在Doctrine ORM中创建文件上载模板

时间:2009-11-08 09:11:00

标签: php model-view-controller orm doctrine

我正在使用Doctrine 1.2作为Zend Framework项目的ORM。我为文件定义了以下模型。

File:
    columns:
        id:
            primary: true
            type: integer(4)
            unsigned: true
        code:
            type: string(255)
            unique: true
            notblank: true
        path:
            type: string(255)
            notblank: true
        size:
            type: integer(4)
        type:
            type: enum
            values: [file,document,image,video,audio,web,application,archive]
            default: unknown
            notnull: true
        mimetype:
            type: string(20)
            notnull: true
        width:
            type: integer(2)
            unsigned: true
        height:
            type: integer(2)
            unsigned: true

现在这里是文件模型php类(现在只是略过):

<?php

/**
 * File
 *
 * This class has been auto-generated by the Doctrine ORM Framework
 *
 * @package    ##PACKAGE##
 * @subpackage ##SUBPACKAGE##
 * @author     ##NAME## <##EMAIL##>
 * @version    SVN: $Id: Builder.php 6365 2009-09-15 18:22:38Z jwage $
 */
class File extends BaseFile {

 public function setUp ( ) {
  $this->hasMutator('file', 'setFile');
  parent::setUp();
 }

 public function setFile ( $file ) {
  global $Application;

  // Configuration
  $config = array();
  $config['bal'] = $Application->getOption('bal');

  // Check the file
  if ( !empty($file['error']) ) {
   $error = $file['error'];
   switch ( $file['error'] ) {
    case UPLOAD_ERR_INI_SIZE :
     $error = 'ini_size';
     break;
    case UPLOAD_ERR_FORM_SIZE :
     $error = 'form_size';
     break;
    case UPLOAD_ERR_PARTIAL :
     $error = 'partial';
     break;
    case UPLOAD_ERR_NO_FILE :
     $error = 'no_file';
     break;
    case UPLOAD_ERR_NO_TMP_DIR :
     $error = 'no_tmp_dir';
     break;
    case UPLOAD_ERR_CANT_WRITE :
     $error = 'cant_write';
     break;
    default :
     $error = 'unknown';
     break;
   }
   throw new Doctrine_Exception('error-application-file-' . $error);
   return false;
  }
  if ( empty($file['tmp_name']) || !is_uploaded_file($file['tmp_name']) ) {
   throw new Doctrine_Exception('error-application-file-invalid');
   return false;
  }

  // Prepare config
  $file_upload_path = realpath($config['bal']['files']['upload_path']) . DIRECTORY_SEPARATOR;

  // Prepare file
  $filename = $file['name'];
  $file_old_path = $file['tmp_name'];
  $file_new_path = $file_upload_path . $filename;
  $exist_attempt = 0;
  while ( file_exists($file_new_path) ) {
   // File already exists
   // Pump exist attempts
   ++$exist_attempt;
   // Add the attempt to the end of the file
   $file_new_path = $file_upload_path . get_filename($filename,false) . $exist_attempt . get_extension($filename);
  }

  // Move file
  $success = move_uploaded_file($file_old_path, $file_new_path);
  if ( !$success ) {
   throw new Doctrine_Exception('Unable to upload the file.');
   return false;
  }

  // Secure
  $file_path = realpath($file_new_path);
  $file_size = filesize($file_path);
  $file_mimetype = get_mime_type($file_path);
  $file_type = get_filetype($file_path);

  // Apply
  $this->path = $file_path;
  $this->size = $file_size;
  $this->mimetype = $file_mimetype;
  $this->type = $file_type;

  // Apply: Image
  if ( $file_type === 'image' ) {
   $image_dimensions = image_dimensions($file_path);
   if ( !empty($image_dimensions) ) {
    // It is not a image we can modify
    $this->width = 0;
    $this->height = 0;
   } else {
    $this->width = $image_dimensions['width'];
    $this->height = $image_dimensions['height'];
   }

  }

  // Done
  return true;
 }

 /**
  * Download the File
  * @return
  */
 public function download ( ) {
  global $Application;

  // File path
  $file_upload_path = realpath($config['bal']['files']['upload_path']) . DIRECTORY_SEPARATOR;
  $file_path = $file_upload_path . $this->file_path;

  // Output result and download
  become_file_download($file_path, null, null);
  die();
 }

 public function postDelete ( $Event ) {
  global $Application;
  // Prepare
  $Invoker = $Event->getInvoker();

  // Configuration
  $config = array();
  $config['bal'] = $Application->getOption('bal');

  // File path
  $file_upload_path = realpath($config['bal']['files']['upload_path']) . DIRECTORY_SEPARATOR;
  $file_path = $file_upload_path . $this->file_path;

  // Delete the file
  unlink($file_path);

  // Done
  return true;
 }
}

我希望实现的目的是使模型文件中的上述自定义功能可以转换为验证器,模板或其他内容。

所以希望我可以这样做:

File:
    actAs:
        BalFile:
    columns:
        id:
            primary: true
            type: integer(4)
            unsigned: true
        code:
            type: string(255)
            unique: true
            notblank: true
        path:
            type: string(255)
            notblank: true
        size:
            type: integer(4)
        type:
            type: enum
            values: [file,document,image,video,audio,web,application,archive]
            default: unknown
            notnull: true
        mimetype:
            type: string(20)
            notnull: true
        width:
            type: integer(2)
            unsigned: true
        height:
            type: integer(2)
            unsigned: true

我希望有一个验证器,如果我这样做

$File->setFile($_FILE['uploaded_file']);

它将提供验证错误,除了在所有学说文档中它几乎没有自定义验证器,特别是在“虚拟”字段的情况下。

总而言之,我的问题是: 我可以如何制作模板/扩展来移植此功能?我之前尝试过模板,但总是在一天后放弃:/如果您可以花时间移植上面的内容,我会非常感激。

1 个答案:

答案 0 :(得分:0)

在我要求解决问题的问题中,在我提出的解决方案中,我首先解决了问题。

相反,我使用带有前缀的SVN外部和Doctrine PEAR样式模型来处理通用代码。这样就有:models / Bal / File.php,其中Bal是一个svn外部文件夹。为了验证,我决定使用静态构造函数,例如:File :: createFromUpload($ _ FILES ['myFile'])File :: createFormPath($ myFilePath);然后会抛出异常,由应用程序业务逻辑(控制器)处理。

此处可见的源代码: http://github.com/balupton/balphp/blob/master/trunk/lib/models/File.php