<?php // $Id: course_list.php 18647 2009-02-24 02:29:20Z yannoo $
/* For licensing terms, see /dokeos_license.txt */
/**
* This script shows a list of courses and allows searching for courses codes
* and names
* @package dokeos.admin
*/
/*
==============================================================================
INIT SECTION
==============================================================================
*/
// name of the language file that needs to be included
$language_file = 'admin';
$cidReset = true;
require ('../inc/global.inc.php');
$this_section = SECTION_PLATFORM_ADMIN;
api_protect_admin_script();
require_once (api_get_path(LIBRARY_PATH).'course.lib.php');
require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
require_once (api_get_path(LIBRARY_PATH).'sortabletable.class.php');
require_once '../gradebook/lib/be/gradebookitem.class.php';
require_once '../gradebook/lib/be/category.class.php';
/**
* Get the number of courses which will be displayed
*/
function get_number_of_courses()
{
$course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
$sql = "SELECT COUNT(code) AS total_number_of_items FROM $course_table";
global $_configuration;
if ((api_is_platform_admin() || api_is_session_admin()) & & $_configuration['multiple_access_urls']==true & & api_get_current_access_url_id()!=-1) {
$access_url_rel_course_table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$sql.= " INNER JOIN $access_url_rel_course_table url_rel_course ON (code=url_rel_course.course_code)";
}
if (isset ($_GET['keyword']))
{
$keyword = Database::escape_string($_GET['keyword']);
$sql .= " WHERE title LIKE '%".$keyword."%' OR code LIKE '%".$keyword."%' OR visual_code LIKE '%".$keyword."%'";
}
elseif (isset ($_GET['keyword_code']))
{
$keyword_code = Database::escape_string($_GET['keyword_code']);
$keyword_title = Database::escape_string($_GET['keyword_title']);
$keyword_category = Database::escape_string($_GET['keyword_category']);
$keyword_language = Database::escape_string($_GET['keyword_language']);
$keyword_visibility = Database::escape_string($_GET['keyword_visibility']);
$keyword_subscribe = Database::escape_string($_GET['keyword_subscribe']);
$keyword_unsubscribe = Database::escape_string($_GET['keyword_unsubscribe']);
$sql .= " WHERE (code LIKE '%".$keyword_code."%' OR visual_code LIKE '%".$keyword_code."%') AND title LIKE '%".$keyword_title."%' AND category_code LIKE '%".$keyword_category."%' AND course_language LIKE '%".$keyword_language."%' AND visibility LIKE '%".$keyword_visibility."%' AND subscribe LIKE '".$keyword_subscribe."'AND unsubscribe LIKE '".$keyword_unsubscribe."'";
}
// adding the filter to see the user's only of the current access_url
if ((api_is_platform_admin() || api_is_session_admin()) & & $_configuration['multiple_access_urls']==true & & api_get_current_access_url_id()!=-1) {
$sql.= " AND url_rel_course.access_url_id=".api_get_current_access_url_id();
}
$res = api_sql_query($sql, __FILE__, __LINE__);
$obj = Database::fetch_object($res);
return $obj->total_number_of_items;
}
/**
* Get course data to display
*/
function get_course_data($from, $number_of_items, $column, $direction)
{
$course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
$users_table = Database :: get_main_table(TABLE_MAIN_USER);
$course_users_table = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
$sql = "SELECT code AS col0, visual_code AS col1, title AS col2, course_language AS col3, category_code AS col4, subscribe AS col5, unsubscribe AS col6, code AS col7, tutor_name as col8, code AS col9, visibility AS col10 FROM $course_table";
global $_configuration;
if ((api_is_platform_admin() || api_is_session_admin()) & & $_configuration['multiple_access_urls']==true & & api_get_current_access_url_id()!=-1) {
$access_url_rel_course_table = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
$sql.= " INNER JOIN $access_url_rel_course_table url_rel_course ON (code=url_rel_course.course_code)";
}
if (isset ($_GET['keyword']))
{
$keyword = Database::escape_string($_GET['keyword']);
$sql .= " WHERE title LIKE '%".$keyword."%' OR code LIKE '%".$keyword."%' OR visual_code LIKE '%".$keyword."%'";
}
elseif (isset ($_GET['keyword_code']))
{
$keyword_code = Database::escape_string($_GET['keyword_code']);
$keyword_title = Database::escape_string($_GET['keyword_title']);
$keyword_category = Database::escape_string($_GET['keyword_category']);
$keyword_language = Database::escape_string($_GET['keyword_language']);
$keyword_visibility = Database::escape_string($_GET['keyword_visibility']);
$keyword_subscribe = Database::escape_string($_GET['keyword_subscribe']);
$keyword_unsubscribe = Database::escape_string($_GET['keyword_unsubscribe']);
$sql .= " WHERE (code LIKE '%".$keyword_code."%' OR visual_code LIKE '%".$keyword_code."%') AND title LIKE '%".$keyword_title."%' AND category_code LIKE '%".$keyword_category."%' AND course_language LIKE '%".$keyword_language."%' AND visibility LIKE '%".$keyword_visibility."%' AND subscribe LIKE '".$keyword_subscribe."'AND unsubscribe LIKE '".$keyword_unsubscribe."'";
}
// adding the filter to see the user's only of the current access_url
if ((api_is_platform_admin() || api_is_session_admin()) & & $_configuration['multiple_access_urls']==true & & api_get_current_access_url_id()!=-1) {
$sql.= " AND url_rel_course.access_url_id=".api_get_current_access_url_id();
}
$sql .= " ORDER BY col$column $direction ";
$sql .= " LIMIT $from,$number_of_items";
$res = api_sql_query($sql, __FILE__, __LINE__);
$courses = array ();
while ($course = Database::fetch_row($res))
{
//place colour icons in front of courses
//$course[1] = get_course_visibility_icon($course[10]).'< a href = "../course_home/course_home.php?cidReq='.$course[0].'" > '.$course[1].'< / a > '; // This is not the preferable way to go to the homepage.
$course[1] = get_course_visibility_icon($course[10]).'< a href = "'.api_get_path(WEB_COURSE_PATH).$course[0].'/index.php" > '.$course[1].'< / a > ';
$course[5] = $course[5] == SUBSCRIBE_ALLOWED ? get_lang('Yes') : get_lang('No');
$course[6] = $course[6] == UNSUBSCRIBE_ALLOWED ? get_lang('Yes') : get_lang('No');
$course[7] = CourseManager :: is_virtual_course_from_system_code($course[7]) ? get_lang('Yes') : get_lang('No');
$course_rem = array($course[0],$course[1],$course[2],$course[3],$course[4],$course[5],$course[6],$course[7],$course[8],$course[9]);
$courses[] = $course_rem;
}
return $courses;
}
/**
* Filter to display the edit-buttons
*/
function modify_filter($code)
{
global $charset;
return
'< a href = "course_information.php?code='.$code.'" > '.Display::return_icon('synthese_view.gif', get_lang('Info')).'< / a > '.
//'< a href = "../course_home/course_home.php?cidReq='.$code.'" > '.Display::return_icon('course_home.gif', get_lang('CourseHomepage')).'< / a > '. // This is not the preferable way to go to the homepage.
'< a href = "'.api_get_path(WEB_COURSE_PATH).$code.'/index.php" > '.Display::return_icon('course_home.gif', get_lang('CourseHomepage')).'< / a > '.
'< a href = "../tracking/courseLog.php?cidReq='.$code.'" > '.Display::return_icon('statistics.gif', get_lang('Tracking')).'< / a > '.
'< a href = "course_edit.php?course_code='.$code.'" > '.Display::return_icon('edit.gif', get_lang('Edit')).'< / a > '.
'< a href = "course_list.php?delete_course='.$code.'" onclick = "javascript:if(!confirm('." ' " . addslashes ( htmlentities ( get_lang ( " ConfirmYourChoice " ) , ENT_QUOTES , $ charset ) ) . " ' " . ' ) ) return false ; " > '.Display::return_icon('delete.gif', get_lang('Delete')).'< / a > ';
}
/**
* Return an icon representing the visibility of the course
*/
function get_course_visibility_icon($v)
{
$path = api_get_path(REL_CODE_PATH);
$style = 'margin-bottom:-5px;margin-right:5px;';
switch($v)
{
case 0:
return Display::return_icon('bullet_red.gif', get_lang('CourseVisibilityClosed'), array('style'=>$style));
break;
case 1:
return Display::return_icon('bullet_orange.gif', get_lang('Private'), array('style'=>$style));
break;
case 2:
return Display::return_icon('bullet_green.gif', get_lang('OpenToThePlatform'), array('style'=>$style));
break;
case 3:
return Display::return_icon('bullet_blue.gif', get_lang('OpenToTheWorld'), array('style'=>$style));
break;
default:
return '';
}
}
if (isset ($_POST['action']))
{
switch ($_POST['action'])
{
// Delete selected courses
case 'delete_courses' :
$course_codes = $_POST['course'];
if (count($course_codes) > 0)
{
foreach ($course_codes as $index => $course_code)
{
CourseManager :: delete_course($course_code);
$obj_cat=new Category();
$obj_cat->update_category_delete($course_code);
}
}
break;
}
}
if (isset ($_GET['search']) & & $_GET['search'] == 'advanced')
{
// Get all course categories
$table_course_category = Database :: get_main_table(TABLE_MAIN_CATEGORY);
$interbreadcrumb[] = array ("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
$interbreadcrumb[] = array ("url" => 'course_list.php', "name" => get_lang('CourseList'));
$tool_name = get_lang('SearchACourse');
Display :: display_header($tool_name);
//api_display_tool_title($tool_name);
$form = new FormValidator('advanced_course_search', 'get');
$form->add_textfield('keyword_code', get_lang('CourseCode'), false);
$form->add_textfield('keyword_title', get_lang('Title'), false);
$categories = array();
$categories_select = $form->addElement('select', 'keyword_category', get_lang('CourseFaculty'), $categories);
CourseManager::select_and_sort_categories($categories_select);
$el = & $form->addElement('select_language', 'keyword_language', get_lang('CourseLanguage'));
$el->addOption(get_lang('All'), '%');
$form->addElement('radio', 'keyword_visibility', get_lang("CourseAccess"), get_lang('OpenToTheWorld'), COURSE_VISIBILITY_OPEN_WORLD);
$form->addElement('radio', 'keyword_visibility', null, get_lang('OpenToThePlatform'), COURSE_VISIBILITY_OPEN_PLATFORM);
$form->addElement('radio', 'keyword_visibility', null, get_lang('Private'), COURSE_VISIBILITY_REGISTERED);
$form->addElement('radio', 'keyword_visibility', null, get_lang('CourseVisibilityClosed'), COURSE_VISIBILITY_CLOSED);
$form->addElement('radio', 'keyword_visibility', null, get_lang('All'), '%');
$form->addElement('radio', 'keyword_subscribe', get_lang('Subscription'), get_lang('Allowed'), 1);
$form->addElement('radio', 'keyword_subscribe', null, get_lang('Denied'), 0);
$form->addElement('radio', 'keyword_subscribe', null, get_lang('All'), '%');
$form->addElement('radio', 'keyword_unsubscribe', get_lang('Unsubscription'), get_lang('AllowedToUnsubscribe'), 1);
$form->addElement('radio', 'keyword_unsubscribe', null, get_lang('NotAllowedToUnsubscribe'), 0);
$form->addElement('radio', 'keyword_unsubscribe', null, get_lang('All'), '%');
$form->addElement('submit', 'submit', get_lang('Ok'));
$defaults['keyword_language'] = '%';
$defaults['keyword_visibility'] = '%';
$defaults['keyword_subscribe'] = '%';
$defaults['keyword_unsubscribe'] = '%';
$form->setDefaults($defaults);
$form->display();
}
else
{
$interbreadcrumb[] = array ("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
$tool_name = get_lang('CourseList');
Display :: display_header($tool_name);
if (isset($_GET['action'])) {
switch ($_GET['action']) {
case 'show_msg':
if (!empty($_GET['warn'])) {
Display::display_warning_message(urldecode($_GET['warn']));
}
if (!empty($_GET['msg'])) {
Display::display_normal_message(urldecode($_GET['msg']));
}
break;
default:
break;
}
}
//api_display_tool_title($tool_name);
if (isset ($_GET['delete_course']))
{
CourseManager :: delete_course($_GET['delete_course']);
$obj_cat=new Category();
$obj_cat->update_category_delete($_GET['delete_course']);
}
// Create a search-box
$form = new FormValidator('search_simple','get','','','width=200px',false);
$renderer =& $form->defaultRenderer();
$renderer->setElementTemplate('< span > {element}< / span > ');
$form->addElement('text','keyword',get_lang('keyword'));
$form->addElement('submit','submit',get_lang('Search'));
$form->addElement('static','search_advanced_link',null,'< a href = "course_list.php?search=advanced" > '.get_lang('AdvancedSearch').'< / a > ');
echo '< div style = "float:right;" >
< a href = "'.api_get_path(WEB_CODE_PATH).'admin/course_add.php" > '.Display::return_icon('view_more_stats.gif',get_lang('AddSession')).get_lang('AddCourse').'< / a >
< / div > ';
echo '< div class = "actions" > ';
$form->display();
echo '< / div > ';
// Create a sortable table with the course data
$table = new SortableTable('courses', 'get_number_of_courses', 'get_course_data',2);
$parameters=array();
$table->set_additional_parameters($parameters);
$table->set_header(0, '', false);
$table->set_header(1, get_lang('Code'));
$table->set_header(2, get_lang('Title'));
$table->set_header(3, get_lang('Language'));
$table->set_header(4, get_lang('Category'));
$table->set_header(5, get_lang('SubscriptionAllowed'));
$table->set_header(6, get_lang('UnsubscriptionAllowed'));
$table->set_header(7, get_lang('IsVirtualCourse'));
$table->set_header(8, get_lang('Teacher'));
$table->set_header(9, get_lang('Modify'), false,'width="120px"');
$table->set_column_filter(9,'modify_filter');
$table->set_form_actions(array ('delete_courses' => get_lang('DeleteCourse')),'course');
$table->display();
}
/*
==============================================================================
FOOTER
==============================================================================
*/
Display :: display_footer();
?>
