2013-05-06 09:01:14 +00:00
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<?php
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class Author extends Zend_Controller_Plugin_Abstract
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{
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public $db; //传入PDO对象.
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private $auth = NULL; //Zend_Auth 对象
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//使用到的公共变量
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public $tbl_metadata = "metadata"; //元数据
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public $tbl_author = "mdauthor"; //数据作者表
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function __construct($db)
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{
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$this->db = $db;
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}
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//检查前台用户对某条数据的权限
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function checkAuthor($uuid,$uid=0)
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{
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if(empty($uid))
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{
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$auth = Zend_Auth::getInstance();
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if($auth->hasIdentity())
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{
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$user = $auth->getIdentity();
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$uid = $user->id;
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}
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}
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if(!empty($uid))
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{
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$sql = "SELECT * FROM ".$this->tbl_author." WHERE uuid='$uuid' AND userid=$uid";
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}else{
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return false;
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}
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$rs = $this->db->query($sql);
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$row = $rs->fetch(PDO::FETCH_BOTH);
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if($row['status']>0)
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{
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return true;
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}else{
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return false;
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}
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}
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}
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class Literature extends Author
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{
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public function __construct($db)
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{
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$this->db = $db;
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}
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function byuuid($uuid){
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include_once("helper/view.php");
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$uid = view::User('id');
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$sql = "SELECT md.title,md.uuid,r.id,r.reference,r.link,mr.place FROM mdref mr
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LEFT JOIN metadata md ON md.uuid=mr.uuid
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LEFT JOIN mdauthor a ON md.uuid=a.uuid
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left join reference r on mr.refid=r.id
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WHERE md.title IS NOT NULL AND a.userid=? and mr.uuid=? AND a.status=1
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order by mr.place ASC,r.id DESC,md.ts_created desc
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";
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$sth = $this->db->prepare($sql);
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$sth->execute(array($uid,$uuid));
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$rows = $sth->fetchAll();
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return $rows;
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}
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function edit($id,$content){
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include_once("helper/dbh.php");
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$dbh = new dbh($this->db);
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$data = array(
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'reference' => $content
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);
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$s = $dbh->update("reference",$data," id=$id ",false);
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return $s;
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}
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function order($id,$order){
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include_once("helper/dbh.php");
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$dbh = new dbh($this->db);
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$data = array(
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'place' => $order
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);
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$s = $dbh->update("mdref",$data," refid=$id ",false);
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return $s;
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}
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function bydata($keywords=""){
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$auth = Zend_Auth::getInstance();
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if($auth->hasIdentity())
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{
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$user = $auth->getIdentity();
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$uid = $user->id;
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}else{
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return false;
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}
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$sql = "SELECT md.title,md.uuid,count(mr.id) as c FROM metadata md
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LEFT JOIN mdref mr ON md.uuid=mr.uuid
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LEFT JOIN mdauthor a ON md.uuid=a.uuid
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left join reference r on mr.refid=r.id
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WHERE md.title IS NOT NULL AND a.userid=$uid AND a.status=1";
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if(!empty($keywords))
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{
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include_once('SimpleSearch.php');
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$search=new SimpleSearch($keywords);
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$where=$search->sql_expr(array("md.title","md.description"));
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$sql.=' and '.$where;
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}
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$sql.=" group by md.uuid,md.title";
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$sth = $this->db->query($sql);
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$rows = $sth->fetchAll();
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return $rows;
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}
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}
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