<?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("aviation","radiometer","lidar","widas","nearvis","thermal")))
		{
			$this->view->pageIn = "collapse1";
		}
		else if(in_array($acName,array("airborne","vegstructure","vegtype","vegparam","dem","dsm","temperature","soilmoisture")))
		{
			$this->view->pageIn = "collapse2";
		}
		else if(in_array($acName,array("hmon","autometeo","ec",'las','prec')))
		{
			$this->view->pageIn = "collapse3";
		}
		else if(in_array($acName,array("cgs","calibration","ground",'sync')))
		{
			$this->view->pageIn = "collapse4";
		}
		else if(in_array($acName,array("wsn","waternet","soilnet","bnunet",'bnulai')))
		{
			$this->view->pageIn = "collapse5";
		}
		else if(in_array($acName,array("browse","thumb","fund","tag","timeline","timemap",'author','organization')))
		{
			$this->view->pageIn = "collapse10";
		}
		else if(in_array($acName,array("other")))
		{
			$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 aviationAction()
	{
		$this->getmd(array('航空遥感','WiDAS','PLMR','Lidar','CASI','热红外高光谱数据'));
		$this->_helper->viewRenderer('base');
	}
	function radiometerAction()
	{
		$this->getmd(array('','PLMR'));
		$this->_helper->viewRenderer('base');
	}
	function lidarAction()
	{
		$this->getmd(array('LIDAR','Lidar'));
		$this->_helper->viewRenderer('base');
	}
	function widasAction()
	{
		$this->getmd(array('WIDAS','WiDAS'));
		$this->_helper->viewRenderer('base');
	}
	function nearvisAction()
	{
		$this->getmd(array('','CASI'));
		$this->_helper->viewRenderer('base');
	}
	function thermalAction()
	{
		$this->getmd(array('','热红外高光谱数据'));
		$this->_helper->viewRenderer('base');
	}
	
	function airborneAction()
	{
		$this->getmd(array('航空遥感产品','种植结构图','植被类型图','植被结构参数','数字高程模型','数字表面模型','地表温度','地表土壤水文'));
		$this->_helper->viewRenderer('base');
	}
	function vegstructureAction()
	{
		$this->getmd(array('','种植结构图'));
		$this->_helper->viewRenderer('base');
	}
	function vegtypeAction()
	{
		$this->getmd(array('','植被类型图'));
		$this->_helper->viewRenderer('base');
	}
	function vegparamAction()
	{
		$this->getmd(array('','植被结构参数'));
		$this->_helper->viewRenderer('base');
	}
	function demAction()
	{
		$this->getmd(array('','数字高程模型'));
		$this->_helper->viewRenderer('base');
	}
	function dsmAction()
	{
		$this->getmd(array('','数字表面模型'));
		$this->_helper->viewRenderer('base');
	}
	function temperatureAction()
	{
		$this->getmd(array('','地表温度'));
		$this->_helper->viewRenderer('base');
	}
	function soilmoistureAction()
	{
		$this->getmd(array('','地表土壤水文'));
		$this->_helper->viewRenderer('base');
	}

	function hmonAction()
	{
		$this->getmd(array('自动气象站','涡动相关仪','大孔径闪烁仪','河川径流观测'));
		$this->_helper->viewRenderer('base');
	}
	function autometeoAction()
	{
		$this->getmd(array('','自动气象站'));
		$this->_helper->viewRenderer('base');
	}
	function ecAction()
	{
		$this->getmd(array('','涡动相关仪'));
		$this->_helper->viewRenderer('base');
	}
	function lasAction()
	{
		$this->getmd(array('','大孔径闪烁仪'));
		$this->_helper->viewRenderer('base');
	}
	function precAction()
	{
		$this->getmd(array('','河川径流观测'));
		$this->_helper->viewRenderer('base');
	}

	function cgsAction()
	{
		$this->getmd(array('定标观测','地基遥感观测','地面同步观测'));
		$this->_helper->viewRenderer('base');
	}
	function calibrationAction()
	{
		$this->getmd(array('','定标观测'));
		$this->_helper->viewRenderer('base');
	}
	function groundAction()
	{
		$this->getmd(array('','地基遥感观测'));
		$this->_helper->viewRenderer('base');
	}
	function syncAction()
	{
		$this->getmd(array('','地面同步观测'));
		$this->_helper->viewRenderer('base');
	}
	
	function wsnAction()
	{
		$this->getmd(array('WATERNET','SoilNET','BNUNET','BNULAI'));
		$this->_helper->viewRenderer('base');
	}
	function waternetAction()
	{
		$this->getmd(array('','WATERNET'));
		$this->_helper->viewRenderer('base');
	}
	function soilnetAction()
	{
		$this->getmd(array('','SoilNET'));
		$this->_helper->viewRenderer('base');
	}
	function bnunetAction()
	{
		$this->getmd(array('','BNUNET'));
		$this->_helper->viewRenderer('base');
	}	
	function bnulaiAction()
	{
		$this->getmd(array('','BNULAI'));
		$this->_helper->viewRenderer('base');
	}
	
	function satelliteAction()
	{
		$this->getmd(array('','卫星遥感'));
		$this->_helper->viewRenderer('base');
	}

	function soilAction()
	{
		$this->getmd(array('','卫星遥感'));
		$this->_helper->viewRenderer('base');
	}

	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');
    	$keytype = $this->_request->getParam('keytype');		
    	$page=(int)$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(k.id) from keyword k left join normalmetadata m on k.id=m.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 k.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 {
	    	$sql="select k.keyword,count(*),k.keytype from keyword k left join normalmetadata m on k.id=m.id where m.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='hiwater') ";
	    	if (!empty($keytype) && ($keytype=='place' || $keytype=='theme' || $keytype=='discipline'||$keytype=='temporal')) $sql.=" and k.keytype='".$keytype."'";
	    	$sql.=' group by k.keyword,k.keytype  order by k.keytype,k.keyword,count desc';
	    	$state=$this->db->query($sql);
			$this->view->keytype=$keytype;
	    	$this->view->keywords=$state->fetchAll();
    	}
   }

   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)) {
    		$search=new SimpleSearch($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="hiwatertime.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
    	}
    }
	
	function viewAction()
	{
		parent::viewAction();
		$this->_helper->viewRenderer('hiwater/view');
	}
    
	private function getmd($keyword,$type='theme')
	{
    	$page=(int)$this->_request->getParam('page');    	
    	if (empty($page)) $page=1;
    	$offset=$this->limit*($page-1);
		if (!is_array($keyword))
		{
			$keyword=array($keyword);
		}
		$key="(";
		foreach($keyword as $k)
		{
			$key.="'".$k."',";
		}
		$key=substr($key,0,-1);
		$key.=")";
		$keyword=$key;
		
    	$state=$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='".$type."' and keyword in ".$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 in ".$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; 
	}
	
	//基于数据作者的浏览（包括认证后的数据作者以及未认证的数据作者）
	function authorAction()
	{
		$ac = $this->_request->getParam('ac');
		$id = (int)$this->_request->getParam('id');
    	if ($ac=='verified') {
			//已经认证过的数据作者
			$this->view->tabID='author-verified';
			$this->view->ac='verified';
			if ($id) {
				//列出作者的数据
				$sql="select username,realname from users where id=?";
				$this->view->author=$this->db->fetchRow($sql,array($id));
				$sql="select m.* from normalmetadata m left join mdauthor a on a.uuid=m.uuid where m.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='hiwater') and a.userid=?";
				$sth = $this->db->prepare($sql);
				$sth->execute(array($id));
				$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;
			} else {
				//已经认证过的数据作者
				$sql="select u.username,u.realname,u.id,count(u.id) as count from mdauthor a left join users u on a.userid=u.id where a.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='hiwater') and a.status=1 and a.uuid in (select uuid from normalmetadata) group by u.id,u.username,u.realname";
				$sth = $this->db->prepare($sql);
				$sth->execute();
				$rows = $sth->fetchAll();
				$paginator = Zend_Paginator::factory($rows);
				$paginator->setCurrentPageNumber($this->_getParam('page'));
				$paginator->setItemCountPerPage(50);
				$paginator->setView($this->view);
				Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination_param.phtml');
				$this->view->paginator=$paginator;
			}
    	} else if ($ac=='unverified' || empty($ac)) {
    		//未认证的数据作者
			$this->view->tabID='author-unverified';
			$this->view->ac='unverified';
			if ($id) {
				//列出数据
				$sql="select individual as username from responsible where id=?";
				$this->view->author=$this->db->fetchRow($sql,array($id));
				$sql="select distinct m.* from normalmetadata m left join role r on m.uuid=r.uuid left join responsible s on r.resid=s.id where r.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='hiwater') and r.role in ('pointOfContact','resourceProvider','owner') and s.id=?";
				$sth = $this->db->prepare($sql);
				$sth->execute(array($id));
				$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;
			} else {
				//列出所有作者
				$sql="select distinct responsible.individual as username,responsible.id from responsible left join role on role.resid=responsible.id where role.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='hiwater') and role.role in ('pointOfContact','resourceProvider','owner')";
				$sth = $this->db->prepare($sql);
				$sth->execute();
				$rows = $sth->fetchAll();
				$paginator = Zend_Paginator::factory($rows);
				$paginator->setCurrentPageNumber($this->_getParam('page'));
				$paginator->setItemCountPerPage(50);
				$paginator->setView($this->view);
				Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination_param.phtml');
				$this->view->paginator=$paginator;
			}
		}	
	}
	
	function fundAction()
    {
    	$id = (int)$this->_request->getParam('id');
    	if (!empty($id)) {
			$sql="select * from fund where id=?";
    		$this->view->fund=$this->db->fetchRow($sql,array($id));
			if ($this->view->fund) {
				$sql="select distinct m.* from normalmetadata m left join mdfund mf on m.uuid=mf.uuid where m.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='hiwater') and mf.fid=?";
				$sth = $this->db->prepare($sql);
				$sth->execute(array($id));
				$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;
			}
    	} else {
    		//提供全部分类列表
			$sql="select f.id,f.title,f.fund_id,f.fund_type,f.ts_created,count(m.id) as datacount,sum(md.filesize) as filesize from fund f left join mdfund m on f.id=m.fid left join metadata md on m.uuid=md.uuid where m.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='hiwater') group by f.id,f.title,f.fund_id,f.fund_type,f.ts_created order by f.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;
			$this->_helper->viewRenderer('fund-list');
    	}
    }
	
	function organizationAction()
    {
		$page = $this->_request->getParam('page');
    	$name = $this->_request->getParam('name');
    	$state=$this->db->query("select distinct responsible.organisation from responsible left join role on role.resid=responsible.id where role.uuid in (select d.uuid from datasource d left join source s on d.sourceid=s.id where s.code='hiwater') and role.role in ('pointOfContact','resourceProvider','owner')");
    	$this->view->organisation=$state->fetchAll();
    	if (!empty($name)) {
    		$this->view->codename=$name;
    		$sql="select distinct m.* from normalmetadata m left join role r on m.uuid=r.uuid left join responsible s on r.resid=s.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 r.role in ('pointOfContact','resourceProvider','owner') and s.organisation=?";
	   		$sth = $this->db->prepare($sql);
			$sth->execute(array($name));
			$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;
    	} else {
    		//提供全部分类列表
    	}
    }
}