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245 lines
8.1 KiB
245 lines
8.1 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* This script displays an area where teachers can edit the group properties and member list.
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* Groups are also often called "teams" in the Dokeos code.
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*
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* @author various contributors
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* @author Roan Embrechts (VUB), partial code cleanup, initial virtual course support
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* @package chamilo.group
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* @todo course admin functionality to create groups based on who is in which course (or class).
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*/
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require_once __DIR__.'/../inc/global.inc.php';
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$this_section = SECTION_COURSES;
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$current_course_tool = TOOL_GROUP;
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// Notice for unauthorized people.
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api_protect_course_script(true);
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$group_id = api_get_group_id();
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$current_group = GroupManager::get_group_properties($group_id);
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$nameTools = get_lang('EditGroup');
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$interbreadcrumb[] = array('url' => 'group.php', 'name' => get_lang('Groups'));
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$interbreadcrumb[] = array('url' => 'group_space.php?'.api_get_cidreq(), 'name' => $current_group['name']);
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$is_group_member = GroupManager::is_tutor_of_group(api_get_user_id(), $current_group['iid']);
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if (!api_is_allowed_to_edit(false, true) && !$is_group_member) {
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api_not_allowed(true);
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}
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/**
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* List all users registered to the course
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*/
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function search_members_keyword($firstname, $lastname, $username, $official_code, $keyword)
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{
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if (api_strripos($firstname, $keyword) !== false ||
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api_strripos($lastname, $keyword) !== false ||
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api_strripos($username, $keyword) !== false ||
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api_strripos($official_code, $keyword) !== false
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) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* Function to sort users after getting the list in the DB.
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* Necessary because there are 2 or 3 queries. Called by usort()
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*/
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function sort_users($user_a, $user_b)
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{
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$orderListByOfficialCode = api_get_setting('order_user_list_by_official_code');
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if ($orderListByOfficialCode === 'true') {
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$cmp = api_strcmp($user_a['official_code'], $user_b['official_code']);
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if ($cmp !== 0) {
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return $cmp;
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} else {
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$cmp = api_strcmp($user_a['lastname'], $user_b['lastname']);
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if ($cmp !== 0) {
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return $cmp;
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} else {
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return api_strcmp($user_a['username'], $user_b['username']);
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}
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}
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}
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if (api_sort_by_first_name()) {
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$cmp = api_strcmp($user_a['firstname'], $user_b['firstname']);
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if ($cmp !== 0) {
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return $cmp;
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} else {
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$cmp = api_strcmp($user_a['lastname'], $user_b['lastname']);
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if ($cmp !== 0) {
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return $cmp;
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} else {
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return api_strcmp($user_a['username'], $user_b['username']);
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}
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}
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} else {
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$cmp = api_strcmp($user_a['lastname'], $user_b['lastname']);
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if ($cmp !== 0) {
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return $cmp;
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} else {
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$cmp = api_strcmp($user_a['firstname'], $user_b['firstname']);
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if ($cmp !== 0) {
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return $cmp;
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} else {
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return api_strcmp($user_a['username'], $user_b['username']);
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}
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}
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}
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}
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/**
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* Function to check if the number of selected group members is valid
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*/
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function check_group_members($value)
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{
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if ($value['max_student'] == GroupManager::MEMBER_PER_GROUP_NO_LIMIT) {
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return true;
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}
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if (isset($value['max_student']) &&
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isset($value['group_members']) &&
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$value['max_student'] < count($value['group_members'])
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) {
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return array('group_members' => get_lang('GroupTooMuchMembers'));
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}
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return true;
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}
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$htmlHeadXtra[] = '<script>
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$(document).ready( function() {
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$("#max_member").on("focus", function() {
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$("#max_member_selected").attr("checked", true);
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});
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});
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</script>';
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// Build form
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$form = new FormValidator('group_edit', 'post', api_get_self().'?'.api_get_cidreq());
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$form->addElement('hidden', 'action');
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$form->addElement('hidden', 'max_student', $current_group['max_student']);
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$complete_user_list = GroupManager::fill_groups_list($current_group['iid']);
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$subscribedTutors = GroupManager::getTutors($current_group['iid']);
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if ($subscribedTutors) {
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$subscribedTutors = array_column($subscribedTutors, 'user_id');
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}
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$orderUserListByOfficialCode = api_get_setting('order_user_list_by_official_code');
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$possible_users = array();
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$userGroup = new UserGroup();
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if (!empty($complete_user_list)) {
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usort($complete_user_list, 'sort_users');
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foreach ($complete_user_list as $index => $user) {
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if (in_array($user['user_id'], $subscribedTutors)) {
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continue;
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}
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//prevent invitee users add to groups or tutors - see #8091
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if ($user['status'] != INVITEE) {
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$officialCode = !empty($user['official_code']) ? ' - '.$user['official_code'] : null;
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$groups = $userGroup->getUserGroupListByUser($user['user_id']);
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$groupNameListToString = '';
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if (!empty($groups)) {
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$groupNameList = array_column($groups, 'name');
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$groupNameListToString = ' - ['.implode(', ', $groupNameList).']';
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}
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$name = api_get_person_name($user['firstname'], $user['lastname']).
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' ('.$user['username'].')'.$officialCode;
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if ($orderUserListByOfficialCode === 'true') {
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$officialCode = !empty($user['official_code']) ? $user['official_code']." - " : '? - ';
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$name = $officialCode.' '.api_get_person_name($user['firstname'], $user['lastname']).' ('.$user['username'].')';
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}
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$possible_users[$user['user_id']] = $name.$groupNameListToString;
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}
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}
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}
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// Group members
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$group_member_list = GroupManager::get_subscribed_users($current_group['iid']);
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$selected_users = array();
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if (!empty($group_member_list)) {
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foreach ($group_member_list as $index => $user) {
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$selected_users[] = $user['user_id'];
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}
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}
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$group_members_element = $form->addElement(
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'advmultiselect',
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'group_members',
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get_lang('GroupMembers'),
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$possible_users,
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'style="width: 280px;"'
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);
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$form->addFormRule('check_group_members');
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// submit button
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$form->addButtonSave(get_lang('SaveSettings'));
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if ($form->validate()) {
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$values = $form->exportValues();
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// Storing the users (we first remove all users and then add only those who were selected)
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GroupManager:: unsubscribe_all_users($current_group['iid']);
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if (isset($_POST['group_members']) && count($_POST['group_members']) > 0) {
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GroupManager:: subscribe_users(
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$values['group_members'],
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$current_group['iid']
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);
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}
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// Returning to the group area (note: this is inconsistent with the rest of chamilo)
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$cat = GroupManager :: get_category_from_group($current_group['iid']);
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if (isset($_POST['group_members']) &&
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count($_POST['group_members']) > $max_member &&
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$max_member != GroupManager::MEMBER_PER_GROUP_NO_LIMIT
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) {
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Display::addFlash(Display::return_message(get_lang('GroupTooMuchMembers'), 'warning'));
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header('Location: group.php?'.api_get_cidreq(true, false));
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} else {
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Display::addFlash(Display::return_message(get_lang('GroupSettingsModified'), 'success'));
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header('Location: group.php?'.api_get_cidreq(true, false).'&category='.$cat['id']);
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}
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exit;
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}
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$action = isset($_GET['action']) ? $_GET['action'] : null;
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switch ($action) {
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case 'empty':
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if (api_is_allowed_to_edit(false, true)) {
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GroupManager:: unsubscribe_all_users($current_group['iid']);
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Display :: display_confirmation_message(get_lang('GroupEmptied'));
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}
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break;
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}
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$defaults = $current_group;
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$defaults['group_members'] = $selected_users;
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$action = isset($_GET['action']) ? $_GET['action'] : '';
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$defaults['action'] = $action;
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if (!empty($_GET['keyword']) && !empty($_GET['submit'])) {
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$keyword_name = Security::remove_XSS($_GET['keyword']);
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echo '<br/>'.get_lang('SearchResultsFor').' <span style="font-style: italic ;"> '.$keyword_name.' </span><br>';
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}
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Display::display_header($nameTools, 'Group');
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$form->setDefaults($defaults);
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echo GroupManager::getSettingBar('member');
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$form->display();
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Display :: display_footer();
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