										'uuid' => $iso->uuid,
										'email'=> $user->email,
										//元数据标题
										'title'=> $iso->resTitle,
										));
					$mail->setBodyText($mailtp->getBody());
					$mail->setSubject($mailtp->getSubject());
					$mail->addTo($this->view->config->service->email);
					$mail->send();
									
					unset($mail);
					unset($mailtp);
					//email to author
					$mail=new WestdcMailer($this->view->config->smtp);
					$mail->setFrom($this->view->config->service->email,'数据服务组');
					$mailtp=new EmailText($this->db,"metadata-new-author",array(
										'user' => $user->username,
										'uuid' => $iso->uuid,
										'email'=> $user->email,
										//元数据标题
										'title'=> $iso->resTitle,
										));
					$mail->setBodyText($mailtp->getBody());
					$mail->setSubject($mailtp->getSubject());
					$mail->addTo($user->email);
					$mail->addCc($this->view->config->service->email);
					@$mail->send();
						
					$data = array("commited"=>1,"error"=>'该版本已经成功提交，请等待数据中心进一步处理!');
					$this->jsonexit($data);
					return true;			
				}catch(Exception $e) {
				   $msg = "提交失败，请确认权限后重试";
				   if($this->debug>0)
				   {$msg .= $e->getMessage();}
				   $data = array("error"=>$msg);
				   $this->jsonexit($data);
				   return true;
				}
			}//commit
			
			return true;
		}//unsubmit
		
		//FTP
		if($ac == "ftp")
		{
			$this->_helper->layout->disableLayout();
			$this->_helper->viewRenderer->setNoRender();
		
			$uuid = $this->_getParam('uuid');
			
			$this->view->uuid = $uuid;
			
			if(empty($uuid) || !preg_match("/^[0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12}$/",$uuid))
			{
				$data = array(
					'error'=>"参数错误"
				);
				$this->jsonexit($data);
				return true;
			}
			
			//ftp 用户名
			$uname = 'heihe'.$u_id.'upload';
			
			//ftp路径
			$homedir = "/var/www/westdc.westgis.ac.cn/data/heihe_upload/".$uuid."/";
			
			$sql = "SELECT * FROM pureftp WHERE userid='$uname' ORDER BY pkid DESC";
			$sth = $this->db->prepare($sql);
			$sth->execute();
			$row = $sth->fetch();

			$old=umask(0);
			@mkdir($homedir,0777);
			umask($old);
			
			if(!empty($row['pkid']))
			{
				if(preg_match("/.*".$uuid.".*/",$row['homedir']))
				{
					$data = array(
						'statu'=>1,
						'user'=>$row['userid'],
						'passwd'=>$row['passwd']
					);
					
					$this->jsonexit($data);
					return true;
					
				}else{
					$uid = 1001;
					$gid = 1001;
					
					$passwd = $this->genRandomString(16);
					$sql = "UPDATE pureftp SET passwd=?,uid=?,gid=?,homedir=? WHERE userid=?";
					$sth = $this->db->prepare($sql);
					$rs = $sth->execute(array($passwd,$uid,$gid,$homedir,$uname));
					if($rs)
					{
						$data = array(
							'statu'=>1,
							'user'=>$uname,
							'passwd'=>$passwd
						);
						$this->jsonexit($data);
						return true;
					}else{
						$data = array(
							'error'=>"FTP信息更新失败，请重试"
						);
						$this->jsonexit($data);
						return true;
					}
				}
			}
			
			else{
				$uid = 1001;
				$gid = 1001;
				$passwd = $this->genRandomString(16);
				
				$sql = "INSERT INTO pureftp (userid,passwd,uid,gid,homedir) VALUES (?,?,?,?,?)";
				$sth = $this->db->prepare($sql);
				$rs = $sth->execute(array($uname,$passwd,$uid,$gid,$homedir));
				if($rs)
				{
					$data = array(
						'statu'=>1,
						'user'=>$uname,
						'passwd'=>$passwd
					);
					$this->jsonexit($data);
					return true;
				}else{
					$data = array(
						'error'=>"FTP信息更新失败，请重试"
					);
					$this->jsonexit($data);
					return true;
				}
			}//end if
			
		}//ftp
		
	}//function submitAction()
	
	function genRandomString($len)
	{
		$chars = array(
			"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k",  
			"l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v",  
			"w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G",  
			"H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R",  
			"S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2",  
			"3", "4", "5", "6", "7", "8", "9"
		);
		$charsLen = count($chars) - 1;
	 
		shuffle($chars);    // 将数组打乱
		 
		$output = "";
		for ($i=0; $i<$len; $i++)
		{
			$output .= $chars[mt_rand(0, $charsLen)];
		}
		return $output;
	}
	
	function chmodr($path, $filemode) {
		if (!is_dir($path))
		return chmod($path, $filemode);
		
		$dh = opendir($path);
		while (($file = readdir($dh)) !== false) {
			if($file != '.' && $file != '..') {
				$fullpath = $path.'/'.$file;
					if(is_link($fullpath))
					return FALSE;
					elseif(!is_dir($fullpath) && !chmod($fullpath, $filemode))
					return FALSE;
					elseif(!$this->chmodr($fullpath, $filemode))
				return FALSE;
			}
		}
		closedir($dh);
		if(chmod($path, $filemode))
		return TRUE;
		else
		return FALSE;
	}
	
	//成为作者后的后继处理工作
	private function author_first($uuid,$author)
	{
		$sql="insert into mdversion (xml,ts_created,uuid,changelog,userid) 
			select x.data,m.ts_created,?,?,? from metadata m left join xml x on m.id=x.id
			left join mdversion v on m.uuid=v.uuid
			where m.uuid=? and v.changelog is null";
		$sth=$this->db->prepare($sql);
		try
		{
			$sth->execute(array($uuid,'初始版本 version 1.0',$author,$uuid));
		} catch(Exception $e){
			// do nothing here.
			// 说明之前已经有对应数据
		}
		$this->wdb=Zend_Db::factory($this->view->config->geonetwork);
		$sql="update metadata set owner=? where uuid=?";
		$sth=$this->wdb->prepare($sql);
		$sth->execute(array($author,$uuid));
	} 
	
}