phpmyadmin/libraries/plugins/import/upload/UploadProgress.class.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Provides upload functionalities for the import plugins
   5  *
   6  * @package PhpMyAdmin
   7  */
   8 if (! defined('PHPMYADMIN')) {
   9     exit;
  10 }
  11
  12 /* Get the transformations interface */
  13 require_once 'libraries/plugins/UploadInterface.int.php';
  14
  15 /**
  16  * Implementation for upload progress
  17  *
  18  * @package PhpMyAdmin
  19  */
  20 class UploadProgress implements UploadInterface
  21 {
  22     /**
  23      * Gets the specific upload ID Key
  24      *
  25      * @return string ID Key
  26      */
  27     public static function getIdKey()
  28     {
  29         return 'UPLOAD_IDENTIFIER';
  30     }
  31
  32     /**
  33      * Returns upload status.
  34      *
  35      * This is implementation for upload progress
  36      *
  37      * @param string $id upload id
  38      *
  39      * @return array|null
  40      */
  41     public static function getUploadStatus($id)
  42     {
  43         global $SESSION_KEY;
  44
  45         if (trim($id) == "") {
  46             return null;
  47         }
  48
  49         if (! array_key_exists($id, $_SESSION[$SESSION_KEY])) {
  50             $_SESSION[$SESSION_KEY][$id] = array(
  51                 'id'       => $id,
  52                 'finished' => false,
  53                 'percent'  => 0,
  54                 'total'    => 0,
  55                 'complete' => 0,
  56                 'plugin'   => UploadProgress::getIdKey()
  57             );
  58         }
  59         $ret = $_SESSION[$SESSION_KEY][$id];
  60
  61         if (! PMA_import_progressCheck() || $ret['finished']) {
  62             return $ret;
  63         }
  64
  65         $status = uploadprogress_get_info($id);
  66
  67         if ($status) {
  68             if ($status['bytes_uploaded'] == $status['bytes_total']) {
  69                 $ret['finished'] = true;
  70             } else {
  71                 $ret['finished'] = false;
  72             }
  73             $ret['total']    = $status['bytes_total'];
  74             $ret['complete'] = $status['bytes_uploaded'];
  75
  76             if ($ret['total'] > 0) {
  77                 $ret['percent'] = $ret['complete'] / $ret['total'] * 100;
  78             }
  79         } else {
  80             $ret = array(
  81                 'id'       => $id,
  82                 'finished' => true,
  83                 'percent'  => 100,
  84                 'total'    => $ret['total'],
  85                 'complete' => $ret['total'],
  86                 'plugin'   => UploadProgress::getIdKey()
  87             );
  88         }
  89
  90         $_SESSION[$SESSION_KEY][$id] = $ret;
  91         return $ret;
  92     }
  93 }
  94 ?>