chamilo-lms/main/social/group_members.php

<?php
/* For licensing terms, see /license.txt */
/**
 * @package chamilo.social
 * @author Julio Montoya <gugli100@gmail.com>
 */
/**
 * Initialization
 */
$language_file = array('userInfo');
$cidReset = true;
require_once '../inc/global.inc.php';

api_block_anonymous_users();
if (api_get_setting('allow_social_tool') !='true') {
    api_not_allowed();
}

require_once api_get_path(LIBRARY_PATH).'group_portal_manager.lib.php';

$this_section = SECTION_SOCIAL;
$interbreadcrumb[]= array ('url' =>'home.php','name' => get_lang('Social'));
$interbreadcrumb[] = array('url' => 'groups.php','name' => get_lang('Groups'));
$interbreadcrumb[] = array('url' => '#','name' => get_lang('MemberList'));

$group_id	= intval($_GET['id']);

//todo @this validation could be in a function in group_portal_manager
if (empty($group_id)) {
	api_not_allowed();
} else {
	$group_info = GroupPortalManager::get_group_data($group_id);
	if (empty($group_info)) {
		api_not_allowed();
	}
	$user_role = GroupPortalManager::get_user_group_role(api_get_user_id(), $group_id);
	if (!in_array($user_role, array(GROUP_USER_PERMISSION_ADMIN, GROUP_USER_PERMISSION_MODERATOR, GROUP_USER_PERMISSION_READER))) {
		api_not_allowed();		
	}
}


Display :: display_header($tool_name, 'Groups');
$user_online_list = who_is_online(api_get_setting('time_limit_whosonline'), true);
$user_online_count = count($user_online_list); 

$show_message	= ''; 
//if i'm a moderator
if (isset($_GET['action']) && $_GET['action']=='add') {
	// we add a user only if is a open group
	$user_join = intval($_GET['u']);
	//if i'm a moderator		
	if (GroupPortalManager::is_group_moderator($group_id)) {
		GroupPortalManager::update_user_role($user_join, $group_id);
		$show_message = get_lang('UserAdded');
	}	
}

if (isset($_GET['action']) && $_GET['action']=='delete') {	
	// we add a user only if is a open group
	$user_join = intval($_GET['u']);
	//if i'm a moderator		
	if (GroupPortalManager::is_group_moderator($group_id)) {
		GroupPortalManager::delete_user_rel_group($user_join, $group_id); 
		$show_message = get_lang('UserDeleted');
	}
}

if (isset($_GET['action']) && $_GET['action']=='set_moderator') {	
	// we add a user only if is a open group
	$user_moderator= intval($_GET['u']);
	//if i'm the admin		
	if (GroupPortalManager::is_group_admin($group_id)) {
		GroupPortalManager::update_user_role($user_moderator, $group_id, GROUP_USER_PERMISSION_MODERATOR); 
		$show_message = get_lang('UserChangeToModerator');
	}
}

if (isset($_GET['action']) && $_GET['action']=='delete_moderator') {	
	// we add a user only if is a open group
	$user_moderator= intval($_GET['u']);
	//only group admins can do that	
	if (GroupPortalManager::is_group_admin($group_id)) {	
		GroupPortalManager::update_user_role($user_moderator, $group_id, GROUP_USER_PERMISSION_READER); 
		$show_message = get_lang('UserChangeToReader');
	}
}



$users	= GroupPortalManager::get_users_by_group($group_id, false, array(GROUP_USER_PERMISSION_ADMIN, GROUP_USER_PERMISSION_READER, GROUP_USER_PERMISSION_MODERATOR), 0 , 1000);
$new_member_list = array();

echo '<div id="social-content">';
	echo '<div id="social-content-left">';	
	//this include the social menu div
	SocialManager::show_social_menu('member_list',$group_id);
	echo '</div>';
	echo '<div id="social-content-right">';
	
	     echo '<h1><a href="groups.php?id='.$group_id.'">'.$group_info['name'].'</a></h1>';
	 
		echo '<div class="rounded_div" style="width:90%">';
			
		if (! empty($show_message)){
			Display :: display_confirmation_message($show_message);
		}	
		foreach($users as $user) {		
				switch ($user['relation_type']) {
					case  GROUP_USER_PERMISSION_ADMIN:
						$user['link'] = Display::return_icon('social_group_admin.png', get_lang('Admin'));
					break;
					case  GROUP_USER_PERMISSION_READER:
						if (in_array($user_role, array(GROUP_USER_PERMISSION_ADMIN, GROUP_USER_PERMISSION_MODERATOR))) {
						$user['link'] = '<a href="group_members.php?id='.$group_id.'&u='.$user['user_id'].'&action=delete">'.Display::return_icon('delete.png', get_lang('DeleteFromGroup')).'</a>'.
										'<a href="group_members.php?id='.$group_id.'&u='.$user['user_id'].'&action=set_moderator">'.Display::return_icon('social_moderator_add.png', get_lang('AddModerator')).'</a>';
						}
					break;		
					case  GROUP_USER_PERMISSION_PENDING_INVITATION:
						$user['link'] = '<a href="group_members.php?id='.$group_id.'&u='.$user['user_id'].'&action=add">'.Display::return_icon('pending_invitation.png', get_lang('PendingInvitation')).'</a>';					
					break;
					case  GROUP_USER_PERMISSION_MODERATOR:
						$user['link'] = Display::return_icon('social_group_moderator.png', get_lang('Moderator'));
						//only group admin can manage moderators 
						if ($user_role == GROUP_USER_PERMISSION_ADMIN) {
							$user['link'] .='<a href="group_members.php?id='.$group_id.'&u='.$user['user_id'].'&action=delete_moderator">'.Display::return_icon('social_moderator_delete.png', get_lang('DeleteModerator')).'</a>';
						}
					break;				
				}
				
				$image_path = UserManager::get_user_picture_path_by_id($user['user_id'], 'web', false, true);												
				$picture = UserManager::get_picture_user($user['user_id'], $image_path['file'],80);										
				$user['image'] = '<img src="'.$picture['file'].'"  width="50px" height="50px"  />';
				
			$new_member_list[] = $user;
		}		
		if (count($new_member_list) > 0) {			
			Display::display_sortable_grid('list_members', array(), $new_member_list, array('hide_navigation'=>true, 'per_page' => 100), $query_vars, false, array(true, false, true,true,false,true,true));		
		}
	echo '</div>';	
	echo '</div>';
echo '</div>';

Display :: display_footer();