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<?php
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// +----------------------------------------------------------------------
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// | OneThink [ WE CAN DO IT JUST THINK IT ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2013 http://www.onethink.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Author: 麦当苗儿 <zuojiazi@vip.qq.com> <http://www.zjzit.cn>
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// +----------------------------------------------------------------------
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namespace Media\Logic;
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/**
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* 文档模型子模型 - 下载模型
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*/
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class DownloadLogic extends BaseLogic{
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/* 自动验证规则 */
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protected $_validate = array(
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array('content', 'require', '内容不能为空！', self::MUST_VALIDATE , 'regex', self::MODEL_BOTH),
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);
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/* 自动完成规则 */
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protected $_auto = array();
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public function update($id){
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/* 获取下载数据 */ //TODO: 根据不同用户获取允许更改或添加的字段
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$data = $this->field('download', true)->create();
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if(!$data){
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return false;
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}
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$file = json_decode(think_decrypt(I('post.file')), true);
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if(!empty($file)){
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$data['file_id'] = $file['id'];
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$data['size'] = $file['size'];
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} else {
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$this->error = '获取上传文件信息失败！';
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return false;
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}
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/* 添加或更新数据 */
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if(empty($data['id'])){//新增数据
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$data['id'] = $id;
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$id = $this->add($data);
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if(!$id){
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$this->error = '新增详细内容失败！';
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return false;
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}
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} else { //更新数据
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$status = $this->save($data);
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if(false === $status){
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$this->error = '更新详细内容失败！';
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return false;
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}
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}
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return true;
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}
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/**
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* 下载文件
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* @param number $id 文档ID
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* @return boolean 下载失败返回false
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*/
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public function download($id){
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$info = $this->find($id);
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if(empty($info)){
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$this->error = "不存在的文档ID：{$id}";
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return false;
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}
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$File = D('File');
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$root = C('DOWNLOAD_UPLOAD.rootPath');
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$call = array($this, 'setDownload');
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if(false === $File->download($root, $info['file_id'], $call, $info['id'])){
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$this->error = $File->getError();
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}
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}
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/**
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* 新增下载次数（File模型回调方法）
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*/
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public function setDownload($id){
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$map = array('id' => $id);
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$this->where($map)->setInc('download');
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}
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}
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