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Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/work/work.lib.php

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<?php
/* For licensing terms, see /license.txt */
/**
* @package chamilo.work
* @author Thomas, Hugues, Christophe - original version
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University - ability for course admins to specify wether uploaded documents are visible or invisible by default.
* @author Roan Embrechts, code refactoring and virtual course support
* @author Frederic Vauthier, directories management
* @version $Id: work.lib.php 22357 2009-07-24 17:44:17Z juliomontoya $
* @todo this lib should be convert in a static class and moved to main/inc/lib
*/
/**
* Initialization
*/
require_once api_get_path(SYS_CODE_PATH).'document/document.inc.php';
require_once api_get_path(LIBRARY_PATH).'fileDisplay.lib.php';
/**
* Displays action links (for admins, authorized groups members and authorized students)
* @param string Current dir
* @param integer Whether to show tool options
* @param integer Whether to show upload form option
* @return void
*/
function display_action_links($cur_dir_path, $always_show_tool_options, $always_show_upload_form) {
global $gradebook;
$display_output = '';
$origin = isset($_GET['origin']) ? Security::remove_XSS($_GET['origin']) : '';
$curdirpath = isset($_GET['curdirpath']) ? Security::remove_XSS($_GET['curdirpath']) : empty($curdirpath);
///why is that here?
//$origin = api_get_tools_lists($origin);
echo '<div class="actions">';
if (strlen($cur_dir_path) > 0 && $cur_dir_path != '/') {
$parent_dir = dirname($cur_dir_path);
$display_output .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&origin='.$origin.'&gradebook='.$gradebook.'&curdirpath='.$parent_dir.'">'.Display::return_icon('back.png', get_lang('BackToWorksList')).' '.get_lang('BackToWorksList').'</a>';
} else {
if ($_GET['display_tool_options'] == 'true' OR $_GET['display_upload_form'] == 'true') {
if ($origin != 'learnpath') {
echo '<a href="work.php?gradebook='.$gradebook.'">'.Display::return_icon('back.png', get_lang('BackToWorksList')).' '.get_lang('BackToWorksList').'</a>';
}
}
}
if (!$always_show_tool_options && api_is_allowed_to_edit(null, true) && $origin != 'learnpath') {
// Create dir
if ($cur_dir_path == '/') {
$display_output .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;toolgroup='.Security::remove_XSS($_GET['toolgroup']).'&amp;createdir=1&origin='.$origin.'&gradebook='.$gradebook.'">'.Display::return_icon('works_new.gif', get_lang('CreateAssignment')).' '.get_lang('CreateAssignment').' </a>';
}
// Options
$display_output .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;display_tool_options=true&amp;origin='.$origin.'&amp;gradebook='.$gradebook.'">'.Display::return_icon('acces_tool.gif', get_lang('EditToolOptions')).' '.get_lang('EditToolOptions').'</a>';
}
if (!$always_show_upload_form && api_is_allowed_to_session_edit(false, true) && (isset($_GET['curdirpath']) && (!empty($_GET['curdirpath']) && $_GET['curdirpath'] != '.') )) {
$display_output .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;curdirpath='.$cur_dir_path.'&amp;display_upload_form=true&amp;origin='.$origin.'&amp;gradebook='.$gradebook.'">'.Display::return_icon('submit_file.gif', get_lang('UploadADocument')).' '.get_lang('UploadADocument').'</a>';
}
if (api_is_allowed_to_edit(null, true) && $origin != 'learnpath' && api_is_allowed_to_session_edit(false, true)) {
// delete all files
if (api_get_setting('permanently_remove_deleted_files') == 'true'){
$message = get_lang('ConfirmYourChoiceDeleteAllfiles');
} else {
$message = get_lang('ConfirmYourChoice');
}
if (empty($curdirpath) or $curdirpath != '.') {
$display_output .= '<a href="#">'.Display::return_icon('delete_na.gif', get_lang('Delete')).get_lang('DeleteAllFiles').'</a>';
} else {
$display_output .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;curdirpath='.$cur_dir_path.'&amp;origin='.$origin.'&amp;gradebook='.$gradebook.'&amp;delete=all" onclick="javascript: if(!confirm(\''.addslashes(api_htmlentities($message, ENT_QUOTES)).'\')) return false;">'.
Display::return_icon('delete.gif', get_lang('Delete')).' '.get_lang('DeleteAllFiles').'</a>';
}
// make all files visible or invisible
$work_table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
$sql_query = "SHOW COLUMNS FROM ".$work_table." LIKE 'accepted'";
$sql_result = Database::query($sql_query);
if ($sql_result) {
$columnStatus = Database::fetch_array($sql_result);
if ($columnStatus['Default'] == 1) {
$display_output .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;origin='.$origin.'&amp;gradebook='.$gradebook.'&amp;make_invisible=all&amp;curdirpath='.$cur_dir_path.'">'.
Display::return_icon('visible.gif', get_lang('MakeAllPapersInvisible')).' '.get_lang('MakeAllPapersInvisible')."</a>\n";
} else {
$display_output .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;origin='.$origin.'&amp;gradebook='.$gradebook.'&amp;make_visible=all&amp;curdirpath='.$cur_dir_path.'">'.
Display::return_icon('invisible.gif', get_lang('MakeAllPapersVisible')).' '.get_lang('MakeAllPapersVisible')."</a>\n";
}
}
}
if (api_is_allowed_to_edit(null, true)) {
global $publication;
if (empty($curdirpath) or $curdirpath != '.' or $cur_dir_path != '/') {
if (empty($_GET['list']) or Security::remove_XSS($_GET['list']) == 'with') {
$display_output .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;curdirpath='.$cur_dir_path.'&amp;origin='.$origin.'&amp;gradebook='.$gradebook.'&amp;list=without">'.
Display::return_icon('un_check.gif', get_lang('ViewUsersWithoutTask')).' '.get_lang('ViewUsersWithoutTask')."</a>\n";
} else {
$display_output .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;curdirpath='.$cur_dir_path.'&amp;origin='.$origin.'&amp;gradebook='.$gradebook.'&amp;list=with">'.
Display::return_icon('check.gif', get_lang('ViewUsersWithTask')).' '.get_lang('ViewUsersWithTask')."</a>\n";
$_SESSION['token'] = time();
$display_output .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;curdirpath='.$cur_dir_path.'&amp;origin='.$origin.'&amp;gradebook='.$gradebook.'&amp;list=without&amp;action=send_mail&amp;sec_token='.$_SESSION['token'].'">'.
Display::return_icon('messagebox_warning.gif', get_lang('ReminderMessage')).' '.get_lang('ReminderMessage')."</a>\n";
}
}
}
if ($display_output != '') {
echo $display_output;
}
echo '</div>';
}
/**
* Displays all options for this tool.
* These are
* - make all files visible / invisible
* - set the default visibility of uploaded files
*
* @param $uploadvisibledisabled
* @param $origin
* @param $base_work_dir Base working directory (up to '/work')
* @param $cur_dir_path Current subdirectory of 'work/'
* @param $cur_dir_path_url Current subdirectory of 'work/', url-encoded
*/
function display_tool_options($uploadvisibledisabled, $origin, $base_work_dir, $cur_dir_path, $cur_dir_path_url) {
global $group_properties, $gradebook;
$is_allowed_to_edit = api_is_allowed_to_edit(null, true);
$work_table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
if (!$is_allowed_to_edit) {
return;
}
echo '<form method="post" action="'.api_get_self().'?origin='.$origin.'&gradebook='.$gradebook.'&display_tool_options=true">';
echo '<div class="row"><div class="form_header">'.get_lang('EditToolOptions').'</div></div>';
display_default_visibility_form($uploadvisibledisabled);
display_studentsdelete_form();
echo '<div class="row">
<div class="formw">
<button type="submit" class="save" name="changeProperties" value="'.get_lang('Ok').'">'.get_lang('Ok').'</button>
</div>
</div>';
echo '</form>';
}
/**
* Displays the form where course admins can specify wether uploaded documents
* are visible or invisible by default.
*
* @param $uploadvisibledisabled
* @param $origin
*/
function display_default_visibility_form($uploadvisibledisabled) {
?>
<div class="row">
<div class="label">
<?php echo get_lang('_default_upload'); ?>
</div>
<div class="formw">
<input class="checkbox" type="radio" name="uploadvisibledisabled" value="0" <?php if ($uploadvisibledisabled == 0) echo 'checked'; ?> />
<?php echo get_lang('_new_visible'); ?><br />
<input class="checkbox" type="radio" name="uploadvisibledisabled" value="1" <?php if ($uploadvisibledisabled == 1) echo 'checked'; ?> />
<?php echo get_lang('_new_unvisible'); ?>
</div>
</div>
<?php
}
/**
* Display a part of the form to edit the settings of the tool
* In this case weither the students are allowed to delete their own publication or not (by default not)
*
* @return html code
* @since Dokeos 1.8.6.2
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University, Belgium
*/
function display_studentsdelete_form() {
// by default api_get_course_setting returns -1 and the code only expects 0 or 1 so anything tha
// is different than 1 will be converted into 0
$current_course_setting_value = api_get_course_setting('student_delete_own_publication');
if ($current_course_setting_value != 1) {
$current_course_setting_value = 0;
}
?>
<div class="row">
<div class="label">
<?php echo get_lang('StudentAllowedToDeleteOwnPublication'); ?>
</div>
<div class="formw">
<input class="checkbox" type="radio" name="student_delete_own_publication" value="0" <?php if ($current_course_setting_value == 0) echo 'checked'; ?> />
<?php echo get_lang('No'); ?><br />
<input class="checkbox" type="radio" name="student_delete_own_publication" value="1" <?php if ($current_course_setting_value == 1) echo 'checked'; ?> />
<?php echo get_lang('Yes'); ?>
</div>
</div>
<?php
}
/**
* This function displays the firstname and lastname of the user as a link to the user tool.
*
* @see this is the same function as in the new forum, so this probably has to move to a user library.
*
* @todo move this function to the user library
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @version march 2006
*/
function display_user_link_work($user_id, $name = '') {
global $_otherusers;
$user_id = intval($user_id);
if ($user_id != 0) {
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$sql = "SELECT user_id, firstname, lastname FROM $table_user WHERE user_id='".Database::escape_string($user_id)."'";
$result = Database::query($sql);
$row = Database::fetch_array($result);
if ($name == '') {
return '<a href="../user/userInfo.php?cidReq='.api_get_course_id().'&amp;gradebook='.$gradebook.'&amp;origin=&amp;uInfo='.$row['user_id'].'">'.api_get_person_name($row['firstname'], $row['lastname']).'</a>';
} else {
return '<a href="../user/userInfo.php?cidReq='.api_get_course_id().'&amp;gradebook='.$gradebook.'&amp;origin=&amp;uInfo='.$user_id.'">'.$name.'</a>';
}
} else {
return $name.' ('.get_lang('Anonymous').')';
}
}
/**
* converts 2008-10-06 12:45:00 to timestamp
*/
function convert_date_to_number($default) {
// 2008-10-12 00:00:00 ---to--> 12345672218 (timestamp)
$parts = split(' ', $default);
list($d_year, $d_month, $d_day) = split('-', $parts[0]);
list($d_hour, $d_minute, $d_second) = split(':', $parts[1]);
return mktime((int)$d_hour, (int)$d_minute, (int)$d_second, (int)$d_month, (int)$d_day, (int)$d_year);
}
/**
* converts 1-9 to 01-09
*/
function two_digits($number) {
$number = (int)$number;
return ($number < 10) ? '0'.$number : $number;
}
/**
* converts 2008-10-06 12:45:00 to -> array($data'year'=>2008,$data'month'=>10 etc...)
*/
function convert_date_to_array($date, $group) {
$parts = split(' ', $date);
$date_parts = split('-', $parts[0]);
$date_parts_tmp = array();
foreach ($date_parts as $item) {
$date_parts_tmp[] = intval($item);
}
$time_parts = split(':', $parts[1]);
$time_parts_tmp = array();
foreach ($time_parts as $item) {
$time_parts_tmp[] = intval($item);
}
list($data[$group.'[year]'], $data[$group.'[month]'], $data[$group.'[day]']) = $date_parts_tmp;
list($data[$group.'[hour]'], $data[$group.'[minute]']) = $time_parts_tmp;
return $data;
}
/**
* get date from a group of date
*/
function get_date_from_group($group) {
return $_POST[$group]['year'].'-'.two_digits($_POST[$group]['month']).'-'.two_digits($_POST[$group]['day']).' '.two_digits($_POST[$group]['hour']).':'.two_digits($_POST[$group]['minute']).':00';
}
/**
* create a group of select from a date
*/
function create_group_date_select($prefix = '') {
$minute = range(10, 59);
$d_year = date('Y');
array_unshift($minute, '00', '01', '02', '03', '04', '05', '06', '07', '08', '09');
$group_name[] = FormValidator :: createElement('select', $prefix.'day', '', array_combine(range(1, 31), range(1, 31)));
$group_name[] = FormValidator :: createElement('select', $prefix.'month', '', array_combine(range(1, 12), api_get_months_long()));
$group_name[] = FormValidator :: createElement('select', $prefix.'year', '', array($d_year => $d_year, $d_year + 1 => $d_year + 1));
$group_name[] = FormValidator :: createElement('select', $prefix.'hour', '', array_combine(range(0, 23), range(0, 23)));
$group_name[] = FormValidator :: createElement('select', $prefix.'minute', '', $minute);
return $group_name;
}
/**
* Display the list of student publications, taking into account the user status
*
* @param $currentCourseRepositoryWeb, the web location of the course folder
* @param $link_target_parameter - should there be a target parameter for the links
* @param $dateFormatLong - date format
* @param $origin - typically empty or 'learnpath'
*/
function display_student_publications_list($work_dir, $sub_course_dir, $currentCourseRepositoryWeb, $link_target_parameter, $dateFormatLong, $origin, $add_in_where_query = '') {
global $timeNoSecFormat, $dateFormatShort, $gradebook, $_user;
// Database table names
$work_table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
$iprop_table = Database::get_course_table(TABLE_ITEM_PROPERTY);
$work_assigment = Database :: get_course_table(TABLE_STUDENT_PUBLICATION_ASSIGNMENT);
$is_allowed_to_edit = api_is_allowed_to_edit(null, true);
$user_id = api_get_user_id();
$publications_list = array();
$sort_params = array();
if (isset($_GET['column'])) {
$sort_params[] = 'column='.Security::remove_XSS($_GET['column']);
}
if (isset($_GET['page_nr'])) {
$sort_params[] = 'page_nr='.Security::remove_XSS($_GET['page_nr']);
}
if (isset($_GET['per_page'])) {
$sort_params[] = 'per_page='.Security::remove_XSS($_GET['per_page']);
}
if (isset($_GET['direction'])) {
$sort_params[] = 'direction='.Security::remove_XSS($_GET['direction']);
}
$sort_params = implode('&amp;', $sort_params);
$my_params = $sort_params;
$origin = Security::remove_XSS($origin);
if (substr($sub_course_dir, -1, 1) != '/' && !empty($sub_course_dir)) {
$sub_course_dir = $sub_course_dir.'/';
}
if ($sub_course_dir == '/') {
$sub_course_dir = '';
}
//condition for the session
$session_id = api_get_session_id();
$condition_session = api_get_session_condition($session_id);
//Get list from database
if ($is_allowed_to_edit) {
$sql_get_publications_list = "SELECT * " .
"FROM ".$work_table." " .
"WHERE url LIKE BINARY '$sub_course_dir%' " .
"AND url NOT LIKE BINARY '$sub_course_dir%/%' " .$add_in_where_query.
$condition_session.
" ORDER BY sent_date DESC";
$sql_get_publications_num = "SELECT count(*) " .
"FROM ".$work_table." " .
"WHERE url LIKE BINARY '$sub_course_dir%' " .
"AND url NOT LIKE BINARY '$sub_course_dir%/%' " .$add_in_where_query.
$condition_session.
" ORDER BY id";
} else {
if (!empty($_SESSION['toolgroup'])) {
$group_query = " WHERE post_group_id = '".intval($_SESSION['toolgroup'])."' "; // set to select only messages posted by the user's group
$subdirs_query = "AND url NOT LIKE BINARY '$sub_course_dir%/%' AND url LIKE BINARY '$sub_course_dir%'";
} else {
$group_query = " WHERE post_group_id = '0' ";
$subdirs_query = "AND url NOT LIKE '$sub_course_dir%/%' AND url LIKE '$sub_course_dir%'";
}
$sql_get_publications_list = "SELECT * FROM $work_table $group_query $subdirs_query ".$add_in_where_query." $condition_session ORDER BY id";
$sql_get_publications_num = "SELECT count(url) " .
"FROM ".$work_table." " .
"WHERE url LIKE BINARY '$sub_course_dir%' " .
"AND url NOT LIKE BINARY '$sub_course_dir%/%' " .$add_in_where_query.
$condition_session.
" ORDER BY id";
}
// echo $sql_get_publications_list;
$sql_result = Database::query($sql_get_publications_list);
$sql_result_num = Database::query($sql_get_publications_num);
$row = Database::fetch_array($sql_result_num);
$count_files = $row[0];
$table_header[] = array(get_lang('Type'), false, 'style="width:40px"');
$table_header[] = array(get_lang('Title'), true);
if ($count_files != 0) {
$table_header[] = array(get_lang('Authors'), true);
$table_header[] = array(get_lang('Qualification'), true);
}
$table_header[] = array(get_lang('Date'), true);
if ($origin != 'learnpath') {
$table_header[] = array(get_lang('Modify'), false);
$table_header[] = array('RealDate', true);
}
// An array with the setting of the columns -> 1: columns that we will show, 0:columns that will be hide
$column_show[] = 1; // type
$column_show[] = 1; // title
if ($count_files != 0) {
$column_show[] = 1; // authors
$column_show[] = 1; // qualification
}
$column_show[] = 1; //date
$column_show[] = 1; // modify
$column_show[] = 0; //real date in correct format
// Here we change the way how the colums are going to be sort
// in this case the the column of LastResent ( 4th element in $column_header) we will be order like the column RealDate
// because in the column RealDate we have the days in a correct format "2008-03-12 10:35:48"
$column_order = array();
$i=0;
foreach($table_header as $item) {
$column_order[$i] = $i;
$i++;
}
if ($count_files != 0) {
if ($sub_course_dir == '/work') {
$column_order[2] = 2;
} else {
//$column_order[2] = 5;
}
} else {
//$column_order[1] = 4;
$column_order[2] = 4;
}
$table_data = array();
$dirs_list = get_subdirs_list($work_dir);
$my_sub_dir = str_replace('work/', '', $sub_course_dir);
// @todo Since "works" cant have sub works this foreach is useless when selecting the list of works
// List of all folders
if (is_array($dirs_list)) {
foreach ($dirs_list as $dir) {
if ($my_sub_dir == '') {
$mydir_temp = '/'.$dir;
} else {
$mydir_temp = '/'.$my_sub_dir.$dir;
}
$sql_select_directory = "SELECT prop.lastedit_date, work.id, author, has_properties, view_properties, description, qualification, weight FROM ".$iprop_table." prop INNER JOIN ".$work_table." work ON (prop.ref=work.id) WHERE ";
if (!empty($_SESSION['toolgroup'])) {
$sql_select_directory .= " work.post_group_id = '".$_SESSION['toolgroup']."' "; // set to select only messages posted by the user's group
} else {
$sql_select_directory .= " work.post_group_id = '0' ";
}
$sql_select_directory .= " AND work.url LIKE BINARY '".$mydir_temp."' AND work.filetype = 'folder' AND prop.tool='work' $condition_session";
$result = Database::query($sql_select_directory);
$row = Database::fetch_array($result);
if (!$row) {
// the folder belongs to another session
continue;
}
$direc_date = $row['lastedit_date']; //directory's date
$author = $row['author']; //directory's author
$view_properties = $row['view_properties'];
$is_assignment = $row['has_properties'];
$id2 = $row['id'];
$mydir = $my_sub_dir.$dir;
if ($is_allowed_to_edit) {
isset($_GET['edit_dir']) ? $clean_edit_dir = Security :: remove_XSS($_GET['edit_dir']) : $clean_edit_dir = '';
// form edit directory
if (isset($clean_edit_dir) && $clean_edit_dir == $mydir) {
if (!empty($row['has_properties'])) {
$sql = Database::query('SELECT * FROM '.$work_assigment.' WHERE id = '."'".$row['has_properties']."'".' LIMIT 1');
$homework = Database::fetch_array($sql);
}
$form_folder = new FormValidator('edit_dir', 'post', api_get_self().'?curdirpath='.$my_sub_dir.'&origin='.$origin.'&gradebook='.$gradebook.'&edit_dir='.$mydir);
$group_name[] = FormValidator :: createElement('text', 'dir_name');
$form_folder -> addGroup($group_name, 'my_group', get_lang('Title'));
$form_folder -> addGroupRule('my_group', get_lang('ThisFieldIsRequired'), 'required');
$defaults = array('my_group[dir_name]' => html_entity_decode($dir), 'description' => api_html_entity_decode($row['description']));
//$form_folder-> addElement('textarea', 'description', get_lang('Description'), array('rows' => 5, 'cols' => 50));
$form_folder->add_html_editor('description', get_lang('Description'), false, false, array('ToolbarSet' => 'profile', 'Width' => '100%', 'Height' => '200'));
$qualification_input[] = FormValidator :: createElement('text','qualification');
$form_folder -> addGroup($qualification_input, 'qualification', get_lang('QualificationNumeric'), 'size="10"');
if ($row['weight'] > 0) {
$weight_input[] = FormValidator :: createElement('text', 'weight');
$form_folder -> addGroup($weight_input, 'weight', get_lang('WeightInTheGradebook'), 'size="10"');
}
$there_is_a_end_date = false;
if ($row['view_properties'] == '1') {
if ($homework['expires_on'] != '0000-00-00 00:00:00') {
$homework['expires_on'] = api_get_local_time($homework['expires_on']);
$there_is_a_expire_date = true;
$form_folder -> addGroup(create_group_date_select(), 'expires', get_lang('ExpiresAt'));
}
if ($homework['ends_on'] != '0000-00-00 00:00:00') {
$homework['ends_on'] = api_get_local_time($homework['ends_on']);
$there_is_a_end_date = true;
$form_folder -> addGroup(create_group_date_select(), 'ends', get_lang('EndsAt'));
}
if ($there_is_a_expire_date && $there_is_a_end_date) {
$form_folder -> addRule(array('expires', 'ends'), get_lang('DateExpiredNotBeLessDeadLine'), 'comparedate');
}
} else {
$form_folder -> addElement('html', '<div class="row">
<div class="label">&nbsp;</div>
<div class="formw">
<a href="javascript://" onclick="javascript: return plus();" ><span id="plus">&nbsp;<img style="vertical-align:middle;" src="../img/div_show.gif" alt="" />&nbsp;'.get_lang('AdvancedParameters').'</span></a>
</div>
</div> ');
$form_folder -> addElement('html', '<div id="options" style="display: none;">');
if (empty($default)) {
$default = api_get_local_time();
}
$parts = split(' ', $default);
list($d_year, $d_month, $d_day) = split('-', $parts[0]);
list($d_hour, $d_minute) = split(':', $parts[1]);
if ((int)$row['weight'] == 0) {
$form_folder -> addElement('checkbox', 'make_calification', null, get_lang('MakeQualifiable'), 'onclick="javascript: if(this.checked){document.getElementById(\'option3\').style.display = \'block\';}else{document.getElementById(\'option3\').style.display = \'none\';}"');
$form_folder -> addElement('html', '<div id=\'option3\' style="display:none">');
$weight_input2[] = FormValidator :: createElement('text', 'weight');
$form_folder -> addGroup($weight_input2, 'weight', get_lang('WeightInTheGradebook'), 'size="10"');
$form_folder -> addElement('html', '</div>');
}
if ($homework['expires_on'] == '0000-00-00 00:00:00') {
$homework['expires_on'] = api_get_local_time();
$there_is_a_expire_date = true;
$form_folder -> addElement('checkbox', 'enableExpiryDate',null,get_lang('EnableExpiryDate'), 'onclick="javascript: if(this.checked){document.getElementById(\'option1\').style.display = \'block\';}else{document.getElementById(\'option1\').style.display = \'none\';}"');
$form_folder -> addElement('html', '<div id=\'option1\' style="display:none">');
$form_folder -> addGroup(create_group_date_select(), 'expires', get_lang('ExpiresAt'));
$form_folder -> addElement('html', '</div>');
}
if ($homework['ends_on'] == '0000-00-00 00:00:00') {
$homework['ends_on'] = api_get_local_time();
$there_is_a_end_date = true;
$form_folder -> addElement('checkbox', 'enableEndDate', null, get_lang('EnableEndDate'), 'onclick="javascript: if(this.checked){document.getElementById(\'option2\').style.display = \'block\';}else{document.getElementById(\'option2\').style.display = \'none\';}"');
$form_folder -> addElement('html', '<div id=\'option2\' style="display:none">');
$form_folder -> addGroup(create_group_date_select(), 'ends', get_lang('EndsAt'));
$form_folder -> addElement('html', '</div>');
}
$form_folder -> addRule(array('expires', 'ends'), get_lang('DateExpiredNotBeLessDeadLine'), 'comparedate');
$form_folder -> addElement('html', '</div>');
}
$form_folder -> addElement('style_submit_button', 'submit', get_lang('ModifyDirectory'), 'class="save"');
if ($there_is_a_end_date) {
$end_date_array = convert_date_to_array($homework['ends_on'], 'ends');
$defaults = array_merge($defaults, $end_date_array);
}
if ($there_is_a_expire_date) {
$expires_date_array = convert_date_to_array($homework['expires_on'], 'expires');
$defaults = array_merge($defaults, $expires_date_array);
}
if (!empty($row['qualification'])) {
$defaults = array_merge($defaults, array('qualification[qualification]' => $row['qualification']));
}
if (!empty($row['weight'])) {
$defaults = array_merge($defaults, array('weight[weight]' => $row['weight']));
}
$form_folder -> setDefaults($defaults);
$display_edit_form = true;
if ($form_folder -> validate()) {
$values = $form_folder -> exportValues();
$values = $values['my_group'];
$dir_name = replace_dangerous_char($values['dir_name']);
$dir_name = disable_dangerous_file($dir_name);
$edit_check = false;
if ($dir_name != $dir) {
if (!is_work_exist_by_url('/'.$dir_name)) {
$edit_check = true;
}
} else {
$edit_check = true;
}
if ($edit_check) {
$TABLEAGENDA = Database::get_course_table(TABLE_AGENDA);
if ($there_is_a_end_date || $there_is_a_expire_date) {
if ($row['view_properties'] == '1') {
$sql_add_publication = "UPDATE ".$work_table." SET has_properties = '".$row['has_properties']. "', view_properties=1 where id ='".$row['id']."'";
Database::query($sql_add_publication);
$expires_query = ' SET expires_on = '."'".($there_is_a_expire_date ? api_get_utc_datetime(get_date_from_group('expires')) : '0000-00-00 00:00:00')."'".',';
$ends_query = ' ends_on = '."'".($there_is_a_end_date ? api_get_utc_datetime(get_date_from_group('ends')) : '0000-00-00 00:00:00')."'";
Database::query('UPDATE '.$work_assigment.$expires_query.$ends_query.' WHERE id = '."'".$row['has_properties']."'");
} elseif ($row['view_properties'] == '0') {
if ($_POST['enableExpiryDate'] == '1') {
$expires_query = ' SET expires_on = '."'".($there_is_a_expire_date ? api_get_utc_datetime(get_date_from_group('expires')) : '0000-00-00 00:00:00')."'";
//$ends_query = ' ends_on = '."'".($there_is_a_end_date ? get_date_from_group('ends') : '0000-00-00 00:00:00')."'";
Database::query('UPDATE '.$work_assigment.$expires_query.' WHERE id = '."'".$row['has_properties']."'");
$sql_add_publication = "UPDATE ".$work_table." SET has_properties = '".$row['has_properties']. "', view_properties=1 where id ='".$row['id']."'";
Database::query($sql_add_publication);
}
if ($_POST['enableEndDate'] == '1') {
//$expires_query = ' SET expires_on = '."'".($there_is_a_expire_date ? get_date_from_group('expires') : '0000-00-00 00:00:00')."'".',';
$ends_query = ' SET ends_on = '."'".($there_is_a_end_date ? api_get_utc_datetime(get_date_from_group('ends')) : '0000-00-00 00:00:00')."'";
Database::query('UPDATE '.$work_assigment.$ends_query.' WHERE id = '."'".$row['has_properties']."'");
$sql_add_publication = "UPDATE ".$work_table." SET has_properties = '".$row['has_properties']. "', view_properties=1 where id ='".$row['id']."'";
Database::query($sql_add_publication);
}
}
}
//if($_POST['qualification']['qualification']!='')
Database::query('UPDATE '.$work_table.' SET description = '."'".Database::escape_string($_POST['description'])."'".', qualification = '."'".Database::escape_string($_POST['qualification']['qualification'])."'".',weight = '."'".Database::escape_string($_POST['weight']['weight'])."'".' WHERE id = '."'".$row['id']."'");
Database::query('UPDATE '.Database :: get_main_table(TABLE_MAIN_GRADEBOOK_LINK).' SET weight = '."'".Database::escape_string($_POST['weight']['weight'])."'".' WHERE course_code = '."'".api_get_course_id()."'".' AND ref_id = '."'".$row['id']."'".'');
//we are changing the current work and we want add them into gradebook
if (isset($_POST['make_calification']) && $_POST['make_calification'] == 1) {
require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/be/gradebookitem.class.php';
require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/be/evaluation.class.php';
require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/be/abstractlink.class.php';
require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/gradebook_functions.inc.php';
$resource_name = $_POST['dir_name'];
add_resource_to_course_gradebook(api_get_course_id(), 3, $row['id'], Database::escape_string($resource_name), (float)$_POST['weight']['weight'], (float)$_POST['qualification']['qualification'], Database::escape_string($_POST['description']), time(), 1, api_get_session_id());
}
update_dir_name($mydir, $dir_name);
$mydir = $my_sub_dir.$dir_name;
$dir = $dir_name;
$display_edit_form = false;
// gets calendar_id from student_publication_assigment
$sql = "SELECT add_to_calendar FROM $work_assigment WHERE publication_id ='".$row['id']."'";
$res = Database::query($sql);
$calendar_id = Database::fetch_row($res);
// update from agenda if it exists
if (!empty($calendar_id[0])) {
$sql = "UPDATE ".$TABLEAGENDA."
SET title='".$dir_name."',
content = '".$dir_name."',
end_date='".get_date_from_group('ends')."'
WHERE id='".$calendar_id[0]."'";
Database::query($sql);
}
Display::display_confirmation_message(get_lang('FolderEdited'));
} else {
Display::display_warning_message(get_lang('FileExists'));
}
}
}
}
$action = '';
$row = array();
$class = '';
//$a_count_directory = count_dir($work_dir.'/'.$dir, false);
$cant_files = 0;
$cant_dir = 0;
if (api_is_allowed_to_edit()) {
$sql_document = "SELECT count(*) FROM $work_table WHERE url NOT LIKE '".$sub_course_dir.$dir."/%/%' AND url LIKE '".$sub_course_dir.$dir."/%'";
} else {
// gets admin_course
$table_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
$sql = "SELECT course_user.user_id FROM $table_user user, $table_course_user course_user
WHERE course_user.user_id=user.user_id AND course_user.course_code='".api_get_course_id()."' AND course_user.status='1'";
$res = Database::query($sql);
$admin_course = '';
while($row_admin = Database::fetch_row($res)) {
$admin_course .= '\''.$row_admin[0].'\',';
}
$sql_document = "SELECT count(*) FROM $work_table s, $iprop_table p WHERE s.id = p.ref AND p.tool='work' AND s.accepted='1' AND url NOT LIKE '".$sub_course_dir.$dir."/%/%' AND url LIKE '".$sub_course_dir.$dir."/%'";
}
//count documents
$res_document = Database::query($sql_document);
$count_document = Database::fetch_row($res_document);
$cant_files = $count_document[0];
//count directories
$sql_directory = "SELECT count(*) FROM $work_table s WHERE url NOT LIKE '/".$mydir."/%/%' AND url LIKE '/".$mydir."/%'";
$res_directory = Database::query($sql_directory);
$count_directory = Database::fetch_row($res_directory);
$cant_dir = $count_directory[0];
$text_file = get_lang('FilesUpload');
$text_dir = get_lang('Directories');
if ($cant_files == 1) {
$text_file = api_strtolower(get_lang('FileUpload'));
}
if ($cant_dir == 1) {
$text_dir = get_lang('directory');
}
if ($cant_dir != 0) {
$dirtext = ' ('.$cant_dir.' '.$text_dir.')';
} else {
$dirtext = '';
}
$icon = '<img src="../img/works.gif" border="0" hspace="5" align="middle" alt="'.get_lang('Assignment').'" title="'.get_lang('Assignment').'" />';
if (!empty($display_edit_form) && isset($clean_edit_dir) && $clean_edit_dir == $mydir) {
$row[] = $icon;
$row[] = '<span class="invisible" style="display:none">'.$dir.'</span>'.$form_folder->toHtml(); // form to edit the directory's name
} else {
$row[] = '<a href="'.api_get_self().'?'.api_get_cidreq().'&origin='.$origin.'&gradebook='.$gradebook.'&curdirpath='.$mydir.'">'.$icon.'</a>';
$tbl_gradebook_link = Database::get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
$add_to_name = '';
$sql = "SELECT weight FROM ". $tbl_gradebook_link ." WHERE type='3' AND ref_id= '".$id2."'";
$result = Database::query($sql);
$count = Database::num_rows($result);
if ($count > 0) {
$add_to_name = ' / <span style="color:blue">'.get_lang('IncludedInEvaluation').'</span>';
} else {
$add_to_name = '';
}
$show_as_icon = get_work_id($mydir); //true or false
if ($show_as_icon) {
if (is_allowed_to_edit()) {
$zip='<a href="'.api_get_self().'?cidReq='.api_get_course_id().'&gradebook='.$gradebook.'&action=downloadfolder&path=/'.$mydir.'"><img src="../img/zip_save.gif" style="float:right;" alt="'.get_lang('Save').'" title="'.get_lang('Save').'" width="17" height="17"/></a>';
}
$row[] = $zip.'<a href="'.api_get_self().'?'.api_get_cidreq().'&origin='.$origin.'&gradebook='.Security::remove_XSS($_GET['gradebook']).'&curdirpath='.$mydir.'"'.$class.'>'.$dir.'</a>'.$add_to_name.'<br />'.$cant_files.' '.$text_file.$dirtext;
} else {
$row[] = '<a href="'.api_get_self().'?'.api_get_cidreq().'&origin='.$origin.'&gradebook='.$gradebook.'&curdirpath='.$mydir.'"'.$class.'>'.$dir.'</a>'.$add_to_name.'<br />'.$cant_files.' '.$text_file.$dirtext;
}
}
if ($count_files != 0) {
$row[] = '';
}
if ($direc_date != '' && $direc_date != '0000-00-00 00:00:00') {
$direc_date_local = api_get_local_time($direc_date);
$row[] = date_to_str_ago($direc_date_local).'<br /><span class="dropbox_date">'.api_format_date($direc_date_local).'</span>';
} else {
$direc_date_local = '0000-00-00 00:00:00';
$row[] = '';
}
if ($origin != 'learnpath') {
if ($is_allowed_to_edit) {
$action .= '<a href="'.api_get_self().'?cidReq='.api_get_course_id().
'&curdirpath='.$my_sub_dir.'&origin='.$origin.'&gradebook='.$gradebook.'&edit_dir='.$mydir.'"><img src="../img/edit.gif" alt="'.get_lang('Modify').'" title="'.get_lang('Modify').'"></a>';
$action .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&origin='.$origin.'&gradebook='.$gradebook.'&delete_dir='.$mydir.'&delete2='.$id2.'" onclick="javascript:if(!confirm('."'".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES))."'".')) return false;" title="'.get_lang('DirDelete').'" >'.Display::return_icon('delete.gif',get_lang('DirDelete')).'</a>';
$row[] = $action;
} else {
$row[] = '';
}
}
$row[] = $direc_date_local;
$table_data[] = $row;
}
}
//Redefining $my_sub_dir
if (substr($my_sub_dir,strlen($my_sub_dir)-1, strlen($my_sub_dir)) == '/') {
$my_sub_dir = substr($my_sub_dir, 0,strlen($my_sub_dir)-1);
}
if (Database::num_rows($sql_result) > 0) {
while ($work = Database::fetch_object($sql_result)) {
//Get the author ID for that document from the item_property table
$is_author = false;
$author_sql = "SELECT * FROM $iprop_table WHERE tool = 'work' AND ref=".$work->id;
$author_qry = Database::query($author_sql);
$row2 = Database::fetch_array($author_qry);
if (Database::num_rows($author_qry) == 1) {
$is_author = true;
}
//display info depending on the permissions
if ($work->accepted == '1' || $is_allowed_to_edit) {
$row = array();
if ($work->accepted == '0') {
$class = 'class="invisible"';
} else {
$class = '';
}
$qualification_string = '';
$add_string = '';
if (defined('IS_ASSIGNMENT')) {
if($work->qualification == '') {
//$qualification_string = '<b style="color:orange">'.get_lang('NotRevised').'</b>';
$qualification_string = '<b style="color:orange"> - </b>';
} else {
//$qualification_string = '<b style="color:blue">'.get_lang('Qualification').': '.$work->qualification.'</b>';
$qualification_string = '<b style="color:blue">'.$work->qualification.'</b>';
}
if (defined('ASSIGNMENT_EXPIRES') && (ASSIGNMENT_EXPIRES < convert_date_to_number($work->sent_date))) {
$add_string = ' <b style="color:red">'.get_lang('Expired').'</b>';
}
}
$url = implode('/', array_map('rawurlencode', explode('/', $work->url)));
$row[] = '<a href="download.php?file='.$url.'">'.build_document_icon_tag('file', substr(basename($work->url), 13)).'</a>';
$row[] = '<a href="download.php?file='.$url.'"'.$class.'><img src="../img/filesave.gif" style="float:right;" alt="'.get_lang('Save').'" title="'.get_lang('Save').'" />'.$work->title.'</a><br />'.$work->description;
$row[] = display_user_link_work($row2['insert_user_id'], $work->author); // $work->author;
$row[] = $qualification_string;
$work_sent_date_local = api_get_local_time($work->sent_date);
$row[] = date_to_str_ago($work_sent_date_local).$add_string.'<br /><span class="dropbox_date">'.api_format_date($work_sent_date_local).'</span>';
if ($is_allowed_to_edit) {
$action = '';
$action .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.urlencode($my_sub_dir).'&amp;origin='.$origin.'&gradebook='.$gradebook.'&amp;edit='.$work->id.'&gradebook='.Security::remove_XSS($_GET['gradebook']).'&amp;parent_id='.$work->parent_id.'" title="'.get_lang('Modify').'" ><img src="../img/edit.gif" alt="'.get_lang('Modify').'" title="'.get_lang('Modify').'"></a>';
$action .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.urlencode($my_sub_dir).'&amp;origin='.$origin.'&gradebook='.$gradebook.'&amp;delete='.$work->id.'" onclick="javascript:if(!confirm('."'".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES))."'".')) return false;" title="'.get_lang('WorkDelete').'" >'.Display::return_icon('delete.gif', get_lang('WorkDelete')).'</a>';
$action .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.urlencode($my_sub_dir).'&amp;origin='.$origin.'&gradebook='.$gradebook.'&amp;move='.$work->id.'" title="'.get_lang('Move').'"><img src="../img/deplacer_fichier.gif" border="0" title="'.get_lang('Move').'" alt="'.get_lang('Move').'" /></a>';
if ($work->accepted == '1') {
$action .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.urlencode($my_sub_dir).'&amp;origin='.$origin.'&gradebook='.$gradebook.'&amp;make_invisible='.$work->id.'&amp;'.$sort_params.'" title="'.get_lang('Invisible').'" ><img src="../img/visible.gif" alt="'.get_lang('Invisible').'" title="'.get_lang('Invisible').'"></a>';
} else {
$action .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.urlencode($my_sub_dir).'&amp;origin='.$origin.'&gradebook='.$gradebook.'&amp;make_visible='.$work->id.'&amp;'.$sort_params.'" title="'.get_lang('Visible').'" ><img src="../img/invisible.gif" alt="'.get_lang('Visible').'" title="'.get_lang('Visible').'"></a>';
}
$row[] = $action;
// the user that is not course admin can only edit/delete own document
} elseif ($row2['insert_user_id'] == $_user['user_id']) {
$action = '';
$action .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.urlencode($my_sub_dir).'&gradebook='.Security::remove_XSS($_GET['gradebook']).'&amp;origin='.$origin.'&gradebook='.$gradebook.'&amp;edit='.$work->id.'" title="'.get_lang('Modify').'" ><img src="../img/edit.gif" alt="'.get_lang('Modify').'" title="'.get_lang('Modify').'"></a>';
if (api_get_course_setting('student_delete_own_publication') == 1) {
$action .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.urlencode($my_sub_dir).'&amp;origin='.$origin.'&gradebook='.$gradebook.'&amp;delete='.$work->id.'" onclick="javascript:if(!confirm('."'".addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES))."'".')) return false;" title="'.get_lang('WorkDelete').'" >'.Display::return_icon('delete.gif',get_lang('WorkDelete')).'</a>';
}
$row[] = $action;
} else {
$row[] = ' ';
}
$row[] = $work_sent_date_local;
$table_data[] = $row;
}
}
}
$sorting_options = array();
$sorting_options['column'] = 1;
$paging_options = array();
if (isset($_GET['curdirpath'])) {
$my_params = array ('curdirpath' => Security::remove_XSS($_GET['curdirpath']));
}
if (isset($_GET['edit_dir'])) {
$my_params = array ('edit_dir' => Security::remove_XSS($_GET['edit_dir']));
}
$my_params['origin'] = $origin;
Display::display_sortable_config_table($table_header, $table_data, $sorting_options, $paging_options, $my_params, $column_show, $column_order);
}
/**
* Returns a list of subdirectories found in the given directory.
*
* The list return starts from the given base directory.
* If you require the subdirs of /var/www/ (or /var/www), you will get 'abc/', 'def/', but not '/var/www/abc/'...
* @param string Base dir
* @param integer 0 if we only want dirs from this level, 1 if we want to recurse into subdirs
* @return strings_array The list of subdirs in 'abc/' form, -1 on error, and 0 if none found
* @todo Add a session check to see if subdirs_list doesn't exist yet (cached copy)
*/
function get_subdirs_list($basedir = '', $recurse = 0) {
//echo "Looking for subdirs of $basedir";
if (empty($basedir) or !is_dir($basedir)) {
return -1;
}
if (substr($basedir, -1, 1) != '/') {
$basedir = $basedir.'/';
}
$dirs_list = array();
$dh = opendir($basedir);
while ($entry = readdir($dh)) {
$entry = replace_dangerous_char($entry);
$entry = disable_dangerous_file($entry);
if (is_dir($basedir.$entry) && $entry != '..' && $entry != '.') {
$dirs_list[] = $entry;
if ($recurse == 1) {
foreach (get_subdirs_list($basedir.$entry) as $subdir) {
$dirs_list[] = $entry.'/'.$subdir;
}
}
}
}
closedir($dh);
return $dirs_list;
}
/**
* Builds the form thats enables the user to
* select a directory to browse/upload in
* This function has been copied from the document/document.inc.php library
*
* @param array $folders
* @param string $curdirpath
* @param string $group_dir
* @return string html form
*/
// TODO: This function is a candidate for removal, it is not used anywhere.
function build_work_directory_selector($folders, $curdirpath, $group_dir = '') {
$form = '<form name="selector" action="'.api_get_self().'?'.api_get_cidreq().'" method="POST">'."\n";
$form .= get_lang('CurrentDirectory').' <select name="curdirpath" onchange="javascript: document.selector.submit();">'."\n";
//group documents cannot be uploaded in the root
if ($group_dir == '') {
$form .= '<option value="/">/ ('.get_lang('Root').')</option>';
if (is_array($folders)) {
foreach ($folders as $folder) {
$selected = ($curdirpath == $folder) ? ' selected="selected"' : '';
$form .= '<option'.$selected.' value="'.$folder.'">'.$folder.'</option>'."\n";
}
}
} else {
foreach ($folders as $folder) {
$selected = ($curdirpath == $folder) ? ' selected="selected"' : '';
$display_folder = substr($folder, strlen($group_dir));
$display_folder = ($display_folder == '') ? '/ ('.get_lang('Root').')' : $display_folder;
$form .= '<option'.$selected.' value="'.$folder.'">'.$display_folder.'</option>'."\n";
}
}
$form .= '</select>'."\n";
$form .= '<noscript><input type="submit" name="change_path" value="'.get_lang('Ok').'" /></noscript>'."\n";
$form .= '</form>';
return $form;
}
/**
* Builds the form thats enables the user to
* move a document from one directory to another
* This function has been copied from the document/document.inc.php library
*
* @param array $folders
* @param string $curdirpath
* @param string $move_file
* @return string html form
*/
function build_work_move_to_selector($folders, $curdirpath, $move_file, $group_dir = '') {
//gets file title
$move_file = intval($move_file);
$tbl_work = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
$sql = "SELECT title FROM $tbl_work WHERE id ='".$move_file."'";
$result = Database::query($sql);
$title = Database::fetch_row($result);
global $gradebook;
$form = '<form name="move_to" action="'.api_get_self().'?gradebook='.$gradebook.'" method="POST">'."\n";
$form .= '<div class="row"><div class="form_header">'.get_lang('MoveFile').'</div></div>';
$form .= '<input type="hidden" name="move_file" value="'.$move_file.'" />'."\n";
$form .= '<div class="row">
<div class="label">
<span class="form_required">*</span>'.sprintf(get_lang('MoveXTo'), $title[0]).'
</div>
<div class="formw">';
$form .= ' <select name="move_to">'."\n";
//group documents cannot be uploaded in the root
if ($group_dir == '') {
if ($curdirpath != '/') {
$form .= '<option value="0">/ ('.get_lang('Root').')</option>';
}
if (is_array($folders)) {
foreach ($folders as $fid => $folder) {
//you cannot move a file to:
//1. current directory
//2. inside the folder you want to move
//3. inside a subfolder of the folder you want to move
if (($curdirpath != $folder) && ($folder != $move_file) && (substr($folder, 0, strlen($move_file) + 1) != $move_file.'/')) {
$form .= '<option value="'.$fid.'">'.$folder.'</option>'."\n";
}
}
}
} else {
if ($curdirpath != '/') {
$form .= '<option value="0">/ ('.get_lang('Root').')</option>';
}
foreach ($folders as $fid => $folder) {
if (($curdirpath != $folder) && ($folder != $move_file) && (substr($folder, 0, strlen($move_file) + 1) != $move_file.'/')) {
//cannot copy dir into his own subdir
$display_folder = substr($folder, strlen($group_dir));
$display_folder = ($display_folder == '') ? '/ ('.get_lang('Root').')' : $display_folder;
$form .= '<option value="'.$fid.'">'.$display_folder.'</option>'."\n";
}
}
}
$form .= '</select>'."\n";
$form .= ' </div>
</div>';
$form .= '<div class="row">
<div class="label">
</div>
<div class="formw">
<button type="submit" class="save" name="move_file_submit">'.get_lang('MoveFile').'</button>
</div>
</div>';
$form .= '</form>';
$form .= '<div style="clear: both; margin-bottom: 10px;"></div>';
return $form;
}
/**
* Checks if the first given directory exists as a subdir of the second given directory
* This function should now be deprecated by Security::check_abs_path()
* @param string Subdir
* @param string Base dir
* @return integer -1 on error, 0 if not subdir, 1 if subdir
*/
// TODO: This function is a candidate for removal, it is not used anywhere.
function is_subdir_of($subdir, $basedir) {
if (empty($subdir) or empty($basedir)) {
return -1;
}
if (substr($basedir, -1, 1) != '/') {
$basedir = $basedir.'/';
}
if (substr($subdir, 0, 1) == '/') {
$subdir = substr($subdir, 1);
}
return is_dir($basedir.$subdir) ? 1 : 0;
}
/**
* creates a new directory trying to find a directory name
* that doesn't already exist
* (we could use unique_name() here...)
*
* @author Hugues Peeters <hugues.peeters@claroline.net>
* @author Bert Vanderkimpen
* @author Yannick Warnier <ywarnier@beeznest.org> Adaptation for work tool
* @param string Base work dir (.../work)
* @param string $desiredDirName complete path of the desired name
* @return string actual directory name if it succeeds, boolean false otherwise
*/
function create_unexisting_work_directory($base_work_dir, $desired_dir_name) {
$nb = '';
$base_work_dir = (substr($base_work_dir, -1, 1) == '/' ? $base_work_dir : $base_work_dir.'/');
while (file_exists($base_work_dir.$desired_dir_name.$nb)) {
$nb += 1;
}
if (@mkdir($base_work_dir.$desired_dir_name.$nb, api_get_permissions_for_new_directories())) {
return $desired_dir_name.$nb;
} else {
return false;
}
}
/**
* Delete a work-tool directory
* @param string Base "work" directory for this course as /var/www/dokeos/courses/ABCD/work/
* @param string The directory name as the bit after "work/", without trailing slash
* @return integer -1 on error
*/
function del_dir($base_work_dir, $dir, $id) {
$id = intval($id);
if (empty($dir) or $dir == '/') {
return -1;
}
$check = Security::check_abs_path($base_work_dir.$dir, $base_work_dir);
if (!$check || !is_dir($base_work_dir.$dir)) {
return -1;
}
$table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
$sql = "DELETE FROM $table WHERE url LIKE BINARY 'work/".$dir."/%'";
$res = Database::query($sql);
//delete from DB the directories
$sql = "DELETE FROM $table WHERE filetype = 'folder' AND url LIKE BINARY '/".$dir."%'";
$res = Database::query($sql);
require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
$new_dir = $dir.'_DELETED_'.$id;
if (api_get_setting('permanently_remove_deleted_files') == 'true'){
my_delete($base_work_dir.$dir);
} else {
if (file_exists($base_work_dir.$dir)) {
rename($base_work_dir.$dir, $base_work_dir.$new_dir);
}
}
}
/**
* Get the path of a document in the student_publication table (path relative to the course directory)
* @param integer Element ID
* @return string Path (or -1 on error)
*/
function get_work_path($id) {
$table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
$sql = 'SELECT url FROM '.$table.' WHERE id='.intval($id);
$res = Database::query($sql);
if (Database::num_rows($res) != 1) {
return -1;
} else {
$row = Database::fetch_array($res);
return $row['url'];
}
}
/**
* Update the url of a work in the student_publication table
* @param integer ID of the work to update
* @param string Destination directory where the work has been moved (must end with a '/')
* @return -1 on error, sql query result on success
*/
function update_work_url($id, $new_path, $parent_id) {
if (empty($id)) return -1;
$table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
$sql = "SELECT * FROM $table WHERE id=$id";
$res = Database::query($sql);
if (Database::num_rows($res) != 1) {
return -1;
} else {
$row = Database::fetch_array($res);
$filename = basename($row['url']);
$new_url = $new_path .$filename;
$sql2 = "UPDATE $table SET url = '$new_url', parent_id = '$parent_id' WHERE id=$id";
$res2 = Database::query($sql2);
return $res2;
}
}
/**
* Update the url of a dir in the student_publication table
* @param string old path
* @param string new path
*/
function update_dir_name($path, $new_name) {
if (!empty($new_name)) {
global $base_work_dir;
include_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
include_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php';
$path_to_dir = dirname($path);
if ($path_to_dir == '.') {
$path_to_dir = '';
} else {
$path_to_dir .= '/';
}
$new_name = Security::remove_XSS($new_name);
$new_name = replace_dangerous_char($new_name);
$new_name = disable_dangerous_file($new_name);
my_rename($base_work_dir.'/'.$path, $new_name);
$table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
//update all the files in the other directories according with the next query
$sql = 'SELECT id, url FROM '.$table.' WHERE url LIKE BINARY "work/'.$path.'/%"'; // like binary (Case Sensitive)
$rs = Database::query($sql);
$work_len = strlen('work/'.$path);
while ($work = Database :: fetch_array($rs)) {
$new_dir = $work['url'];
$name_with_directory = substr($new_dir, $work_len, strlen($new_dir));
$sql = 'UPDATE '.$table.' SET url="work/'.$path_to_dir.$new_name.$name_with_directory.'" WHERE id= '.$work['id'];
Database::query($sql);
}
//update all the directory's children according with the next query
$sql = 'SELECT id, url FROM '.$table.' WHERE url LIKE BINARY "/'.$path.'%"';
$rs = Database::query($sql);
$work_len = strlen('/'.$path);
while ($work = Database :: fetch_array($rs)) {
$new_dir = $work['url'];
$name_with_directory = substr($new_dir, $work_len, strlen($new_dir));
$url = $path_to_dir.$new_name.$name_with_directory;
$sql = 'UPDATE '.$table.' SET url="/'.$url.'" WHERE id= '.$work['id'];
Database::query($sql);
}
}
}
/**
* Return an array with all the folder's ids that are in the given path
* @param string Path of the directory
* @return array The list of ids of all the directories in the path
* @author Julio Montoya Dokeos
* @version April 2008
*/
function get_parent_directories($my_cur_dir_path) {
$list_id = array();
if (!empty($my_cur_dir_path)) {
$list_parents = explode('/', $my_cur_dir_path);
$dir_acum = '';
$work_table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
for ($i = 0; $i < count($list_parents) - 1; $i++) {
$item = Database::escape_string($list_parents[$i]);
$where_sentence = "url LIKE BINARY '" . $dir_acum . "/" . $item."'";
$dir_acum .= '/' . $list_parents[$i];
$sql = "SELECT id FROM ". $work_table . " WHERE ". $where_sentence;
$result = Database::query($sql);
$row = Database::fetch_array($result);
$list_id[] = $row['id'];
}
}
return $list_id;
}
/**
* Transform an all directory structure (only directories) in an array
* @param string path of the directory
* @return array the directory structure into an array
* @author Julio Montoya Dokeos
* @version April 2008
*/
function directory_to_array($directory) {
$array_items = array();
if ($handle = @opendir($directory)) {
while (false !== ($file = readdir($handle))) {
if ($file != '.' && $file != '..') {
if (is_dir($directory. '/' . $file)) {
$array_items = array_merge($array_items, directory_to_array($directory. '/' . $file));
$file = $directory . '/' . $file;
$array_items[] = preg_replace("/\/\//si", '/', $file);
}
}
}
closedir($handle);
}
return $array_items;
}
/**
* Insert into the DB of the course all the directories
* @param string path of the /work directory of the course
* @return -1 on error, sql query result on success
* @author Julio Montoya Dokeos
* @version April 2008
*/
function insert_all_directory_in_course_table($base_work_dir) {
$dir_to_array = directory_to_array($base_work_dir, true);
$only_dir = array();
for ($i = 0; $i < count($dir_to_array); $i++) {
$only_dir[] = substr($dir_to_array[$i], strlen($base_work_dir), strlen($dir_to_array[$i]));
}
for($i = 0; $i < count($only_dir); $i++) {
global $work_table;
$sql_insert_all= "INSERT INTO " . $work_table . " SET url = '" . $only_dir[$i] . "', " .
"title = '',
description = '',
author = '',
active = '0',
accepted = '1',
filetype = 'folder',
post_group_id = '".intval($_GET['toolgroup'])."',
sent_date = '0000-00-00 00:00:00' ";
Database::query($sql_insert_all);
}
}
/**
* This function displays the number of files contained in a directory
*
* @param string the path of the directory
* @param boolean true if we want the total quantity of files include in others child directorys , false only files in the directory
* @return array the first element is an integer with the number of files in the folder, the second element is the number of directories
* @author Julio Montoya Dokeos
* @version April 2008
*/
function count_dir($path_dir, $recurse) {
$count = 0;
$count_dir = 0;
$d = dir($path_dir);
while ($entry = $d->Read()) {
if (!(($entry == '..') || ($entry == '.'))) {
if (is_dir($path_dir.'/'.$entry)) {
$count_dir++;
if ($recurse) {
$count += count_dir($path_dir . '/' . $entry, $recurse);
}
} else {
$count++;
}
}
}
$return_array = array();
$return_array[] = $count;
$return_array[] = $count_dir;
return $return_array;
}
/**
* returns all the javascript that is required for easily
* validation when you create a work
* this goes into the $htmlHeadXtra[] array
*/
function to_javascript_work() {
return '<script>
function plus() {
if(document.getElementById(\'options\').style.display == \'none\') {
document.getElementById(\'options\').style.display = \'block\';
document.getElementById(\'plus\').innerHTML=\'&nbsp;'.Display::return_icon('div_hide.gif', get_lang('Hide', ''), array('style' => 'vertical-align:middle')).'&nbsp;'.addslashes(get_lang('AdvancedParameters', '')).'\';
} else {
document.getElementById(\'options\').style.display = \'none\';
document.getElementById(\'plus\').innerHTML=\'&nbsp;'.Display::return_icon('div_show.gif', get_lang('Show', ''), array('style' => 'vertical-align:middle')).'&nbsp;'.addslashes(get_lang('AdvancedParameters', '')).'\';
}
}
function updateDocumentTitle(value){
var temp = value.indexOf("/");
//linux path
if(temp!=-1){
var temp=value.split("/");
}
else{
var temp=value.split("\\\");
}
document.getElementById("file_upload").value=temp[temp.length-1];
}
function checkDate(month, day, year)
{
var monthLength =
new Array(31,28,31,30,31,30,31,31,30,31,30,31);
if (!day || !month || !year)
return false;
// check for bisestile year
if (year/4 == parseInt(year/4))
monthLength[1] = 29;
if (month < 1 || month > 12)
return false;
if (day > monthLength[month-1])
return false;
return true;
}
function mktime() {
var no, ma = 0, mb = 0, i = 0, d = new Date(), argv = arguments, argc = argv.length;
d.setHours(0,0,0); d.setDate(1); d.setMonth(1); d.setYear(1972);
var dateManip = {
0: function(tt){ return d.setHours(tt); },
1: function(tt){ return d.setMinutes(tt); },
2: function(tt){ set = d.setSeconds(tt); mb = d.getDate() - 1; return set; },
3: function(tt){ set = d.setMonth(parseInt(tt)-1); ma = d.getFullYear() - 1972; return set; },
4: function(tt){ return d.setDate(tt+mb); },
5: function(tt){ return d.setYear(tt+ma); }
};
for( i = 0; i < argc; i++ ){
no = parseInt(argv[i]*1);
if (isNaN(no)) {
return false;
} else {
// arg is number, lets manipulate date object
if(!dateManip[i](no)){
// failed
return false;
}
}
}
return Math.floor(d.getTime()/1000);
}
function validate(){
var expires_day = document.form1.expires_day.value;
var expires_month = document.form1.expires_month.value;
var expires_year = document.form1.expires_year.value;
var expires_hour = document.form1.expires_hour.value;
var expires_minute = document.form1.expires_minute.value;
var expires_date = mktime(expires_hour,expires_minute,0,expires_month,expires_day,expires_year)
var ends_day = document.form1.ends_day.value;
var ends_month = document.form1.ends_month.value;
var ends_year = document.form1.ends_year.value;
var ends_hour = document.form1.ends_hour.value;
var ends_minute = document.form1.ends_minute.value;
var ends_date = mktime(ends_hour,ends_minute,0,ends_month,ends_day,ends_year)
var new_dir = document.form1.new_dir.value;
msg_id1 = document.getElementById("msg_error1");
msg_id2 = document.getElementById("msg_error2");
msg_id3 = document.getElementById("msg_error3");
msg_id4 = document.getElementById("msg_error4");
msg_id5 = document.getElementById("msg_error_weight");
if(new_dir==""){
msg_id1.style.display ="block";
msg_id1.innerHTML="'.get_lang('FieldRequired', '').'";
msg_id2.innerHTML="";msg_id3.innerHTML="";msg_id4.innerHTML="";msg_id5.innerHTML="";
}
else if(document.form1.type1.checked && document.form1.type2.checked && expires_date > ends_date) {
msg_id2.style.display ="block";
msg_id2.innerHTML="'.get_lang('EndDateCannotBeBeforeTheExpireDate', '').'";
msg_id1.innerHTML="";msg_id3.innerHTML="";msg_id4.innerHTML="";msg_id5.innerHTML="";
}
else if (!checkDate(expires_month,expires_day,expires_year))
{
msg_id3.style.display ="block";
msg_id3.innerHTML="'.get_lang('InvalidDate', '').'";
msg_id1.innerHTML="";msg_id2.innerHTML="";msg_id4.innerHTML="";msg_id5.innerHTML="";
}
else if (!checkDate(ends_month,ends_day,ends_year))
{
msg_id4.style.display ="block";
msg_id4.innerHTML="'.get_lang('InvalidDate', '').'";
msg_id1.innerHTML="";msg_id2.innerHTML="";msg_id3.innerHTML="";msg_id5.innerHTML="";
}
else
{
if (document.form1.make_calification.checked)
{
var weight = document.form1.weight.value;
if(weight==""){
msg_id5.style.display ="block";
msg_id5.innerHTML="'.get_lang('WeightNecessary', '').'";
msg_id1.innerHTML="";msg_id2.innerHTML="";msg_id3.innerHTML="";msg_id4.innerHTML="";
return false;
}
}
document.form1.action = "work.php?origin='.api_get_tools_lists($_REQUEST['origin']).'&gradebook='.(empty($_GET['gradebook'])?'':'view').'";
document.form1.submit();
}
}
</script>';
}
/**
* Gets the id of a student publication with a given path
* @param string $path
* @return true if is found / false if not found
*/
// TODO: The name of this function does not fit with the kind of information it returns. Maybe check_work_id() or is_work_id()?
function get_work_id($path) {
$TBL_STUDENT_PUBLICATION = Database :: get_course_table(TABLE_STUDENT_PUBLICATION);
$TBL_PROP_TABLE = Database::get_course_table(TABLE_ITEM_PROPERTY);
if (is_allowed_to_edit()) {
$sql = "SELECT work.id FROM $TBL_STUDENT_PUBLICATION AS work,$TBL_PROP_TABLE AS props WHERE props.tool='work' AND work.id=props.ref AND work.url LIKE 'work/".$path."%' AND work.filetype='file' AND props.visibility<>'2'";
} else {
$sql = "SELECT work.id FROM $TBL_STUDENT_PUBLICATION AS work,$TBL_PROP_TABLE AS props WHERE props.tool='work' AND work.id=props.ref AND work.url LIKE 'work/".$path."%' AND work.filetype='file' AND props.visibility<>'2' AND props.lastedit_user_id='".api_get_user_id()."'";
}
$result = Database::query($sql);
$num_rows = Database::num_rows($result);
if ($result && $num_rows > 0) {
return true;
} else {
return false;
}
}
/**
* Get list of users who have not given the task
* @param int
* @return array
* @author cvargas carlos.vargas@beeznest.com
*/
function get_list_users_without_publication($task_id) {
$work_table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
$iprop_table = Database::get_course_table(TABLE_ITEM_PROPERTY);
$table_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
$session_course_rel_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
//condition for the session
$session_id = api_get_session_id();
if ($session_id == 0){
$sql = "SELECT user_id as id FROM $work_table WHERE parent_id='$task_id'";
} else {
$sql = "SELECT user_id as id FROM $work_table WHERE parent_id='$task_id' and session_id='".$session_id."'";
}
$result = Database::query($sql);
$users_with_tasks = array();
while($row = Database::fetch_array($result)) {
$users_with_tasks[] = $row['id'];
}
if ($session_id == 0){
$sql_users = "SELECT cu.user_id, u.lastname, u.firstname, u.email FROM $table_course_user AS cu, $table_user AS u WHERE u.status!=1 and cu.course_code='".api_get_course_id()."' AND u.user_id=cu.user_id";
} else {
$sql_users = "SELECT cu.id_user, u.lastname, u.firstname, u.email FROM $session_course_rel_user AS cu, $table_user AS u WHERE u.status!=1 and cu.course_code='".api_get_course_id()."' AND u.user_id=cu.id_user and cu.id_session='".$session_id."'";
}
$result_users = Database::query($sql_users);
$users_without_tasks = array();
while ($row_users = Database::fetch_row($result_users)) {
if (in_array($row_users[0], $users_with_tasks)) continue;
$user_id = array_shift($row_users);
$row_users[3] = $row_users[2];
$row_users[2] = Display::encrypted_mailto_link($row_users[2], $row_users[2]);
$users_without_tasks[] = $row_users;
}
return $users_without_tasks;
}
/**
* Display list of users who have not given the task
*
* @param int task id
* @return array
* @author cvargas carlos.vargas@beeznest.com cfasanando, christian.fasanado@beeznest.com
* @author Julio Montoya <gugli100@gmail.com> Fixes
*/
function display_list_users_without_publication($task_id) {
global $origin;
$table_header[] = array(get_lang('LastName'), true);
$table_header[] = array(get_lang('FirstName'), true);
$table_header[] = array(get_lang('Email'), true);
// table_data
$table_data = get_list_users_without_publication($task_id);
$sorting_options = array();
$sorting_options['column'] = 1;
$paging_options = array();
$my_params = array();
if (isset($_GET['curdirpath'])) {
$my_params['curdirpath'] = Security::remove_XSS($_GET['curdirpath']);
}
if (isset($_GET['edit_dir'])) {
$my_params['edit_dir'] = Security::remove_XSS($_GET['edit_dir']);
}
if (isset($_GET['list'])) {
$my_params['list'] = Security::remove_XSS($_GET['list']);
}
$my_params['origin'] = $origin;
//$column_show
$column_show[] = 1;
$column_show[] = 1;
$column_show[] = 1;
Display::display_sortable_config_table($table_header, $table_data, $sorting_options, $paging_options, $my_params, $column_show);
}
/**
* Send reminder to users who have not given the task
*
* @param int
* @return array
* @author cvargas carlos.vargas@beeznest.com cfasanando, christian.fasanado@beeznest.com
*/
function send_reminder_users_without_publication($task_id) {
global $_course, $my_cur_dir_path, $currentUserFirstName, $currentUserLastName, $currentUserEmail;
$emailsubject = '[' . api_get_setting('siteName') . '] ';
$sender_name = api_get_person_name($currentUserFirstName, $currentUserLastName, null, PERSON_NAME_EMAIL_ADDRESS);
$email_admin = $currentUserEmail;
// The body can be as long as you wish, and any combination of text and variables
$emailbody_user .= get_lang('ReminderToSubmitPendingTask')."\n".get_lang('CourseName').' : '.$_course['name']."\n";
$emailbody_user .= get_lang('WorkName').' : '.substr($my_cur_dir_path, 0, -1)."\n\n".get_lang('Teacher').' : '.api_get_person_name($currentUserFirstName, $currentUserLastName)."\n".get_lang('Email').' : '.$currentUserEmail;
$list_users = get_list_users_without_publication($task_id);
foreach ($list_users as $user) {
$name_user = api_get_person_name($user[0], $user[1], null, PERSON_NAME_EMAIL_ADDRESS);
@api_mail($name_user, $user[3], $emailsubject, $emailbody_user, $sender_name, $email_admin);
}
}
/**
* Sends an email to the students of a course when a homework is created
*
* @param string course_id
*
* @author Guillaume Viguier <guillaume.viguier@beeznest.com>
*/
function send_email_on_homework_creation($course_id) {
require_once api_get_path(LIBRARY_PATH).'course.lib.php';
// Get the students of the course
$students = CourseManager::get_student_list_from_course_code($course_id);
$emailsubject = '[' . api_get_setting('siteName') . '] '.get_lang('HomeworkCreated');
$currentUser = api_get_user_info(api_get_user_id());
foreach($students as $student) {
$user_info = api_get_user_info($student["user_id"]);
if(!empty($user_info["mail"])) {
$name_user = api_get_person_name($user_info["firstname"], $user_info["lastname"], null, PERSON_NAME_EMAIL_ADDRESS);
$emailbody = get_lang('Dear')." ".$name_user.",\n\n";
$emailbody .= get_lang('HomeworkHasBeenCreatedForTheCourse')." ".$course_id.". "."\n\n".get_lang('PleaseCheckHomeworkPage');
$emailbody .= "\n\n".api_get_person_name($currentUser["firstname"], $currentUser["lastname"]);
@api_mail($name_user, $user_info["mail"], $emailsubject, $emailbody, api_get_person_name($currentUser["firstname"], $currentUser["lastname"], null, PERSON_NAME_EMAIL_ADDRESS), $currentUser["mail"]);
}
}
}
function is_work_exist_by_url($url) {
$work_table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
$url = Database::escape_string($url);
$sql = "SELECT id FROM $work_table WHERE url='$url'";
$result = Database::query($sql);
if (Database::num_rows($result)> 0) {
$row = Database::fetch_row($result);
if (empty($row)) {
return false;
} else {
return true;
}
} else {
return false;
}
}