patients/get_patient_documents.php

   1 <?php
   2 /*
   3  * Download documents from OpenEMR to the patient portal in a zip file(get_patient_documents.php)
   4  *
   5  * This program is used to download patient documents in a zip file in the Patient Portal.
   6  * The original author did not pursue this but I thought it would be a good addition to
   7  * the patient portal
   8  *
   9  * @package OpenEMR
  10  * @author Terry Hill <terry@lilysystems.com>
  11  * @author Giorgos Vasilakos <giorg.vasilakos@gmail.com>
  12  * @copyright Copyright (C) 2015 Terry Hill <terry@lillysystems.com>
  13  * @copyright Copyright (C) 2012 Giorgos Vasilakos <giorg.vasilakos@gmail.com>
  14  * @link http://www.open-emr.org
  15  * @license https://github.com/openemr/openemr/blob/master/LICENSE GNU General Public License 3
  16  */
  17
  18     require_once("verify_session.php");
  19     include_once("$srcdir/documents.php");
  20     require_once($GLOBALS['fileroot'] . "/controllers/C_Document.class.php");
  21
  22     // get the temporary folder
  23     $tmp = $GLOBALS['temporary_files_dir'];
  24     // get all the documents of the patient
  25     $sql = "SELECT url, id, mimetype FROM `documents` WHERE `foreign_id` = ?";
  26     $fres = sqlStatement($sql, array($pid));
  27
  28     // for every document
  29 while ($file = sqlFetchArray($fres)) {
  30     // find the document category
  31     $sql = "SELECT name, lft, rght FROM `categories`, `categories_to_documents`
  32                                 WHERE `categories_to_documents`.`category_id` = `categories`.`id`
  33                                 AND `categories_to_documents`.`document_id` = ?";
  34     $catres = sqlStatement($sql, array($file['id']));
  35     $cat = sqlFetchArray($catres);
  36
  37     // find the tree of the documents category
  38     $sql = "SELECT name FROM categories WHERE lft < ? AND rght > ? ORDER BY lft ASC";
  39     $pathres = sqlStatement($sql, array($cat['lft'], $cat['rght']));
  40
  41     // create the tree of the categories
  42     $path = "";
  43     while ($parent = sqlFetchArray($pathres)) {
  44         $path .= convert_safe_file_dir_name($parent['name'])."/";
  45     }
  46
  47     $path .= convert_safe_file_dir_name($cat['name'])."/";
  48     // create the folder structure at the temporary dir
  49     if (!is_dir($tmp."/".$pid."/".$path)) {
  50         if (!mkdir($tmp."/".$pid."/".$path, 0777, true)) {
  51             echo xlt("Error creating directory!")."<br />";
  52         }
  53     }
  54
  55     // copy the document
  56     $documentId = $file['id'];
  57     $obj = new \C_Document();
  58     $document = $obj->retrieve_action("", $documentId, true, true, true);
  59     if ($document) {
  60         $pos = strpos(substr($file['url'], -5), '.');
  61         // check if has an extension or find it from the mimetype
  62         if ($pos === false) {
  63             $file['url'] = $file['url'].get_extension($file['mimetype']);
  64         }
  65
  66         $dest = $tmp."/".$pid."/".$path."/".convert_safe_file_dir_name(basename($file['url']));
  67         if (file_exists($dest)) {
  68             $x = 1;
  69             do {
  70                 $dest = $tmp."/".$pid."/".$path."/". $x ."_".convert_safe_file_dir_name(basename($file['url']));
  71                 $x++;
  72             } while (file_exists($dest));
  73         }
  74
  75         file_put_contents($dest, $document);
  76     } else {
  77         echo xlt("Can't find file!")."<br />";
  78     }
  79 }
  80
  81     // zip the folder
  82     Zip($tmp."/".$pid."/", $tmp."/".$pid.'.zip');
  83
  84     // serve it to the patient
  85     header('Content-type: application/zip');
  86     header('Content-Disposition: attachment; filename="patient_documents.zip"');
  87     readfile($tmp."/".$pid.'.zip');
  88
  89     // remove the temporary folders and files
  90     recursive_remove_directory($tmp."/".$pid);
  91     unlink($tmp."/".$pid.'.zip');
  92
  93 function recursive_remove_directory($directory, $empty = false)
  94 {
  95     if (substr($directory, -1) == '/') {
  96         $directory = substr($directory, 0, -1);
  97     }
  98
  99     if (!file_exists($directory) || !is_dir($directory)) {
 100         return false;
 101     } elseif (is_readable($directory)) {
 102         $handle = opendir($directory);
 103         while (false !== ($item = readdir($handle))) {
 104             if ($item != '.' && $item != '..') {
 105                 $path = $directory.'/'.$item;
 106                 if (is_dir($path)) {
 107                     recursive_remove_directory($path);
 108                 } else {
 109                     unlink($path);
 110                 }
 111             }
 112         }
 113
 114         closedir($handle);
 115         if ($empty == false) {
 116             if (!rmdir($directory)) {
 117                 return false;
 118             }
 119         }
 120     }
 121
 122     return true;
 123 }
 124
 125
 126 function Zip($source, $destination)
 127 {
 128     if (!extension_loaded('zip') || !file_exists($source)) {
 129         return false;
 130     }
 131
 132     $zip = new ZipArchive();
 133     if (!$zip->open($destination, ZIPARCHIVE::CREATE)) {
 134         return false;
 135     }
 136
 137     $source = str_replace('\\', '/', realpath($source));
 138     if (is_dir($source) === true) {
 139         $files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($source), RecursiveIteratorIterator::SELF_FIRST);
 140         foreach ($files as $file) {
 141             if ($file == $source."/..") {
 142                 continue;
 143             }
 144
 145             $file = str_replace('\\', '/', realpath($file));
 146             if (is_dir($file) === true) {
 147                 $zip->addEmptyDir(str_replace($source . '/', '', $file . '/'));
 148             } else if (is_file($file) === true) {
 149                 $zip->addFromString(str_replace($source . '/', '', $file), file_get_contents($file));
 150             }
 151         }
 152     } else if (is_file($source) === true) {
 153         $zip->addFromString(basename($source), file_get_contents($source));
 154     }
 155
 156     return $zip->close();
 157 }