chamilo-lms/main/admin/subscribe_user2class.php

<?php
/* For licensing terms, see /license.txt */
/**
 *	@package chamilo.admin
 */
/**
 * Code
 */
// name of the language file that needs to be included
$language_file = 'admin';

$cidReset = true;

require ('../inc/global.inc.php');
require_once (api_get_path(LIBRARY_PATH).'classmanager.lib.php');

$this_section = SECTION_PLATFORM_ADMIN;
api_protect_admin_script();

$course = $_GET['course'];
$class_id = intval($_GET['idclass']);
$form_sent = 0;
$error_message = '';
$first_letter_left = '';
$first_letter_right = '';
$left_user_list = array();
$right_user_list = array ();

// Database table definitions
$tbl_class 		= Database :: get_main_table(TABLE_MAIN_CLASS);
$tbl_class_user = Database :: get_main_table(TABLE_MAIN_CLASS_USER);
$tbl_user 		= Database :: get_main_table(TABLE_MAIN_USER);

$sql = "SELECT name FROM $tbl_class WHERE id='$class_id'";
$result = Database::query($sql);

if (!list ($class_name) = Database::fetch_row($result))
{
    header('Location: class_list.php?filtreCours='.urlencode($course));
    exit ();
}

$noPHP_SELF = true;

$tool_name = get_lang('AddUsersToAClass').' ('.$class_name.')';

$interbreadcrumb[] = array ("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
$interbreadcrumb[] = array ("url" => "class_list.php?filtreCours=".urlencode($course), "name" => get_lang('AdminClasses'));

if ($_POST['formSent'])
{
    $form_sent = $_POST['formSent'];
    $first_letter_left = $_POST['firstLetterLeft'];
    $first_letter_right = $_POST['firstLetterRight'];
    $left_user_list = is_array($_POST['LeftUserList']) ? $_POST['LeftUserList'] : array();
    $right_user_list = is_array($_POST['RightUserList']) ? $_POST['RightUserList'] : array();
    $add_to_class = empty ($_POST['addToClass']) ? 0 : 1;
    $remove_from_class = empty ($_POST['removeFromClass']) ? 0 : 1;
    if ($form_sent == 1)
    {
        if ($add_to_class)
        {
            if (count($left_user_list) == 0)
            {
                $error_message = get_lang('AtLeastOneUser');
            }
            else
            {
                foreach ($left_user_list as $user_id)
                {
                    ClassManager :: add_user($user_id, $class_id);
                }
                header('Location: class_list.php?filtreCours='.urlencode($course));
                exit ();
            }
        }
        elseif ($remove_from_class)
        {
            if (count($right_user_list) == 0)
                $error_message = get_lang('AtLeastOneUser');
            else
            {
                foreach ($right_user_list as $index => $user_id)
                {
                    ClassManager :: unsubscribe_user($user_id, $class_id);
                }
                header('Location: class_list.php?filtreCours='.urlencode($course));
                exit ();
            }
        }
    }
}
Display :: display_header($tool_name);
//api_display_tool_title($tool_name);
$target_name = api_sort_by_first_name() ? 'firstname' : 'lastname';
$sql = "SELECT u.user_id,lastname,firstname,username FROM $tbl_user u LEFT JOIN $tbl_class_user cu ON u.user_id=cu.user_id AND class_id='$class_id' WHERE ".$target_name." LIKE '".$first_letter_left."%' AND class_id IS NULL ORDER BY ". (count($left_user_list) > 0 ? "(user_id IN(".implode(',', $left_user_list).")) DESC," : "")." ".$target_name;
$result = Database::query($sql);
$left_users = Database::store_result($result);
$sql = "SELECT u.user_id,lastname,firstname,username FROM $tbl_user u,$tbl_class_user cu WHERE cu.user_id=u.user_id AND class_id='$class_id' AND ".$target_name." LIKE '".$first_letter_right."%' ORDER BY ". (count($right_user_list) > 0 ? "(user_id IN(".implode(',', $right_user_list).")) DESC," : "")." ".$target_name;
$result = Database::query($sql);
$right_users = Database::store_result($result);
if (!empty ($error_message))
{
    Display :: display_normal_message($error_message);
}
?>
<form name="formulaire" method="post" action="<?php echo api_get_self(); ?>?course=<?php echo urlencode($course); ?>&amp;idclass=<?php echo $class_id; ?>" style="margin:0px;">
 <input type="hidden" name="formSent" value="1"/>
 <table border="0" cellpadding="5" cellspacing="0" width="100%">
  <tr>
   <td width="40%" align="center">
    <b><?php echo get_lang('UsersOutsideClass'); ?> :</b>
    <br/><br/>
    <?php echo get_lang('FirstLetterUser'); ?> :
    <select name="firstLetterLeft" onchange="javascript:document.formulaire.formSent.value='2'; document.formulaire.submit();">
     <option value="">--</option>
      <?php
      echo Display :: get_alphabet_options($first_letter_left);
      ?>
    </select>
   </td>
   <td width="20%">&nbsp;</td>
   <td width="40%" align="center">
    <b><?php echo get_lang('UsersInsideClass'); ?> :</b>
    <br/><br/>
    <?php echo get_lang('FirstLetterUser'); ?> :
    <select name="firstLetterRight" onchange="javascript:document.formulaire.formSent.value='2'; document.formulaire.submit();">
     <option value="">--</option>
<?php
echo Display :: get_alphabet_options($first_letter_right);
?>
   </select>
   </td>
  </tr>
  <tr>
   <td width="40%" align="center">
    <select name="LeftUserList[]" multiple="multiple" size="20" style="width:230px;">
<?php
foreach ($left_users as $user)
{
?>
     <option value="<?php echo $user['user_id']; ?>" <?php if (in_array($user['user_id'],$left_user_list)) echo 'selected="selected"'; ?>><?php echo api_get_person_name($user['firstname'], $user['lastname']).' ('.$user['username'].')'; ?></option>
<?php
}
?>
    </select>
   </td>
   <td width="20%" valign="middle" align="center">
    <input type="submit" name="addToClass" value="<?php echo get_lang('AddToClass'); ?> &gt;&gt;"/>
    <br/><br/>
    <input type="submit" name="removeFromClass" value="&lt;&lt; <?php echo get_lang('RemoveFromClass'); ?>"/>
   </td>
   <td width="40%" align="center">
    <select name="RightUserList[]" multiple="multiple" size="20" style="width:230px;">
<?php
foreach ($right_users as $user)
{
?>
     <option value="<?php echo $user['user_id']; ?>" <?php if (in_array($user['user_id'],$right_user_list)) echo 'selected="selected"'; ?>><?php echo api_get_person_name($user['firstname'], $user['lastname']).' ('.$user['username'].')'; ?></option>
<?php
}
?>
    </select>
   </td>
  </tr>
 </table>
</form>
<?php
/*
==============================================================================
        FOOTER
==============================================================================
*/
Display :: display_footer();
?>