<?php
/* 

	@version    $Id: AuthorController.php 2012-2-29 15:01 Z
	@package	author
	@copyright  Copyright (c) 2012, CAREERI.
	@license    http://
	@link       http://
	
	@update		2012-3-1	15:06   李建轩
	@update		2012-3-9	17:01	李建轩
	@update		2012-3-12	16:16	李建轩
	@update		2012-3-14	18:01	李建轩

*/
class AuthorController extends Zend_Controller_Action 
{
	private $limit=10;
	
	//调试模式 
	// 调试模式中将显示全部错误细节，电子邮件将发往调试邮箱 
	// 1 为开启
	// 0 为关闭
	public $debug = 1; 
	
	//调试模式邮箱地址
	public $debug_email = "la5c@qq.com";
	
	
	function preDispatch()
	{
		$this->view->config = Zend_Registry::get('config');
		$this->db=Zend_Registry::get('db');
		$this->messenger=$this->_helper->getHelper('FlashMessenger');
    	$this->view->messages = $this->messenger->getMessages();
	}
	function indexAction()
	{
	}
	

   /*
   * helpAction() 帮助文档
   *
   */
    function helpAction(){
	   
   }//helpAction()帮助文档
   
   /*
    * inauthorAction() 数据申请管理
	*
	* param string $ac 
	* param string $keywords
	* param string $pr			//对离线数据申请的操作
	* param string $uuid
	*
	* return view|ajax-responds
	*/
   function inauthorAction()
   {
	   
		$ac = $this->_request->getParam("ac");
		
		$auth = Zend_Auth::getInstance();
		if($auth->hasIdentity())
		{
			$user = $auth->getIdentity();
			$u_id = $user->id;
			$u_email = $user->email;
		}
		
		if(empty($ac) || $ac=="online")
		{
			$sql = "SELECT o.id,o.userid,o.unit,o.username,o.ts_created,o.project,m.title,m.uuid FROM onlineapp as o
					LEFT JOIN metadata as m ON o.uuid=m.uuid
					LEFT JOIN mdauthor as a ON a.uuid=o.uuid
					WHERE (o.id in (SELECT distinct(onlineappid) from dataorder)) AND a.userid = ? AND a.status=1
					ORDER BY o.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(10);
			$paginator->setView($this->view);
			Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination_param.phtml');
			$this->view->paginator=$paginator;
		}//在线申请记录
		
		if($ac == "searchonline")
		{
			$keywords = $this->_request->getParam('q');
			if(!empty($keywords))
			{
				$this->view->q = $keywords;
			}
			
			
			$sql = "SELECT o.id,o.userid,o.unit,o.username,o.ts_created,o.project,m.title,m.uuid FROM onlineapp as o
					LEFT JOIN metadata as m ON o.uuid=m.uuid
					LEFT JOIN mdauthor as a ON a.uuid=o.uuid
					WHERE (o.id in (SELECT distinct(onlineappid) from dataorder)) AND a.userid = ? AND (m.title like ? or m.description like ?) AND a.status=1
					ORDER BY o.id desc";
			
			$sth = $this->db->prepare($sql);
			$sth->execute(array($u_id,"%$keywords%","%$keywords%"));
			$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;
			
		}//在线申请记录搜索
		
		if($ac == "offline")
		{
			$pr = $this->_request->getParam('pr');
			$oid = $this->_request->getParam('oid');
			
			if(!empty($pr))
			{
				try{
				$this->_helper->layout->disableLayout();
				$this->_helper->viewRenderer->setNoRender();
				
				$uuid = $this->_request->getParam('uuid');
				
				if(!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))
				{
					echo "参数有误！";exit();
				}
				
				//如果用户已经下载过了，就无法在更改对数据申请的意见
				$sql = "select md.title,d.uuid,d.status as datastatus,d.authorpermitted from offlineapp o 
						left join dataorder d on o.id=d.offlineappid 
						left join metadata md on md.uuid=d.uuid
						left join mdauthor a on a.uuid=d.uuid
						where o.ts_approved is null and o.pdflink is not null and d.uuid=? and a.userid=? and d.offlineappid=? AND a.status=1
						order by o.ts_created desc";
				
				$sth = $this->db->prepare($sql);
				$sth->execute(array($uuid,$u_id,$oid));
				$row = $sth->fetch();
				
				if($row['datastatus']>4)
				{
					echo "该申请已经通过并且发放数据";
					exit();
				}
				
				//同意用户下载
				if($pr=="confrim")
				{
					$sql = "UPDATE dataorder SET authorpermitted=1 WHERE uuid=? AND offlineappid=?";
					$sth = $this->db->prepare($sql);
					if($sth->execute(array($uuid,$oid)))
					{
						$btn = $this->createOfflineCtBtn($uuid,'c',$oid);
						echo ''.$btn.'<script>alert("您已经同意用户的离线数据申请");</script>';
						exit();
					}else{
						echo "<script>alert('处理过程中遇到错误，请刷新页面');</script>";
						exit();
					}	
				}
				
				//反对用户下载
				if($pr == "objection")
				{
					$sql = "UPDATE dataorder SET authorpermitted=-1 WHERE uuid=? AND offlineappid=?";
					$sth = $this->db->prepare($sql);
					if($sth->execute(array($uuid,$oid)))
					{
						$btn = $this->createOfflineCtBtn($uuid,'o',$oid);
						echo ''.$btn.'<script>alert("您已经反对用户的离线数据申请");</script>';
						exit();
					}else{
						echo "<script>alert('处理过程中遇到错误，请刷新页面');</script>";
						exit();
					}	
				}
				}catch(Exception $e)
				{
					echo "处理中遇到错误，请刷新页面后重试";
					exit();
				}
			}
			else
			{
				$this->_helper->viewRenderer('inauthor-offline');
				
				$select="select distinct(o.*),md.title,d.uuid,d.status as datastatus,d.authorpermitted from offlineapp o 
						left join dataorder d on o.id=d.offlineappid 
						left join metadata md on md.uuid=d.uuid
						left join mdauthor a on a.uuid=d.uuid
						where o.ts_approved is null and o.pdflink is not null and d.status=4 and a.userid=? AND a.status=1
						order by o.ts_created desc";
				
				$sth = $this->db->prepare($select);
				$sth->execute(array($u_id));
				$rows = $sth->fetchAll();
				
				foreach ($rows as $k=>$v)
				{
					if($v['authorpermitted']==0)
					{$rows[$k]['btns']=$this->createOfflineCtBtn($v['uuid'],'',$v['id']);}
					if($v['authorpermitted']>0)
					{$rows[$k]['btns']=$this->createOfflineCtBtn($v['uuid'],'c',$v['id']);}
					if($v['authorpermitted']<0)
					{$rows[$k]['btns']=$this->createOfflineCtBtn($v['uuid'],'o',$v['id']);}
				}
				
				$paginator = Zend_Paginator::factory($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;
			}
		}//离线申请
		
		if($ac == "searchoffline")
		{
			
			$keywords = $this->_request->getParam('q');
			if(!empty($keywords))
			{
				$this->view->q = $keywords;
			}
			
			$this->_helper->viewRenderer('inauthor-offline');
			
			$select="select distinct(o.*),md.title,md.description,d.uuid,d.status as datastatus,d.authorpermitted from offlineapp o 
					left join dataorder d on o.id=d.offlineappid 
					left join metadata md on md.uuid=d.uuid
					left join mdauthor a on a.uuid=d.uuid
					where o.ts_approved is null and o.pdflink is not null and d.status=4 and (md.title like ? or md.description like ?) and a.userid=? AND a.status=1
					order by o.ts_created desc";
			
			$sth = $this->db->prepare($select);
			$sth->execute(array("%$keywords%","%$keywords%",$u_id));
			$rows = $sth->fetchAll();
			
			foreach ($rows as $k=>$v)
			{
				if($v['authorpermitted']==0)
				{$rows[$k]['btns']=$this->createOfflineCtBtn($v['uuid'],'',$v['id']);}
				if($v['authorpermitted']>0)
				{$rows[$k]['btns']=$this->createOfflineCtBtn($v['uuid'],'c',$v['id']);}
				if($v['authorpermitted']<0)
				{$rows[$k]['btns']=$this->createOfflineCtBtn($v['uuid'],'o',$v['id']);}
			}
			
			$paginator = Zend_Paginator::factory($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;
		}//离线申请搜索
		
   } // inauthorAction() 数据申请管理
   
   
   /*
    * createOfflineCtBtn() 创建离线申请记录的操作按钮
	*
	*/
   function createOfflineCtBtn($uuid, $type="",$oid){
	   $urlHref = 'href="javascript:;"';
	   $baseStyle = "offline-ct-btns box-shadow";
	   $selectedStyle = "offline-select";
	   
	   $confrimText = "同意";
	   $confrimFunc = 'onclick="confrim(\''.$uuid.'\',\''.$oid.'\')"';
	   
	   $objectionText = "反对";
	   $objectionFunc = 'onclick="objection(\''.$uuid.'\',\''.$oid.'\')"';
	   
	   $btns='';
	   if(empty($type))
	   {
			$confrimBtn = "<a $urlHref class=\"$baseStyle\" $confrimFunc>$confrimText</a>";
			$objectionBtn = "<a $urlHref class=\"$baseStyle\" $objectionFunc>$objectionText</a>";
			$btns = $confrimBtn.$objectionBtn;
	   }
	   if($type=='c')
	   {
		    $confrimBtn = "<a class=\"$baseStyle $selectedStyle\">$confrimText</a>";
			$objectionBtn = "<a $urlHref class=\"$baseStyle\" $objectionFunc>$objectionText</a>";
			$btns = $confrimBtn.$objectionBtn;
	   }
	   if($type=='o')
	   {
		    $confrimBtn = "<a $urlHref class=\"$baseStyle\" $confrimFunc>$confrimText</a>";
			$objectionBtn = "<a class=\"$baseStyle $selectedStyle\">$objectionText</a>";
			$btns = $confrimBtn.$objectionBtn;
	   }
	   
	   return $btns;
	   
   } //createOfflineCtBtn()
   
   
   
   /*
    * acceptAction() 我的数据
	*
	* param string $ac		// list|search
	* param string $keyword
	*
	* return view
	*/
   function acceptAction()
   {
	    $ac  = $this->_request->getParam("ac");
		
		$auth = Zend_Auth::getInstance();
		if($auth->hasIdentity())
		{
			$user = $auth->getIdentity();
			$u_id = $user->id;
			$u_email = $user->email;
		}
		
		//列表
		if(empty($ac) || $ac=='list'){
		
			$sql = "SELECT a.*,m.title,m.description FROM mdauthor a
					LEFT JOIN metadata m ON m.uuid=a.uuid
					WHERE a.userid=?
					";
					
			$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(5);
			$paginator->setView($this->view);
			Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination_param.phtml');
			$this->view->paginator=$paginator;
			
		}//list
		
		//搜索
		if($ac == "search")
		{
			$keyword = trim($this->_request->getParam('q'));
			$this->view->q = $keyword;
			if (!preg_match_all("/^[\x{4e00}-\x{9fa5}A-Za-z0-9_]+$/u",$keyword,$matchs))
			{
				$data = array('error'=>'搜索关键字中只能包含汉字、英文、数字');
			}
			else
			{
				//搜索标题和描述两个字段
				$sql = "SELECT m.uuid,m.title,m.description,a.status,a.userid FROM metadata m
						LEFT JOIN mdauthor a ON m.uuid=a.uuid 
						WHERE (m.title like ? OR m.description like ?) AND a.userid=?";
				$sth = $this->db->prepare($sql);
				$sth->execute(array("%$keyword%","%$keyword%",$u_id));
				$rows = $sth->fetchAll();
				
				$paginator = Zend_Paginator::factory($rows);
				$paginator->setCurrentPageNumber($this->_getParam('page'));
				$paginator->setItemCountPerPage(5);
				$paginator->setView($this->view);
				Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination_param.phtml');
				$this->view->paginator=$paginator;
			}
		}// search
		
		//激活数据作者
		if($ac == "active")
		{
			$this->_helper->viewRenderer('accept-active');
			$vdcode = $this->_request->getParam('v');
			$this->view->v = $vdcode;
			
			try{
			$sql = "SELECT a.id,a.activation,a.ts_created,a.ts_activated,md.title,a.uuid,u.realname,u.email FROM mdauthor a 
					LEFT JOIN metadata md ON a.uuid=md.uuid
					LEFT JOIN users u ON a.userid=u.id
					WHERE a.activation=?";
			
			$sth = $this->db->prepare($sql);
			$sth->execute(array($vdcode));
			$row = $sth->fetch();
			
			if(empty($row['id']))
			{
				$this->view->info='此激活码无效';
			}else{
				if(empty($row['ts_activated']))
				{
					$sql = "UPDATE mdauthor SET ts_activated=?,status=? WHERE activation=?";
					
					$sth = $this->db->prepare($sql);
					$ex = $sth->execute(array('now()',1,$vdcode));
					
					if($ex)
					{
						include_once("EmailText.php");
						$mail=new WestdcMailer($this->view->config->smtp);
						$mail->setFrom($this->view->config->service->email,'西部数据中心服务组');
						$mailtp=new EmailText($this->db,"author-newmember",array(
							'user' => $row['realname'],
							'uuid' => $row['uuid'],
							'title'=> $row['title'],
							'email'=> $row['email'],
							));
						$mail->setBodyText($mailtp->getBody());
						$mail->setSubject($mailtp->getSubject());
						if($this->debug==0)
						{
							//获得元数据作者email
							
							$info = $this->getEmail($uuid,1);
							
							$address = $info['addrs'];
							foreach($address as $v)
							{
								$mail->addTo($v);
							}
							$mail->addTo($row['email']);
							$mail->addCc($this->view->config->service->email);	//管理员
						}else{
							$mail->addTo($this->debug_email);
						}
						$mail->send();
						$this->view->info = '激活成功<br /><a href="/author/accept">点击这里</a>进入我的数据页面查看';
					}else
					{
						$this->view->info = "激活中遇到问题，请重试";
					}
				}else
				{
					$this->view->info='此激活码已经失效';
				}
				
			}
			
			}catch(Exception $e){
				if($this->debug==0)
				{
					$this->view->info = "处理中遇到错误，请重新尝试";
				}else{
					$this->view->info = $e->getMessage();
				}
			}
				
		}//激活数据作者
		
		//否认激活
		if($ac == "lock")
		{
			$this->_helper->viewRenderer('accept-active');
			$vdcode = $this->_request->getParam('v');
			$this->view->v = $vdcode;
			
			try{
			$sql = "SELECT a.id,a.activation,a.ts_created,a.ts_activated,md.title,a.uuid,u.realname,u.email FROM mdauthor a 
					LEFT JOIN metadata md ON a.uuid=md.uuid
					LEFT JOIN users u ON a.userid=u.id
					WHERE a.activation=?";
			
			$sth = $this->db->prepare($sql);
			$sth->execute(array($vdcode));
			$row = $sth->fetch();
			
			if(empty($row['id']))
			{
				$this->view->info='此激活码无效';
			}else{
				if(empty($row['ts_activated']))
				{
					$sql = "UPDATE mdauthor SET ts_activated=?,status=? WHERE activation=?";
					
					$sth = $this->db->prepare($sql);
					$ex = $sth->execute(array('now()',-1,$vdcode));
					
					if($ex)
					{
						include_once("EmailText.php");
						$mail=new WestdcMailer($this->view->config->smtp);
						$mail->setFrom($this->view->config->service->email,'西部数据中心服务组');
						$mailtp=new EmailText($this->db,"author-deny",array(
							'user' => $row['realname'],
							'uuid' => $row['uuid'],
							'title'=> $row['title'],
							'email'=> $row['email'],
							));
/*
mail=>元数据有新作者加入 
id=>author-newmember
body=>
您好:
　　您申请成为数据《{title}》遭到数据拥有者的否认，如果有疑问请联系数据中心
　　　　　　　　　　　　　　　　　　　　中国西部环境与生态科学数据中心
*/
						$mail->setBodyText($mailtp->getBody());
						$mail->setSubject($mailtp->getSubject());
						if($this->debug==0)
						{
							$mail->addTo($row['email']);
						}else{
							$mail->addTo($this->debug_email);
						}
						$mail->send();
						$this->view->info = '该申请已被拒绝,<a href="/author/accept">点击这里</a>进入我的数据页面查看';
					}else
					{
						$this->view->info = "激活中遇到问题，请重试";
					}
				}else
				{
					$this->view->info='此激活码已经失效';
				}
				
			}
			
			}catch(Exception $e){
				if($this->debug==0)
				{
					$this->view->info = "处理中遇到错误，请重新尝试";
				}else{
					$this->view->info = $e->getMessage();
				}
			}
				
		}//否认激活
	
   }//acceptAction() 我的数据
   
   
   /*
   *
   * getEmail()		获取数据所有者电子邮箱地址
   *
   * param string $uuid		//UUID
   * param int	$level		//输出信息等级
   *							0 => 输出所有Email地址
   *							1 => 输出数据权限等级最高的Email地址 (def) 
   *							
   * return array()
   */
   function getEmail($uuid,$level=1)
   {
	   //需要定义角色，防止程序流程出错
		$addrs = array();
		$addrs['resourceProvider'] = array();
		$addrs['owner'] = array();
		$addrs['pointOfContact'] = array();
		$addrs['author'] = array();
		$addrs["publisher"] = array();

		$sql = 'select r.uuid,p.email,md.title,r.role from metadata md
				LEFT JOIN role r ON md.uuid=r.uuid
				left join responsible p on r.resid=p.id 
				WHERE r.uuid=? AND p.email IS NOT NULL AND p.email!=?
				GROUP BY r.uuid,p.email,md.title,r.role';
		$sth = $this->db->prepare($sql);
		$sth->execute(array($uuid,''));
		$rows = $sth->fetchAll();
		
		$addrs['title'] = $rows[0]['title'];
		
		foreach($rows as $k=>$v)
		{
			//数据资源提供者resourceProvider
			if($v['role']=='resourceProvider')
			{
				$addrs['resourceProvider'][]=$v['email'];
			}
			
			//数据资源所有者owner
			if($v['role']=='owner')
			{
				$addrs['owner'][]=$v['email'];
			}
			
			//数据联系人pointOfContact
			if($v['role']=='pointOfContact')
			{
				$addrs['pointOfContact'][]=$v['email'];
			}
			
			//元数据作者author
			if($v['role']== 'author' )
			{
				$addrs['author'][] = $v['email'];
			}
			
			if($v["role"] =="")
			{
				$addrs["publisher"][] = $v['email'];
			}
		}
		
		//输出所哟email （多维数组）
		/*
		$addrs['resourceProvider']
		$addrs['owner']
		$addrs['pointOfContact']
		$addrs['author']
		*/
		if($level == 0)
		{
			return $addrs;
		}
		
		
		//输出最高优先级的Email
		//$addrs['addrs']
		if($level == 1)
		{
			//如果有 数据资源提供者 resourceProvider  就输出他的地址 以此类推
			if(count($addrs['resourceProvider'])>0)
			{
				$addrs['addrs'][] = $addrs['resourceProvider'];
				return $addrs;
			}
			
			if(count($addrs['owner'])>0)
			{
				$addrs['addrs'][] = $addrs['owner'];
				return $addrs;
			}
			
			if(count($addrs['pointOfContact'])>0)
			{
				$addrs['addrs'][] = $addrs['pointOfContact'];
				return $addrs;
			}
			
			if(count($addrs['author'])>0)
			{
				$addrs['addrs'][] = $addrs['author'];
				return $addrs;
			}
			
			if(count($addrs["publisher"])>0)
			{
				$addrs['addrs'][] = $addrs["publisher"];
				return $addrs;
			}
		}
	   
   }//getEmail 获取数据作者email地址
   
   
   
   /*
    * applyAction() 申请成为元数据作者
	*
	* param string $ac		//动作 search|apply
	* param string $q		//搜索关键词
	* param string $uuid	//数据的UUID
	*
	* return view|ajax|json
	*
	* 调试搜索结果:
	* /author/apply?ac=apply&uuid=816ecd28-ba88-464b-a83a-341440f536ef
	*/
   function applyAction()
   {
	   $ac = $this->_request->getParam('ac');
	   
	   	//搜索动作
		if($ac == "search")
		{
			$this->_helper->layout->disableLayout();
			$this->_helper->viewRenderer->setNoRender();
			
			//要输出的Json对象
			//过程中如果没有处理，则不包含任何返回信息，由前台定义提示信息，如:
			/*
				$.ajax({
				  'type':"POST",
				  'url':'/author/apply',
				  'data':'ac=search&q='+$('#keyword').val(),
				  'success':function(data){
					  if (typeof(data)=='object')   //如果服务器端的响应为Json对象
					  {
						if(typeof(data.error)!='undefined')   //服务器端响应的错误消息
						{
							alert(data.error);
						}else{		//服务器端无错误消息则为成功的响应
							alert(data.length);
						}
					  }else{ 		//服务器端响应了非JSON对象或者为空
						  alert('无搜索结果');  
					  }
				  },
				  'beforeSend':function(){
					  //请求发送前
					  }
			  });
			  
			  错误消息的键名必须为error，不包含JS脚本,如：
			  $data['error'] = '服务器忙!';
			*/
			$data = "";
			
			//防止通过其它方式访问，先判断是否是登录用户，如果不是，抛出消息后强制用户退出
			$auth = Zend_Auth::getInstance();
			if($auth->hasIdentity())
			{
				$user = $auth->getIdentity();
				$u_id = $user->id;
			}else{
				$data = array("error"=>"请先登录");
				$this	->getResponse()
						->setHeader('Content-Type', 'application/json')
						->appendBody(Zend_Json::encode($data));
				exit();
			}
			
			
			//数据处理代码 EOH<<<<<<<<<<<<<<<<
			try{
				
				$keyword = trim($this->_request->getParam('q'));
				if (!preg_match_all("/^[\x{4e00}-\x{9fa5}A-Za-z0-9_]+$/u",$keyword,$matchs))
				{
					$data = array('error'=>'搜索关键字中只能包含汉字、英文、数字');
				}
				else
				{
					//搜索标题和描述两个字段
					$sql = "SELECT m.uuid,m.title,m.description,a.status,a.userid FROM normalmetadata m
							LEFT JOIN mdauthor a ON m.uuid=a.uuid 
							WHERE m.title like ? OR m.description like ?";
					$sth = $this->db->prepare($sql);
					$sth->execute(array("%$keyword%","%$keyword%"));
					$rows = $sth->fetchAll();
					
					if(is_array($rows) && count($rows)>0)
					$data = $rows;
					else
					$data = "";
				}
			
			}catch(Exception $e){
				//如果上面的程序已经发送出提示，就不发送抛出的错误
				if(empty($data['error']))
				{
					if($this->debug==0)
					{
						$data = array("error"=>"处理过程中遇到错误，请重新尝试");
					}else{
						$data = array("error"=>$e->getMessage());
					}
				}
			}	
			// >>>>>>>>>>> F
			
			//截获响应对象，并修改头部和内容
			//不管有没有数据存在，都将返回Json数据，前台有判断机制来分析数据
			
			$this	->getResponse()
					->setHeader('Content-Type', 'application/json')
					->appendBody(Zend_Json::encode($data));
		}// search
		
		
		/****************
		 	 申请动作
		 ****************/
		if($ac == "apply")
		{
			$this->_helper->layout->disableLayout();
			$this->_helper->viewRenderer->setNoRender();
			
			$data = ""; 
			
			$auth = Zend_Auth::getInstance();
			if($auth->hasIdentity())
			{
				$user = $auth->getIdentity();
				$u_id = $user->id;
				$u_email = $user->email;
			}
			
			//处理部分<<<<<<<<<<
			try{
				
				$uuid = $this->_request->getParam('uuid');
				$m = $this->_request->getParam('m');
				
				if(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))
				{
					
					//判断该用户是否已经申请过或者是否已经是该元数据作者
					$sql="SELECT id,status FROM mdauthor WHERE uuid=? AND userid=?";
					$sth = $this->db->prepare($sql);
					$sth->execute(array($uuid,$u_id));
					$row = $sth->fetch();
						
					//如果已经是元数据作者，从流程中直接退出程序
					if(!empty($row['id']) && $row['status']==1)
					{
						$data = array("error"=>"您目前已经是该数据作者，不需要再申请");
					}
					
					//如果已经遭到明确拒绝，则不允许用户再次申请
					if(!empty($row['id']) && $row['status']==-1)
					{
						$data = array("error"=>"您的申请已经遭到拒绝，不能再申请，有疑问请联系数据中心");
					}
					
					
					//如果已经存在申请，但是没有激活的，返回激活信息
					if($row['status']==0){
					if(!empty($row['id']) && empty($m))
					{
						$data = array(
							"error"=>'您已经申请过了，如果长时间没有收到回应请联系数据中心',
							"post"=>"activa",
							"uid"=>$u_id,
							"uemail"=>$u_email,
							"uuid"=>$uuid,
						);
					}//if
					
					else{
						
						$info = $this->getEmail($uuid,1);

						$address = $info['addrs'];

						$mdtitle = $info['title'];
						
						//如果当前用户的email包含在元数据作者email列表中，则直接使其成为元数据作者
						if(in_array($u_email,$address))
						{
							$sql = "INSERT INTO mdauthor (uuid,userid,activation,ts_activated,status) VALUES (?,?,?,?,?)";
							$sth = $this->db->prepare($sql);
							$ex = $sth->execute(array($uuid,$u_id,'','now()',1));
							if($ex)
							{
								$data = array("error"=>"您的身份符合申请条件，已经自动成为该元数据作者");
								include_once("EmailText.php");
								$mail=new WestdcMailer($this->view->config->smtp);
								$mail->setFrom($this->view->config->service->email,'西部数据中心服务组');
								$mailtp=new EmailText($this->db,"author-newmember",array(
									'user' => $user->realname,
									'uuid' => $uuid,
									'title'=> $mdtitle,
									'email'=> $u_email,
									));
								$mail->setBodyText($mailtp->getBody());
								$mail->setSubject($mailtp->getSubject());
/*
mail=>元数据有新作者加入 
id=>author-newmember
body=>
您好:
　　{user} ({email}) 已经申请成为元数据《{title}》的作者，如果有疑问请联系该作者或者数据中心服务组
　　　　　　　　　　　　　　　　　　　　中国西部环境与生态科学数据中心
*/
								if($this->debug==0)
								{
									foreach ($address as $dist)
									{$mail->addTo($dist);}	//元数据作者
									$mail->addTo($u_email);
									$mail->addCc($this->view->config->service->email);	//管理员
								}else{
									$mail->addTo($this->debug_email);
								}
								$mail->send();
							}
							else
							{
								$data = array("error"=>"处理中出现错误，请重新尝试");
							}
						}
						
						//如果不包含在当前元数据作者的email列表中
						//给数据拥有者发送邮件，使其决定是否同意新加入作者
						else
						{
							//生成激活码
							$ssid = session_id();
							$vdcode = md5($uuid.$ssid.$u_id.time());
							
							//激活链接
							// /author/accept/?ac=active&vdcode=$vdcode
							if(empty($m))
							{
								$sql = "INSERT INTO mdauthor (uuid,userid,activation) VALUES (?,?,?)";
								$sth = $this->db->prepare($sql);
								$ex = $sth->execute(array($uuid,$u_id,$vdcode));
							}else{
								$sql = "UPDATE mdauthor SET activation=?,ts_created=? WHERE uuid=? AND userid=?";
								$sth = $this->db->prepare($sql);
								$ex = $sth->execute(array($vdcode,'now()',$uuid,$u_id));
							}
							
							if($ex)
							{
								
								//给拥有者发送邮件
								include_once("EmailText.php");
								@$mail=new WestdcMailer($this->view->config->smtp);
								@$mail->setFrom($this->view->config->service->email,'西部数据中心服务组');
								@$mailtp=new EmailText($this->db,"author-apply",array(
									'user' => $user->username,
									'uuid' => $uuid,
									//元数据标题
									'title'=> $mdtitle,
									));
								@$mail->setBodyText($mailtp->getBody());
/*
mail=>申请成为数据作者
id=>author-apply
body=>
您好：
　　您申请成为元数据《{title}》的作者，目前已经提交申请，请等待专家审核

　　　　　　　　　　　　　　　　　　　　中国西部环境与生态科学数据中心　
*/	
								@$mail->setSubject($mailtp->getSubject());
								if($this->debug==0)
								{
									@$mail->addTo($user->email);
								}else{
									@$mail->addTo($this->debug_email);
								}
								
								@$mail->send();
								
								unset($mail);
								unset($mailtp);
								//给原来的元数据作者以及管理员发送邮件
								@$mail=new WestdcMailer($this->view->config->smtp);
								@$mail->setFrom($this->view->config->service->email,'西部数据中心服务组');
								@$mailtp=new EmailText($this->db,"author-apply-confirm",array(
									'user' => $user->username,
									'uuid' => $uuid,
									'email'=> $u_email,
									'title'=> $mdtitle,
									'link'=>"http://".$_SERVER['SERVER_NAME']."/data/$uuid",
									
									//验证码
									'vdcode' => $vdcode,
									
									//激活链接
									'active'=>"http://".$_SERVER['SERVER_NAME']."/author/accept/?ac=active&v=$vdcode",
									
									//不同意激活的链接
									'lock'=>"http://".$_SERVER['SERVER_NAME']."/author/accept/?ac=lock&v=$vdcode",
									));
								@$mail->setBodyText($mailtp->getBody());
								@$mail->setSubject($mailtp->getSubject());
/*
mail=>元数据作者激活
id=>author-apply-confirm
body=>
您好：
　　元数据《{title}》有新用户 {user} (Email:{email})申请成为作者。
如果同意该申请，请点击这条链接
{active}

如果不同意该申请，请点击这条链接
{lock}

元数据访问地址：{link}
　　　　　　　　　　　　　　　　　　　　中国西部环境与生态科学数据中心　
*/								
								if($this->debug==0)
								{
									foreach ($address as $dist)
									{$mail->addTo($dist);}	//元数据作者
									//$mail->addCc($this->view->config->service->email);	//管理员
								}else{
									@$mail->addTo($this->debug_email);
								}
								
								@$mail->send();
								
								$data = array("error"=>"您的申请已收到，请耐心等待回应");
								
							}else{
								$data = array("error"=>"服务器可能在忙，请重试。");
							}//激活码记录
						}//不是确认的元数据作者
					}//empty($row['id'])
					}// status == 0
					
					//调试输出结果
					//$data = array('addr'=>$address,'uemail'=>$u_email);
				}
				else
				{
					$data = array('error'=>'参数出错，请按照正确的访问方式申请');
				}
			}catch(Exception $e){
				if(empty($data['error']))
				{
					if($this->debug==0)
					{
						$data = array("error"=>"处理过程中遇到错误，请重新尝试");
					}else{
						$data = array("error"=>$e->getMessage());
					}
			
				}
			}
			
			// >>>>>>>>>>>>
			
			$this	->getResponse()
					->setHeader('Content-Type', 'application/json')
					->appendBody(Zend_Json::encode($data));
					
		}// ac = apply 申请处理
		
   }//applyAction() 申请成为元数据作者
   
   
   
   /*
   * authoredAction() 数据反馈
   *
   * param string $ac			动作
   * param string $uuid			元数据UUID
   * param int $page			页数
   *
   * return view
   */
   function authoredAction()
   {
	   $ac = $this->_request->getParam('ac');
	   
	   $auth = Zend_Auth::getInstance();
		if($auth->hasIdentity())
		{
			$user = $auth->getIdentity();
			$u_id = $user->id;
		}
	   
	   if(empty($ac)|| $ac=='list')
	   {
			$sql = "SELECT md.title,md.uuid,count(c.id) as c FROM comments c
					LEFT JOIN metadata md ON md.uuid=c.uuid
					LEFT JOIN mdauthor a ON md.uuid=a.uuid
					WHERE md.title IS NOT NULL AND a.userid=?
					GROUP BY md.title,md.uuid
					";
			$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;
			
	   }
	   
	   if($ac=="view")
	   {
		   
		   $uuid = $this->_request->getParam('uuid');
		   if(preg_match("/^[0-9A-Za-z]{8}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{4}-[0-9A-Za-z]{12}$/",$uuid))
		   {
				$sql = "SELECT c.author,c.email,c.url,c.ts_created,c.content FROM comments c
						LEFT JOIN mdauthor a ON a.uuid=c.uuid
						WHERE c.uuid=? AND a.userid=?
						ORDER BY ts_created DESC";
						
				$sth = $this->db->prepare($sql);
				$sth->execute(array($uuid,$u_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;
		   }
		   
		   $this->_helper->viewRenderer('authored-list');
	   }
	   
	   if($ac == "listall")
	   {
			$sql = "SELECT md.title,c.author,c.email,c.url,c.ts_created,c.content FROM comments c
					LEFT JOIN mdauthor a ON a.uuid=c.uuid
					LEFT JOIN metadata md ON md.uuid=c.uuid
					WHERE a.userid=?
					ORDER BY ts_created 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(10);
			$paginator->setView($this->view);
			Zend_View_Helper_PaginationControl::setDefaultViewPartial('pagination_param.phtml');
			$this->view->paginator=$paginator;
		   
			$this->_helper->viewRenderer('authored-listall');
	   }
   }// authoredAction() 数据反馈
   
   
   /*
   * newsAction() 数据新闻
   *
   * param string $ac
   *
   *
   */
   function newsAction(){
	   
		$ac = $this->_request->getParam('ac');
	   
		$auth = Zend_Auth::getInstance();
		if($auth->hasIdentity())
		{
			$user = $auth->getIdentity();
			$u_id = $user->id;
		}
	   
		//新闻发布
		if($ac == "add")
		{
			$this->_helper->viewRenderer('news-add');
		}// $ac == add
		
		//新闻发布的ajax动作
		if($ac =="addnews")
		{
			$this->_helper->layout->disableLayout();
			$this->_helper->viewRenderer->setNoRender();
			
			$data = array();
		   
			$data['title'] = $this->_request->getParam('title');
			$data['keyword'] = $this->_request->getParam('keyword');
			$data['body'] = $this->_request->getParam('body');
			
			foreach($data as $k=>$v)
			{
				$data[$k]=preg_replace("#<a([^>]*)>(.*)</a>#i","",$v);
				$data[$k]=preg_replace("#<script([^>]*)>(.*)</script>#i","",$v);
				$data[$k]=preg_replace("#<iframe([^>]*)>(.*)</iframe>#i","",$v);
			}
			
			$msg = array();
			
			if(mb_strlen($data['title'],"utf-8")<=6)
			{
				$msg['status'] == 0;
				$msg['error'] == '标题太短，请重新填写';
				$this	->getResponse()
					->setHeader('Content-Type', 'application/json')
					->appendBody(Zend_Json::encode($msg));
				return false;
			}

			
		}
	   
	   
   }//newsAction() 数据新闻

   
}