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<?php
/**
* @package Joomla.Administrator
* @subpackage com_users
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
/**
* Methods supporting a list of user records.
*
* @since 1.6
*/
class UsersModelUsers extends JModelList
{
/**
* Constructor.
*
* @param array $config An optional associative array of configuration settings.
*
* @see JController
* @since 1.6
*/
public function __construct($config = array())
{
if (empty($config['filter_fields']))
{
$config['filter_fields'] = array(
'id', 'a.id',
'name', 'a.name',
'username', 'a.username',
'email', 'a.email',
'block', 'a.block',
'sendEmail', 'a.sendEmail',
'registerDate', 'a.registerDate',
'lastvisitDate', 'a.lastvisitDate',
'activation', 'a.activation',
'active',
'group_id',
'range',
'state',
);
}
parent::__construct($config);
}
/**
* Method to auto-populate the model state.
*
* Note. Calling getState in this method will result in recursion.
*
* @param string $ordering An optional ordering field.
* @param string $direction An optional direction (asc|desc).
*
* @return void
*
* @since 1.6
*/
protected function populateState($ordering = null, $direction = null)
{
$app = JFactory::getApplication('administrator');
// Adjust the context to support modal layouts.
if ($layout = $app->input->get('layout', 'default', 'cmd'))
{
$this->context .= '.' . $layout;
}
// Load the filter state.
$search = $this->getUserStateFromRequest($this->context . '.filter.search', 'filter_search');
$this->setState('filter.search', $search);
$active = $this->getUserStateFromRequest($this->context . '.filter.active', 'filter_active');
$this->setState('filter.active', $active);
$state = $this->getUserStateFromRequest($this->context . '.filter.state', 'filter_state');
$this->setState('filter.state', $state);
$groupId = $this->getUserStateFromRequest($this->context . '.filter.group', 'filter_group_id', null, 'int');
$this->setState('filter.group_id', $groupId);
$range = $this->getUserStateFromRequest($this->context . '.filter.range', 'filter_range');
$this->setState('filter.range', $range);
$groups = json_decode(base64_decode($app->input->get('groups', '', 'BASE64')));
if (isset($groups))
{
JArrayHelper::toInteger($groups);
}
$this->setState('filter.groups', $groups);
$excluded = json_decode(base64_decode($app->input->get('excluded', '', 'BASE64')));
if (isset($excluded))
{
JArrayHelper::toInteger($excluded);
}
$this->setState('filter.excluded', $excluded);
// Load the parameters.
$params = JComponentHelper::getParams('com_users');
$this->setState('params', $params);
// List state information.
parent::populateState('a.name', 'asc');
}
/**
* Method to get a store id based on model configuration state.
*
* This is necessary because the model is used by the component and
* different modules that might need different sets of data or different
* ordering requirements.
*
* @param string $id A prefix for the store id.
*
* @return string A store id.
*
* @since 1.6
*/
protected function getStoreId($id = '')
{
// Compile the store id.
$id .= ':' . $this->getState('filter.search');
$id .= ':' . $this->getState('filter.active');
$id .= ':' . $this->getState('filter.state');
$id .= ':' . $this->getState('filter.group_id');
$id .= ':' . $this->getState('filter.range');
return parent::getStoreId($id);
}
/**
* Gets the list of users and adds expensive joins to the result set.
*
* @return mixed An array of data items on success, false on failure.
*
* @since 1.6
*/
public function getItems()
{
// Get a storage key.
$store = $this->getStoreId();
// Try to load the data from internal storage.
if (empty($this->cache[$store]))
{
$groups = $this->getState('filter.groups');
$groupId = $this->getState('filter.group_id');
if (isset($groups) && (empty($groups) || $groupId && !in_array($groupId, $groups)))
{
$items = array();
}
else
{
$items = parent::getItems();
}
// Bail out on an error or empty list.
if (empty($items))
{
$this->cache[$store] = $items;
return $items;
}
// Joining the groups with the main query is a performance hog.
// Find the information only on the result set.
// First pass: get list of the user id's and reset the counts.
$userIds = array();
foreach ($items as $item)
{
$userIds[] = (int) $item->id;
$item->group_count = 0;
$item->group_names = '';
$item->note_count = 0;
}
// Get the counts from the database only for the users in the list.
$db = $this->getDbo();
$query = $db->getQuery(true);
// Join over the group mapping table.
$query->select('map.user_id, COUNT(map.group_id) AS group_count')
->from('#__user_usergroup_map AS map')
->where('map.user_id IN (' . implode(',', $userIds) . ')')
->group('map.user_id')
// Join over the user groups table.
->join('LEFT', '#__usergroups AS g2 ON g2.id = map.group_id');
$db->setQuery($query);
// Load the counts into an array indexed on the user id field.
try
{
$userGroups = $db->loadObjectList('user_id');
}
catch (RuntimeException $e)
{
$this->setError($e->getMessage());
return false;
}
$query->clear()
->select('n.user_id, COUNT(n.id) As note_count')
->from('#__user_notes AS n')
->where('n.user_id IN (' . implode(',', $userIds) . ')')
->where('n.state >= 0')
->group('n.user_id');
$db->setQuery($query);
// Load the counts into an array indexed on the aro.value field (the user id).
try
{
$userNotes = $db->loadObjectList('user_id');
}
catch (RuntimeException $e)
{
$this->setError($e->getMessage());
return false;
}
// Second pass: collect the group counts into the master items array.
foreach ($items as &$item)
{
if (isset($userGroups[$item->id]))
{
$item->group_count = $userGroups[$item->id]->group_count;
// Group_concat in other databases is not supported
$item->group_names = $this->_getUserDisplayedGroups($item->id);
}
if (isset($userNotes[$item->id]))
{
$item->note_count = $userNotes[$item->id]->note_count;
}
}
// Add the items to the internal cache.
$this->cache[$store] = $items;
}
return $this->cache[$store];
}
/**
* Build an SQL query to load the list data.
*
* @return JDatabaseQuery
*
* @since 1.6
*/
protected function getListQuery()
{
// Create a new query object.
$db = $this->getDbo();
$query = $db->getQuery(true);
// Select the required fields from the table.
$query->select(
$this->getState(
'list.select',
'a.*'
)
);
$query->from($db->quoteName('#__users') . ' AS a');
// If the model is set to check item state, add to the query.
$state = $this->getState('filter.state');
if (is_numeric($state))
{
$query->where('a.block = ' . (int) $state);
}
// If the model is set to check the activated state, add to the query.
$active = $this->getState('filter.active');
if (is_numeric($active))
{
if ($active == '0')
{
$query->where('a.activation IN (' . $db->quote('') . ', ' . $db->quote('0') . ')');
}
elseif ($active == '1')
{
$query->where($query->length('a.activation') . ' > 1');
}
}
// Filter the items over the group id if set.
$groupId = $this->getState('filter.group_id');
$groups = $this->getState('filter.groups');
if ($groupId || isset($groups))
{
$query->join('LEFT', '#__user_usergroup_map AS map2 ON map2.user_id = a.id')
->group($db->quoteName(array('a.id', 'a.name', 'a.username', 'a.password', 'a.block', 'a.sendEmail', 'a.registerDate', 'a.lastvisitDate', 'a.activation', 'a.params', 'a.email')));
if ($groupId)
{
$query->where('map2.group_id = ' . (int) $groupId);
}
if (isset($groups))
{
$query->where('map2.group_id IN (' . implode(',', $groups) . ')');
}
}
// Filter the items over the search string if set.
if ($this->getState('filter.search') !== '' && $this->getState('filter.search') !== null)
{
// Escape the search token.
$search = $db->quote('%' . str_replace(' ', '%', $db->escape(trim($this->getState('filter.search')), true) . '%'));
// Compile the different search clauses.
$searches = array();
$searches[] = 'a.name LIKE ' . $search;
$searches[] = 'a.username LIKE ' . $search;
$searches[] = 'a.email LIKE ' . $search;
// Add the clauses to the query.
$query->where('(' . implode(' OR ', $searches) . ')');
}
// Add filter for registration ranges select list
$range = $this->getState('filter.range');
// Apply the range filter.
if ($range)
{
// Get UTC for now.
$dNow = new JDate;
$dStart = clone $dNow;
switch ($range)
{
case 'past_week':
$dStart->modify('-7 day');
break;
case 'past_1month':
$dStart->modify('-1 month');
break;
case 'past_3month':
$dStart->modify('-3 month');
break;
case 'past_6month':
$dStart->modify('-6 month');
break;
case 'post_year':
case 'past_year':
$dStart->modify('-1 year');
break;
case 'today':
// Ranges that need to align with local 'days' need special treatment.
$app = JFactory::getApplication();
$offset = $app->get('offset');
// Reset the start time to be the beginning of today, local time.
$dStart = new JDate('now', $offset);
$dStart->setTime(0, 0, 0);
// Now change the timezone back to UTC.
$tz = new DateTimeZone('GMT');
$dStart->setTimezone($tz);
break;
}
if ($range == 'post_year')
{
$query->where(
$db->qn('a.registerDate') . ' < ' . $db->quote($dStart->format('Y-m-d H:i:s'))
);
}
else
{
$query->where(
$db->qn('a.registerDate') . ' >= ' . $db->quote($dStart->format('Y-m-d H:i:s')) .
' AND ' . $db->qn('a.registerDate') . ' <= ' . $db->quote($dNow->format('Y-m-d H:i:s'))
);
}
}
// Filter by excluded users
$excluded = $this->getState('filter.excluded');
if (!empty($excluded))
{
$query->where('id NOT IN (' . implode(',', $excluded) . ')');
}
// Add the list ordering clause.
$query->order($db->qn($db->escape($this->getState('list.ordering', 'a.name'))) . ' ' . $db->escape($this->getState('list.direction', 'ASC')));
return $query;
}
/**
* SQL server change
*
* @param integer $user_id User identifier
*
* @return string Groups titles imploded :$
*/
protected function _getUserDisplayedGroups($user_id)
{
$db = JFactory::getDbo();
$query = "SELECT title FROM " . $db->quoteName('#__usergroups') . " ug left join " .
$db->quoteName('#__user_usergroup_map') . " map on (ug.id = map.group_id)" .
" WHERE map.user_id=" . (int) $user_id;
$db->setQuery($query);
$result = $db->loadColumn();
return implode("\n", $result);
}
}