<?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 api.lib.php, by default included
if (!function_exists('api_get_path')) {
    header('location: upload.php');
    die;
}
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'])) {
    $upload_ok = FileManager::process_uploaded_file($_FILES['user_upload']);
    if ($upload_ok) {
        //file got on the server without problems, now process it
        $new_path = FileManager::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
        $missing_files = FileManager::check_for_missing_files($base_work_dir.$_POST['curdirpath'].$new_path);
        if ($missing_files) {
            //show a form to upload the missing files
            Display::display_normal_message(
                FileManager::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 = FileManager::create_unexisting_directory(
            $_course,
            $_user['user_id'],
            api_get_session_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 = FileManager::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
        FileManager::replace_img_path_in_html_file(
            $_POST['img_file_path'],
            $paths_to_replace_in_file,
            $base_work_dir.$_POST['related_file']
        );
        //update parent folders
        FileManager::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.api_replace_dangerous_char($_POST['dirname']);
    $created_dir = FileManager::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("<strong>".$created_dir."</strong> was created!");
        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">
    <?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 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();