* @package chamilo.admin
*/
/**
* Validates imported data.
*
* @param array $courses
* @return array $errors
*/
function validate_courses_data($courses)
{
$errors = array();
$coursecodes = array();
foreach ($courses as $index => $course) {
$course['line'] = $index + 1;
// 1. Check whether mandatory fields are set.
$mandatory_fields = array('Code', 'Title', 'CourseCategory');
foreach ($mandatory_fields as $field) {
if (empty($course[$field])) {
$course['error'] = get_lang($field.'Mandatory');
$errors[] = $course;
}
}
// 2. Check current course code.
if (!empty($course['Code'])) {
// 2.1 Check whether code has been already used by this CVS-file.
if (isset($coursecodes[$course['Code']])) {
$course['error'] = get_lang('CodeTwiceInFile');
$errors[] = $course;
} else {
// 2.2 Check whether course code has been occupied.
$courseInfo = api_get_course_info($course['Code']);
if (!empty($courseInfo)) {
$course['error'] = get_lang('CodeExists');
$errors[] = $course;
}
}
$coursecodes[$course['Code']] = 1;
}
// 3. Check whether teacher exists.
$teacherList = getTeacherListInArray($course['Teacher']);
if (!empty($teacherList)) {
foreach ($teacherList as $teacher) {
$teacherInfo = api_get_user_info_from_username($teacher);
if (empty($teacherInfo)) {
$course['error'] = get_lang('UnknownTeacher').' ('.$teacher.')';
$errors[] = $course;
}
}
}
if (!empty($course['CourseCategory'])) {
$categoryInfo = CourseCategory::getCategory($course['CourseCategory']);
if (empty($categoryInfo)) {
CourseCategory::addNode($course['CourseCategory'], $course['CourseCategoryName'] ? $course['CourseCategoryName'] : $course['CourseCategory'], 'TRUE', null);
}
} else {
$course['error'] = get_lang('NoCourseCategorySupplied');
$errors[] = $course;
}
}
return $errors;
}
/**
* Get the teacher list
*
* @param array $teachers
* @return array
*/
function getTeacherListInArray($teachers)
{
if (!empty($teachers)) {
return explode('|', $teachers);
}
return array();
}
/**
* Saves imported data.
* @param array $courses List of courses
*/
function save_courses_data($courses)
{
$msg = '';
foreach ($courses as $course) {
$course_language = $course['Language'];
$teachers = getTeacherListInArray($course['Teacher']);
$teacherList = array();
$creatorId = api_get_user_id();
if (!empty($teachers)) {
foreach ($teachers as $teacher) {
$teacherInfo = api_get_user_info_from_username($teacher);
if (!empty($teacherInfo)) {
$teacherList[] = $teacherInfo;
}
}
}
$params = array();
$params['title'] = $course['Title'];
$params['wanted_code'] = $course['Code'];
$params['tutor_name'] = null;
$params['course_category'] = $course['CourseCategory'];
$params['course_language'] = $course_language;
$params['user_id'] = $creatorId;
$addMeAsTeacher = isset($_POST['add_me_as_teacher']) ? $_POST['add_me_as_teacher'] : false;
$params['add_user_as_teacher'] = $addMeAsTeacher;
$courseInfo = CourseManager::create_course($params);
if (!empty($courseInfo)) {
if (!empty($teacherList)) {
foreach ($teacherList as $teacher) {
CourseManager::add_user_to_course(
$teacher['user_id'],
$courseInfo['code'],
COURSEMANAGER
);
}
}
$msg .= '
'.$courseInfo['title'].' '.get_lang('Created').'
';
}
}
if (!empty($msg)) {
echo Display::return_message($msg, 'normal', false);
}
}
/**
* Read the CSV-file
* @param string $file Path to the CSV-file
* @return array All course-information read from the file
*/
function parse_csv_courses_data($file)
{
$courses = Import::csv_reader($file);
return $courses;
}
$cidReset = true;
require_once __DIR__.'/../inc/global.inc.php';
$this_section = SECTION_PLATFORM_ADMIN;
api_protect_admin_script();
$defined_auth_sources[] = PLATFORM_AUTH_SOURCE;
if (isset($extAuthSource) && is_array($extAuthSource)) {
$defined_auth_sources = array_merge($defined_auth_sources, array_keys($extAuthSource));
}
$tool_name = get_lang('ImportCourses').' CSV';
$interbreadcrumb[] = array('url' => 'index.php', 'name' => get_lang('PlatformAdmin'));
set_time_limit(0);
Display::display_header($tool_name);
if (isset($_POST['formSent']) && $_POST['formSent']) {
if (empty($_FILES['import_file']['tmp_name'])) {
$error_message = get_lang('UplUploadFailed');
echo Display::return_message($error_message, 'error', false);
} else {
$allowed_file_mimetype = array('csv');
$ext_import_file = substr($_FILES['import_file']['name'], (strrpos($_FILES['import_file']['name'], '.') + 1));
if (!in_array($ext_import_file, $allowed_file_mimetype)) {
echo Display::return_message(get_lang('YouMustImportAFileAccordingToSelectedOption'), 'error');
} else {
$courses = parse_csv_courses_data($_FILES['import_file']['tmp_name']);
$errors = validate_courses_data($courses);
if (count($errors) == 0) {
save_courses_data($courses);
}
}
}
}
if (isset($errors) && count($errors) != 0) {
$error_message = '';
foreach ($errors as $index => $error_course) {
$error_message .= '- '.get_lang('Line').' '.$error_course['line'].': '.$error_course['error'].': ';
$error_message .= get_lang('Course').': '.$error_course['Title'].' ('.$error_course['Code'].')';
$error_message .= '
';
}
$error_message .= '
';
echo Display::return_message($error_message, 'error', false);
}
$form = new FormValidator('import', 'post', api_get_self(), null, array('enctype' => 'multipart/form-data'));
$form->addHeader($tool_name);
$form->addElement('file', 'import_file', get_lang('ImportCSVFileLocation'));
$form->addElement('checkbox', 'add_me_as_teacher', null, get_lang('AddMeAsTeacherInCourses'));
$form->addButtonImport(get_lang('Import'), 'save');
$form->addElement('hidden', 'formSent', 1);
$form->display();
?>
:
Code;Title;CourseCategory;CourseCategoryName;Teacher;Language
BIO0015;Biology;BIO;Science;teacher1;english
BIO0016;Maths;MATH;Engineerng;teacher2|teacher3;english
BIO0017;Language;LANG;;;english