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

137 lines
4.2 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This tool allows platform admins to add classes by uploading a CSV file
* @todo Add some langvars to DLTT
* @package chamilo.admin
*/
/**
* Validates imported data.
*/
function validate_data($classes) {
$errors = array();
$usergroup = new UserGroup();
foreach ($classes as $index => $class) {
// 1. Check of class name is available.
if (!isset($class['name']) || strlen(trim($class['name'])) == 0) {
$class['line'] = $index + 2;
$class['error'] = get_lang('MissingClassName');
$errors[] = $class;
} else {
// 2. Check whether class doesn't exist yet.
if ($usergroup->usergroup_exists($class['name'])) {
$class['line'] = $index + 2;
$class['error'] = get_lang('ClassNameExists') .
': <strong>' .$class['name'] . '</strong>';
$errors[] = $class;
}
}
}
return $errors;
}
/**
* Save imported class data to database
*
* @param $classes
*
* @return int
*/
function save_data($classes)
{
$count = 0;
$usergroup = new UserGroup();
foreach ($classes as $index => $class) {
$usersToAdd = isset($class['users']) ? $class['users'] : null;
unset($class['users']);
$id = $usergroup->save($class);
if ($id) {
if (!empty($usersToAdd)) {
$usersToAddList = explode(',', $usersToAdd);
$userIdList = array();
foreach ($usersToAddList as $username) {
$userInfo = api_get_user_info_from_username($username);
$userIdList[] = $userInfo['user_id'];
}
if (!empty($userIdList)) {
$usergroup->subscribe_users_to_usergroup(
$id,
$userIdList,
false
);
}
}
$count++;
}
}
return $count;
}
// Language files that should be included.
$language_file = array('admin', 'registration');
// Resetting the course id.
$cidReset = true;
include '../inc/global.inc.php';
// Setting the section (for the tabs).
$this_section = SECTION_PLATFORM_ADMIN;
// Access restrictions.
api_protect_admin_script();
// setting breadcrumbs
$interbreadcrumb[] = array('url' => 'index.php', 'name' => get_lang('PlatformAdmin'));
$interbreadcrumb[] = array('url' => 'usergroups.php', 'name' => get_lang('Classes'));
// Database Table Definitions
// Setting the name of the tool.
$tool_name = get_lang('ImportClassListCSV');
// Displaying the header.
Display :: display_header($tool_name);
set_time_limit(0);
$form = new FormValidator('import_classes');
$form->addElement('file', 'import_file', get_lang('ImportCSVFileLocation'));
$group = array();
$group[] = $form->createElement('radio', 'file_type', '', 'CSV (<a href="example_class.csv" target="_blank">' . get_lang('ExampleCSVFile') . '</a>)', 'csv');
$form->addGroup($group, '', get_lang('FileType'), '<br/>');
$form->addElement('style_submit_button', 'submit', get_lang('Import'), 'class="save"');
if ($form->validate()) {
$classes = Import::csv_to_array($_FILES['import_file']['tmp_name']);
$errors = validate_data($classes);
if (count($errors) == 0) {
$number_of_added_classes = save_data($classes);
Display::display_normal_message($number_of_added_classes . ' ' . get_lang('Added'));
} else {
$error_message = get_lang('ErrorsWhenImportingFile');
$error_message .= '<ul>';
foreach ($errors as $index => $error_class) {
$error_message .= '<li>' . $error_class['error'] . ' (' . get_lang('Line') . ' ' . $error_class['line'] . ')';
$error_message .= '</li>';
}
$error_message .= '</ul>';
$error_message .= get_lang('Error');
Display :: display_error_message($error_message, false);
}
}
$form->display();
?>
<p><?php echo get_lang('CSVMustLookLike') . ' (' . get_lang('MandatoryFields') . ')'; ?> :</p>
<pre>
<b>name;description;</b>users
"User group 1";"Description";admin,username1,username2
</pre>
<?php
// Displaying the footer.
Display :: display_footer();