chamilo-lms/main/admin/subscribe_user2class.php

<?php
/* For licensing terms, see /license.txt */
/**
 * 	@package chamilo.admin
 */
/**
 * Code
 */

$cidReset = true;

require_once '../inc/global.inc.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
Display :: display_footer();