$user_class) { $user_class['line'] = $index + 1; // 1. Check whether mandatory fields are set. $mandatory_fields = array ('UserName', 'ClassName'); foreach ($mandatory_fields as $key => $field) { if (!isset ($user_class[$field]) || strlen($user_class[$field]) == 0) { $user_class['error'] = get_lang($field.'Mandatory'); $errors[] = $user_class; } } // 2. Check whether classcode exists. if (isset ($user_class['ClassName']) && strlen($user_class['ClassName']) != 0) { // 2.1 Check whether code has been allready used in this CVS-file. if (!isset ($classcodes[$user_class['ClassName']])) { // 2.1.1 Check whether code exists in DB. $class_table = Database :: get_main_table(TABLE_MAIN_CLASS); $sql = "SELECT * FROM $class_table WHERE name = '".Database::escape_string($user_class['ClassName'])."'"; $res = Database::query($sql); if (Database::num_rows($res) == 0) { $user_class['error'] = get_lang('CodeDoesNotExists').': '.$user_class['ClassName']; $errors[] = $user_class; } else { $classcodes[$user_class['CourseCode']] = 1; } } } // 3. Check username, first, check whether it is empty. if (!UserManager::is_username_empty($user_class['UserName'])) { // 3.1. Check whether username is too long. if (UserManager::is_username_too_long($user_class['UserName'])) { $user_class['error'] = get_lang('UserNameTooLong').': '.$user_class['UserName']; $errors[] = $user_class; } $username = UserManager::purify_username($user_class['UserName'], $purification_option_for_usernames); // 3.2. Check whether username exists. if (UserManager::is_username_available($username)) { $user_class['error'] = get_lang('UnknownUser').': '.$username; $errors[] = $user_class; } } } return $errors; } /** * Saves imported data. */ function save_data($users_classes) { global $purification_option_for_usernames; // Table definitions. $user_table = Database :: get_main_table(TABLE_MAIN_USER); $class_user_table = Database :: get_main_table(TABLE_MAIN_CLASS_USER); $class_table = Database :: get_main_table(TABLE_MAIN_CLASS); // Data parsing: purification + conversion (UserName, ClassName) --> (user_is, class_id) $csv_data = array (); foreach ($users_classes as $index => $user_class) { $sql1 = "SELECT user_id FROM $user_table WHERE username = '".Database::escape_string(UserManager::purify_username($user_class['UserName'], $purification_option_for_usernames))."'"; $res1 = Database::query($sql1); $obj1 = Database::fetch_object($res1); $sql2 = "SELECT id FROM $class_table WHERE name = '".Database::escape_string(trim($user_class['ClassName']))."'"; $res2 = Database::query($sql2); $obj2 = Database::fetch_object($res2); if ($obj1 && $obj2) { $csv_data[$obj1->user_id][$obj2->id] = 1; } } // Logic for processing the request (data + UI options). $db_subscriptions = array(); foreach ($csv_data as $user_id => $csv_subscriptions) { $sql = "SELECT class_id FROM $class_user_table cu WHERE cu.user_id = $user_id"; $res = Database::query($sql); while ($obj = Database::fetch_object($res)) { $db_subscriptions[$obj->class_id] = 1; } $to_subscribe = array_diff(array_keys($csv_subscriptions), array_keys($db_subscriptions)); $to_unsubscribe = array_diff(array_keys($db_subscriptions), array_keys($csv_subscriptions)); // Subscriptions for new classes. if ($_POST['subscribe']) { foreach ($to_subscribe as $class_id) { ClassManager::add_user($user_id, $class_id); } } // Unsubscription from previous classes. if ($_POST['unsubscribe']) { foreach ($to_unsubscribe as $class_id) { ClassManager::unsubscribe_user($user_id, $class_id); } } } } /** * Reads a CSV-file. * @param string $file Path to the CSV-file * @return array All course-information read from the file */ function parse_csv_data($file) { $courses = Import::csvToArray($file); return $courses; } $cidReset = true; require_once '../inc/global.inc.php'; $this_section = SECTION_PLATFORM_ADMIN; api_protect_admin_script(true); $tool_name = get_lang('AddUsersToAClass').' CSV'; $interbreadcrumb[] = array ('url' => 'index.php', 'name' => get_lang('PlatformAdmin')); $interbreadcrumb[] = array ('url' => 'class_list.php', 'name' => get_lang('Classes')); // Set this option to true to enforce strict purification for usenames. $purification_option_for_usernames = false; set_time_limit(0); $form = new FormValidator('class_user_import'); $form->addElement('file', 'import_file', get_lang('ImportFileLocation')); $form->addElement('checkbox', 'subscribe', get_lang('Action'), get_lang('SubscribeUserIfNotAllreadySubscribed')); $form->addElement('checkbox', 'unsubscribe', '', get_lang('UnsubscribeUserIfSubscriptionIsNotInFile')); $form->addButtonImport(get_lang('Import')); if ($form->validate()) { $users_classes = parse_csv_data($_FILES['import_file']['tmp_name']); $errors = validate_data($users_classes); if (count($errors) == 0) { save_data($users_classes); header('Location: class_list.php?action=show_message&message='.urlencode(get_lang('FileImported'))); exit(); } } Display :: display_header($tool_name); api_display_tool_title($tool_name); if (count($errors) != 0) { $error_message = "\n"; foreach ($errors as $index => $error_class_user) { $error_message .= get_lang('Line').' '.$error_class_user['line'].': '.$error_class_user['error'].''; $error_message .= "
"; } $error_message .= "\n"; Display :: display_error_message($error_message, false); } $form->display(); ?>

:

UserName;ClassName
jdoe;class01
adam;class01