add service controller, which offer thumb, xml and search service.
This commit is contained in:
wlx
parent
1bd10aa0d9
commit
7b1759d39b
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@ -0,0 +1,429 @@
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<?php
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class ServiceController extends Zend_Controller_Action
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{
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private $limit=10;
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function __call($id, $arguments)
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{
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Zend_Debug::dump($arguments,'argu');
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Zend_Debug::dump($id,'id');
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$this->_helper->viewRenderer->setNoRender();
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$this->_helper->layout->disableLayout();
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}
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function preDispatch()
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{
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$this->db=Zend_Registry::get('db');
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$this->view->config = Zend_Registry::get('config');
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$this->messenger=$this->_helper->getHelper('FlashMessenger');
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$this->view->messages = $this->messenger->getMessages();
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}
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/*
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* 返回XML源文件
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*/
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function xmlAction()
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{
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$uuid=$this->_request->getParam('uuid');
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$row=$this->db->fetchRow("select xml.data from xml left join metadata on xml.id=metadata.id where metadata.uuid=?",array($uuid));
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$this->_helper->layout->disableLayout();
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$this->_helper->viewRenderer->setNoRender();
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$this->getResponse()->setHeader('Content-Type', 'text/xml')
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->setBody($row['data']);
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}
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/*
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* 查看数据缩略图
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*/
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function thumbAction()
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{
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$this->_helper->layout->disableLayout();
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$this->_helper->viewRenderer->setNoRender();
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$uuid = $this->_request->getParam('uuid');
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$thumb=$this->db->fetchRow("select t.data,t.filetype from thumbnail t left join metadata m on t.id=m.id where m.uuid=?",array($uuid));
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if (empty($thumb)) {
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header("Content-Type:image/png");
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header("Content-Length: " . filesize("images/nothumb.png"));
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$file=fopen("images/nothumb.png",'r');
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fpassthru($file);
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} else {
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header("Content-Type:image/".$thumb['filetype']);
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print base64_decode($thumb['data']);
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}
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}
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/*
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* 高级搜索, no page, json output
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*/
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function searchAction()
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{
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$this->view->addHelperPath('helper','Zend_View_Helper_');
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$this->_helper->layout->disableLayout();
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$this->_helper->viewRenderer->setNoRender();
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//$page=(int)$this->_request->getParam('page');
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//if (empty($page)) $page=1;
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//$offset=$this->limit*($page-1);
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$key=$this->_request->getParam('q');
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$n=(int)$this->_request->getParam('n');
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$s=(int)$this->_request->getParam('s');
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$e=(int)$this->_request->getParam('e');
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$w=(int)$this->_request->getParam('w');
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if (!(empty($n) && empty($key))) {
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if (empty($n)) $n=90;
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if (empty($s)) $s=-90;
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if (empty($e)) $e=180;
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if (empty($w)) $w=-180;
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//$start=$this->_request->getParam('start');
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//$end=$this->_request->getParam('end');
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$sql="select id,uuid,description,filesize,fileformat from metadata where east<? and west>? and north<? and south>?";
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if (!empty($key)) {
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$sql.= " and (title ilike ? or description ilike ?)";
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$sql.= " order by title";
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$rows=$this->db->fetchAll($sql,array($e,$w,$n,$s,'%'.$key.'%','%'.$key.'%'));
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} else {
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$sql.= " order by title";
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$rows=$this->db->fetchAll($sql,array($e,$w,$n,$s));
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}
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$this->_helper->json($rows);
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}
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}
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/*
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* 数据浏览
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*/
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function browseAction()
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{
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$md=new MetadataTable();
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$db=$md->getAdapter();
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$page=(int)$this->_request->getParam('page');
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if (empty($page)) $page=1;
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$limit=10;
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$offset=$limit*($page-1);
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$state=$db->query('select count(*) from metadata');
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$row=$state->fetchAll();
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$sum=$row[0]['count'];
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$select=$db->select();
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$select->from('metadata','*')->order('title')->limitPage($page,$limit);
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$this->view->metadata = $db->fetchAll($select);
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$this->view->page=new Pagination($sum,$page,$limit);
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}
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/*
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* 产生geojson数据
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*/
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function jsonAction()
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{
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$md=new MetadataTable();
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$db=$md->getAdapter();
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$id = (int)$this->_request->getParam('id');
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$where='';
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if (!empty($id)) { $where=' where id='.$id; }
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$sql='select id,uuid,west,south,north,east,title from metadata'.$where;
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$state=$db->query($sql);
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$rows=$state->fetchAll();
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$geomd=new GeoMetaData();
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foreach($rows as $row){
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if ($id)
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$box=new GeoBox($row['west'],$row['south'],$row['east'],$row['north']);
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else
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$box=new GeoBoxLine($row['west'],$row['south'],$row['east'],$row['north']);
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$feature=new Geofeature();
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$feature->id=$row['id'];
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$feature->addProperties('title',$row['title']);
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$feature->addProperties('uuid',$row['uuid']);
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$feature->addProperties('id',$row['id']);
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$feature->geometry=$box;
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$geomd->addFeature($feature);
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}
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$this->_helper->json($geomd);
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}
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/*
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* 时空动态浏览
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*/
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function timemapAction()
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{
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$sql='select id,uuid,west,south,north,east,title,timebegin,timeend from metadata where timebegin is not null';
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$this->view->rows=$this->db->fetchAll($sql);
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}
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function detailAction()
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{
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$id=(int)$this->_request->getParam('id');
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$xml=new XmlTable();
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$db=$xml->getAdapter();
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$where=$db->quoteInto('id=?',$id);
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$order='id desc';
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$row=$xml->fetchRow($where,$order);
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// Load the XML source
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$xml = new DOMDocument;
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$xml->loadXML($row->data);
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$xsl = new DOMDocument;
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$xsl->load($this->view->config->westdc->xsl);
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// Configure the transformer
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$proc = new XSLTProcessor;
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$proc->importStyleSheet($xsl); // attach the xsl rules
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$this->view->xml=$proc->transformToXML($xml);
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//$this->_helper->layout->disableLayout();
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//$this->_helper->viewRenderer->setNoRender();
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//$this->getResponse()->setHeader('Content-Type', 'text/html')
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// ->setBody($proc->transformToXML($xml));
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}
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function feedAction()
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{
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$feedArray = array(
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'title' => '中国西部环境与生态科学数据中心',
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'link' => 'http://'.$_SERVER['SERVER_NAME'].'/data/feed',
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'description' => '共享西部计划产生的数据',
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'language' => 'zh-CN',
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'charset' => 'utf-8',
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'published' => time(),
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//'generator' => 'Zend Framework Zend_Feed',
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'entries' => array()
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);
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$sql="select * from metadata order by ts_created desc";
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$rs=$this->db->fetchAll($sql);
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$feedArray['published']=strtotime($rs[0]['ts_created']);
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foreach($rs as $r)
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{
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$feedArray['entries'][] = array(
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'title' => $r['title'],
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'link' => 'http://'.$_SERVER['SERVER_NAME'].'/data/' . $r['uuid'],
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'guid' => 'http://'.$_SERVER['SERVER_NAME'].'/data/' . $r['uuid'],
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//'content'=>$r['description'],
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'description' => $r['description'],
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'lastUpdate' => strtotime($r['ts_created'])
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);
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}
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$feed = Zend_Feed::importArray($feedArray,'rss');
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$this->_helper->layout->disableLayout();
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$this->_helper->viewRenderer->setNoRender();
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$feed->send();
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}
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public function pingbackAction()
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{
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$this->_helper->ViewRenderer->setNoRender();
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$this->_helper->layout->disableLayout();
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$server = new Zend_XmlRpc_Server();
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$server->setClass('PingbackRpc', 'pingback');
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echo $server->handle();
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}
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public function pingtestAction()
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{
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$this->_helper->ViewRenderer->setNoRender();
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$this->_helper->layout->disableLayout();
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$client = new Zend_XmlRpc_Client('http://test.westgis.ac.cn/data/pingback');
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$arg1 = 'http://wlx.westgis.ac.cn/567/';
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$arg2 = 'http://test.westgis.ac.cn/data/487591d0-d437-4114-b810-cbef7c4ee4b2';
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//$result = $client->call('pingback.ping', array($arg1, $arg2));
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$test = $client->getProxy('pingback');
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$test->ping($arg1,$arg2);
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//var_dump($result);
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}
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public function outputAction()
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{
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$this->_helper->layout->disableLayout();
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$this->_helper->viewRenderer->setNoRender();
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$sql="select title,datatype,filesize,id from metadata";
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$md=$this->db->fetchAll($sql);
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foreach($md as $m)
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{
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print $m["title"].",";
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print ($m["datatype"]?"内部":"公开").",";
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print ($m["filesize"]==1?" ":$m["filesize"]).",";
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$sql1="select keyword from keyword where id=".$m["id"]." and keytype='place'";
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$kd=$this->db->fetchAll($sql1);
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foreach ($kd as $p) print $p["keyword"]." ";
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print ",";
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$sql1="select keyword from keyword where id=".$m["id"]." and keytype='temporal'";
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$kd=$this->db->fetchAll($sql1);
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foreach ($kd as $p) print $p["keyword"]." ";
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print ",";
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print "<br>";
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}
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}
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/**
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* parse the wiki syntax used to render tables, code modified from mediawiki
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*
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* @private
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*/
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function parseTable ( $text ) {
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$lines = explode ( "\n" , $text );
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$td_history = array (); // Is currently a td tag open?
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$last_tag_history = array (); // Save history of last lag activated (td, th or caption)
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$tr_history = array (); // Is currently a tr tag open?
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$tr_attributes = array (); // history of tr attributes
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$has_opened_tr = array(); // Did this table open a <tr> element?
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$indent_level = 0; // indent level of the table
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foreach ( $lines as $key => $line )
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{
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$line = trim ( $line );
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if( $line == '' ) { // empty line, go to next line
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continue;
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}
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$first_character = $line{0};
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$matches = array();
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if ( preg_match( '/^(:*)\{\|(.*)$/' , $line , $matches ) ) {
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// First check if we are starting a new table
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$indent_level = strlen( $matches[1] );
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$lines[$key] = str_repeat( '<dl><dd>' , $indent_level ) . "<table{$attributes}>";
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array_push ( $td_history , false );
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array_push ( $last_tag_history , '' );
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array_push ( $tr_history , false );
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array_push ( $tr_attributes , '' );
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array_push ( $has_opened_tr , false );
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} else if ( count ( $td_history ) == 0 ) {
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// Don't do any of the following
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continue;
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} else if ( substr ( $line , 0 , 2 ) == '|}' ) {
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// We are ending a table
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$line = '</table>' . substr ( $line , 2 );
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$last_tag = array_pop ( $last_tag_history );
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if ( !array_pop ( $has_opened_tr ) ) {
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$line = "<tr><td></td></tr>{$line}";
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}
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if ( array_pop ( $tr_history ) ) {
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$line = "</tr>{$line}";
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}
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if ( array_pop ( $td_history ) ) {
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$line = "</{$last_tag}>{$line}";
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}
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array_pop ( $tr_attributes );
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$lines[$key] = $line . str_repeat( '</dd></dl>' , $indent_level );
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} else if ( substr ( $line , 0 , 2 ) == '|-' ) {
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// Now we have a table row
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$line = preg_replace( '#^\|-+#', '', $line );
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$line = '';
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$last_tag = array_pop ( $last_tag_history );
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array_pop ( $has_opened_tr );
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array_push ( $has_opened_tr , true );
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if ( array_pop ( $tr_history ) ) {
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$line = '</tr>';
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}
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if ( array_pop ( $td_history ) ) {
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$line = "</{$last_tag}>{$line}";
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}
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$lines[$key] = $line;
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array_push ( $tr_history , false );
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array_push ( $td_history , false );
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array_push ( $last_tag_history , '' );
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}
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else if ( $first_character == '|' || $first_character == '!' || substr ( $line , 0 , 2 ) == '|+' ) {
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// This might be cell elements, td, th or captions
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if ( substr ( $line , 0 , 2 ) == '|+' ) {
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$first_character = '+';
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$line = substr ( $line , 1 );
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}
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$line = substr ( $line , 1 );
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if ( $first_character == '!' ) {
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$line = str_replace ( '!!' , '||' , $line );
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}
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// Split up multiple cells on the same line.
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// FIXME : This can result in improper nesting of tags processed
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// by earlier parser steps, but should avoid splitting up eg
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// attribute values containing literal "||".
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$cells = explode( '||' , $line );
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$lines[$key] = '';
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// Loop through each table cell
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foreach ( $cells as $cell )
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{
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$previous = '';
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if ( $first_character != '+' )
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{
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$tr_after = array_pop ( $tr_attributes );
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if ( !array_pop ( $tr_history ) ) {
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$previous = "<tr{$tr_after}>\n";
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}
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array_push ( $tr_history , true );
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array_push ( $tr_attributes , '' );
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array_pop ( $has_opened_tr );
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array_push ( $has_opened_tr , true );
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}
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$last_tag = array_pop ( $last_tag_history );
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if ( array_pop ( $td_history ) ) {
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$previous = "</{$last_tag}>{$previous}";
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}
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if ( $first_character == '|' ) {
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$last_tag = 'td';
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} else if ( $first_character == '!' ) {
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$last_tag = 'th';
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} else if ( $first_character == '+' ) {
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$last_tag = 'caption';
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} else {
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$last_tag = '';
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}
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array_push ( $last_tag_history , $last_tag );
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// A cell could contain both parameters and data
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$cell_data = explode ( '|' , $cell , 2 );
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// Bug 553: Note that a '|' inside an invalid link should not
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// be mistaken as delimiting cell parameters
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if ( strpos( $cell_data[0], '[[' ) !== false ) {
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$cell = "{$previous}<{$last_tag}>{$cell}";
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} else if ( count ( $cell_data ) == 1 )
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$cell = "{$previous}<{$last_tag}>{$cell_data[0]}";
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else {
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$cell = "{$previous}<{$last_tag}>{$cell_data[1]}";
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}
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$lines[$key] .= $cell;
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array_push ( $td_history , true );
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}
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}
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}
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// Closing open td, tr && table
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while ( count ( $td_history ) > 0 )
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{
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if ( array_pop ( $td_history ) ) {
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$lines[] = '</td>' ;
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}
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if ( array_pop ( $tr_history ) ) {
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$lines[] = '</tr>' ;
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}
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if ( !array_pop ( $has_opened_tr ) ) {
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$lines[] = "<tr><td></td></tr>" ;
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}
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$lines[] = '</table>' ;
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}
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$output = implode ( "\n" , $lines ) ;
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//@todo:移除<table></table>中所有的换行符
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//可能存在问题
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$output=preg_replace('/([a-zA-Z])>\n/m','$1>',$output);
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$output=preg_replace('/\n<\//m','</',$output);
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// special case: don't return empty table
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if( $output == "<table>\n<tr><td></td></tr>\n</table>" ) {
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$output = '';
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}
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return $output;
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}
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}
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