<?php

//This variable specifies relative path to the folder, where the gallery with uploaded files is located.
//Do not forget about the slash in the end of the folder name.
$galleryPath = '../UploadedFiles/';
require_once '../Includes/gallery_helper.php';

if ($_SERVER['REQUEST_METHOD'] == 'POST') {
	
	$absGalleryPath = realpath($galleryPath) . DIRECTORY_SEPARATOR;
  $absThumbnailsPath = $absGalleryPath . 'Thumbnails' . DIRECTORY_SEPARATOR;
  
  // Clear previously uploaded files
  if ($_POST['PackageIndex'] == 0) {
    initGallery($absGalleryPath, $absThumbnailsPath);
  }
  
  //Load XML file which will keep information about files (image dimensions, description, etc).
  //XML is used solely for brevity. In real-life application most likely you will use database instead.
  $descriptions = new DOMDocument('1.0', 'utf-8');
  $descriptions->load($absGalleryPath . 'files.xml');
  
  //Get total number of uploaded files (all files are uploaded in a single package).
  $fileCount = $_POST["PackageFileCount"];
  
  //Iterate through uploaded data and save the original file, thumbnail, and description.
  for ($i = 0; $i < $fileCount; $i++) {
  	$originalFileName = rawurlencode($_REQUEST['SourceName_' . $i]);
  	
    //save source file
    $sourceFileName = getSafeFileName($absGalleryPath, $originalFileName);
    if (isset($_FILES['File0_' . $i])) {
    	move_uploaded_file($_FILES['File0_' . $i]['tmp_name'], $absGalleryPath . $sourceFileName);
    }
    
    //Save file info.
    $xmlFile = $descriptions->createElement('file');
    $xmlFile->setAttribute('name', $originalFileName);
    $xmlFile->setAttribute('source', $sourceFileName);
    $xmlFile->setAttribute('thumbnail', $thumbnailFileName);
    $descriptions->documentElement->appendChild($xmlFile);
  }
  
  $descriptions->save($absGalleryPath . 'files.xml');
}