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229 lines
7.7 KiB
229 lines
7.7 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* This tool allows platform admins to create courses by uploading a CSV file
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* Copyright (c) 2005 Bart Mollet <bart.mollet@hogent.be>
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* @package chamilo.admin
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*/
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/**
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* Validates imported data.
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*/
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function validate_data($courses)
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{
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$errors = array ();
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$coursecodes = array ();
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foreach ($courses as $index => $course) {
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$course['line'] = $index +1;
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// 1. Check whether mandatory fields are set.
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$mandatory_fields = array ('Code', 'Title', 'CourseCategory');
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foreach ($mandatory_fields as $field) {
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if (!isset($course[$field]) || strlen($course[$field]) == 0) {
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$course['error'] = get_lang($field.'Mandatory');
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$errors[] = $course;
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}
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}
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// 2. Check current course code.
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if (isset ($course['Code']) && strlen($course['Code']) != 0) {
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// 2.1 Check whether code has been already used by this CVS-file.
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if (isset($coursecodes[$course['Code']])) {
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$course['error'] = get_lang('CodeTwiceInFile');
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$errors[] = $course;
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} else {
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// 2.2 Check whether course code has been occupied.
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$courseInfo = api_get_course_info($course['Code']);
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if (!empty($courseInfo)) {
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$course['error'] = get_lang('CodeExists');
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$errors[] = $course;
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}
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}
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$coursecodes[$course['Code']] = 1;
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}
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// 3. Check whether teacher exists.
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$teacherList = getTeacherListInArray($course['Teacher']);
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if (!empty($teacherList)) {
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foreach ($teacherList as $teacher) {
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$teacherInfo = api_get_user_info_from_username($teacher);
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if (empty($teacherInfo)) {
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$course['error'] = get_lang('UnknownTeacher').' ('.$teacher.')';
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$errors[] = $course;
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} else {
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if ($teacherInfo['status'] != COURSEMANAGER) {
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$course['error'] = get_lang('UserIsNotATeacher').' ('.$teacher.')';
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$errors[] = $course;
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}
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}
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}
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}
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// 4. Check whether course category exists.
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if (isset($course['CourseCategory']) && strlen($course['CourseCategory']) != 0) {
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require_once api_get_path(LIBRARY_PATH).'course_category.lib.php';
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$categoryInfo = getCategory($course['CourseCategory']);
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if (empty($categoryInfo)) {
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//@todo this is so bad even all lang variables are wrong ...
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$course['error'] = get_lang('UnkownCategoryCourseCode').' ('.$course['CourseCategory'].')';
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$errors[] = $course;
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}
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}
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}
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return $errors;
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}
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function getTeacherListInArray($teachers)
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{
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if (!empty($teachers)) {
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return explode('|', $teachers);
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}
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return array();
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}
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/**
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* Saves imported data.
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* @param array List of courses
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*/
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function save_data($courses)
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{
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$msg = '';
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foreach ($courses as $course) {
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$course_language = api_get_valid_language($course['Language']);
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$teachers = getTeacherListInArray($course['Teacher']);
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$teacherList = array();
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$creatorId = api_get_user_id();
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if (!empty($teachers)) {
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foreach ($teachers as $teacher) {
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$teacherInfo = api_get_user_info_from_username($teacher);
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if (!empty($teacherInfo)) {
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$teacherList[] = $teacherInfo;
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}
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}
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}
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$params = array();
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$params['title'] = $course['Title'];
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$params['wanted_code'] = $course['Code'];
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$params['tutor_name'] = null;
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$params['course_category'] = $course['CourseCategory'];
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$params['course_language'] = $course_language;
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$params['user_id'] = $creatorId;
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$course_info = CourseManager::create_course($params);
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if (!empty($course_info)) {
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if (!empty($teacherList)) {
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foreach ($teacherList as $teacher) {
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CourseManager::add_user_to_course($teacher['user_id'], $course_info['code'], COURSEMANAGER);
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}
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}
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$msg .= '<a href="'.api_get_path(WEB_COURSE_PATH).$course_info['directory'].'/">
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'.$course_info['title'].'</a> '.get_lang('Created').'<br />';
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}
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}
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if (!empty($msg)) {
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Display::display_normal_message($msg, false);
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}
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}
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/**
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* Read the CSV-file
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* @param string $file Path to the CSV-file
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* @return array All course-information read from the file
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*/
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function parse_csv_data($file)
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{
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$courses = Import::csv_to_array($file);
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return $courses;
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}
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$language_file = array('admin', 'registration','create_course', 'document');
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$cidReset = true;
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require '../inc/global.inc.php';
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$this_section = SECTION_PLATFORM_ADMIN;
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api_protect_admin_script();
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require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
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require_once api_get_path(LIBRARY_PATH).'import.lib.php';
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$defined_auth_sources[] = PLATFORM_AUTH_SOURCE;
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if (is_array($extAuthSource)) {
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$defined_auth_sources = array_merge($defined_auth_sources, array_keys($extAuthSource));
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}
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$tool_name = get_lang('ImportCourses').' CSV';
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$interbreadcrumb[] = array('url' => 'index.php', 'name' => get_lang('PlatformAdmin'));
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set_time_limit(0);
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Display :: display_header($tool_name);
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if ($_POST['formSent']) {
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if (empty($_FILES['import_file']['tmp_name'])) {
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$error_message = get_lang('UplUploadFailed');
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Display :: display_error_message($error_message, false);
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} else {
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$allowed_file_mimetype = array('csv');
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$ext_import_file = substr($_FILES['import_file']['name'], (strrpos($_FILES['import_file']['name'], '.') + 1));
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if (!in_array($ext_import_file, $allowed_file_mimetype)) {
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Display :: display_error_message(get_lang('YouMustImportAFileAccordingToSelectedOption'));
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} else {
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$courses = parse_csv_data($_FILES['import_file']['tmp_name']);
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$errors = validate_data($courses);
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if (count($errors) == 0) {
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save_data($courses);
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}
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}
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}
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}
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if (count($errors) != 0) {
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$error_message = '<ul>';
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foreach ($errors as $index => $error_course) {
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$error_message .= '<li>'.get_lang('Line').' '.$error_course['line'].': <strong>'.$error_course['error'].'</strong>: ';
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$error_message .= get_lang('Course').': '.$error_course['Title'].' ('.$error_course['Code'].')';
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$error_message .= '</li>';
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}
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$error_message .= '</ul>';
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Display :: display_error_message($error_message, false);
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}
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?>
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<form method="post" action="<?php echo api_get_self(); ?>" enctype="multipart/form-data" style="margin: 0px;">
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<legend><?php echo $tool_name; ?></legend>
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<div class="control-group">
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<label><?php echo get_lang('ImportCSVFileLocation'); ?></label>
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<div class="control">
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<input type="file" name="import_file"/>
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</div>
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</div>
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<div class="control-group">
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<div class="control">
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<button type="submit" class="save" value="<?php echo get_lang('Import'); ?>"><?php echo get_lang('Import'); ?></button>
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</div>
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</div>
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<input type="hidden" name="formSent" value="1"/>
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</form>
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<div style="clear: both;"></div>
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<p><?php echo get_lang('CSVMustLookLike').' ('.get_lang('MandatoryFields').')'; ?> :</p>
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<blockquote>
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<pre>
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<strong>Code</strong>;<strong>Title</strong>;<strong>CourseCategory</strong>;Teacher;Language
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BIO0015;Biology;BIO;teacher1;english
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BIO0016;Maths;MATH;teacher2|teacher3;english
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BIO0017;Language;LANG;;english
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</pre>
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</blockquote>
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<?php
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Display :: display_footer();
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