UploadImgController.class.php
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<?php
/**
* 图片上传
*
* 由于UC获取临时素材是异步的，所以前端至少会请求2次。分别是上传和请求图片地址。
* 参数atId不为空并且wxid不为空时，是轮询请求图片地址。
* 参数atId为空并且wxid不为空时，是上传临时图片素材
*
* Created by PhpStorm.
* User: mr.song
* Date: 2016/7/22
* Time: 16:49
*/
namespace Api\Controller\Attachment;
use VcySDK\Service;
use VcySDK\Attach;
use Common\Common\Attach as CommonAttach;
class UploadImgController extends AbstractController
{
protected $_require_login = false;
/**
* VcySDK 附件操作类
*
* @type Attach
*/
protected $_attach;
/**
* 微信素材ID
*
* @var string
*/
protected $_wxid;
/**
* 附件ID
*
* @var string
*/
protected $_atId;
/**
* 企业标识
*
* @var string
*/
protected $_identifier;
public function before_action($action = '')
{
if (! parent::before_action($action)) {
return false;
}
$serv = &Service::instance();
$this->_attach = new Attach($serv);
return true;
}
public function Index()
{
// 微信文件ID
$this->_wxid = I('post.wxid');
// 附件ID
$this->_atId = I('post.atId');
// 企业标识
$this->_identifier = I('post._identifier');
// 参数错误
if (empty($this->_wxid)) {
$this->_set_error('_ERR_PARAMS_UNALLOWED');
return false;
}
/**
* 根据参数判断是什么业务，进行相应的处理
* -- 附件ID参数不为空时，是获取附件信息操作
* -- 附件ID为空时, 是上传附件
*/
if (empty($this->_atId)) {
$this->_upload();
} else {
$this->_getDetail();
}
return true;
}
/**
* 上传临时图片素材到UC
*
* @return array 返回UC返回的参数
*/
protected function _upload()
{
$params = array(
'memUid' => empty($this->_login->user) ? null : $this->_login->user['memUid'],
'mediaId' => $this->_wxid,
'fileType' => Attach::TYPE_IMG,
'plIdentifier' => $this->_identifier,
'callbackUrl' => oaUrl('Api/Attachment/UploadCallback', array(), '', 'Public') . '?_identifier=' . $this->_identifier
);
$attach = $this->_attach->getMedia($params);
// 上传错误
if (empty($attach)) {
$this->_set_error('_ERR_UPLOAD_ERROR');
}
// 缓存标记
CommonAttach::instance()->setWaitingFlag($attach['atId']);
$this->_result = array(
'wxid' => $this->_wxid,
'atId' => $attach['atId'],
'atMqStatus' => 0
);
return true;
}
/**
* 获取附件详情
*
* @return array
*/
protected function _getDetail()
{
$flag = CommonAttach::instance()->getFlag($this->_atId);
// 如果已经通知了, 并且附件处理出错
if (CommonAttach::FLAG_ERROR == $flag) {
$this->_result = array(
'atId' => $this->_atId,
'atMqStatus' => 2
);
return true;
} elseif (CommonAttach::FLAG_WAITING == $flag) { // 上传中
$this->_result = array(
'atId' => $this->_atId,
'atMqStatus' => 0
);
return true;
}
// 获取附件信息
$attach = $this->_attach->fetch(array(
'atId' => $this->_atId
));
// 非图片附件
if (stripos($attach['atAttachment'], '/image/') === false) {
$this->_result = array(
'wxid' => $this->_wxid,
'atId' => $this->_atId,
'atMqStatus' => 0
);
} else {
$this->_result = array(
'wxid' => $this->_wxid,
'atId' => $attach['atId'],
'atFilename' => $attach['atFilename'],
'atFilesize' => formatBytes($attach['atFilesize']),
'atAttachment' => imgUrl($attach['atId']),
'atMqStatus' => 1,
'atCreated' => $attach['atCreated']
);
}
return true;
}
}