Example #1
0
/**
 * Deletes users from waiting list
 *
 * @param object/objectArray $users_info 
 * @param object $course_info
 * @return bool
 */
function removeFromWaitingList($users_info, $course_info)
{
    $user_ids = array();
    if (is_array($users_info)) {
        foreach ($users_info as $user_info) {
            $user_ids[] = $user_info->user_id;
        }
    } else {
        $user_ids = array($users_info->user_id);
    }
    $dbo =& JFactory::GetDbo();
    //delete user from waiting list
    $query = "DELETE FROM #__lms_waiting_lists WHERE course_id={$course_info->course_id} AND user_id IN (" . implode(',', $user_ids) . ")";
    $dbo->setQuery($query);
    $dbo->query();
    return true;
}
Example #2
0
function botAssociateCEO($users_info)
{
    $_JLMS_PLUGINS =& JLMSFactory::getPlugins();
    $dbo =& JFactory::GetDbo();
    //---->get bot info
    if (!isset($_JLMS_PLUGINS->_user_bot_params['ceoassoc'])) {
        // load mambot params info
        $query = "SELECT params" . "\n FROM #__lms_plugins" . "\n WHERE element = 'ceoassoc'" . "\n AND folder = 'user'";
        $dbo->setQuery($query);
        $bot = $dbo->loadObject();
        // save query to class variable
        $_JLMS_PLUGINS->_user_bot_params['ceoassoc'] = $bot;
    }
    // pull query data from class variable
    $bot = $_JLMS_PLUGINS->_user_bot_params['ceoassoc'];
    $botParams = new jlmsPluginParameters($bot->params);
    $botParams->def('ceo_user_id', 0);
    //<----
    if ($parent_id = $botParams->get('ceo_user_id', 0)) {
        if (is_array($users_info)) {
            foreach ($users_info as $user_info) {
                //---->check if user already associated to CEO and add associate if not
                $query = "SELECT COUNT(*) FROM #__lms_user_parents WHERE parent_id = {$parent_id} AND user_id = {$user_info->user_id}";
                $dbo->setQuery($query);
                if (!$dbo->loadResult()) {
                    $query = "INSERT INTO #__lms_user_parents (`parent_id`, `user_id`) VALUES ({$parent_id}, {$user_info->user_id})";
                    $dbo->setQuery($query);
                    $dbo->query();
                }
                //<----
            }
        } else {
            $user_info = $users_info;
            //---->check if user already associated to CEO and add associate if not
            $query = "SELECT COUNT(*) FROM #__lms_user_parents WHERE parent_id = {$parent_id} AND user_id = {$user_info->user_id}";
            $dbo->setQuery($query);
            if (!$dbo->loadResult()) {
                $query = "INSERT INTO #__lms_user_parents (`parent_id`, `user_id`) VALUES ({$parent_id}, {$user_info->user_id})";
                $dbo->setQuery($query);
                $dbo->query();
            }
            //<----
        }
    }
    return;
}
Example #3
0
function notifyCourseJoined($users_info)
{
    $_JLMS_PLUGINS =& JLMSFactory::getPlugins();
    $JLMS_CONFIG =& JLMSFactory::getConfig();
    //---->get bot info
    $dbo =& JFactory::GetDbo();
    if (!isset($_JLMS_PLUGINS->_nontify_bot_params['coursejoinnotify'])) {
        // load mambot params info
        $query = "SELECT params" . "\n FROM #__lms_plugins" . "\n WHERE element = 'coursejoinnotify'" . "\n AND folder = 'notifications'";
        $dbo->setQuery($query);
        $bot = $dbo->loadObject();
        // save query to class variable
        $_JLMS_PLUGINS->_notify_bot_params['coursejoinnotify'] = $bot;
    }
    // pull query data from class variable
    $bot = $_JLMS_PLUGINS->_notify_bot_params['coursejoinnotify'];
    $botParams = new jlmsPluginParameters($bot->params);
    $botParams->def('mail_template', 'Hello {user_name}, You have just been added to the course {course_name} attendees list.');
    $botParams->def('mail_subject', 'Course joining notification');
    //<----
    foreach ($users_info as $info_ids) {
        $query = "SELECT c.course_name AS course_name, u.name AS user_name, u.email AS mail_address FROM #__lms_courses AS c, #__users AS u" . "\n WHERE c.id={$info_ids->course_id} AND u.id={$info_ids->user_id}";
        $dbo->setQuery($query);
        $info_text = $dbo->loadObject();
        $mail_address = $dbo->getEscaped($info_text->mail_address);
        $mail_subject = $dbo->getEscaped($botParams->get('mail_subject'));
        $mail_text = $botParams->get('mail_template');
        $mail_text = str_replace('{user_name}', $info_text->user_name, $mail_text);
        $mail_text = str_replace('{course_name}', $info_text->course_name, $mail_text);
        $mail_text = str_replace('{site_URL}', $JLMS_CONFIG->get('live_site'), $mail_text);
        $mail_text = $dbo->getEscaped($mail_text);
        $query = "INSERT INTO #__lms_notifications (assigned, mail_address, mail_subject, mail_body, sent) VALUES" . "\n ({$info_ids->teacher_id}, '{$mail_address}', '{$mail_subject}', '{$mail_text}', 0)";
        $dbo->setQuery($query);
        $dbo->query();
    }
}
Example #4
0
 private function _replaceRequest($msg)
 {
     $db = JFactory::GetDbo();
     $request = JRequest::get('request');
     foreach ($request as $key => $val) {
         if (is_string($val)) {
             // $$$ hugh - escape the key so preg_replace won't puke if key contains /
             $key = str_replace('/', '\\/', $key);
             $msg = preg_replace("/\\{{$key}\\}/", $db->Quote(urldecode($val)), $msg);
         }
     }
     return $msg;
 }
    function editCourse(&$row, &$lists, $option, $params = '', $levels = array())
    {
        global $JLMS_CONFIG;
        JHTML::_('behavior.tooltip');
        mosCommonHTML::loadCalendar();
        $db =& JFactory::GetDbo();
        if ($JLMS_CONFIG->get('multicat_use', 0)) {
            $multicat = array();
            $i = 0;
            foreach ($lists as $key => $item) {
                if (substr($key, 0, 6) == 'level_') {
                    $multicat[] = $lists['level_' . $i];
                    $i++;
                }
            }
        }
        ?>
		<script language="javascript" type="text/javascript">
		<!--
		function submitbutton(pressbutton) {
			var form = document.adminForm;

			if (pressbutton == 'cancel_course') {
				submitform( pressbutton );
				return;
			}
			if (pressbutton == 'save_course' || pressbutton == 'apply_course' ) {
				submitform( pressbutton );
				return;
			}
		}
		
		<?php 
        if (JLMS_J16version()) {
            ?>
		Joomla.submitbutton = submitbutton;
		<?php 
        }
        ?>
	
		<?php 
        if ($JLMS_CONFIG->get('multicat_use', 0)) {
            ?>
		var old_filters = new Array();
		function read_filter(){
			var form = document.adminForm;
			var count_levels = '<?php 
            echo count($levels);
            ?>
';
			for(var i=0;i<parseInt(count_levels);i++){
				if(form['level_id_'+i] != null){
					old_filters[i] = form['level_id_'+i].value;
				}
			}
		}
		function write_filter(){
			var form = document.adminForm;
			var count_levels = '<?php 
            echo count($levels);
            ?>
';
			var j;
			for(var i=0;i<parseInt(count_levels);i++){
				if(form['level_id_'+i+''] != null && form['level_id_'+i+''].value != old_filters[i]){
					j = i;
				}
				if(i > j){
					if(form['level_id_'+i] != null){
						form['level_id_'+i].value = 0;	
					}
				}
			}
		}
		<?php 
        }
        ?>
		//-->
		</script>

<form action="index.php" method="post" name="adminForm">
<table width="100%" >
	<tr>
		<td valign="top" width="220">
		<div>
			<?php 
        echo joomla_lms_adm_html::JLMS_menu();
        ?>
		</div>
		</td>
		<td valign="top">
		<div class="width-100">
		<fieldset class="adminform">
		<?php 
        if (!class_exists('JToolBarHelper')) {
            ?>
		<table class="adminheading">
		<tr>
			<th class="user">
			<?php 
            echo _JOOMLMS_COMP_NAME;
            ?>
:
			<small>
			<?php 
            echo $row->id ? _JLMS_CRSS_EDIT_COURSE : _JLMS_CRSS_NEW_COURSE;
            ?>
			</small>
			</th>
		</tr>
		</table>
		<?php 
        }
        ?>
			
		<table width="100%" border="0">
			<tr>
				<td valign="top">
					<table width="100%" >
						<tr>
							<th colspan="2"><?php 
        echo _JLMS_CRSS_COURSE_DETAILS;
        ?>
</th>
						<tr>
						<tr>
							<td align="right" width="20%"><?php 
        echo _JLMS_PRICE;
        ?>
:</td>
							<td><input class="text_area" type="text" name="course_price" size="8" maxlength="100" value="<?php 
        echo $row->course_price;
        ?>
" /></td>
						</tr>
						<?php 
        if ($JLMS_CONFIG->get('multicat_use', 0)) {
            for ($i = 0; $i < count($multicat); $i++) {
                ?>
							<tr>
								<td align="right" width="20%">
									<?php 
                echo isset($levels[$i]->cat_name) && $levels[$i]->cat_name != '' ? $levels[$i]->cat_name : _JLMS_CRSS_COURSE_CATS;
                ?>
	
								</td>
								<td>
									<?php 
                echo $multicat[$i];
                ?>
								</td>
							</tr>
							<?php 
            }
        } else {
            ?>
						<tr>
							<td align="right" width="20%"><?php 
            echo _JLMS_SELECT_CATEGORY;
            ?>
:</td>
							<td><?php 
            echo $lists['cat_id'];
            ?>
</td>
						</tr>
						<?php 
        }
        $query = "SELECT lms_config_value FROM #__lms_config WHERE lms_config_var='sec_cat_use'";
        $db->setQuery($query);
        if ($db->loadResult()) {
            ?>
						<tr>
							<td align="left" valign="middle" style="vertical-aligh:middle "><?php 
            echo _JLMS_CRSS_SECOND_CATS;
            ?>
:</td>
							<td><?php 
            echo $lists['sec_cat_id'];
            ?>
</td>
						</tr>
							<?php 
        }
        ?>
						<tr>
							<td align="left" valign="middle" style="vertical-align:middle "><?php 
        echo _JLMS_CRSS_CRS_NAME;
        ?>
:</td>
							<td><input class="text_area" type="text" name="course_name" style="width:266px;" maxlength="100" value="<?php 
        echo str_replace('"', '&quot;', $row->course_name);
        ?>
" /></td>
						</tr>
						<tr>
							<td align="right" width="20%"><?php 
        echo _JLMS_PUBLISHED;
        ?>
:</td>
							<td>
							<fieldset class="radio">
							<?php 
        echo $lists['published'];
        ?>
							</fieldset>
							</td>
						</tr>
						<tr>
							<td align="right" width="20%"><?php 
        echo _JLMS_START_DATE;
        ?>
:</td>
							<td>
							<fieldset class="radio">
							<?php 
        echo $lists['publish_start'];
        //$sf_date = mosFormatDate($row->start_date, "%Y-%m-%d");
        $format = '%Y-%m-%d';
        $class = 'inputbox';
        $id = 'start_date';
        $name = 'start_date';
        $value = $row->start_date;
        //($sf_date != '-')?$sf_date:'';
        if (class_exists('JHTML')) {
            $joomla_generated_code = JHTML::_('calendar', $value, $name, $id, $format, array('class' => $class));
            //ignore joomla generated code ;)
            echo '<input type="text" name="' . $name . '" id="' . $id . '" value="' . htmlspecialchars($value, ENT_COMPAT, 'UTF-8') . '" size="10" maxlength="10" />&nbsp;' . '<img class="calendar" src="' . JURI::root() . 'templates/system/images/calendar.png" alt="calendar" id="' . $id . '_img" align="absbottom" />';
        } else {
            ?>
	<input class="text_area" type="text" name="<?php 
            echo $name;
            ?>
" id="<?php 
            echo $id;
            ?>
" size="10" maxlength="10" value="<?php 
            echo $value;
            ?>
" />
	<input type="button" class="button" value="..." onclick="showCalendar('<?php 
            echo $id;
            ?>
', 'y-mm-dd');return showCalendar('<?php 
            echo $id;
            ?>
', 'y-mm-dd');" />
<?php 
        }
        ?>
						</fieldset>
							</td>
						</tr>
						<tr>
							<td align="right" width="20%"><?php 
        echo _JLMS_END_DATE;
        ?>
:</td>
							<td>
							<fieldset class="radio">
							<?php 
        echo $lists['publish_end'];
        //$sf_date = mosFormatDate($row->end_date, "Y-%m-%d");
        $format = '%Y-%m-%d';
        $class = 'inputbox';
        $id = 'end_date';
        $name = 'end_date';
        $value = $row->end_date;
        //($sf_date != '-')?$row->end_date:'';
        if (class_exists('JHTML')) {
            $joomla_generated_code = JHTML::_('calendar', $value, $name, $id, $format, array('class' => $class));
            //ignore joomla generated code ;)
            echo '<input type="text" name="' . $name . '" id="' . $id . '" value="' . htmlspecialchars($value, ENT_COMPAT, 'UTF-8') . '" size="10" maxlength="10" />&nbsp;' . '<img class="calendar" src="' . JURI::root() . 'templates/system/images/calendar.png" alt="calendar" id="' . $id . '_img" align="absbottom" />';
        } else {
            ?>
	<input class="text_area" type="text" name="<?php 
            echo $name;
            ?>
" id="<?php 
            echo $id;
            ?>
" size="10" maxlength="10" value="<?php 
            echo $value;
            ?>
" />
	<input type="button" class="button" value="..." onclick="showCalendar('<?php 
            echo $id;
            ?>
', 'y-mm-dd');return showCalendar('<?php 
            echo $id;
            ?>
', 'y-mm-dd');" />
<?php 
        }
        ?>
						</fieldset>
							</td>
						</tr>
						<tr>
							<td align="left" valign="top" style="vertical-align:top "><?php 
        echo _JLMS_CRSS_ACCESS_LEVEL;
        ?>
:</td>
							<td><?php 
        echo $lists['gid'];
        ?>
</td>
						</tr>
						<tr>
							<td align="left" valign="top"><?php 
        echo _JLMS_DESCRIPTION;
        ?>
:</td>
							<td>
							<?php 
        JLMS_editorArea('editor1', $row->course_description, 'course_description', '100%;', '250', '40', '20');
        ?>
							</td>
						</tr>
						<tr>
							<td align="left" valign="top" style="vertical-align:top"><?php 
        echo _JLMS_SHORT_DESC;
        ?>
:</td>
							<td><textarea class="inputbox" name="course_sh_description" cols="50" rows="3"><?php 
        echo $row->course_sh_description;
        ?>
</textarea></td>
						</tr>
						<tr>
							<td align="left" valign="top"><?php 
        echo _JLMS_CRSS_META_DATA;
        ?>
:</td>
							<td>
							<textarea class="text_area" name="metadesc" cols="50" rows="3"><?php 
        echo $row->metadesc;
        ?>
</textarea>
							</td>
						</tr>
						<tr>
							<td align="left" valign="top"><?php 
        echo _JLMS_CRSS_META_KEYS;
        ?>
:</td>
							<td>
							<textarea class="text_area" name="metakeys" cols="50" rows="3"><?php 
        echo $row->metakeys;
        ?>
</textarea>
							</td>
						</tr>
						<tr>
							<td align="right" width="20%"><?php 
        echo _JLMS_LANGUAGE;
        ?>
:</td>
							<td><?php 
        echo $lists['language'];
        ?>
</td>
						</tr>
						<tr>
							<td align="right" width="20%"><?php 
        echo _JLMS_CRSS_ENABLE_CHAT;
        ?>
:</td>
							<td>
							<fieldset class="radio">
							<?php 
        echo $lists['add_chat'];
        ?>
							</fieldset>
							</td>
						</tr>
						<tr>
							<td align="right" width="20%"><?php 
        echo _JLMS_CRSS_ENABLE_HOMEWORKS;
        ?>
:</td>
							<td>
							<fieldset class="radio">
							<?php 
        echo $lists['add_hw'];
        ?>
							</fieldset>
							</td>
						</tr>
						<tr>
							<td align="right" width="20%"><?php 
        echo _JLMS_CRSS_USR_REG_ATTEND;
        ?>
:</td>
							<td>
							<fieldset class="radio">
							<?php 
        echo $lists['add_attend'];
        ?>
							</fieldset>
							</td>
						</tr>
						<tr>
							<td align="right" width="20%"><?php 
        echo _JLMS_CRSS_ENBL_SELF_REG;
        ?>
:</td>
							<td>
							<fieldset class="radio">
							<?php 
        echo $lists['self_reg'];
        ?>
							</fieldset>
							</td>
						</tr>
						<tr>
							<td align="left" width="15%" valign="middle" style="vertical-align:middle "><?php 
        echo _JLMS_CRSS_FEE_TYPE;
        ?>
:</td>
							<td>
								<fieldset class="radio">
									<input type="radio" name="paid" id="free_type"  value="0" <?php 
        echo $row->paid ? '' : 'checked';
        ?>
 />
									<label for="free_type"><?php 
        echo _JLMS_FREE;
        ?>
</label>
									<input type="radio" name="paid" id="paid_type" value="1" <?php 
        echo $row->paid ? 'checked' : '';
        ?>
 />
									<label for="paid_type"><?php 
        echo _JLMS_PAID;
        ?>
</label>
								</fieldset>
							</td>
						</tr>
						
						<?php 
        //Course Properties Event//
        if (isset($lists['plugin_return']) && count($lists['plugin_return'])) {
            $fields = $lists['plugin_return'];
            foreach ($fields as $field) {
                ?>
								<tr>
									<td align="left" width="20%" valign="middle" style="vertical-align:middle ">
										<br />
										<?php 
                echo $field->name;
                ?>
:
									</td>
									<td colspan="2">
										<br />
										<?php 
                echo $field->control;
                ?>
									</td>
								</tr>
								<?php 
            }
        }
        //Course Properties Event//
        ?>
						
						<tr>
							<td align="right" width="20%"><?php 
        echo _JLMS_CRSS_ENBL_FORUM;
        ?>
:</td>
							<td>
							<fieldset class="radio">
							<?php 
        echo $lists['add_forum'];
        echo _JLMS_CRSS_TIP_ENBL_FORUM;
        ?>
							</fieldset>
							</td>
						</tr>
						<tr>
							<td align="right" width="20%"><?php 
        echo _JLMS_CRSS_SET_MAX_A_COUNTS;
        ?>
</td>
							<td><input type="text" name="params[max_attendees]" class="text_area" value="<?php 
        echo $params->get('max_attendees', 0);
        ?>
" />
								<?php 
        if (isset($params->_params)) {
            foreach ($params->_params as $name => $value) {
                switch ($name) {
                    case 'max_attendees':
                        break;
                    default:
                        echo "<input type='hidden' name='params[{$name}]' value='{$value}' />";
                        break;
                }
            }
        } elseif (isset($params->_registry['_default']['data'])) {
            foreach ($params->_registry['_default']['data'] as $name => $value) {
                switch ($name) {
                    case 'max_attendees':
                        break;
                    default:
                        echo "<input type='hidden' name='params[{$name}]' value='{$value}' />";
                        break;
                }
            }
        }
        ?>
							</td>
						</tr>
						<tr>
							<td align="right" width="20%"><?php 
        echo _JLMS_CRSS_CRS_AUTHOR_ID;
        ?>
:</td>
							<td><input class="text_area" type="text" name="owner_id" value="<?php 
        echo $row->owner_id;
        ?>
" /></td>
						</tr>
					</table>
					<br />
				</td>
			</tr>
		</table>		
		</fieldset>
		</div>
</td>
</tr>
</table>
		<input type="hidden" name="option" value="<?php 
        echo $option;
        ?>
" />
		<input type="hidden" name="id" value="<?php 
        echo $row->id;
        ?>
" />
		<input type="hidden" name="task" value="editA_course" />		
		</form>
		<?php 
    }
Example #6
0
 function saveToDb(&$db)
 {
     $dbo =& JFactory::GetDbo();
     $query = "DELETE FROM `#__lms_config` WHERE lms_config_var != 'jlms_version' ";
     $dbo->setQuery($query);
     $dbo->query();
     $this->attendance_days = serialize($this->attendance_days);
     $vars = $this->getPublicVars();
     foreach ($vars as $v) {
         if ($v == 'maxConfClients') {
             $this->{$v} = intval($this->{$v});
         } elseif ($v == 'backend_access_gid' && is_array($this->{$v})) {
             $this->{$v} = implode(',', $this->{$v});
         }
         $query = "INSERT INTO `#__lms_config` (lms_config_var, lms_config_value) " . "VALUES (" . $dbo->Quote($v) . ", " . $dbo->Quote($this->{$v}) . ")";
         $dbo->setQuery($query);
         $dbo->query();
     }
 }
Example #7
0
}
foreach (H5PCore::$scripts as $script) {
    $doc->addScript(JURI::root(true) . '/libraries/h5pcore/core/' . $script . $h5p_file_suffix);
}
$doc->addScript(JURI::root(true) . '/libraries/h5pcore/js/h5pjoomla.js' . $h5p_file_suffix);
$doc->addScript(JURI::root(true) . '/libraries/h5pcore/js/jquery.ba-resize.min.js' . $h5p_file_suffix);
$user = JFactory::getUser();
$script = 'H5PIntegration = H5PIntegration || {};';
$script .= 'H5PIntegration.content = H5PIntegration.content || {};';
$script .= 'H5PIntegration.jsonContentPath = "' . $h5p_path . 'content/";';
$script .= 'H5PIntegration.libraryPath = "' . $h5p_path . 'libraries/";';
$script .= 'H5P.ajaxPath = "' . JURI::root(true) . '/index.php?option=com_h5p&format=raw&task=";';
$script .= 'H5P.postUserStatistics = ' . ($user->get('id') === 0 ? 'false' : 'true') . ';';
$input = JFactory::getApplication()->input;
$h5pId = $input->getCmd('cid');
$db = JFactory::GetDbo();
$db->setQuery(sprintf("SELECT h.json_content, hl.machine_name, hl.fullscreen, hl.semantics\n\t  FROM #__h5p as h, #__h5p_libraries as hl\n\t  WHERE h.h5p_id = %s\n\t    AND hl.library_id = h.main_library_id", $db->quote($h5pId)));
$h5p = $db->loadObject();
// Add dependent lib javascripts
$db->setQuery(sprintf("SELECT hl.library_id, hl.machine_name as machineName, hl.major_version as majorVersion,\n\t        hl.minor_version as minorVersion, hl.patch_version as patchVersion, preloaded_css, preloaded_js, hnl.drop_css\n\t  FROM #__h5p_library_dependencies hnl\n\t  JOIN #__h5p_libraries hl\n\t    ON hnl.library_id = hl.library_id\n\t  WHERE hnl.h5p_id = %s\n\t    AND hnl.preloaded = 1", $db->quote($h5pId)));
$res = $db->loadAssocList();
foreach ($res as $library_data) {
    $libname = $h5p_core->libraryToString($library_data, TRUE);
    if (!empty($library_data['preloaded_js'])) {
        foreach (explode(',', $library_data['preloaded_js']) as $value) {
            $doc->addScript($h5p_path . 'libraries/' . $libname . '/' . trim($value) . '?pv=' . $library_data['patchVersion']);
        }
    }
    if (!empty($library_data['preloaded_css']) && $library_data['drop_css'] != 1) {
        foreach (explode(',', $library_data['preloaded_css']) as $value) {
            $doc->addStyleSheet($h5p_path . 'libraries/' . $libname . '/' . trim($value) . '?pv=' . $library_data['patchVersion']);
function ALU_saveItem($option, $page)
{
    $db =& JFactory::GetDbo();
    $redirect = JRequest::getCmd('redirect');
    $edit_manager = JRequest::getCmd('edit_manager');
    $old_group_id = JRequest::getCmd('old_group_id');
    $user_id = JRequest::getInt('user_id');
    $group_id = JRequest::getInt('group_id');
    $query = "SELECT count(*) FROM #__lms_user_assign_groups WHERE user_id = {$user_id} AND group_id = {$group_id}";
    $db->setQuery($query);
    $count_yet = $db->LoadResult();
    if ($count_yet) {
        $msg = _JLMS_USERS_USR_EXISTS;
    } else {
        if ($edit_manager) {
            $query = "UPDATE #__lms_user_assign_groups SET group_id = {$group_id} WHERE user_id = {$user_id} AND group_id = {$old_group_id}";
        } else {
            $query = "INSERT INTO #__lms_user_assign_groups (user_id, group_id) VALUES ({$user_id}, {$group_id})";
        }
        $db->setQuery($query);
        if (!$db->query()) {
            echo "<script> alert('" . $db->getErrorMsg() . "'); window.history.go(-1); </script>\n";
        }
        $msg = _JLMS_USERS_MSG_USR_ADDED;
    }
    $app =& JFactory::getApplication('administrator');
    if ($redirect) {
        $app->redirect("index.php?option={$option}&task=classes", $msg);
    } else {
        $app->redirect("index.php?option={$option}&task=group_managers", $msg);
    }
}