<?php
/* For licensing terms, see /license.txt */
/**
 * 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.
 *
 * @todo check if this file is deprecated ... jmontoya
 * @package chamilo.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
if (!function_exists('api_get_path')) {
    header('location: upload.php');
    die;
}
require_once api_get_path(LIBRARY_PATH) . 'fileUpload.lib.php';
require_once api_get_path(LIBRARY_PATH) . 'document.lib.php';
require_once '../document/document.inc.php';

$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'])) {
	$upload_ok = process_uploaded_file($_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,
            $_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'";
        	Database::query("UPDATE $table_document SET" . substr($ct, 1) ." WHERE id = '$docid'");
    	}
		//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");
        $folderData = create_unexisting_directory(
            $_course,
            $_user['user_id'],
            api_get_session_id(),
            $to_group_id,
            $to_user_id,
            $base_work_dir,
            $img_directory
        );
        $missing_files_dir = $folderData['path'];
		//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'],api_get_session_id(), $to_group_id,$to_user_id,$base_work_dir,$dir_name,$_POST['dirname']);
    if ($created_dir) {
        Display::display_normal_message(get_lang('DirCr'));
        $path = $created_dir;
    } else {
        display_error(get_lang('CannotCreateDir'));
    }
}

if (isset($_GET['createdir'])) {
	//create the form that asks for the directory name
	$new_folder_text = '<form action="'.api_get_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 api_get_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">
</div>

<!-- start upload form -->
<form action="<?php echo api_get_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>
    <tr>
    <td><?php echo get_lang('Title');?></td>
    <td><input type="text" size="20" name="title" style="width:300px;"></td>
    </tr>
    <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

Display::display_footer();
