650 lines
12 KiB
PHP
650 lines
12 KiB
PHP
<?php
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/**
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* Archive - 统一文档类，实现各类文档的读取和IO操作，包括新闻、帮助、想法等。
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*/
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class Archive
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{
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private $db; //传入PDO对象
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public $ptype; //文档分类
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public $tbl_archives; //文档表
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public $tbl_categorys; //栏目表
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public $tbl_catalog; //文档栏目关联表
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public $tbl_tag; //关键字表
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private $DefaultFetchMode; //默认检索模式，防止出现sdtClass错误
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function __construct($db)
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{
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$this->db = $db;
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//文档的大分类
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//在数组中设置文档分类
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//"中文名称" => "数据库中标识"
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$this->ptype = array(
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"新闻" => "news",
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"想法" => "idea",
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"帮助" => "help",
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"关于" => "about"
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);
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$this->tbl_archives = "archive";
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$this->tbl_categorys = "ar_category";
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$this->tbl_catalog = "ar_catalog";
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$this->tbl_tag = "ar_tag";
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$this->DefaultFetchMode = "PDO::FETCH_BOTH";
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}
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/*
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写入关系表
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不能外部调用
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*/
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private function ToCatalog($aid,$cid,$uuid='',$status=0){
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if(empty($aid) || !is_numeric($aid))
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{
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return false;
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}
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if(empty($cid) && empty($uuid))
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{
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return false;
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}
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$data = array(
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"aid" => $aid,
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"cid" => $cid,
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"status" => $status
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);
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if(!empty($uuid))
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{
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$data['uuid'] = $uuid;
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}
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if($this->db->insert($this->tbl_catalog,$data))
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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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}//ToCatalog()
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//写入关系表，外部只能调用此接口
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public function AddToCatalog($aid,$cid,$uuid='',$status=0)
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{
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if(!is_numeric($aid))
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{
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return false;
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}
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if(!is_array($cid) && !is_numeric($cid))
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{
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return false;
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}
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if(is_array($cid) && count($cid)<1)
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{
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return false;
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}
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//多个cid
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if(is_array($cid))
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{
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foreach($cid as $v)
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{
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//多个UUID
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if(is_array($uuid))
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{
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foreach ($uuid as $vv)
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{
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$this->ToCatalog($aid,$v,$vv,$status);
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}
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}
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//单个UUID
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else{
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$this->ToCatalog($aid,$v,$uuid,$status);
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}
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}
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return true;
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}
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//单个cid
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else{
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//多个UUID
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if(is_array($uuid))
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{
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foreach($uuid as $v)
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{
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$this->ToCatalog($aid,$cid,$v,$status);
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}
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return true;
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}
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//单个cid和uuid
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else{
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return $this->ToCatalog($aid,$cid,$uuid,$status);
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}
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}
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}//AddToCatalog
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//删除一个关系
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function DeleteCatalog($id)
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{
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$sql = "DELETE FROM ".$this->tbl_catalog." WHERE id=$id";
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@$this->db->exec($sql);
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}
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/*
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* 更改栏目 ChangeCatalog()
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*/
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function ChangeCatalog($aid,$typeid,$uuid='',$status=0){
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try{
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$sql = "SELECT * FROM ar_catalog WHERE aid=$aid";
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$sth = $this->db->query($sql);
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$rows = $sth->fetchAll();
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$types = array();
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foreach($rows as $k=>$v)
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{
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$types[] = $v['cid'];
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if(is_array($typeid))
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{
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if(!in_array($v['cid'],$typeid))
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{
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//删除一个栏目
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$this->DeleteCatalog($v['id']);
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}
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}else{
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$this->DeleteCatalog($v['id']);
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}
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}
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if(is_array($typeid))
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{
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foreach($typeid as $v)
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{
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if(!in_array($v,$types))
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{
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//添加一个栏目
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$this->ToCatalog($aid,$v,$uuid,$status);
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}
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}
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}else{
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$this->ToCatalog($aid,$typeid,$uuid,$status);
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}
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return true;
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}catch(Exception $e){
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return $e->getMessage();
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}
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}//ChangeCatalog
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//ChangeCatalogByUUID 根据UUID更改记录
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function ChangeCatalogByUUID($aid,$typeid,$uuid,$status=0)
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{
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try{
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$sql = "SELECT * FROM ar_catalog WHERE aid=$aid";
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$sth = $this->db->query($sql);
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$rows = $sth->fetchAll();
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$types = array();
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foreach($rows as $k=>$v)
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{
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$types[] = $v['uuid'];
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if(is_array($uuid))
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{
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if(!in_array($v['uuid'],$uuid))
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{
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//删除一个栏目
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$this->DeleteCatalog($v['id']);
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}
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}else{
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$this->DeleteCatalog($v['id']);
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}
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}
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if(is_array($uuid))
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{
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foreach($uuid as $v)
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{
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if(!in_array($v,$types))
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{
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//添加一个记录
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$this->ToCatalog($aid,$typeid,$v,$status);
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}
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}
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}else{
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$this->ToCatalog($aid,$typeid,$uuid,$status);
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}
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return true;
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}catch(Exception $e){
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return $e->getMessage();
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}
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}//ChangeCatalogByUUID
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//修改文档状态
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function ChangeStatus($aid,$pub){
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if(empty($aid) || !is_numeric($aid))
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{
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return false;
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}
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if(!is_bool($pub))
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{
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return false;
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}
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$data = array(
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"is_pub" => $pub
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);
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if($this->db->update($this->tbl_archives,$data,"id=$aid"))
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{
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return true;
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}else{
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return false;
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}
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}//修改文档状态
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//删除文档
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function DeleteArchives($aid){
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if(empty($aid) || !is_numeric($aid))
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{
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return false;
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}
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$this->DeleteTags($aid);
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$sql = "DELETE FROM ".$this->tbl_archives." WHERE id=$aid";
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@$this->db->exec($sql);
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$sql = "DELETE FROM ".$this->tbl_catalog." WHERE aid=$aid";
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@$this->db->exec($sql);
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return true;
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}//DeleteArchives
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//写入标签关系
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function MakeTags($aid,$keywords){
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$keywords = trim($keywords);
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if(empty($aid) || !is_numeric($aid))
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{
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return false;
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}
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if(preg_match("/,/",$keywords))
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{
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$tag = explode(",",$keywords);
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}else{
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if($this->db->insert($this->tbl_tag,array("id"=>$aid,"tag"=>$keywords)))
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{
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return true;
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}else{
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return true;
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}
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}
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if(is_array($tag))
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{
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foreach($tag as $v)
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{
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$v = trim($v);
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if($v!='')
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{
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$this->db->insert($this->tbl_tag,array("id"=>$aid,"tag"=>$v));
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}
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}
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}
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return true;
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}//MakeTags
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//读取标签
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function GetTags($aid,$limit=0){
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if(empty($aid) || !is_numeric($aid))
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{
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return false;
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}
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$sql = "SELECT * FROM ".$this->tbl_tag." WHERE id=$aid";
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if(!empty($limit))
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{
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$sql .= " LIMIT $limit";
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}
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$sth = $this->db->query($sql);
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$rows = $sth->fetchAll();
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$keywords = array();
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foreach($rows as $k=>$v)
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{
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$keywords[] = $v['tag'];
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}
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return $keywords;
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}//GetTags
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//删除标签
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function DeleteTags($aid){
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if(empty($aid) || !is_numeric($aid))
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{
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return false;
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}
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$sql = "DELETE FROM ".$this->tbl_tag." WHERE id=$aid";
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@$this->db->exec($sql);
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return true;
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}//DeleteTags
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/*
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* addArchive() 添加档案
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*
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* @param array $data
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*
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* @return int;
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*/
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function addArchive($data,$typeid,$keyword='',$uuid='')
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{
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$data = $this->scanField($data);
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if($data == false)
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{
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return 0;
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}
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$config = \Zend_Registry::get('config');
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//执行SQL语句后返回插入文章表的ID
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$sql = "INSERT INTO ".$this->tbl_archives." (userid,title,description,image,source,ts_published,is_pub,body,sub)
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VALUES (
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".$data['userid'].",
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".$data['title'].",
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".$data['description'].",
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".$data['image'].",
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".$data['source'].",
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".$data['ts_published'].",
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".$data['is_pub'].",
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".$data['body'].",
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'".$config->sub->metadata."'
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)
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RETURNING id";
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try{
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$sth = $this->db->prepare($sql);
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if($sth->execute())
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{
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$temp = $sth->fetch(PDO::FETCH_ASSOC);
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$newAid = $temp['id'];
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$this->AddToCatalog($newAid,$typeid,$uuid);
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if(!empty($keyword))
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{
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$this->MakeTags($newAid,$keyword);
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}
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return $newAid;
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}else{
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return 0;
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}
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}catch(Exception $e)
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{
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return 0;
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}
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}//addArchive()
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/*
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* updateArchive() 更改文档
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*
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* @param array $data
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*
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* @return int
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*/
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function updateArchive($aid,$data,$typeid,$keyword='',$uuid='')
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{
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if(!is_numeric($aid))
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{
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return 0;
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}
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$data = $this->scanField($data);
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if($data == false)
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{
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return 0;
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}
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$sql = "UPDATE ".$this->tbl_archives." SET
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userid=".$data['userid'].",
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title=".$data['title'].",
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description=".$data['description'].",
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image=".$data['image'].",
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source=".$data['source'].",
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ts_published=".$data['ts_published'].",
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is_pub=".$data['is_pub'].",
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body=".$data['body']."
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WHERE id=$aid";
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try{
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if($this->db->exec($sql))
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{
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if(!empty($keyword))
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{
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$this->DeleteTags($aid);
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$this->MakeTags($aid,$keyword);
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}
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if(!is_array($uuid))
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{
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$this->ChangeCatalog($aid,$typeid,$uuid);
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}
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else{
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$this->ChangeCatalogByUUID($aid,$typeid,$uuid);
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}
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return $aid;
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}else{
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return 0;
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}
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}catch(Exception $e)
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{
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return 0;
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}
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}
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//扫描字段
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function scanField($data){
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if(!is_array($data))
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{
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return false;
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}
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//对特殊字段进行特别处理
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$data['title'] = $this->replaceHtml($data['title']);
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$data['description'] = $this->replaceHtml($data['description']);
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//将参数过滤一遍，如果是字符型字段
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//就执行db->quote()
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foreach($data as $k=>$v)
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{
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if(!is_numeric($v) || !is_bool($v))
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{
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$data[$k] = $this->db->quote($v);
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}
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}
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return $data;
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}//scanField
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//过滤UTF-8字符的html代码
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function replaceHtml($html)
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{
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$newString = htmlentities($html, ENT_QUOTES, "UTF-8");
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return $newString;
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}
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/************* 读取 ****************/
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/*
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* makeArchiveUrl()
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* 创建一个文档的链接
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* 连接地址需要和路由规则对应
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*
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* @param array $parts
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*
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* @return string;
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*/
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public function makeArchiveUrl($parts)
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{
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$http_host = "http://".$_SERVER ['HTTP_HOST'];
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$controller = "archives";
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$url = $http_host."/".$controller."/".$parts['ptype']."/".$parts['type_code']."/archive-".$parts['archive_id'].".html";
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//$url = $http_host."/".$controller."/".$parts['type_code']."/".$parts['archive_id'];
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return $url;
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}
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public function makeCategoryUrl($parts)
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{
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$http_host = "http://".$_SERVER ['HTTP_HOST'];
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$controller = "archives";
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$url = $http_host."/".$controller."/".$parts['ptype']."/".$parts['type_code']."";
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return $url;
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}
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/*
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* getArchiveUrl()
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* 通过文档ID和栏目ID获得某个文档的url
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* 仅适用于单个栏目的文档且已经得知其栏目ID
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* 如果是多个栏目的文档，则获取第一个栏目的文档连接
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*
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* @param int $aid
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*
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* @return string;
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*/
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function getArchiveUrlByCid($aid,$cid=0)
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{
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if(empty($aid) || !is_numeric($aid))
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{
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return false;
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}
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$ecField = array($aid);
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$wheresql = "";
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if(!empty($cid) && is_numeric($cid))
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{
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$wheresql = " AND c.id=? ";
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$ecField[] = $cid;
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}
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$sql = "SELECT arc.id,c.id as cid,c.title,c.code,c.ptype FROM ".$this->tbl_archives." arc
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LEFT JOIN ".$this->tbl_catalog." ct ON arc.id=ct.aid
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LEFT JOIN ".$this->tbl_categorys." c ON ct.cid = c.id
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WHERE arc.id=? $wheresql
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LIMIT 1";
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$sth = $this->db->prepare($sql);
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$sth->execute($ecField);
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$row = $sth->fetch(PDO::FETCH_BOTH);
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$url_parts = array(
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"ptype"=>$row['ptype'],
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"type_code"=>$row['code'],
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"archive_id"=>$row['id']
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);
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return array(
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'archive_url'=>$this->makeArchiveUrl($url_parts),
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'type_title'=>$row['title'],
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'type_id'=>$row['cid'],
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'type_url'=>$this->makeCategoryUrl($url_parts),
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);
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}//getArchiveUrlByCid()
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function getArchive($code='')
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{
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$sql = "select a.* from ".$this->tbl_archives." a
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left join ".$this->tbl_catalog." ac on a.id=ac.aid
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left join ".$this->tbl_categorys." c on ac.cid=c.id ";
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if (!empty($code)) $sql.=" where c.code='".$code."'";
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$rs=$this->db->query($sql);
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$rows=$rs->fetchAll();
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return $rows;
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}
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//getOneArchive 获取单个文档
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function getOneArchive($title,$ptype='news')
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{
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$sql="update ".$this->tbl_archives." set click=click+1";
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$this->db->query($sql);
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$sql = "select a.* from ".$this->tbl_archives." a
|
||
left join ".$this->tbl_catalog." ac on a.id=ac.aid
|
||
left join ".$this->tbl_categorys." c on ac.cid=c.id ";
|
||
$sql.=" where a.title=? and c.ptype=?";
|
||
$sth=$this->db->prepare($sql);
|
||
$sth->execute(array($title,$ptype));
|
||
$rows=$sth->fetch();
|
||
return $rows;
|
||
}//getOneArchive
|
||
|
||
/*
|
||
* getArchiveField() 读取某个文档的某个字段
|
||
*
|
||
* @param int $aid
|
||
*
|
||
* @return string
|
||
*/
|
||
function getArchiveField($aid,$field)
|
||
{
|
||
if(!is_numeric($aid))
|
||
{
|
||
return false;
|
||
}
|
||
|
||
$sql = "SELECT $field as output_string FROM ".$this->tbl_archives." WHERE id=$aid";
|
||
$sth = $this->db->query($sql);
|
||
$row = $sth->fetch();
|
||
|
||
return $row['output_string'];
|
||
}//getArchiveField
|
||
|
||
/*
|
||
* getArchiveByUUID() 通过UUID获得数据新闻
|
||
*
|
||
* @param uuid $uuid
|
||
*
|
||
* @return array
|
||
*/
|
||
function getArchiveByUUID($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))
|
||
{
|
||
return false;
|
||
}
|
||
|
||
$sql = "SELECT arc.* FROM archive arc
|
||
LEFT JOIN ar_catalog ct ON arc.id = ct.aid
|
||
WHERE ct.uuid='$uuid'";
|
||
$sth = $this->db->query($sql);
|
||
$rows = $sth->fetchAll(PDO::FETCH_BOTH);
|
||
|
||
return $rows;
|
||
|
||
}//getArchiveByUUID()
|
||
}
|