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<?php
/**
* @package Joomla.Site
* @subpackage com_content
*
* @copyright (C) 2009 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
defined('_JEXEC') or die;
use Joomla\Registry\Registry;
use Joomla\String\StringHelper;
use Joomla\Utilities\ArrayHelper;
JLoader::register('ContentHelperAssociation', JPATH_SITE . '/components/com_content/helpers/association.php');
/**
* This models supports retrieving lists of articles.
*
* @since 1.6
*/
class ContentModelArticles 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']))
{
$config['filter_fields'] = array(
'id', 'a.id',
'title', 'a.title',
'alias', 'a.alias',
'checked_out', 'a.checked_out',
'checked_out_time', 'a.checked_out_time',
'catid', 'a.catid', 'category_title',
'state', 'a.state',
'access', 'a.access', 'access_level',
'created', 'a.created',
'created_by', 'a.created_by',
'ordering', 'a.ordering',
'featured', 'a.featured',
'language', 'a.language',
'hits', 'a.hits',
'publish_up', 'a.publish_up',
'publish_down', 'a.publish_down',
'images', 'a.images',
'urls', 'a.urls',
'filter_tag',
);
}
parent::__construct($config);
}
/**
* Method to auto-populate the model state.
*
* This method should only be called once per instantiation and is designed
* to be called on the first call to the getState() method unless the model
* configuration flag to ignore the request is set.
*
* Note. Calling getState in this method will result in recursion.
*
* @param string $ordering An optional ordering field.
* @param string $direction An optional direction (asc|desc).
*
* @return void
*
* @since 3.0.1
*/
protected function populateState($ordering = 'ordering', $direction = 'ASC')
{
$app = JFactory::getApplication();
// List state information
$value = $app->input->get('limit', $app->get('list_limit', 0), 'uint');
$this->setState('list.limit', $value);
$value = $app->input->get('limitstart', 0, 'uint');
$this->setState('list.start', $value);
$value = $app->input->get('filter_tag', 0, 'uint');
$this->setState('filter.tag', $value);
$orderCol = $app->input->get('filter_order', 'a.ordering');
if (!in_array($orderCol, $this->filter_fields))
{
$orderCol = 'a.ordering';
}
$this->setState('list.ordering', $orderCol);
$listOrder = $app->input->get('filter_order_Dir', 'ASC');
if (!in_array(strtoupper($listOrder), array('ASC', 'DESC', '')))
{
$listOrder = 'ASC';
}
$this->setState('list.direction', $listOrder);
$params = $app->getParams();
$this->setState('params', $params);
$user = JFactory::getUser();
if ((!$user->authorise('core.edit.state', 'com_content')) && (!$user->authorise('core.edit', 'com_content')))
{
// Filter on published for those who do not have edit or edit.state rights.
$this->setState('filter.published', 1);
}
$this->setState('filter.language', JLanguageMultilang::isEnabled());
// Process show_noauth parameter
if ((!$params->get('show_noauth')) || (!JComponentHelper::getParams('com_content')->get('show_noauth')))
{
$this->setState('filter.access', true);
}
else
{
$this->setState('filter.access', false);
}
$this->setState('layout', $app->input->getString('layout'));
}
/**
* 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.
$id .= ':' . serialize($this->getState('filter.published'));
$id .= ':' . $this->getState('filter.access');
$id .= ':' . $this->getState('filter.featured');
$id .= ':' . serialize($this->getState('filter.article_id'));
$id .= ':' . $this->getState('filter.article_id.include');
$id .= ':' . serialize($this->getState('filter.category_id'));
$id .= ':' . $this->getState('filter.category_id.include');
$id .= ':' . serialize($this->getState('filter.author_id'));
$id .= ':' . $this->getState('filter.author_id.include');
$id .= ':' . serialize($this->getState('filter.author_alias'));
$id .= ':' . $this->getState('filter.author_alias.include');
$id .= ':' . $this->getState('filter.date_filtering');
$id .= ':' . $this->getState('filter.date_field');
$id .= ':' . $this->getState('filter.start_date_range');
$id .= ':' . $this->getState('filter.end_date_range');
$id .= ':' . $this->getState('filter.relative_date');
$id .= ':' . serialize($this->getState('filter.tag'));
return parent::getStoreId($id);
}
/**
* Get the master query for retrieving a list of articles subject to the model state.
*
* @return JDatabaseQuery
*
* @since 1.6
*/
protected function getListQuery()
{
// Get the current user for authorisation checks
$user = JFactory::getUser();
// 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.id, a.title, a.alias, a.introtext, a.fulltext, ' .
'a.checked_out, a.checked_out_time, ' .
'a.catid, a.created, a.created_by, a.created_by_alias, ' .
// Published/archived article in archive category is treats as archive article
// If category is not published then force 0
'CASE WHEN c.published = 2 AND a.state > 0 THEN 2 WHEN c.published != 1 THEN 0 ELSE a.state END as state,' .
// Use created if modified is 0
'CASE WHEN a.modified = ' . $db->quote($db->getNullDate()) . ' THEN a.created ELSE a.modified END as modified, ' .
'a.modified_by, uam.name as modified_by_name,' .
// Use created if publish_up is 0
'CASE WHEN a.publish_up = ' . $db->quote($db->getNullDate()) . ' THEN a.created ELSE a.publish_up END as publish_up,' .
'a.publish_down, a.images, a.urls, a.attribs, a.metadata, a.metakey, a.metadesc, a.access, ' .
'a.hits, a.xreference, a.featured, a.language, ' . ' ' . $query->length('a.fulltext') . ' AS readmore, a.ordering'
)
);
$query->from('#__content AS a');
$params = $this->getState('params');
$orderby_sec = $params->get('orderby_sec');
// Join over the frontpage articles if required.
if ($this->getState('filter.frontpage'))
{
if ($orderby_sec === 'front')
{
$query->select('fp.ordering');
$query->join('INNER', '#__content_frontpage AS fp ON fp.content_id = a.id');
}
else
{
$query->where('a.featured = 1');
}
}
elseif ($orderby_sec === 'front' || $this->getState('list.ordering') === 'fp.ordering')
{
$query->select('fp.ordering');
$query->join('LEFT', '#__content_frontpage AS fp ON fp.content_id = a.id');
}
// Join over the categories.
$query->select('c.title AS category_title, c.path AS category_route, c.access AS category_access, c.alias AS category_alias')
->select('c.published, c.published AS parents_published, c.lft')
->join('LEFT', '#__categories AS c ON c.id = a.catid');
// Join over the users for the author and modified_by names.
$query->select("CASE WHEN a.created_by_alias > ' ' THEN a.created_by_alias ELSE ua.name END AS author")
->select('ua.email AS author_email')
->join('LEFT', '#__users AS ua ON ua.id = a.created_by')
->join('LEFT', '#__users AS uam ON uam.id = a.modified_by');
// Join over the categories to get parent category titles
$query->select('parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias')
->join('LEFT', '#__categories as parent ON parent.id = c.parent_id');
if (JPluginHelper::isEnabled('content', 'vote'))
{
// Join on voting table
$query->select('COALESCE(NULLIF(ROUND(v.rating_sum / v.rating_count, 0), 0), 0) AS rating,
COALESCE(NULLIF(v.rating_count, 0), 0) as rating_count')
->join('LEFT', '#__content_rating AS v ON a.id = v.content_id');
}
// Filter by access level.
if ($this->getState('filter.access', true))
{
$groups = implode(',', $user->getAuthorisedViewLevels());
$query->where('a.access IN (' . $groups . ')')
->where('c.access IN (' . $groups . ')');
}
// Filter by published state
$published = $this->getState('filter.published');
if (is_numeric($published) && $published == 2)
{
/**
* If category is archived then article has to be published or archived.
* Or category is published then article has to be archived.
*/
$query->where('((c.published = 2 AND a.state > 0) OR (c.published = 1 AND a.state = 2))');
}
elseif (is_numeric($published))
{
// Category has to be published
$query->where('c.published = 1 AND a.state = ' . (int) $published);
}
elseif (is_array($published))
{
$published = ArrayHelper::toInteger($published);
$published = implode(',', $published);
// Category has to be published
$query->where('c.published = 1 AND a.state IN (' . $published . ')');
}
// Filter by featured state
$featured = $this->getState('filter.featured');
switch ($featured)
{
case 'hide':
$query->where('a.featured = 0');
break;
case 'only':
$query->where('a.featured = 1');
break;
case 'show':
default:
// Normally we do not discriminate between featured/unfeatured items.
break;
}
// Filter by a single or group of articles.
$articleId = $this->getState('filter.article_id');
if (is_numeric($articleId))
{
$type = $this->getState('filter.article_id.include', true) ? '= ' : '<> ';
$query->where('a.id ' . $type . (int) $articleId);
}
elseif (is_array($articleId))
{
$articleId = ArrayHelper::toInteger($articleId);
$articleId = implode(',', $articleId);
$type = $this->getState('filter.article_id.include', true) ? 'IN' : 'NOT IN';
$query->where('a.id ' . $type . ' (' . $articleId . ')');
}
// Filter by a single or group of categories
$categoryId = $this->getState('filter.category_id');
if (is_numeric($categoryId))
{
$type = $this->getState('filter.category_id.include', true) ? '= ' : '<> ';
// Add subcategory check
$includeSubcategories = $this->getState('filter.subcategories', false);
$categoryEquals = 'a.catid ' . $type . (int) $categoryId;
if ($includeSubcategories)
{
$levels = (int) $this->getState('filter.max_category_levels', '1');
// Create a subquery for the subcategory list
$subQuery = $db->getQuery(true)
->select('sub.id')
->from('#__categories as sub')
->join('INNER', '#__categories as this ON sub.lft > this.lft AND sub.rgt < this.rgt')
->where('this.id = ' . (int) $categoryId);
if ($levels >= 0)
{
$subQuery->where('sub.level <= this.level + ' . $levels);
}
// Add the subquery to the main query
$query->where('(' . $categoryEquals . ' OR a.catid IN (' . (string) $subQuery . '))');
}
else
{
$query->where($categoryEquals);
}
}
elseif (is_array($categoryId) && (count($categoryId) > 0))
{
$categoryId = ArrayHelper::toInteger($categoryId);
$categoryId = implode(',', $categoryId);
if (!empty($categoryId))
{
$type = $this->getState('filter.category_id.include', true) ? 'IN' : 'NOT IN';
$query->where('a.catid ' . $type . ' (' . $categoryId . ')');
}
}
// Filter by author
$authorId = $this->getState('filter.author_id');
$authorWhere = '';
if (is_numeric($authorId))
{
$type = $this->getState('filter.author_id.include', true) ? '= ' : '<> ';
$authorWhere = 'a.created_by ' . $type . (int) $authorId;
}
elseif (is_array($authorId))
{
$authorId = array_filter($authorId, 'is_numeric');
if ($authorId)
{
$authorId = implode(',', $authorId);
$type = $this->getState('filter.author_id.include', true) ? 'IN' : 'NOT IN';
$authorWhere = 'a.created_by ' . $type . ' (' . $authorId . ')';
}
}
// Filter by author alias
$authorAlias = $this->getState('filter.author_alias');
$authorAliasWhere = '';
if (is_string($authorAlias))
{
$type = $this->getState('filter.author_alias.include', true) ? '= ' : '<> ';
$authorAliasWhere = 'a.created_by_alias ' . $type . $db->quote($authorAlias);
}
elseif (is_array($authorAlias))
{
$first = current($authorAlias);
if (!empty($first))
{
foreach ($authorAlias as $key => $alias)
{
$authorAlias[$key] = $db->quote($alias);
}
$authorAlias = implode(',', $authorAlias);
if ($authorAlias)
{
$type = $this->getState('filter.author_alias.include', true) ? 'IN' : 'NOT IN';
$authorAliasWhere = 'a.created_by_alias ' . $type . ' (' . $authorAlias .
')';
}
}
}
if (!empty($authorWhere) && !empty($authorAliasWhere))
{
$query->where('(' . $authorWhere . ' OR ' . $authorAliasWhere . ')');
}
elseif (empty($authorWhere) && empty($authorAliasWhere))
{
// If both are empty we don't want to add to the query
}
else
{
// One of these is empty, the other is not so we just add both
$query->where($authorWhere . $authorAliasWhere);
}
// Define null and now dates
$nullDate = $db->quote($db->getNullDate());
$nowDate = $db->quote(JFactory::getDate()->toSql());
// Filter by start and end dates.
if ((!$user->authorise('core.edit.state', 'com_content')) && (!$user->authorise('core.edit', 'com_content')))
{
$query->where('(a.publish_up = ' . $nullDate . ' OR a.publish_up <= ' . $nowDate . ')')
->where('(a.publish_down = ' . $nullDate . ' OR a.publish_down >= ' . $nowDate . ')');
}
// Filter by Date Range or Relative Date
$dateFiltering = $this->getState('filter.date_filtering', 'off');
$dateField = $this->getState('filter.date_field', 'a.created');
switch ($dateFiltering)
{
case 'range':
$startDateRange = $db->quote($this->getState('filter.start_date_range', $nullDate));
$endDateRange = $db->quote($this->getState('filter.end_date_range', $nullDate));
$query->where(
'(' . $dateField . ' >= ' . $startDateRange . ' AND ' . $dateField .
' <= ' . $endDateRange . ')'
);
break;
case 'relative':
$relativeDate = (int) $this->getState('filter.relative_date', 0);
$query->where(
$dateField . ' >= ' . $query->dateAdd($nowDate, -1 * $relativeDate, 'DAY')
);
break;
case 'off':
default:
break;
}
// Process the filter for list views with user-entered filters
if (is_object($params) && ($params->get('filter_field') !== 'hide') && ($filter = $this->getState('list.filter')))
{
// Clean filter variable
$filter = StringHelper::strtolower($filter);
$monthFilter = $filter;
$hitsFilter = (int) $filter;
$filter = $db->quote('%' . $db->escape($filter, true) . '%', false);
switch ($params->get('filter_field'))
{
case 'author':
$query->where(
'LOWER( CASE WHEN a.created_by_alias > ' . $db->quote(' ') .
' THEN a.created_by_alias ELSE ua.name END ) LIKE ' . $filter . ' '
);
break;
case 'hits':
$query->where('a.hits >= ' . $hitsFilter . ' ');
break;
case 'month':
if ($monthFilter != '')
{
$query->where(
$db->quote(date("Y-m-d", strtotime($monthFilter)) . ' 00:00:00') . ' <= CASE WHEN a.publish_up = ' .
$db->quote($db->getNullDate()) . ' THEN a.created ELSE a.publish_up END'
);
$query->where(
$db->quote(date("Y-m-t", strtotime($monthFilter)) . ' 23:59:59') . ' >= CASE WHEN a.publish_up = ' .
$db->quote($db->getNullDate()) . ' THEN a.created ELSE a.publish_up END'
);
}
break;
case 'title':
default:
// Default to 'title' if parameter is not valid
$query->where('LOWER( a.title ) LIKE ' . $filter);
break;
}
}
// Filter by language
if ($this->getState('filter.language'))
{
$query->where('a.language IN (' . $db->quote(JFactory::getLanguage()->getTag()) . ',' . $db->quote('*') . ')');
}
// Filter by a single or group of tags.
$tagId = $this->getState('filter.tag');
if (is_array($tagId) && count($tagId) === 1)
{
$tagId = current($tagId);
}
if (is_array($tagId))
{
$tagId = implode(',', ArrayHelper::toInteger($tagId));
if ($tagId)
{
$subQuery = $db->getQuery(true)
->select('DISTINCT content_item_id')
->from($db->quoteName('#__contentitem_tag_map'))
->where('tag_id IN (' . $tagId . ')')
->where('type_alias = ' . $db->quote('com_content.article'));
$query->innerJoin('(' . (string) $subQuery . ') AS tagmap ON tagmap.content_item_id = a.id');
}
}
elseif ($tagId)
{
$query->innerJoin(
$db->quoteName('#__contentitem_tag_map', 'tagmap')
. ' ON tagmap.tag_id = ' . (int) $tagId
. ' AND tagmap.content_item_id = a.id'
. ' AND tagmap.type_alias = ' . $db->quote('com_content.article')
);
}
// Add the list ordering clause.
$query->order($this->getState('list.ordering', 'a.ordering') . ' ' . $this->getState('list.direction', 'ASC'));
return $query;
}
/**
* Method to get a list of articles.
*
* Overridden to inject convert the attribs field into a JParameter object.
*
* @return mixed An array of objects on success, false on failure.
*
* @since 1.6
*/
public function getItems()
{
$items = parent::getItems();
$user = JFactory::getUser();
$userId = $user->get('id');
$guest = $user->get('guest');
$groups = $user->getAuthorisedViewLevels();
$input = JFactory::getApplication()->input;
// Get the global params
$globalParams = JComponentHelper::getParams('com_content', true);
// Convert the parameter fields into objects.
foreach ($items as &$item)
{
$articleParams = new Registry($item->attribs);
// Unpack readmore and layout params
$item->alternative_readmore = $articleParams->get('alternative_readmore');
$item->layout = $articleParams->get('layout');
$item->params = clone $this->getState('params');
/**
* For blogs, article params override menu item params only if menu param = 'use_article'
* Otherwise, menu item params control the layout
* If menu item is 'use_article' and there is no article param, use global
*/
if (($input->getString('layout') === 'blog') || ($input->getString('view') === 'featured')
|| ($this->getState('params')->get('layout_type') === 'blog'))
{
// Create an array of just the params set to 'use_article'
$menuParamsArray = $this->getState('params')->toArray();
$articleArray = array();
foreach ($menuParamsArray as $key => $value)
{
if ($value === 'use_article')
{
// If the article has a value, use it
if ($articleParams->get($key) != '')
{
// Get the value from the article
$articleArray[$key] = $articleParams->get($key);
}
else
{
// Otherwise, use the global value
$articleArray[$key] = $globalParams->get($key);
}
}
}
// Merge the selected article params
if (count($articleArray) > 0)
{
$articleParams = new Registry($articleArray);
$item->params->merge($articleParams);
}
}
else
{
// For non-blog layouts, merge all of the article params
$item->params->merge($articleParams);
}
// Get display date
switch ($item->params->get('list_show_date'))
{
case 'modified':
$item->displayDate = $item->modified;
break;
case 'published':
$item->displayDate = ($item->publish_up == 0) ? $item->created : $item->publish_up;
break;
default:
case 'created':
$item->displayDate = $item->created;
break;
}
/**
* Compute the asset access permissions.
* Technically guest could edit an article, but lets not check that to improve performance a little.
*/
if (!$guest)
{
$asset = 'com_content.article.' . $item->id;
// Check general edit permission first.
if ($user->authorise('core.edit', $asset))
{
$item->params->set('access-edit', true);
}
// Now check if edit.own is available.
elseif (!empty($userId) && $user->authorise('core.edit.own', $asset))
{
// Check for a valid user and that they are the owner.
if ($userId == $item->created_by)
{
$item->params->set('access-edit', true);
}
}
}
$access = $this->getState('filter.access');
if ($access)
{
// If the access filter has been set, we already have only the articles this user can view.
$item->params->set('access-view', true);
}
else
{
// If no access filter is set, the layout takes some responsibility for display of limited information.
if ($item->catid == 0 || $item->category_access === null)
{
$item->params->set('access-view', in_array($item->access, $groups));
}
else
{
$item->params->set('access-view', in_array($item->access, $groups) && in_array($item->category_access, $groups));
}
}
// Some contexts may not use tags data at all, so we allow callers to disable loading tag data
if ($this->getState('load_tags', $item->params->get('show_tags', '1')))
{
$item->tags = new JHelperTags;
$item->tags->getItemTags('com_content.article', $item->id);
}
if ($item->params->get('show_associations'))
{
$item->associations = ContentHelperAssociation::displayAssociations($item->id);
}
}
return $items;
}
/**
* Method to get the starting number of items for the data set.
*
* @return integer The starting number of items available in the data set.
*
* @since 3.0.1
*/
public function getStart()
{
return $this->getState('list.start');
}
/**
* Count Items by Month
*
* @return mixed An array of objects on success, false on failure.
*
* @since 3.9.0
*/
public function countItemsByMonth()
{
// Create a new query object.
$db = $this->getDbo();
$query = $db->getQuery(true);
$query
->select('DATE(' .
$query->concatenate(
array(
$query->year($query->quoteName('publish_up')),
$query->quote('-'),
$query->month($query->quoteName('publish_up')),
$query->quote('-01')
)
) . ') as d'
)
->select('COUNT(*) as c')
->from('(' . $this->getListQuery() . ') as b')
->group($query->quoteName('d'))
->order($query->quoteName('d') . ' desc');
return $db->setQuery($query)->loadObjectList();
}
}