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311 lines
8.3 KiB
311 lines
8.3 KiB
<?php
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/* See license terms in /license.txt */
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/**
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* This is the file display library for Dokeos.
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* Include/require it in your code to use its functionality.
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*
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* @package chamilo.library
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*/
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/* FILE DISPLAY FUNCTIONS */
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/**
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* Define the image to display for each file extension.
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* This needs an existing image repository to work.
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*
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* @author - Hugues Peeters <peeters@ipm.ucl.ac.be>
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* @param - $file_name (string) - Name of a file
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* @return - The gif image to chose
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*/
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function choose_image($file_name)
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{
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static $type, $image;
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/* TABLES INITIALISATION */
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if (!$type || !$image) {
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$type['word'] = array(
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'doc',
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'dot',
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'rtf',
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'mcw',
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'wps',
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'psw',
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'docm',
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'docx',
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'dotm',
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'dotx',
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);
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$type['web'] = array(
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'htm',
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'html',
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'htx',
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'xml',
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'xsl',
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'php',
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'xhtml',
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);
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$type['image'] = array(
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'gif',
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'jpg',
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'png',
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'bmp',
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'jpeg',
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'tif',
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'tiff',
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);
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$type['image_vect'] = array('svg', 'svgz');
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$type['audio'] = array(
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'wav',
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'mid',
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'mp2',
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'mp3',
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'midi',
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'sib',
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'amr',
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'kar',
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'oga',
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'au',
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'wma',
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);
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$type['video'] = array(
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'mp4',
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'mov',
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'rm',
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'pls',
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'mpg',
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'mpeg',
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'm2v',
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'm4v',
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'flv',
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'f4v',
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'avi',
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'wmv',
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'asf',
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'3gp',
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'ogv',
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'ogg',
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'ogx',
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'webm',
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);
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$type['excel'] = array(
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'xls',
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'xlt',
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'xls',
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'xlt',
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'pxl',
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'xlsx',
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'xlsm',
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'xlam',
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'xlsb',
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'xltm',
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'xltx',
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);
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$type['compressed'] = array('zip', 'tar', 'rar', 'gz');
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$type['code'] = array(
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'js',
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'cpp',
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'c',
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'java',
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'phps',
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'jsp',
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'asp',
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'aspx',
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'cfm',
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);
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$type['acrobat'] = array('pdf');
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$type['powerpoint'] = array(
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'ppt',
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'pps',
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'pptm',
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'pptx',
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'potm',
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'potx',
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'ppam',
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'ppsm',
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'ppsx',
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);
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$type['flash'] = array('fla', 'swf');
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$type['text'] = array('txt', 'log');
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$type['oo_writer'] = array('odt', 'ott', 'sxw', 'stw');
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$type['oo_calc'] = array('ods', 'ots', 'sxc', 'stc');
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$type['oo_impress'] = array('odp', 'otp', 'sxi', 'sti');
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$type['oo_draw'] = array('odg', 'otg', 'sxd', 'std');
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$type['epub'] = array('epub');
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$type['java'] = array('class', 'jar');
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$type['freemind'] = array('mm');
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$image['word'] = 'word.gif';
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$image['web'] = 'file_html.gif';
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$image['image'] = 'file_image.gif';
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$image['image_vect'] = 'file_svg.png';
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$image['audio'] = 'file_sound.gif';
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$image['video'] = 'film.gif';
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$image['excel'] = 'excel.gif';
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$image['compressed'] = 'file_zip.gif';
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$image['code'] = 'icons/22/mime_code.png';
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$image['acrobat'] = 'file_pdf.gif';
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$image['powerpoint'] = 'powerpoint.gif';
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$image['flash'] = 'file_flash.gif';
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$image['text'] = 'icons/22/mime_text.png';
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$image['oo_writer'] = 'file_oo_writer.gif';
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$image['oo_calc'] = 'file_oo_calc.gif';
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$image['oo_impress'] = 'file_oo_impress.gif';
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$image['oo_draw'] = 'file_oo_draw.gif';
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$image['epub'] = 'file_epub.gif';
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$image['java'] = 'file_java.png';
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$image['freemind'] = 'file_freemind.png';
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}
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$extension = array();
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if (!is_array($file_name)) {
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if (preg_match('/\.([[:alnum:]]+)(\?|$)/', $file_name, $extension)) {
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$extension[1] = strtolower($extension[1]);
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foreach ($type as $generic_type => $extension_list) {
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if (in_array($extension[1], $extension_list)) {
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return $image[$generic_type];
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}
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}
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}
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}
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return 'defaut.gif';
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}
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/**
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* Transform a UNIX time stamp in human readable format date.
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*
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* @author - Hugues Peeters <peeters@ipm.ucl.ac.be>
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* @param - $date - UNIX time stamp
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* @return - A human readable representation of the UNIX date
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*/
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function format_date($date)
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{
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return date('d.m.Y', $date);
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}
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/**
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* Transform the file path to a URL.
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*
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* @param - $file_path (string) - Relative local path of the file on the hard disk
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* @return - Relative url
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*/
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function format_url($file_path)
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{
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$path_component = explode('/', $file_path);
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$path_component = array_map('rawurlencode', $path_component);
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return implode('/', $path_component);
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}
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/**
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* Get the most recent time the content of a folder was changed.
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*
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* @param - $dir_name (string) - Path of the dir on the hard disk
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* @param - $do_recursive (bool) - Traverse all folders in the folder?
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* @return - Time the content of the folder was changed
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*/
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function recent_modified_file_time($dir_name, $do_recursive = true)
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{
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$dir = dir($dir_name);
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$last_modified = 0;
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$return = 0;
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if (is_dir($dir)) {
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while(($entry = $dir->read()) !== false)
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{
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if ($entry != '.' && $entry != '..')
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continue;
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if (!is_dir($dir_name.'/'.$entry))
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$current_modified = filemtime($dir_name.'/'.$entry);
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elseif ($do_recursive)
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$current_modified = recent_modified_file_time($dir_name.'/'.$entry, true);
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if ($current_modified > $last_modified)
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$last_modified = $current_modified;
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}
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$dir->close();
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//prevents returning 0 (for empty directories)
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$return = ($last_modified == 0) ? filemtime($dir_name) : $last_modified;
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}
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return $return;
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}
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/**
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* Get the total size of a directory.
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*
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* @param - $dir_name (string) - Path of the dir on the hard disk
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* @return - Total size in bytes
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*/
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function folder_size($dir_name)
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{
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$size = 0;
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if ($dir_handle = opendir($dir_name)) {
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while (($entry = readdir($dir_handle)) !== false) {
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if ($entry == '.' || $entry == '..') {
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continue;
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}
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if (is_dir($dir_name.'/'.$entry)) {
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$size += folder_size($dir_name.'/'.$entry);
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} else {
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$size += filesize($dir_name.'/'.$entry);
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}
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}
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closedir($dir_handle);
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}
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return $size;
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}
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/**
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* Calculates the total size of a directory by adding the sizes (that
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* are stored in the database) of all files & folders in this directory.
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*
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* @param string $path
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* @param boolean $can_see_invisible
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* @return int Total size
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*/
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function get_total_folder_size($path, $can_see_invisible = false)
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{
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$table_itemproperty = Database::get_course_table(TABLE_ITEM_PROPERTY);
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$table_document = Database::get_course_table(TABLE_DOCUMENT);
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$tool_document = TOOL_DOCUMENT;
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$course_id = api_get_course_int_id();
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$session_id = api_get_session_id();
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$session_condition = api_get_session_condition(
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$session_id,
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true,
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true,
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'props.session_id'
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);
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$visibility_rule = ' props.visibility ' . ($can_see_invisible ? '<> 2' : '= 1');
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$sql = "SELECT SUM(table1.size) FROM (
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SELECT size
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FROM $table_itemproperty AS props, $table_document AS docs
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WHERE
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docs.c_id = $course_id AND
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docs.id = props.ref AND
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docs.path LIKE '$path/%' AND
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props.c_id = $course_id AND
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props.tool = '$tool_document' AND
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$visibility_rule
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$session_condition
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GROUP BY ref
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) as table1";
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$result = Database::query($sql);
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if ($result && Database::num_rows($result) != 0) {
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$row = Database::fetch_row($result);
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return $row[0] == null ? 0 : $row[0];
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} else {
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return 0;
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}
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}
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