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

238 lines
8.9 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Responses to AJAX calls
*/
$language_file[] = 'admin';
require_once '../global.inc.php';
$action = $_REQUEST['a'];
$user_id = api_get_user_id();
switch ($action) {
case 'add_course_vote':
$course_id = intval($_REQUEST['course_id']);
$star = intval($_REQUEST['star']);
if (!api_is_anonymous()) {
CourseManager::add_course_vote($user_id, $star, $course_id, 0);
}
$point_info = CourseManager::get_course_ranking($course_id, 0);
$ajax_url = api_get_path(WEB_AJAX_PATH).'course.ajax.php?a=add_course_vote';
$rating = Display::return_rating_system('star_'.$course_id, $ajax_url.'&amp;course_id='.$course_id, $point_info, false);
echo $rating;
break;
case 'get_user_courses':
if (api_is_platform_admin()) {
$user_id = intval($_POST['user_id']);
$list_course_all_info = CourseManager::get_courses_list_by_user_id($user_id, false);
if (!empty($list_course_all_info)) {
foreach ($list_course_all_info as $course_item) {
$course_info = api_get_course_info($course_item['code']);
echo $course_info['title'].'<br />';
}
} else {
echo get_lang('UserHasNoCourse');
}
}
break;
case 'search_category':
require_once api_get_path(LIBRARY_PATH).'course_category.lib.php';
if (api_is_platform_admin() || api_is_allowed_to_create_course()) {
$results = searchCategoryByKeyword($_REQUEST['q']);
if (!empty($results)) {
foreach ($results as &$item) {
$item['id'] = $item['code'];
}
echo json_encode($results);
} else {
echo json_encode(array());
}
}
break;
case 'search_course':
if (api_is_platform_admin()) {
if (!empty($_GET['session_id']) && intval($_GET['session_id'])) {
//if session is defined, lets find only courses of this session
$courseList = SessionManager::get_course_list_by_session_id(
$_GET['session_id'],
$_GET['q']
);
} else {
//if session is not defined lets search all courses STARTING with $_GET['q']
//TODO change this function to search not only courses STARTING with $_GET['q']
$courseList = CourseManager::get_courses_list(
0, //offset
0, //howMany
1, //$orderby = 1
'ASC',
-1, //visibility
$_GET['q'],
null, //$urlId
true //AlsoSearchCode
);
}
$results = array();
require_once api_get_path(LIBRARY_PATH).'course_category.lib.php';
if (!empty($courseList)) {
foreach ($courseList as $courseInfo) {
$title = $courseInfo['title'];
if (!empty($courseInfo['category_code'])) {
$parents = getParentsToString($courseInfo['category_code']);
$title = $parents.$courseInfo['title'];
}
$results[] = array(
'id' => $courseInfo['id'],
'text' => $title
);
}
echo json_encode($results);
} else {
echo json_encode(array());
}
}
break;
case 'search_course_by_session':
if (api_is_platform_admin()) {
$results = SessionManager::get_course_list_by_session_id($_GET['session_id'], $_GET['q']);
//$results = SessionManager::get_sessions_list(array('s.name LIKE' => "%".$_REQUEST['q']."%"));
$results2 = array();
if (!empty($results)) {
foreach ($results as $item) {
$item2 = array();
foreach ($item as $id => $internal) {
if ($id == 'id') {
$item2[$id] = $internal;
}
if ($id == 'title') {
$item2['text'] = $internal;
}
}
$results2[] = $item2;
}
echo json_encode($results2);
} else {
echo json_encode(array());
}
}
break;
case 'search_course_by_session_all':
if (api_is_platform_admin()) {
if ($_GET['session_id'] == 'TODOS' || $_GET['session_id'] == 'T') {
$_GET['session_id'] = '%';
}
$results = SessionManager::get_course_list_by_session_id_like(
$_GET['session_id'],
$_GET['q']
);
$results2 = array();
if (!empty($results)) {
foreach ($results as $item) {
$item2 = array();
foreach ($item as $id => $internal) {
if ($id == 'id') {
$item2[$id] = $internal;
}
if ($id == 'title') {
$item2['text'] = $internal;
}
}
$results2[] = $item2;
}
echo json_encode($results2);
} else {
echo json_encode(array());
}
}
break;
case 'search_user_by_course':
if (api_is_platform_admin()) {
$user = Database :: get_main_table(TABLE_MAIN_USER);
$session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
$course = api_get_course_info_by_id($_GET['course_id']);
$sql = "SELECT u.user_id as id, u.username, u.lastname, u.firstname
FROM $user u
INNER JOIN $session_course_user r ON u.user_id = r.id_user
WHERE id_session = %d AND course_code = '%s'
AND (u.firstname LIKE '%s' OR u.username LIKE '%s' OR u.lastname LIKE '%s')";
$needle = '%' . $_GET['q'] . '%';
$sql_query = sprintf($sql, $_GET['session_id'], $course['code'], $needle, $needle, $needle);
$result = Database::query($sql_query);
while ($user = Database::fetch_assoc($result)) {
$data[] = array('id' => $user['id'], 'text' => $user['username'] . ' (' . $user['firstname'] . ' ' . $user['lastname'] . ')');
}
if (!empty($data)) {
echo json_encode($data);
} else {
echo json_encode(array());
}
}
break;
case 'search_exercise_by_course':
if (api_is_platform_admin()) {
$course = api_get_course_info_by_id($_GET['course_id']);
require_once api_get_path(SYS_CODE_PATH).'exercice/exercise.lib.php';
$session_id = (!empty($_GET['session_id'])) ? intval($_GET['session_id']) : 0 ;
$exercises = get_all_exercises($course, $session_id, false, $_GET['q'], true, 3);
foreach ($exercises as $exercise) {
$data[] = array('id' => $exercise['id'], 'text' => html_entity_decode($exercise['title']) );
}
if (!empty($data)) {
$data[] = array('id' => 'T', 'text' => 'TODOS');
echo json_encode($data);
} else {
echo json_encode(array(array('id' => 'T', 'text' => 'TODOS')));
}
}
break;
case 'search_survey_by_course':
if (api_is_platform_admin()) {
$survey = Database :: get_course_table(TABLE_SURVEY);
$sql = "SELECT survey_id as id, title, anonymous
FROM $survey
WHERE
c_id = %d AND
session_id = %d AND
title LIKE '%s'";
$sql_query = sprintf(
$sql,
intval($_GET['course_id']),
intval($_GET['session_id']),
'%' . Database::escape_string($_GET['q']).'%'
);
$result = Database::query($sql_query);
while ($survey = Database::fetch_assoc($result)) {
$survey['title'] .= ($survey['anonymous'] == 1) ? ' (' . get_lang('Anonymous') . ')' : '';
$data[] = array(
'id' => $survey['id'],
'text' => strip_tags(html_entity_decode($survey['title']))
);
}
if (!empty($data)) {
echo json_encode($data);
} else {
echo json_encode(array());
}
}
break;
default:
echo '';
}
exit;