<?php
class HiwaterController extends DataController 
{
	private $limit=20;
	
	function preDispatch()
	{
    	parent::preDispatch();
    	//$this->_helper->layout->setLayout('hiwater');
		$this->debug = 1;
		$acName = $this->_request->getActionName();
		if(in_array($acName,array("dem","landuse","core","bdk","eb")))
		{
			$this->view->pageIn = "collapse1";
		}
		if(in_array($acName,array("forest","dyk","plg")))
		{
			$this->view->pageIn = "collapse2";
		}
		if(in_array($acName,array("arid","hzz","yk",'zy','zynoc','lzg','lzs')))
		{
			$this->view->pageIn = "collapse3";
		}
		if(in_array($acName,array("meteo","autometeo","mobilemeteo","ec",'las','normalmeteo','regionalmeteo','doppler','hydro','airsounding')))
		{
			$this->view->pageIn = "collapse4";
		}
		if(in_array($acName,array("radiometer","airebone","lidar","widas",'asd')))
		{
			$this->view->pageIn = "collapse5";
		}
		if(in_array($acName,array("satellite")))
		{
			$this->view->pageIn = "collapse6";
		}
		$this->view->pageID = "hiwater-".$acName;
	}
		
	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='hiwater')  and length(t.data)>2 order by random() limit 3";
		$this->view->meatdata=$this->db->fetchAll($sql);
		$archive = new Archive($this->db);
		$this->view->info = $archive->getOneArchive('HiWATER：黑河流域生态-水文过程综合遥感观测联合试验','about');
	}
	
	/*
    * 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='hiwater') ");
    	$row=$state->fetchAll();
    	$sum=$row[0]['count'];
    	$select=$this->db->select();
    	$select->from('normalmetadata','*')->where(" uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='hiwater') ")->order('title desc')->limitPage($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='hiwater') ");
    	$row=$state->fetchAll();
    	$sum=$row[0]['count'];
    	$select=$this->db->select();
    	$select->from('normalmetadata as m','m.*')
   	 	->where(" uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='hiwater') ")
   	 	->order('m.title desc')->limitPage($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='hiwater') ))");
    	$sum=$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='hiwater') )) 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='hiwater')  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='hiwater')  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='hiwater')  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='hiwater')  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='hiwater')  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='hiwater')  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='hiwater')  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='hiwater')  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='hiwater')  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='hiwater')  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='hiwater')  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'];
			$sql="select uuid,title,id,description from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='hiwater')  and id in (select id from keyword where keyword='".$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='hiwater')  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='hiwater')   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='hiwater')   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='hiwater')   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='hiwater')  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='hiwater')  and ".$where);
    		$sum=$row[0]['count'];
    		$sql="select uuid,title,id,description from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='hiwater')  and ".$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='hiwater') 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='hiwater') 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='hiwater') 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="/hiwater/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='hiwater') 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='hiwater') and id in (select id from category where code=".$code.")");
			$sum=$row[0]['count'];
			$sql="select uuid,title,description,id from normalmetadata where  uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='hiwater') and id in (select distinct id from category where code=".$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='hiwater' 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
		$sql="select uuid,title from normalmetadata where uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='hiwater') and id in (select id from keyword where keytype='".$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; 
	}
	
	
	/*
	* projectsAction() 数据汇交计划
	* 
	*
	*
	*
	*/
	function projectsAction()
	{
		
		$ac = $this->_getParam('ac');
		$invite = $this->_getParam('invite');
		
		$auth = Zend_Auth::getInstance();
		if($auth->hasIdentity())
		{
			$user = $auth->getIdentity();
			$uid = $user->id;
			$this->view->user_email = $user_email = $user->email;
		}
		
		if(empty($ac) || $ac == "index")
		{
			$this->_helper->viewRenderer('project-index');
			
			//Search Link
			$this->view->searchLink = "/heihe/projects/ac/index/";
			
			$q = $this->_getParam('q');
			
			$wheresql = array();

			if(!empty($q))
			{
				if(!preg_match("/^[\x{4e00}-\x{9fa5}A-Za-z0-9_]+$/u",$q))
				{
					$this->view->error = "输入的搜索条件有误，只允许输入汉字、数字、字母";
					return true;
				}
				$wheresql[] = " (title LIKE '%$q%' OR 
								 code LIKE '%$q%' OR 
								 name LIKE '%$q%')";
				$this->view->searchKeyword = $q;
			}
			
			if(count($wheresql)>0)
			{
				$wheresql = join(" AND ",$wheresql);
			}else{
				$wheresql = "";
			}
			
			if(!empty($wheresql))
			{
				$wheresql = " WHERE ".$wheresql;
			}
			
			$sql = "SELECT * FROM heiheproject $wheresql
					ORDER BY id DESC";
			$sth = $this->db->query($sql);
			$rows = $sth->fetchAll();
			
			foreach ($rows as $k=>$v)
			{
				$rows[$k]['status'] = $this->replacestatus($v['status']);
			}
			
			$paginator = Zend_Paginator::factory($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;
			
		}//ac == index 
		
		if($ac == "submitting")
		{
			$this->_helper->viewRenderer('project-index');
			
			$sql = "SELECT * FROM heiheproject WHERE status<4";
			$sth = $this->db->query($sql);
			$rows = $sth->fetchAll();
			
			foreach ($rows as $k=>$v)
			{
				$rows[$k]['status'] = $this->replacestatus($v['status']);
			}
			
			$paginator = Zend_Paginator::factory($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;
		}//ac == submitting 正在提交
		
		if($ac == "unsubmit")
		{
			$this->_helper->viewRenderer('project-index');
			
			$sql = "SELECT * FROM heiheproject WHERE attachid IS NULL OR attachid=0";
			$sth = $this->db->query($sql);
			$rows = $sth->fetchAll();
			
			foreach ($rows as $k=>$v)
			{
				$rows[$k]['status'] = $this->replacestatus($v['status']);
			}
			
			$paginator = Zend_Paginator::factory($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;
		}//ac == unsubmit 未提交
		
		if($ac == "submit")
		{
			$this->_helper->viewRenderer('project-index');
			
			$sql = "SELECT * FROM heiheproject WHERE status=4";
			$sth = $this->db->query($sql);
			$rows = $sth->fetchAll();
			
			foreach ($rows as $k=>$v)
			{
				$rows[$k]['status'] = $this->replacestatus($v['status']);
			}
			
			$paginator = Zend_Paginator::factory($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;
		}//ac == submit 已提交
		
		if($ac == "upload")
		{
			$this->_helper->layout->setLayout('layout-iframe');
			$this->_helper->viewRenderer('project-upload');
			
			$submit = $this->_getParam('submit');

			$pid = $this->_getParam('pid');
			
			if(empty($pid) || !is_numeric($pid))
			{
				$this->view->error = "参数错误";
				return true;
			}
			
			$this->view->pid = $pid;
			
			if(empty($uid))
			{
				$this->view->error = "请先登录";
				return true;
			}
			
			$sql  = "SELECT * FROM heiheproject WHERE id=$pid";
			$sth = $this->db->query($sql);
			$row = $sth->fetch();
			
			if($row['email']!= $user_email)
			{
				$this->view->error = "您没有权限进行此操作";
				return true;
			}
			
			if(!empty($submit) && empty($this->view->error))
			{
				
				$files=new files();
				$msg = $files -> upload($this->view->config->upload,$_FILES['Filedata'],'heihe');
				
				if(empty($msg['error']))
				{
					$msg['error']="";
					$filename = $msg['db_path'];
					$filesize = $msg['file_size'];
					$filedesc = $this->_request->getParam('filedesc');
					$filetype = $msg['file_type'];
					$realname = $msg['realname'];
					
					if(!empty($row['attachid']))
					{
						$sql = "SELECT * FROM attachments WHERE id={$row['attachid']}";
						$sth = $this->db->query($sql);
						$attach = $sth->fetch();
						$this->db->exec("DELETE FROM attachments WHERE id={$row['attachid']} AND filetype='heihe'");
						@unlink($this->view->config->upload.$attach['filename']);
					}

					$sql = " INSERT INTO attachments (filename,filetype,filedesc,userid,filesize,realname) values 
							('$filename','heihe','$filedesc','$uid','$filesize','$realname') RETURNING id";
					$sth = $this->db->prepare($sql);
					$sth->execute();
					$att = $sth->fetch(PDO::FETCH_ASSOC);
					$msg['attid'] = $attid = $att['id'];
					
					$sql = "UPDATE heiheproject SET attachid=$attid WHERE id=$pid";
					$sth = $this->db->exec($sql);
					
					if($sth)
					{
						$this->view->message = "上传成功";
					}else{
						@unlink($filename);
						$this->view->error = '附件上传失败:写入附件表出错';
						return true;
					}
				}else{
					@unlink($filename);
					$this->view->error = "附件上传失败".$msg['error'];
					return true;
				}
			}
			
			$sql  = "SELECT * FROM heiheproject WHERE id=$pid";
			$sth = $this->db->query($sql);
			$row = $sth->fetch();
			
			$sql = "SELECT * FROM attachments WHERE id = {$row['attachid']}";
			$sth = $this->db->query($sql);
			$this->view->att = $sth->fetch();
			
			return true;
		}
		
		if(!empty($invite))
		{
			
			$this->_helper->viewRenderer('project-invite');
			
			if(!preg_match("/[A-Za-z0-9]/",$invite))
			{
				$this->view->error = "参数错误!";
				return true;
			}
			
			if(strlen($invite)!=12)
			{
				$this->view->error = "参数错误";
				return true;
			}
			
			$pid = $this->_getParam('pid');
			
			if(!is_numeric($pid))
			{
				$this->view->error = "参数错误";
				return true;
			}
			
			$sql = "SELECT * FROM $projectTable WHERE id=$pid";
			$sth = $this->db->query($sql);
			$row = $sth->fetch();
			
			if(empty($row['expert_name']))
			{
				$this->view->error = "此项目尚未邀请跟踪专家";
				return true;
			}
			
			$names = $this->getArray($row['expert_name']);
			$emails = $this->getArray($row['expert_email']);
			$validations = $this->getArray($row['expert_validation']);
			$created = $this->getArray($row['expert_created']);
			
			if(!in_array($validations))
			{
				$this->view->error = "您不在被邀请的专家名单内";
				return true;
			}
			
			
			
		}//专家邀请链接
		
		
	}//projectsAction()
	
	//从pgsql读取数组并拆分为php数组
	function getArray($str){
		if(strlen($str)>3)
		{
			return explode(",",substr($str,1,-1));
		}else{
			return NULL;
		}
	}
	
	//将php数组组装成pgsql中的数组
	function mkArray($array){
		if(!is_array($array))
		{
			return "{".$array."}";
		}
		if(count($array)==1)
		{
			$key = max(array_keys($array));
			return "{".$array[$key]."}";
		}
		if(count($array)>1)
		{
			return "{".join(",",$array)."}";
		}
	}
	
	function replacestatus($status)
	{
		if($status == 0)
		{
			return "计划未提交";
		}
		if($status == 1)
		{
			return "计划未审核";
		}
		if($status == 2)
		{
			return "跟踪专家审核";
		}
		if($status == 3)
		{
			return "跟踪专家通过";
		}
		if($status == 4)
		{
			return "数据委员会通过";
		}
	}
	
	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));
	} 
	
}