You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
236 lines
9.1 KiB
236 lines
9.1 KiB
<?php
|
|
/* For licensing terms, see /license.txt */
|
|
|
|
/**
|
|
* This tool allows platform admins to create courses by uploading a CSV file
|
|
* Copyright (c) 2010 Chamilo Association
|
|
* Copyright (c) 2008 Dokeos SPRL
|
|
* Copyright (c) 2005 Bart Mollet <bart.mollet@hogent.be>
|
|
* @todo Add some language variables to Chamilo Translation Application
|
|
* @package chamilo.admin
|
|
*/
|
|
|
|
/**
|
|
* Validates imported data.
|
|
*/
|
|
function validate_data($courses) {
|
|
global $_configuration;
|
|
global $purification_option_for_usernames;
|
|
$dbnamelength = strlen($_configuration['db_prefix']);
|
|
// Ensure the prefix + database name do not get over 40 characters.
|
|
$maxlength = 40 - $dbnamelength;
|
|
|
|
$errors = array ();
|
|
$coursecodes = array ();
|
|
foreach ($courses as $index => $course) {
|
|
$course['line'] = $index +1;
|
|
// 1. Check whether mandatory fields are set.
|
|
$mandatory_fields = array ('Code', 'Title', 'CourseCategory', 'Teacher');
|
|
foreach ($mandatory_fields as $key => $field) {
|
|
if (!isset($course[$field]) || strlen($course[$field]) == 0) {
|
|
$course['error'] = get_lang($field.'Mandatory');
|
|
$errors[] = $course;
|
|
}
|
|
}
|
|
// 2. Check current course code.
|
|
if (isset ($course['Code']) && strlen($course['Code']) != 0) {
|
|
// 2.1 Check whether code has been allready used by this CVS-file.
|
|
if (isset($coursecodes[$course['Code']])) {
|
|
$course['error'] = get_lang('CodeTwiceInFile');
|
|
$errors[] = $course;
|
|
}
|
|
// 2.2 Check course code length.
|
|
elseif (api_strlen($course['Code']) > $maxlength) {
|
|
$course['error'] = get_lang('Max');
|
|
$errors[] = $course;
|
|
}
|
|
// 2.3 Check whether course code has been occupied.
|
|
else {
|
|
$course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
|
|
$sql = "SELECT * FROM $course_table WHERE code = '".Database::escape_string($course['Code'])."'";
|
|
$res = Database::query($sql);
|
|
if (Database::num_rows($res) > 0) {
|
|
$course['error'] = get_lang('CodeExists');
|
|
$errors[] = $course;
|
|
}
|
|
}
|
|
$coursecodes[$course['Code']] = 1;
|
|
}
|
|
/*
|
|
// 3. Check whether teacher exists.
|
|
if (!UserManager::is_username_empty($course['Teacher'])) {
|
|
$teacher = UserManager::purify_username($course['Teacher'], $purification_option_for_usernames);
|
|
if (UserManager::is_username_available($teacher)) {
|
|
$course['error'] = get_lang('UnknownTeacher').' ('.$teacher.')';
|
|
$errors[] = $course;
|
|
}
|
|
}
|
|
*/
|
|
// 4. Check whether course category exists.
|
|
if (isset($course['CourseCategory']) && strlen($course['CourseCategory']) != 0) {
|
|
$category_table = Database :: get_main_table(TABLE_MAIN_CATEGORY);
|
|
$sql = "SELECT * FROM $category_table WHERE code = '".Database::escape_string($course['CourseCategory'])."'";
|
|
$res = Database::query($sql);
|
|
if (Database::num_rows($res) == 0) {
|
|
//@todo this is so bad even all lang variables are wrong ...
|
|
$course['error'] = get_lang('UnkownCategoryCourseCode').' ('.$course['CourseCategory'].')';
|
|
$errors[] = $course;
|
|
}
|
|
}
|
|
}
|
|
return $errors;
|
|
}
|
|
|
|
/**
|
|
* Saves imported data.
|
|
* @param array List of courses
|
|
*/
|
|
function save_data($courses) {
|
|
global $purification_option_for_usernames;
|
|
|
|
$user_table = Database::get_main_table(TABLE_MAIN_USER);
|
|
$msg = '';
|
|
|
|
foreach ($courses as $index => $course) {
|
|
$course_language = api_get_valid_language($course['Language']);
|
|
$titular = $uidCreator = $username = '';
|
|
|
|
// Get username from name (firstname lastname).
|
|
if (!UserManager::is_username_empty($course['Teacher'])) {
|
|
$teacher = UserManager::purify_username($course['Teacher'], $purification_option_for_usernames);
|
|
if (UserManager::is_username_available($teacher)) {
|
|
$sql = "SELECT username FROM $user_table WHERE ".(api_is_western_name_order(null, $course_language) ? "CONCAT(firstname,' ',lastname)" : "CONCAT(lastname,' ',firstname)")." = '{$course['Teacher']}' LIMIT 1";
|
|
$rs = Database::query($sql);
|
|
$user = Database::fetch_object($rs);
|
|
$username = $user->username;
|
|
} else {
|
|
$username = $teacher;
|
|
}
|
|
}
|
|
|
|
// Get name and uid creator from username.
|
|
if (!empty($username)) {
|
|
$sql = "SELECT user_id, ".(api_is_western_name_order(null, $course_language) ? "CONCAT(firstname,' ',lastname)" : "CONCAT(lastname,' ',firstname)")." AS name FROM $user_table WHERE username = '".Database::escape_string(UserManager::purify_username($username, $purification_option_for_usernames))."'";
|
|
$res = Database::query($sql);
|
|
$teacher = Database::fetch_object($res);
|
|
$titular = $teacher->name;
|
|
$uidCreator = $teacher->user_id;
|
|
} else {
|
|
$titular = $course['Teacher'];
|
|
$uidCreator = 1;
|
|
}
|
|
|
|
$params = array();
|
|
$params['title'] = $course['Title'];
|
|
$params['wanted_code'] = $course['Code'];
|
|
$params['tutor_name'] = $titular;
|
|
$params['course_category'] = $course['CourseCategory'];
|
|
$params['course_category'] = $course['CourseCategory'];
|
|
$params['course_language'] = $course_language;
|
|
$params['user_id'] = $uidCreator;
|
|
|
|
|
|
$course_info = CourseManager::create_course($params);
|
|
if (!empty($course_info)) {
|
|
$msg .= '<a href="'.api_get_path(WEB_COURSE_PATH).$course_info['directory'].'/">'.$course_info['title'].'</a> '.get_lang('Created').'<br />';
|
|
}
|
|
}
|
|
|
|
if (!empty($msg)) {
|
|
Display::display_normal_message($msg, false);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Read the CSV-file
|
|
* @param string $file Path to the CSV-file
|
|
* @return array All course-information read from the file
|
|
*/
|
|
function parse_csv_data($file) {
|
|
$courses = Import :: csv_to_array($file);
|
|
return $courses;
|
|
}
|
|
|
|
$language_file = array('admin', 'registration','create_course', 'document');
|
|
|
|
$cidReset = true;
|
|
|
|
require '../inc/global.inc.php';
|
|
|
|
$this_section = SECTION_PLATFORM_ADMIN;
|
|
api_protect_admin_script();
|
|
|
|
require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
|
|
require_once api_get_path(LIBRARY_PATH).'import.lib.php';
|
|
$defined_auth_sources[] = PLATFORM_AUTH_SOURCE;
|
|
|
|
if (is_array($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 ($_POST['formSent']) {
|
|
if (empty($_FILES['import_file']['tmp_name'])) {
|
|
$error_message = get_lang('UplUploadFailed');
|
|
Display :: display_error_message($error_message, 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)) {
|
|
Display :: display_error_message(get_lang('YouMustImportAFileAccordingToSelectedOption'));
|
|
} else {
|
|
$courses = parse_csv_data($_FILES['import_file']['tmp_name']);
|
|
$errors = validate_data($courses);
|
|
if (count($errors) == 0) {
|
|
save_data($courses);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (count($errors) != 0) {
|
|
$error_message = '<ul>';
|
|
foreach ($errors as $index => $error_course) {
|
|
$error_message .= '<li>'.get_lang('Line').' '.$error_course['line'].': <strong>'.$error_course['error'].'</strong>: ';
|
|
$error_message .= $error_course['Code'].' '.$error_course['Title'];
|
|
$error_message .= '</li>';
|
|
}
|
|
$error_message .= '</ul>';
|
|
Display :: display_error_message($error_message, false);
|
|
}
|
|
?>
|
|
<form method="post" action="<?php echo api_get_self(); ?>" enctype="multipart/form-data" style="margin: 0px;">
|
|
<legend><?php echo $tool_name; ?></legend>
|
|
<div class="control-group">
|
|
<label><?php echo get_lang('ImportCSVFileLocation'); ?></label>
|
|
<div class="control">
|
|
<input type="file" name="import_file"/>
|
|
</div>
|
|
</div>
|
|
<div class="control-group ">
|
|
<div class="control">
|
|
<button type="submit" class="save" value="<?php echo get_lang('Import'); ?>"><?php echo get_lang('Import'); ?></button>
|
|
</div>
|
|
</div>
|
|
<input type="hidden" name="formSent" value="1"/>
|
|
</form>
|
|
<div style="clear: both;"></div>
|
|
<p><?php echo get_lang('CSVMustLookLike').' ('.get_lang('MandatoryFields').')'; ?> :</p>
|
|
|
|
<blockquote>
|
|
<pre>
|
|
<strong>Code</strong>;<strong>Title</strong>;<strong>CourseCategory</strong>;<strong>Teacher</strong>;Language
|
|
BIO0015;Biology;BIO;username;english
|
|
</pre>
|
|
</blockquote>
|
|
|
|
<?php
|
|
Display :: display_footer();
|