<?php //$id: $
/**
 * Process part of the document sub-process for upload. This script MUST BE included by upload/index.php
 * as it prepares most of the variables needed here.
 * @package dokeos.upload
 * @author Yannick Warnier <ywarnier@beeznest.org>
 */
/**
 * Process the document and return to the document tool
 */

/*
-----------------------------------------------------------
	Libraries
-----------------------------------------------------------
*/

//many useful functions in main_api.lib.php, by default included

require_once(api_get_path(LIBRARY_PATH) . 'fileUpload.lib.php');
require_once(api_get_path(LIBRARY_PATH) . 'events.lib.inc.php');
require_once(api_get_path(LIBRARY_PATH) . 'document.lib.php');
require_once('../document/document.inc.php');

//REMOVE
// If we want to unzip a file, we need the library
if (isset($_POST['unzip']) && $_POST['unzip'] == 1)
{
	require_once(api_get_path(LIBRARY_PATH).'pclzip/pclzip.lib.php');
}
/*
-----------------------------------------------------------
	Variables
	- some need defining before inclusion of libraries
-----------------------------------------------------------
*/
$courseDir   = $_course['path']."/document";
$sys_course_path = api_get_path(SYS_COURSE_PATH);
$base_work_dir = $sys_course_path.$courseDir;
$noPHP_SELF=true;
$max_filled_space = DocumentManager::get_course_quota();

//what's the current path?
if(isset($_POST['curdirpath'])) {
	$path = $_POST['curdirpath'];
}else{
	$path = '/';
}

// Check the path
// If the path is not found (no document id), set the path to /
if(!DocumentManager::get_document_id($_course,$path)) { $path = '/'; }

/**
 *	Header
 */

$nameTools = get_lang('UplUploadDocument');
$interbreadcrumb[]=array("url"=>"./document.php?curdirpath=".urlencode($path).$req_gid, "name"=> $langDocuments);
Display::display_header($nameTools,"Doc");
//show the title
api_display_tool_title($nameTools.$add_group_to_title);

/**
 * Process
 */

//user has submitted a file
if(isset($_FILES['user_upload']))
{
	//echo("<pre>");
	//print_r($_FILES['user_upload']);
	//echo("</pre>");
	
	$upload_ok = process_uploaded_file($_FILES['user_upload']);
	if($upload_ok)
	{
		//file got on the server without problems, now process it
		$new_path = handle_uploaded_document($_course, $_FILES['user_upload'],$base_work_dir,$_POST['curdirpath'],$_user['user_id'],$to_group_id,$to_user_id,$max_filled_space,$_POST['unzip'],$_POST['if_exists']);
    	$new_comment = isset($_POST['comment']) ? trim($_POST['comment']) : '';
    	$new_title = isset($_POST['title']) ? trim($_POST['title']) : '';
		
    	if ($new_path && ($new_comment || $new_title))
    	if (($docid = DocumentManager::get_document_id($_course, $new_path)))
    	{
        	$table_document = Database::get_course_table(TABLE_DOCUMENT);
        	$ct = '';
        	if ($new_comment) $ct .= ", comment='$new_comment'";
        	if ($new_title)   $ct .= ", title='$new_title'";
        	api_sql_query("UPDATE $table_document SET" . substr($ct, 1) . 
        	    " WHERE id = '$docid'", __FILE__, __LINE__);
    	}
		//check for missing images in html files
		$missing_files = check_for_missing_files($base_work_dir.$_POST['curdirpath'].$new_path);
		if($missing_files)
		{
			//show a form to upload the missing files
			Display::display_normal_message(build_missing_files_form($missing_files,$_POST['curdirpath'],$_FILES['user_upload']['name']));
		}
	}
}
//missing images are submitted
if(isset($_POST['submit_image']))
{
	$number_of_uploaded_images = count($_FILES['img_file']['name']);
	//if images are uploaded
	if ($number_of_uploaded_images > 0)
	{
		//we could also create a function for this, I'm not sure...
		//create a directory for the missing files
		$img_directory = str_replace('.','_',$_POST['related_file']."_files");
		$missing_files_dir = create_unexisting_directory($_course,$_user['user_id'],$to_group_id,$to_user_id,$base_work_dir,$img_directory);
		//put the uploaded files in the new directory and get the paths
		$paths_to_replace_in_file = move_uploaded_file_collection_into_directory($_course, $_FILES['img_file'],$base_work_dir,$missing_files_dir,$_user['user_id'],$to_group_id,$to_user_id,$max_filled_space);
		//open the html file and replace the paths
		replace_img_path_in_html_file($_POST['img_file_path'],$paths_to_replace_in_file,$base_work_dir.$_POST['related_file']);
		//update parent folders
		item_property_update_on_folder($_course,$_POST['curdirpath'],$_user['user_id']);	
	}
}
//they want to create a directory
if(isset($_POST['create_dir']) && $_POST['dirname']!='')
{
	$added_slash = ($path=='/')?'':'/';
	$dir_name = $path.$added_slash.replace_dangerous_char($_POST['dirname']);
	$created_dir = create_unexisting_directory($_course,$_user['user_id'],$to_group_id,$to_user_id,$base_work_dir,$dir_name,$_POST['dirname']);
	if($created_dir)
	{
		//Display::display_normal_message("<strong>".$created_dir."</strong> was created!");
		Display::display_normal_message(get_lang('DirCr'));
		$path = $created_dir;
	}
	else 
	{
		display_error(get_lang('CannotCreateDir'));
	}
}

//tracking not needed here?
//event_access_tool(TOOL_DOCUMENT);

/*============================================================================*/
?>

<?php
//=======================================//
//they want to create a new directory//
//=======================================//

if(isset($_GET['createdir']))
{
	//create the form that asks for the directory name
	$new_folder_text = '<form action="'.$_SERVER['PHP_SELF'].'" method="POST">';
	$new_folder_text .= '<input type="hidden" name="curdirpath" value="'.$path.'"/>';
	$new_folder_text .= get_lang('NewDir') .' ';
	$new_folder_text .= '<input type="text" name="dirname"/>';
	$new_folder_text .= '<input type="submit" name="create_dir" value="'.get_lang('Ok').'"/>';
	$new_folder_text .= '</form>';
	//show the form
	Display::display_normal_message($new_folder_text);
}
else {	//give them a link to create a directory
	?>
	<p><a href="<?php echo $_SERVER['PHP_SELF']; ?>?path=<?php echo $path; ?>&amp;createdir=1"><img src="../img/new_folder.gif" border="0" align="absmiddle" alt ="" /> <?php echo(get_lang('CreateDir'));?></a></p>
	<?php
}
?>

<div id="folderselector">
<?php
//form to select directory
//$folders = DocumentManager::get_all_document_folders($_course,$to_group_id,$is_allowed_to_edit);
//echo(build_directory_selector($folders,$path,$group_properties['directory']));
?>
</div>

<!-- start upload form -->
<form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="POST" name="upload" enctype="multipart/form-data">
<!-- <input type="hidden" name="MAX_FILE_SIZE" value="5400"> -->
<input type="hidden" name="curdirpath" value="<?php echo $path; ?>">
<table>
<tr>
<td valign="top">
<?php echo get_lang('File'); ?>
</td>
<td>
<input type="file" name="user_upload"/> 
</td>
</tr>
<?php
if(get_setting('use_document_title')=='true')
{
	?>
    <tr>
    <td><?php echo get_lang('Title');?></td>
    <td><input type="text" size="20" name="title" style="width:300px;"></td>
    </tr>
	<?php 
}
?>
    <tr>
    <td valign="top"><?php echo get_lang('Comment');?></td>
    <td><textarea rows="3" cols="20" name="comment" wrap="virtual" style="width:300px;"></textarea></td>
    </tr>
    <tr>
<td valign="top">
<?php echo get_lang('Options'); ?>
</td>
<td>
- <input type="checkbox" name="unzip" value="1" onclick="check_unzip()"/> <?php echo(get_lang('Uncompress'));?><br/>
- <?php echo (get_lang('UplWhatIfFileExists'));?><br/>
&nbsp;&nbsp;&nbsp;<input type="radio" name="if_exists" value="nothing" title="<?php echo (get_lang('UplDoNothingLong'));?>" checked="checked"/>  <?php echo (get_lang('UplDoNothing'));?><br/>
&nbsp;&nbsp;&nbsp;<input type="radio" name="if_exists" value="overwrite" title="<?php echo (get_lang('UplOverwriteLong'));?>"/> <?php echo (get_lang('UplOverwrite'));?><br/>
&nbsp;&nbsp;&nbsp;<input type="radio" name="if_exists" value="rename" title="<?php echo (get_lang('UplRenameLong'));?>"/> <?php echo (get_lang('UplRename'));?>

</td>
</tr>
</table>

<input type="submit" value="<?php echo(get_lang('Ok'));?>">
</form>
<!-- end upload form -->

 <!-- so they can get back to the documents   --> 	 
 <p><?php echo (get_lang('Back'));?> <?php echo (get_lang('To'));?> <a href="document.php?curdirpath=<?php echo $path; ?>"><?php echo (get_lang('DocumentsOverview'));?></a></p>

<?php
/*
==============================================================================
		FOOTER
==============================================================================
*/
Display::display_footer();
?>