File Source for articles.php

<?php
/**
* @package Joomla.Administrator
* @subpackage com_content
*
* @copyright Copyright (C) 2005 - 2013 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 article records.
*
* @package Joomla.Administrator
* @subpackage com_content
*
* @since 1.6
*/
class ContentModelArticles extends JModelList
{
/**
* Constructor.
*
* @param array $config An optional associative array of configuration settings.
*
* @since 1.6
* @see JController
*/
public function __construct($config = array())
{
if (empty($config['filter_fields']))
{
$config['filter_fields'] = array(
'id', 'a.id',
'title', 'a.title',
'alias', 'a.alias',
'checked_out', 'a.checked_out',
'checked_out_time', 'a.checked_out_time',
'catid', 'a.catid', 'category_title',
'state', 'a.state',
'access', 'a.access', 'access_level',
'created', 'a.created',
'created_by', 'a.created_by',
'created_by_alias', 'a.created_by_alias',
'ordering', 'a.ordering',
'featured', 'a.featured',
'language', 'a.language',
'hits', 'a.hits',
'publish_up', 'a.publish_up',
'publish_down', 'a.publish_down',
'published', 'a.published',
'author_id',
'category_id',
'level',
'tag'
);
if (JLanguageAssociations::isEnabled())
{
$config['filter_fields'][] = 'association';
}
}
parent::__construct($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)
{
$app = JFactory::getApplication();
// Adjust the context to support modal layouts.
if ($layout = $app->input->get('layout'))
{
$this->context .= '.' . $layout;
}
$search = $this->getUserStateFromRequest($this->context . '.filter.search', 'filter_search');
$this->setState('filter.search', $search);
$access = $this->getUserStateFromRequest($this->context . '.filter.access', 'filter_access', 0, 'int');
$this->setState('filter.access', $access);
$authorId = $app->getUserStateFromRequest($this->context . '.filter.author_id', 'filter_author_id');
$this->setState('filter.author_id', $authorId);
$published = $this->getUserStateFromRequest($this->context . '.filter.published', 'filter_published', '');
$this->setState('filter.published', $published);
$categoryId = $this->getUserStateFromRequest($this->context . '.filter.category_id', 'filter_category_id');
$this->setState('filter.category_id', $categoryId);
$level = $this->getUserStateFromRequest($this->context . '.filter.level', 'filter_level', 0, 'int');
$this->setState('filter.level', $level);
$language = $this->getUserStateFromRequest($this->context . '.filter.language', 'filter_language', '');
$this->setState('filter.language', $language);
$tag = $this->getUserStateFromRequest($this->context . '.filter.tag', 'filter_tag', '');
$this->setState('filter.tag', $tag);
// List state information.
parent::populateState('a.title', 'asc');
// Force a language
$forcedLanguage = $app->input->get('forcedLanguage');
if (!empty($forcedLanguage))
{
$this->setState('filter.language', $forcedLanguage);
$this->setState('filter.forcedLanguage', $forcedLanguage);
}
}
/**
* 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.access');
$id .= ':' . $this->getState('filter.published');
$id .= ':' . $this->getState('filter.category_id');
$id .= ':' . $this->getState('filter.author_id');
$id .= ':' . $this->getState('filter.language');
return parent::getStoreId($id);
}
/**
* 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);
$user = JFactory::getUser();
$app = JFactory::getApplication();
// Select the required fields from the table.
$query->select(
$this->getState(
'list.select',
'a.id, a.title, a.alias, a.checked_out, a.checked_out_time, a.catid' .
', a.state, a.access, a.created, a.created_by, a.created_by_alias, a.ordering, a.featured, a.language, a.hits' .
', a.publish_up, a.publish_down'
)
);
$query->from('#__content AS a');
// Join over the language
$query->select('l.title AS language_title')
->join('LEFT', $db->quoteName('#__languages') . ' AS l ON l.lang_code = a.language');
// Join over the users for the checked out user.
$query->select('uc.name AS editor')
->join('LEFT', '#__users AS uc ON uc.id=a.checked_out');
// Join over the asset groups.
$query->select('ag.title AS access_level')
->join('LEFT', '#__viewlevels AS ag ON ag.id = a.access');
// Join over the categories.
$query->select('c.title AS category_title')
->join('LEFT', '#__categories AS c ON c.id = a.catid');
// Join over the users for the author.
$query->select('ua.name AS author_name')
->join('LEFT', '#__users AS ua ON ua.id = a.created_by');
// Join over the associations.
if (JLanguageAssociations::isEnabled())
{
$query->select('COUNT(asso2.id)>1 as association')
->join('LEFT', '#__associations AS asso ON asso.id = a.id AND asso.context=' . $db->quote('com_content.item'))
->join('LEFT', '#__associations AS asso2 ON asso2.key = asso.key')
->group('a.id');
}
// Filter by access level.
if ($access = $this->getState('filter.access'))
{
$query->where('a.access = ' . (int) $access);
}
// Implement View Level Access
if (!$user->authorise('core.admin'))
{
$groups = implode(',', $user->getAuthorisedViewLevels());
$query->where('a.access IN (' . $groups . ')');
}
// Filter by published state
$published = $this->getState('filter.published');
if (is_numeric($published))
{
$query->where('a.state = ' . (int) $published);
}
elseif ($published === '')
{
$query->where('(a.state = 0 OR a.state = 1)');
}
// Filter by a single or group of categories.
$baselevel = 1;
$categoryId = $this->getState('filter.category_id');
if (is_numeric($categoryId))
{
$cat_tbl = JTable::getInstance('Category', 'JTable');
$cat_tbl->load($categoryId);
$rgt = $cat_tbl->rgt;
$lft = $cat_tbl->lft;
$baselevel = (int) $cat_tbl->level;
$query->where('c.lft >= ' . (int) $lft)
->where('c.rgt <= ' . (int) $rgt);
}
elseif (is_array($categoryId))
{
JArrayHelper::toInteger($categoryId);
$categoryId = implode(',', $categoryId);
$query->where('a.catid IN (' . $categoryId . ')');
}
// Filter on the level.
if ($level = $this->getState('filter.level'))
{
$query->where('c.level <= ' . ((int) $level + (int) $baselevel - 1));
}
// Filter by author
$authorId = $this->getState('filter.author_id');
if (is_numeric($authorId))
{
$type = $this->getState('filter.author_id.include', true) ? '= ' : '<>';
$query->where('a.created_by ' . $type . (int) $authorId);
}
// Filter by search in title.
$search = $this->getState('filter.search');
if (!empty($search))
{
if (stripos($search, 'id:') === 0)
{
$query->where('a.id = ' . (int) substr($search, 3));
}
elseif (stripos($search, 'author:') === 0)
{
$search = $db->quote('%' . $db->escape(substr($search, 7), true) . '%');
$query->where('(ua.name LIKE ' . $search . ' OR ua.username LIKE ' . $search . ')');
}
else
{
$search = $db->quote('%' . $db->escape($search, true) . '%');
$query->where('(a.title LIKE ' . $search . ' OR a.alias LIKE ' . $search . ')');
}
}
// Filter on the language.
if ($language = $this->getState('filter.language'))
{
$query->where('a.language = ' . $db->quote($language));
}
// Filter by a single tag.
$tagId = $this->getState('filter.tag');
if (is_numeric($tagId))
{
$query->where($db->quoteName('tagmap.tag_id') . ' = ' . (int) $tagId)
->join(
'LEFT', $db->quoteName('#__contentitem_tag_map', 'tagmap')
. ' ON ' . $db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id')
. ' AND ' . $db->quoteName('tagmap.type_alias') . ' = ' . $db->quote('com_content.article')
);
}
// Add the list ordering clause.
$orderCol = $this->state->get('list.ordering', 'a.title');
$orderDirn = $this->state->get('list.direction', 'asc');
if ($orderCol == 'a.ordering' || $orderCol == 'category_title')
{
$orderCol = 'c.title ' . $orderDirn . ', a.ordering';
}
// SQL server change
if ($orderCol == 'language')
{
$orderCol = 'l.title';
}
if ($orderCol == 'access_level')
{
$orderCol = 'ag.title';
}
$query->order($db->escape($orderCol . ' ' . $orderDirn));
return $query;
}
/**
* Build a list of authors
*
* @return JDatabaseQuery
*
* @since 1.6
*/
public function getAuthors()
{
// Create a new query object.
$db = $this->getDbo();
$query = $db->getQuery(true);
// Construct the query
$query->select('u.id AS value, u.name AS text')
->from('#__users AS u')
->join('INNER', '#__content AS c ON c.created_by = u.id')
->group('u.id, u.name')
->order('u.name');
// Setup the query
$db->setQuery($query);
// Return the result
return $db->loadObjectList();
}
/**
* Method to get a list of articles.
* Overridden to add a check for access levels.
*
* @return mixed An array of data items on success, false on failure.
*
* @since 1.6.1
*/
public function getItems()
{
$items = parent::getItems();
if (JFactory::getApplication()->isSite())
{
$user = JFactory::getUser();
$groups = $user->getAuthorisedViewLevels();
for ($x = 0, $count = count($items); $x < $count; $x++)
{
// Check the access level. Remove articles the user shouldn't see
if (!in_array($items[$x]->access, $groups))
{
unset($items[$x]);
}
}
}
return $items;
}
}

Documentation generated on Tue, 19 Nov 2013 14:54:01 +0100 by phpDocumentor 1.4.3

Source for file articles.php