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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 //$Id: work.lib.php 18636 2009-02-23 18:44:54Z yannoo $
/* For licensing terms, see /dokeos_license.txt */
/**
* @package dokeos.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 18636 2009-02-23 18:44:54Z yannoo $
*/
/**
* 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
*/
require_once '../document/document.inc.php';
require_once '../inc/lib/fileDisplay.lib.php';
function display_action_links($cur_dir_path, $always_show_tool_options, $always_show_upload_form)
{
echo '<div class="actions">';
$display_output = "";
isset($_GET['origin'])?$origin = Security::remove_XSS($_GET['origin']):$origin='';
if (strlen($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.'&curdirpath='.$parent_dir.'">'.Display::return_icon('folder_up.gif', get_lang('Up')).' '.get_lang('Up').'</a>&nbsp&nbsp';
}
if (! $always_show_tool_options && api_is_allowed_to_edit()) {
// Create dir
$display_output .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;toolgroup='.$_GET['toolgroup'].'&amp;curdirpath='.$cur_dir_path.'&amp;createdir=1&origin='.$origin.'"><img src="../img/folder_new.gif" border="0" alt="'.get_lang('CreateDir').'" title ="'.get_lang('CreateDir').'" /> '.get_lang('CreateDir').' </a>&nbsp&nbsp';
// Options
$display_output .= "<a href=\"".api_get_self()."?".api_get_cidreq()."&curdirpath=".$cur_dir_path."&amp;origin=".$origin."&amp;display_tool_options=true&amp;origin=".$origin."\">".Display::return_icon('acces_tool.gif', get_lang("EditToolOptions")).' ' . get_lang("EditToolOptions") . "</a>&nbsp&nbsp";
}
if (! $always_show_upload_form ) {
$display_output .= "&nbsp&nbsp<a href=\"".api_get_self()."?".api_get_cidreq()."&curdirpath=".$cur_dir_path."&amp;display_upload_form=true&amp;origin=".$origin."\">".Display::return_icon('submit_file.gif', get_lang("UploadADocument"))." ". get_lang("UploadADocument") .'</a>&nbsp&nbsp&nbsp&nbsp';
}
if ($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 $charset, $group_properties;
$is_allowed_to_edit = api_is_allowed_to_edit();
$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.'&display_tool_options=true">';
echo "<br/><table class=\"data_table\">\n",
"<tr><th>&nbsp;</th><th>".get_lang("Modify")."</th></tr><tr class=\"row_even\">\n",
"<td align=\"right\">",
get_lang('AllFiles')." : </td>",
"<td ><a href=\"".api_get_self()."?".api_get_cidreq()."&amp;curdirpath=".$cur_dir_path."&amp;origin=$origin&amp;delete=all&amp;display_tool_options=true\" ",
"onclick=\"javascript:if(!confirm('".addslashes(htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset))."')) return false;\">",
"<img src=\"../img/delete.gif\" border=\"0\" alt=\"".get_lang('Delete')."\" title=\"".get_lang('Delete')."\" />",
"</a>",
"&nbsp;";
$sql_query = "SHOW COLUMNS FROM ".$work_table." LIKE 'accepted'";
$sql_result = api_sql_query($sql_query,__FILE__,__LINE__);
if ($sql_result) {
$columnStatus = mysql_fetch_array($sql_result);
if ($columnStatus['Default'] == 1) {
echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&curdirpath=".$cur_dir_path."&amp;origin=$origin&make_invisible=all&display_tool_options=true\">",
"<img src=\"../img/visible.gif\" border=\"0\" alt=\"".get_lang('Invisible')."\" title=\"".get_lang('Invisible')."\" />",
"</a>\n";
} else {
echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&amp;curdirpath=".$cur_dir_path."&amp;origin=$origin&amp;make_visible=all&amp;display_tool_options=true\">",
"<img src=\"../img/invisible.gif\" border=\"0\" alt=\"".get_lang('Visible')."\" title=\"".get_lang('Visible')."\" />",
"</a>\n";
}
}
echo "</td></tr>";
display_default_visibility_form($uploadvisibledisabled);
echo '</table>';
echo '<div>'.get_lang("ValidateChanges").' : <button type="submit" name="changeProperties" value="'.get_lang('Ok').'">'.get_lang('Ok').'</button></div></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) {
?>
<tr class="row_odd"><td align="right">
<strong><?php echo get_lang("_default_upload"); ?></strong></td>
<td><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"); ?><br />
</td></tr>
<?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($user_id, $name='')
{
global $_otherusers;
if ($user_id<>0) {
$table_user = Database::get_main_table(TABLE_MAIN_USER);
$sql="SELECT * FROM $table_user WHERE user_id='".Database::escape_string($user_id)."'";
$result=api_sql_query($sql,__FILE__,__LINE__);
$row=Database::fetch_array($result);
if ($name=='') {
return "<a href=\"../user/userInfo.php?cidReq=".api_get_course_id()."&origin=&uInfo=".$row['user_id']."\">".$row['firstname']." ".$row['lastname']."</a>";
} else {
return "<a href=\"../user/userInfo.php?cidReq=".api_get_course_id()."&origin=&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($d_hour, $d_minute, $d_second, $d_month, $d_day, $d_year);
}
/**
* converts 1-9 to 01-09
*/
function two_digits($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);
list($data[$group.'[year]'],$data[$group.'[month]'],$data[$group.'[day]']) = split('-',$parts[0]);
list($data[$group.'[hour]'],$data[$group.'[minute]']) = split(':',$parts[1]);
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),array(get_lang('JanuaryLong'),get_lang('FebruaryLong'),get_lang('MarchLong'),get_lang('AprilLong'),get_lang('MayLong'),get_lang('JuneLong'),get_lang('JulyLong'),get_lang('AugustLong'),get_lang('SeptemberLong'),get_lang('OctoberLong'),get_lang('NovemberLong'),get_lang('DecemberLong'))));
$group_name[] = FormValidator :: createElement('select',$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 $charset,$timeNoSecFormat,$dateFormatShort;
// 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();
$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 == '/') {
$sub_course_dir='';
}
isset($_SESSION['id_session'])?$id_session=$_SESSION['id_session']:$id_session=null;
$session_condition = intval($id_session)!=0 ?"AND session_id IN (0,".intval($id_session).")" : "";
//Get list from database
if($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.
$session_condition.
"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.
$session_condition.
"ORDER BY id";
} else {
if (!empty($_SESSION['toolgroup'])) {
$group_query = " WHERE post_group_id = '".$_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." AND session_id IN (0,".intval($id_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.
$session_condition.
"ORDER BY id";
}
$sql_result = api_sql_query($sql_get_publications_list,__FILE__,__LINE__);
$sql_result_num = api_sql_query($sql_get_publications_num,__FILE__,__LINE__);
$row=Database::fetch_array($sql_result_num);
$count_files=$row[0];
$table_header[] = array(get_lang('Type'),true,'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('Date'),true);
if( $is_allowed_to_edit) {
$table_header[] = array(get_lang('Modify'),true);
}
$table_header[] = array('RealDate',false);
// 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; //date
if( $is_allowed_to_edit) {
$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[]=1; //type
$column_order[]=2; // title
if ($count_files!=0) {
$column_order[]=3; //authors
}
$column_order[]=6; // date
if( $is_allowed_to_edit) {
$column_order[]=5;
}
$column_order[]=6;
$table_data = array();
$dirs_list = get_subdirs_list($work_dir);
$my_sub_dir = str_replace('work/','',$sub_course_dir);
// List of all folders
foreach($dirs_list as $dir) {
if ($my_sub_dir=='') {
$mydir_temp = '/'.$dir;
}else {
$mydir_temp = '/'.$my_sub_dir.$dir;
}
$session_condition = intval($id_session)!=0 ?"AND work.session_id IN (0,".intval($id_session).")" : "";
$sql_select_directory= "SELECT prop.lastedit_date, id, author, has_properties, view_properties, description, qualification,id FROM ".$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' $session_condition";
$result=api_sql_query($sql_select_directory,__FILE__,__LINE__);
$row=Database::fetch_array($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'])?$clean_edit_dir=Security :: remove_XSS(Database::escape_string($_GET['edit_dir'])):$clean_edit_dir='';
// form edit directory
if(isset($clean_edit_dir) && $clean_edit_dir==$mydir) {
if(!empty($row['has_properties'])) {
$sql = api_sql_query('SELECT * FROM '.$work_assigment.' WHERE id = '."'".$row['has_properties']."'".' LIMIT 1',__FILE__,__LINE__);
$homework = mysql_fetch_array($sql);
}
$form_folder = new FormValidator('edit_dir', 'post', api_get_self().'?curdirpath='.$my_sub_dir.'&origin='.$origin.'&edit_dir='.$mydir);
$group_name[] = FormValidator :: createElement('text','dir_name');
//$group_name[] = FormValidator :: createElement('submit','submit_edit_dir',get_lang('Ok'));
$form_folder -> addGroup($group_name,'my_group',get_lang('Title'));
$form_folder -> addGroupRule('my_group',get_lang('ThisFieldIsRequired'),'required');
$defaults = array('my_group[dir_name]'=>$dir,'description'=>$row['description']);
$form_folder-> addElement('textarea','description',get_lang('Description'),array('rows'=>5,'cols'=>50));
$qualification_input[] = FormValidator :: createElement('text','qualification');
$form_folder -> addGroup($qualification_input,'qualification',get_lang('QualificationNumberOver'),'size="10"');
$there_is_a_end_date =false;
if($row['view_properties']=='1') {
if($homework['expires_on']!='0000-00-00 00:00:00'){
$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') {
$there_is_a_end_date = true;
$form_folder -> addGroup(create_group_date_select(),'ends',get_lang('EndsAt'));
}
$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=" return plus();" ><span id="plus">&nbsp;<img src="../img/nolines_plus.gif" alt="" />&nbsp;'.get_lang('AdvancedParameters').'</span></a>
</div>
</div> ');
$form_folder -> addElement('html','<div id="options" style="display: none;">');
if(empty($default)) {
$default = date('Y-m-d 12:00:00');
}
$parts = split(' ',$default);
list($d_year,$d_month,$d_day) = split('-',$parts[0]);
list($d_hour,$d_minute) = split(':',$parts[1]);
if($homework['expires_on']='0000-00-00 00:00:00') {
$homework['expires_on']=date("Y-m-d H:i:s");
$there_is_a_expire_date = true;
$form_folder -> addElement('checkbox', 'enableExpiryDate',null,get_lang('EnableExpiryDate'),'onclick="javascript:if(this.checked==true){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']=date("Y-m-d H:i:s");
$there_is_a_end_date = true;
$form_folder -> addElement('checkbox', 'enableEndDate', null, get_lang('EnableEndDate'),'onclick="javascript:if(this.checked==true){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>');
}
$form_folder -> addElement('submit','submit_edit_dir',get_lang('Ok'));
if($there_is_a_end_date == true) {
$defaults = array_merge($defaults,convert_date_to_array($homework['ends_on'],'ends'));
}
if($there_is_a_expire_date == true) {
$defaults = array_merge($defaults,convert_date_to_array($homework['expires_on'],'expires'));
}
if(!empty($row['qualification'])) {
$defaults = array_merge($defaults,array('qualification[qualification]'=>$row['qualification']));
}
$form_folder -> setDefaults($defaults);
$display_edit_form=true;
if($form_folder -> validate()) {
$TABLEAGENDA = Database::get_course_table(TABLE_AGENDA);
if($there_is_a_end_date == true || $there_is_a_expire_date == true) {
if($row['view_properties']=='1') {
$sql_add_publication = "UPDATE ".$work_table." SET has_properties = '".$row['has_properties']. "', view_properties=1 where id ='".$row['id']."'";
api_sql_query($sql_add_publication, __FILE__, __LINE__);
$expires_query= ' SET expires_on = '."'".(($there_is_a_expire_date == true)?get_date_from_group('expires'):'0000-00-00 00:00:00')."'".',';
$ends_query = ' ends_on = '."'".(($there_is_a_end_date == true) ? get_date_from_group('ends') : '0000-00-00 00:00:00')."'";
api_sql_query('UPDATE '.$work_assigment.$expires_query.$ends_query.' WHERE id = '."'".$row['has_properties']."'",__FILE__,__LINE__);
} else if($row['view_properties']=='0') {
if ($_POST['enableExpiryDate']=='1') {
$expires_query= ' SET expires_on = '."'".(($there_is_a_expire_date == true)?get_date_from_group('expires'):'0000-00-00 00:00:00')."'";
//$ends_query = ' ends_on = '."'".(($there_is_a_end_date == true) ? get_date_from_group('ends') : '0000-00-00 00:00:00')."'";
api_sql_query('UPDATE '.$work_assigment.$expires_query.' WHERE id = '."'".$row['has_properties']."'",__FILE__,__LINE__);
$sql_add_publication = "UPDATE ".$work_table." SET has_properties = '".$row['has_properties']. "', view_properties=1 where id ='".$row['id']."'";
api_sql_query($sql_add_publication, __FILE__, __LINE__);
}
if ($_POST['enableEndDate']=='1') {
//$expires_query= ' SET expires_on = '."'".(($there_is_a_expire_date == true)?get_date_from_group('expires'):'0000-00-00 00:00:00')."'".',';
$ends_query = ' SET ends_on = '."'".(($there_is_a_end_date == true) ? get_date_from_group('ends') : '0000-00-00 00:00:00')."'";
api_sql_query('UPDATE '.$work_assigment.$ends_query.' WHERE id = '."'".$row['has_properties']."'",__FILE__,__LINE__);
$sql_add_publication = "UPDATE ".$work_table." SET has_properties = '".$row['has_properties']. "', view_properties=1 where id ='".$row['id']."'";
api_sql_query($sql_add_publication, __FILE__, __LINE__);
}
}
}
//if($_POST['qualification']['qualification']!='')
api_sql_query('UPDATE '.$work_table.' SET description = '."'".Database::escape_string($_POST['description'])."'".', qualification = '."'".Database::escape_string($_POST['qualification']['qualification'])."'".' WHERE id = '."'".$row['id']."'",__FILE__,__LINE__);
//api_sql_query('UPDATE '.Database :: get_main_table(TABLE_MAIN_GRADEBOOK_LINK).' SET weight = '."'".Database::escape_string($_POST['qualification']['qualification'])."'".' WHERE course_code = '."'".api_get_course_id()."'".' AND ref_id = '."'".$row['id']."'".'',__FILE__,__LINE__);
$values = $form_folder -> exportValues();
$values = $values['my_group'];
$dir_name = disable_dangerous_file($values['dir_name']);
$dir_name = replace_accents($values['dir_name']);
$dir_name = replace_dangerous_char($values['dir_name']);
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']."'";
$res = api_sql_query($sql,__FILE__,__LINE__);
$calendar_id = Database::fetch_row($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='".$calendar_id[0]."'";
api_sql_query($sql,__FILE__,__LINE__);
}
}
}
}
$action = '';
$row = array();
$class = '';
$row[] = '<img src="../img/folder_document.gif" border="0" hspace="5" align="middle" alt="'.get_lang('Folder').'" title="'.get_lang('Folder').'" />'; //image
//$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'";
$res = api_sql_query($sql,__FILE__,__LINE__);
$admin_course = '';
while($row_admin = Database::fetch_row($res)) {
$admin_course .='\''.$row_admin[0].'\',';
}
$sql_document = "SELECT count(*) FROM $work_table s, $iprop_table p WHERE s.id = p.ref AND p.tool='work' AND lastedit_user_id IN(".$admin_course.'\''.api_get_user_id().'\''.") AND s.accepted='1' AND url NOT LIKE '".$sub_course_dir.$dir."/%/%' AND url LIKE '".$sub_course_dir.$dir."/%'";
}
//count documents
$res_document = api_sql_query($sql_document,__FILE__,__LINE__);
$count_document = Database::fetch_row($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."/%'";
$res_directory = api_sql_query($sql_directory,__FILE__,__LINE__);
$count_directory = Database::fetch_row($res_directory);
$cant_dir = $count_directory[0];
$text_file=get_lang('FilesUpload');
$text_dir=get_lang('Directories');
if ($cant_files==1) {
$text_file=strtolower(get_lang('FileUpload'));
}
if ($cant_dir==1) {
$text_dir=get_lang('directory');
}
if ($cant_dir!=0) {
$dirtext=' ('.$cant_dir.' '.$text_dir.')';
} else {
$dirtext='';
}
if (!empty($display_edit_form) && isset($clean_edit_dir) && $clean_edit_dir==$mydir) {
$row[] = '<span class="invisible" style="display:none">'.$dir.'</span>'.$form_folder->toHtml(); // form to edit the directory's name
} else {
$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."'";
$result=api_sql_query($sql, __FILE__, __LINE__);
$count = Database::num_rows($result);
if($count>0) {
$add_to_name = ' / <span style="color:blue">'.get_lang('Assignment').'</span>';
} else {
$add_to_name = '';
}
$show_as_icon = get_work_id($mydir); //true or false
if ($show_as_icon) {
$row[] = '<a href="'.api_get_self().'?cidReq='.api_get_course_id().'&action=downloadfolder&path=/'.$mydir.'"><img src="../img/zip_save.gif" style="float:right;" alt="'.get_lang('Save').'" title="'.get_lang('Save').'" width="17" height="17"/></a><a href="'.api_get_self().'?'.api_get_cidreq().'&origin='.$origin.'&gradebook='.$_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.'&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') {
$my_direc_date = ucfirst(format_locale_date($dateFormatShort,strtotime($direc_date))).'&nbsp;&nbsp;&nbsp;&nbsp;';
$my_direc_date .= ucfirst(strftime($timeNoSecFormat,strtotime($direc_date)));
$row[]= date_to_str_ago($direc_date).'<br><span class="dropbox_date">'.$my_direc_date.'</span>';
} else {
$row[]='';
}
if( $is_allowed_to_edit) {
$action .= '<a href="'.api_get_self().'?cidReq='.api_get_course_id().
'&curdirpath='.$my_sub_dir.'&origin='.$origin.'&gradebook='.$_GET['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.'&delete_dir='.$mydir.'&delete2='.$id2.'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset))."'".')) return false;" title="'.get_lang('DirDelete').'" ><img src="'.api_get_path(WEB_IMG_PATH).'delete.gif" alt="'.get_lang('DirDelete').'" title="'.get_lang('DirDelete').'"></a>';
$row[] = $action;
} else {
$row[] = "";
}
$table_data[] = $row;
}
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;
$author_qry = api_sql_query($author_sql,__FILE__,__LINE__);
$row2=Database::fetch_array($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>';
} else {
$qualification_string = ' / <b style="color:blue">'.get_lang('Qualification').': '.$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>';
}
endif;
$url = implode("/", array_map("rawurlencode", explode("/", $work->url)));
//$full_file_name = 'download.php?file='.$realname;
$row[]= build_document_icon_tag('file',$work->url);
$row[]= '<a href="download.php?file='.$url.'"'.$class.'><img src="../img/filesave.gif" style="float:right;" alt="'.get_lang('Save').'" title="'.get_lang('Save').'" />'.$work->title.'</a><br />'.$work->description;
$row[]= display_user_link($row2['insert_user_id'],$work->author).$qualification_string;// $work->author;
$sent_date = ucfirst(format_locale_date($dateFormatShort,strtotime($work->sent_date))).'&nbsp;&nbsp;&nbsp;&nbsp;';
$sent_date .= ucfirst(strftime($timeNoSecFormat,strtotime($work->sent_date)));
$row[]= date_to_str_ago($work->sent_date).$add_string.'<br><span class="dropbox_date">'.$sent_date.'</span>';
if( $is_allowed_to_edit) {
$action = '';
$action .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.urlencode($my_sub_dir).'&amp;origin='.$origin.'&amp;edit='.$work->id.'&gradebook='.$_GET['gradebook'].'&amp;parent_id='.$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='.$origin.'&amp;delete='.$work->id.'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset))."'".')) return false;" title="'.get_lang('WorkDelete').'" ><img src="../img/delete.gif" alt="'.get_lang('WorkDelete').'" title="'.get_lang('WorkDelete').'"></a>';
$action .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.urlencode($my_sub_dir).'&amp;origin='.$origin.'&amp;move='.$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='.$origin.'&amp;make_invisible='.$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='.$origin.'&amp;make_visible='.$work->id.'&amp;'.$sort_params.'" title="'.get_lang('Visible').'" ><img src="../img/invisible.gif" alt="'.get_lang('Visible').'" title="'.get_lang('Visible').'"></a>';
}
$row[] = $action;
} elseif($is_author) {
$action = '';
$action .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&curdirpath='.urlencode($my_sub_dir).'&gradebook='.$_GET['gradebook'].'&amp;origin='.$origin.'&amp;edit='.$work->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='.$origin.'&amp;delete='.$work->id.'" onclick="javascript:if(!confirm('."'".addslashes(htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset))."'".')) return false;" title="'.get_lang('WorkDelete').'" ><img src="../img/delete.gif" alt="'.get_lang('WorkDelete').'" title="'.get_lang('WorkDelete').'" ></a>';
$row[] = $action;
} else {
$row[] = " ";
}
$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']));
}
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)) {
$entry = replace_accents($entry);
$entry = disable_dangerous_file($entry);
$entry = replace_dangerous_char($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 $group_dir
* @return string html form
*/
function build_work_directory_selector($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
$tbl_work = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
$sql = "SELECT title FROM $tbl_work WHERE id ='".(int)$move_file."'";
$result = api_sql_query($sql,__FILE__,__LINE__);
$title = Database::fetch_row($result);
$form = '<form name="move_to" action="'.api_get_self().'" method="POST">'."\n";
$form .= '<input type="hidden" name="move_file" value="'.$move_file.'" />'."\n";
$form .= sprintf(get_lang('MoveXTo'),$title[0]).' <select name="move_to">'."\n";
//group documents cannot be uploaded in the root
if($group_dir=='') {
if($curdirpath!='/') {
$form .= '<option value="/">/ ('.get_lang('Root').')</option>';
}
if (is_array($folders)) {
foreach ($folders as $folder) {
//you cannot move a file to:
//1. current directory
//2. inside the folder you want to move
//3. inside a subfolder of the folder you want to move
if(($curdirpath!=$folder) && ($folder!=$move_file) && (substr($folder,0,strlen($move_file)+1) != $move_file.'/')) {
$form .= '<option value="'.$folder.'">'.$folder.'</option>'."\n";
}
}
}
} else {
if ($curdirpath!='/') {
$form .= '<option value="/">/ ('.get_lang('Root').')</option>';
}
foreach ($folders as $folder) {
if (($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;
$form .= '<option value="'.$folder.'">'.$display_folder.'</option>'."\n";
}
}
}
$form .= '</select>'."\n";
$form .= '<input type="submit" name="move_file_submit" value="'.get_lang('Ok').'" />'."\n";
$form .= '</form>';
return $form;
}
/**
* Checks if the first given directory exists as a subdir of the second given directory
* This function should now be deprecated by Security::check_abs_path()
* @param string Subdir
* @param string Base dir
* @return integer -1 on error, 0 if not subdir, 1 if subdir
*/
function is_subdir_of($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);
}
if(is_dir($basedir.$subdir)) {
return 1;
} else {
return 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) ) {
$nb += 1;
}
//echo "creating ".$base_work_dir.$desired_dir_name.$nb."#...";
$perm = api_get_setting('permissions_for_new_directories');
$perm = octdec(!empty($perm)?$perm:'0770');
if ( mkdir($base_work_dir.$desired_dir_name.$nb, $perm)) {
chmod($base_work_dir.$desired_dir_name.$nb, $perm);
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,$id)
{
if(empty($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."/%'";
$res = api_sql_query($sql,__FILE__,__LINE__);
//delete from DB the directories
$sql = "DELETE FROM $table WHERE filetype = 'folder' AND url LIKE BINARY '/".$dir."%'";
$res = api_sql_query($sql,__FILE__,__LINE__);
require_once(api_get_path(LIBRARY_PATH).'/fileManage.lib.php');
//my_delete($base_work_dir.$dir);
$new_dir= $dir.'_DELETED_'.$id;
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 * FROM $table WHERE id=$id";
$res = api_sql_query($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,$new_path)
{
if(empty($id)) return -1;
$table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);
$sql = "SELECT * FROM $table WHERE id=$id";
$res = api_sql_query($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' WHERE id=$id";
$res2 = api_sql_query($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)
{
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 .= '/';
}
$new_name=replace_accents($new_name);
$new_name=disable_dangerous_file($new_name);
$new_name=replace_dangerous_char($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)
$rs = api_sql_query($sql, __FILE__, __LINE__);
$work_len=strlen('work/'.$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'];
api_sql_query($sql, __FILE__, __LINE__);
}
//update all the directory's children according with the next query
$sql = 'SELECT id, url FROM '.$table.' WHERE url LIKE BINARY "/'.$path.'%"';
$rs = api_sql_query($sql, __FILE__, __LINE__);
$work_len=strlen('/'.$path);
while($work = Database :: fetch_array($rs)) {
$new_dir=$work['url'];
$name_with_directory=substr($new_dir,$work_len,strlen($new_dir));
$sql = 'UPDATE '.$table.' SET url="/'.$path_to_dir.$new_name.$name_with_directory.'" WHERE id= '.$work['id'];
api_sql_query($sql, __FILE__, __LINE__);
}
}
/**
* Return an array with all the folder's ids that are in the given path
* @param string Path of the directory
* @return array The list of ids of all the directories in the path
* @author Julio Montoya Dokeos
* @version April 2008
*/
function get_parent_directories($my_cur_dir_path)
{
$list_parents = explode('/', $my_cur_dir_path);
$dir_acum = '';
global $work_table;
$list_id=array();
for ($i = 0; $i < count($list_parents) - 1; $i++) {
$where_sentence = "url LIKE BINARY '" . $dir_acum . "/" . $list_parents[$i]."'";
$dir_acum .= '/' . $list_parents[$i];
$sql = "SELECT id FROM ". $work_table . " WHERE ". $where_sentence;
$result = api_sql_query($sql, __FILE__, __LINE__);
$row= Database::fetch_array($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 = '".$_GET['toolgroup']."',
sent_date = '0000-00-00 00:00:00' ";
api_sql_query($sql_insert_all, __FILE__, __LINE__);
}
}
/**
* 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;<img src="../img/nolines_minus.gif" alt="" />&nbsp;'.get_lang('AdvancedParameters').'\';
} else {
document.getElementById(\'options\').style.display = \'none\';
document.getElementById(\'plus\').innerHTML=\'&nbsp;<img src="../img/nolines_plus.gif" alt="" />&nbsp;'.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==true && document.form1.type2.checked==true && 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) == false)
{
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) == false)
{
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 == true)
{
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='.Security::remove_XSS($_REQUEST['origin']).'";
document.form1.submit();
}
}
</script>';
}
/**
* Gets the id of a student publication with a given path
* @param string $path
* @return true if is found / false if not found
*/
function get_work_id($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 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 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()."'";
}
$result = api_sql_query($sql, __FILE__, __LINE__);
$num_rows = Database::num_rows($result);
if ($result && $num_rows > 0) {
return true;
} else {
return false;
}
}