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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * @package chamilo.admin
- */
- /**
- * Code
- * This tool allows platform admins to update class-user relations by uploading
- * a CSVfile
- */
- /**
- * Validates imported data.
- */
- function validate_data($user_classes) {
- global $purification_option_for_usernames;
- $errors = array ();
- $classcodes = array ();
-
- /*if (!isset($_POST['subscribe']) && !isset($_POST['subscribe'])) {
- $user_class['error'] = get_lang('SelectAnAction');
- $errors[] = $user_class;
- return $errors;
- }*/
-
- $usergroup = new UserGroup();
-
- foreach ($user_classes as $index => $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
- $exists = $usergroup->usergroup_exists($user_class['ClassName']);
- if (!$exists) {
- $user_class['error'] = get_lang('CodeDoesNotExists').': '.$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);
-
- $usergroup = new UserGroup();
-
- // Data parsing: purification + conversion (UserName, ClassName) --> (user_is, class_id)
- $csv_data = array ();
- if (!empty($users_classes)) {
- foreach ($users_classes as $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);
- $usergroup = new UserGroup();
- $id = $usergroup->get_id_by_name($user_class['ClassName']);
-
- if ($obj1 && $id) {
- $csv_data[$id]['user_list'][] = $obj1->user_id;
- $csv_data[$id]['user_list_name'][] = $user_class['UserName'];
- $csv_data[$id]['class_name'] = $user_class['ClassName'];
- }
- }
- }
-
- // Logic for processing the request (data + UI options).
-
- if (!empty($csv_data)) {
- foreach ($csv_data as $class_id => $user_data) {
- $user_list = $user_data['user_list'];
-
- $class_name = $user_data['class_name'];
- $user_list_name = $user_data['user_list_name'];
-
- $usergroup->subscribe_users_to_usergroup($class_id, $user_list);
- /*
- $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);
- }
- }*/
- $message = Display::return_message(get_lang('Class').': '.$class_name.'<br />', 'normal', false);
- $message .= Display::return_message(get_lang('Users').': '.implode(', ', $user_list_name));
-
- return $message;
- }
- }
-
-
-
-
-
- }
- /**
- * 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) {
- $courses = Import::csv_to_array($file);
- return $courses;
- }
- $language_file = array('admin', 'registration');
- $cidReset = true;
- require_once '../inc/global.inc.php';
- $this_section = SECTION_PLATFORM_ADMIN;
- api_protect_admin_script(true);
- require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
- require_once api_get_path(LIBRARY_PATH).'import.lib.php';
- $tool_name = get_lang('AddUsersToAClass').' CSV';
- $interbreadcrumb[] = array ('url' => 'index.php', 'name' => get_lang('PlatformAdmin'));
- $interbreadcrumb[] = array ('url' => 'usergroups.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('header', $tool_name);
- $form->addElement('file', 'import_file', get_lang('ImportCSVFileLocation'));
- //$form->addElement('checkbox', 'subscribe', get_lang('Action'), get_lang('SubscribeUserIfNotAllreadySubscribed'));
- //$form->addElement('checkbox', 'unsubscribe', '', get_lang('UnsubscribeUserIfSubscriptionIsNotInFile'));
- $form->addElement('style_submit_button', 'submit', get_lang('Import'), 'class="save"');
- if ($form->validate()) {
- $users_classes = parse_csv_data($_FILES['import_file']['tmp_name']);
- $errors = validate_data($users_classes);
- if (count($errors) == 0) {
- $return = save_data($users_classes);
- }
- }
- Display :: display_header($tool_name);
- if (isset($return) && $return) {
- echo $return;
- }
- if (count($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'].'</b>';
- $error_message .= "<br />";
- }
- $error_message .= "\n";
- Display :: display_error_message($error_message, false);
- }
- $form->display();
- ?>
- <p><?php echo get_lang('CSVMustLookLike').' ('.get_lang('MandatoryFields').')'; ?> :</p>
- <pre>
- <b>UserName</b>;<b>ClassName</b>
- jdoe;class01
- adam;class01
- </pre>
- <?php
- Display :: display_footer();
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