654 lines
20 KiB
PHP
654 lines
20 KiB
PHP
<?php
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/**
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* @package Joomla.Site
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* @subpackage com_content
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE.txt
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*/
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defined('_JEXEC') or die;
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/**
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* This models supports retrieving lists of articles.
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*
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* @package Joomla.Site
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* @subpackage com_content
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* @since 1.6
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*/
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class ContentModelArticles extends JModelList
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{
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/**
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* Constructor.
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*
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* @param array An optional associative array of configuration settings.
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* @see JController
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* @since 1.6
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*/
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public function __construct($config = array())
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{
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if (empty($config['filter_fields']))
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{
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$config['filter_fields'] = array(
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'id', 'a.id',
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'title', 'a.title',
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'alias', 'a.alias',
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'checked_out', 'a.checked_out',
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'checked_out_time', 'a.checked_out_time',
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'catid', 'a.catid', 'category_title',
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'state', 'a.state',
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'access', 'a.access', 'access_level',
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'created', 'a.created',
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'created_by', 'a.created_by',
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'ordering', 'a.ordering',
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'featured', 'a.featured',
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'language', 'a.language',
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'hits', 'a.hits',
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'publish_up', 'a.publish_up',
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'publish_down', 'a.publish_down',
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'images', 'a.images',
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'urls', 'a.urls',
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);
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}
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parent::__construct($config);
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}
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/**
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* Method to auto-populate the model state.
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*
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* Note. Calling getState in this method will result in recursion.
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*
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* @return void
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* @since 1.6
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*/
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protected function populateState($ordering = 'ordering', $direction = 'ASC')
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{
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$app = JFactory::getApplication();
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// List state information
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$value = $app->input->get('limit', $app->getCfg('list_limit', 0), 'uint');
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$this->setState('list.limit', $value);
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$value = $app->input->get('limitstart', 0, 'uint');
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$this->setState('list.start', $value);
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$orderCol = $app->input->get('filter_order', 'a.ordering');
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if (!in_array($orderCol, $this->filter_fields))
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{
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$orderCol = 'a.ordering';
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}
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$this->setState('list.ordering', $orderCol);
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$listOrder = $app->input->get('filter_order_Dir', 'ASC');
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if (!in_array(strtoupper($listOrder), array('ASC', 'DESC', '')))
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{
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$listOrder = 'ASC';
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}
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$this->setState('list.direction', $listOrder);
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$params = $app->getParams();
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$this->setState('params', $params);
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$user = JFactory::getUser();
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if ((!$user->authorise('core.edit.state', 'com_content')) && (!$user->authorise('core.edit', 'com_content')))
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{
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// filter on published for those who do not have edit or edit.state rights.
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$this->setState('filter.published', 1);
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}
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$this->setState('filter.language', JLanguageMultilang::isEnabled());
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// process show_noauth parameter
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if (!$params->get('show_noauth'))
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{
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$this->setState('filter.access', true);
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}
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else
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{
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$this->setState('filter.access', false);
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}
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$this->setState('layout', $app->input->get('layout'));
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}
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/**
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* Method to get a store id based on model configuration state.
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*
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* This is necessary because the model is used by the component and
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* different modules that might need different sets of data or different
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* ordering requirements.
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*
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* @param string $id A prefix for the store id.
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*
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* @return string A store id.
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* @since 1.6
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*/
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protected function getStoreId($id = '')
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{
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// Compile the store id.
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$id .= ':' . serialize($this->getState('filter.published'));
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$id .= ':' . $this->getState('filter.access');
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$id .= ':' . $this->getState('filter.featured');
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$id .= ':' . $this->getState('filter.article_id');
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$id .= ':' . $this->getState('filter.article_id.include');
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$id .= ':' . serialize($this->getState('filter.category_id'));
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$id .= ':' . $this->getState('filter.category_id.include');
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$id .= ':' . serialize($this->getState('filter.author_id'));
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$id .= ':' . $this->getState('filter.author_id.include');
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$id .= ':' . serialize($this->getState('filter.author_alias'));
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$id .= ':' . $this->getState('filter.author_alias.include');
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$id .= ':' . $this->getState('filter.date_filtering');
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$id .= ':' . $this->getState('filter.date_field');
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$id .= ':' . $this->getState('filter.start_date_range');
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$id .= ':' . $this->getState('filter.end_date_range');
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$id .= ':' . $this->getState('filter.relative_date');
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return parent::getStoreId($id);
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}
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/**
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* Get the master query for retrieving a list of articles subject to the model state.
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*
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* @return JDatabaseQuery
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* @since 1.6
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*/
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protected function getListQuery()
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{
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// Create a new query object.
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$db = $this->getDbo();
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$query = $db->getQuery(true);
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// Select the required fields from the table.
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$query->select(
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$this->getState(
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'list.select',
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'a.id, a.title, a.alias, a.introtext, ' .
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'a.checked_out, a.checked_out_time, ' .
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'a.catid, a.created, a.created_by, a.created_by_alias, ' .
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// use created if modified is 0
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'CASE WHEN a.modified = ' . $db->quote($db->getNullDate()) . ' THEN a.created ELSE a.modified END as modified, ' .
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'a.modified_by, uam.name as modified_by_name,' .
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// use created if publish_up is 0
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'CASE WHEN a.publish_up = ' . $db->quote($db->getNullDate()) . ' THEN a.created ELSE a.publish_up END as publish_up,' .
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'a.publish_down, a.images, a.urls, a.attribs, a.metadata, a.metakey, a.metadesc, a.access, ' .
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'a.hits, a.xreference, a.featured,' . ' ' . $query->length('a.fulltext') . ' AS readmore'
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)
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);
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// Process an Archived Article layout
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if ($this->getState('filter.published') == 2)
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{
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// If badcats is not null, this means that the article is inside an archived category
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// In this case, the state is set to 2 to indicate Archived (even if the article state is Published)
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$query->select($this->getState('list.select', 'CASE WHEN badcats.id is null THEN a.state ELSE 2 END AS state'));
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}
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else
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{
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// Process non-archived layout
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// If badcats is not null, this means that the article is inside an unpublished category
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// In this case, the state is set to 0 to indicate Unpublished (even if the article state is Published)
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$query->select($this->getState('list.select', 'CASE WHEN badcats.id is not null THEN 0 ELSE a.state END AS state'));
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}
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$query->from('#__content AS a');
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// Join over the frontpage articles.
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if ($this->context != 'com_content.featured')
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{
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$query->join('LEFT', '#__content_frontpage AS fp ON fp.content_id = a.id');
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}
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// Join over the categories.
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$query->select('c.title AS category_title, c.path AS category_route, c.access AS category_access, c.alias AS category_alias')
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->join('LEFT', '#__categories AS c ON c.id = a.catid');
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// Join over the users for the author and modified_by names.
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$query->select("CASE WHEN a.created_by_alias > ' ' THEN a.created_by_alias ELSE ua.name END AS author")
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->select("ua.email AS author_email")
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->join('LEFT', '#__users AS ua ON ua.id = a.created_by')
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->join('LEFT', '#__users AS uam ON uam.id = a.modified_by');
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// Get contact id
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$subQuery = $db->getQuery(true)
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->select('MAX(contact.id) AS id')
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->from('#__contact_details AS contact')
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->where('contact.published = 1')
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->where('contact.user_id = a.created_by');
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// Filter by language
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if ($this->getState('filter.language'))
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{
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$subQuery->where('(contact.language in (' . $db->quote(JFactory::getLanguage()->getTag()) . ',' . $db->quote('*') . ') OR contact.language IS NULL)');
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}
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$query->select('(' . $subQuery . ') as contactid');
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// Join over the categories to get parent category titles
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$query->select('parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias')
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->join('LEFT', '#__categories as parent ON parent.id = c.parent_id');
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// Join on voting table
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$query->select('ROUND(v.rating_sum / v.rating_count, 0) AS rating, v.rating_count as rating_count')
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->join('LEFT', '#__content_rating AS v ON a.id = v.content_id');
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// Join to check for category published state in parent categories up the tree
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$query->select('c.published, CASE WHEN badcats.id is null THEN c.published ELSE 0 END AS parents_published');
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$subquery = 'SELECT cat.id as id FROM #__categories AS cat JOIN #__categories AS parent ';
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$subquery .= 'ON cat.lft BETWEEN parent.lft AND parent.rgt ';
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$subquery .= 'WHERE parent.extension = ' . $db->quote('com_content');
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if ($this->getState('filter.published') == 2)
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{
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// Find any up-path categories that are archived
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// If any up-path categories are archived, include all children in archived layout
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$subquery .= ' AND parent.published = 2 GROUP BY cat.id ';
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// Set effective state to archived if up-path category is archived
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$publishedWhere = 'CASE WHEN badcats.id is null THEN a.state ELSE 2 END';
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}
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else
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{
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// Find any up-path categories that are not published
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// If all categories are published, badcats.id will be null, and we just use the article state
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$subquery .= ' AND parent.published != 1 GROUP BY cat.id ';
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// Select state to unpublished if up-path category is unpublished
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$publishedWhere = 'CASE WHEN badcats.id is null THEN a.state ELSE 0 END';
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}
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$query->join('LEFT OUTER', '(' . $subquery . ') AS badcats ON badcats.id = c.id');
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// Filter by access level.
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if ($access = $this->getState('filter.access'))
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{
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$user = JFactory::getUser();
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$groups = implode(',', $user->getAuthorisedViewLevels());
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$query->where('a.access IN (' . $groups . ')')
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->where('c.access IN (' . $groups . ')');
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}
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// Filter by published state
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$published = $this->getState('filter.published');
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if (is_numeric($published))
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{
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// Use article state if badcats.id is null, otherwise, force 0 for unpublished
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$query->where($publishedWhere . ' = ' . (int) $published);
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}
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elseif (is_array($published))
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{
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JArrayHelper::toInteger($published);
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$published = implode(',', $published);
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// Use article state if badcats.id is null, otherwise, force 0 for unpublished
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$query->where($publishedWhere . ' IN (' . $published . ')');
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}
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// Filter by featured state
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$featured = $this->getState('filter.featured');
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switch ($featured)
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{
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case 'hide':
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$query->where('a.featured = 0');
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break;
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case 'only':
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$query->where('a.featured = 1');
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break;
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case 'show':
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default:
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// Normally we do not discriminate
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// between featured/unfeatured items.
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break;
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}
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// Filter by a single or group of articles.
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$articleId = $this->getState('filter.article_id');
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if (is_numeric($articleId))
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{
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$type = $this->getState('filter.article_id.include', true) ? '= ' : '<> ';
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$query->where('a.id ' . $type . (int) $articleId);
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}
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elseif (is_array($articleId))
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{
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JArrayHelper::toInteger($articleId);
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$articleId = implode(',', $articleId);
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$type = $this->getState('filter.article_id.include', true) ? 'IN' : 'NOT IN';
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$query->where('a.id ' . $type . ' (' . $articleId . ')');
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}
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// Filter by a single or group of categories
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$categoryId = $this->getState('filter.category_id');
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if (is_numeric($categoryId))
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{
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$type = $this->getState('filter.category_id.include', true) ? '= ' : '<> ';
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// Add subcategory check
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$includeSubcategories = $this->getState('filter.subcategories', false);
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$categoryEquals = 'a.catid ' . $type . (int) $categoryId;
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if ($includeSubcategories)
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{
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$levels = (int) $this->getState('filter.max_category_levels', '1');
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// Create a subquery for the subcategory list
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$subQuery = $db->getQuery(true)
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->select('sub.id')
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->from('#__categories as sub')
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->join('INNER', '#__categories as this ON sub.lft > this.lft AND sub.rgt < this.rgt')
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->where('this.id = ' . (int) $categoryId);
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if ($levels >= 0)
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{
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$subQuery->where('sub.level <= this.level + ' . $levels);
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}
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// Add the subquery to the main query
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$query->where('(' . $categoryEquals . ' OR a.catid IN (' . $subQuery->__toString() . '))');
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}
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else
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{
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$query->where($categoryEquals);
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}
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}
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elseif (is_array($categoryId) && (count($categoryId) > 0))
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{
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JArrayHelper::toInteger($categoryId);
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$categoryId = implode(',', $categoryId);
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if (!empty($categoryId))
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{
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$type = $this->getState('filter.category_id.include', true) ? 'IN' : 'NOT IN';
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$query->where('a.catid ' . $type . ' (' . $categoryId . ')');
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}
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}
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// Filter by author
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$authorId = $this->getState('filter.author_id');
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$authorWhere = '';
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if (is_numeric($authorId))
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{
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$type = $this->getState('filter.author_id.include', true) ? '= ' : '<> ';
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$authorWhere = 'a.created_by ' . $type . (int) $authorId;
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}
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elseif (is_array($authorId))
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{
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JArrayHelper::toInteger($authorId);
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$authorId = implode(',', $authorId);
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if ($authorId)
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{
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$type = $this->getState('filter.author_id.include', true) ? 'IN' : 'NOT IN';
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$authorWhere = 'a.created_by ' . $type . ' (' . $authorId . ')';
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}
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}
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// Filter by author alias
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$authorAlias = $this->getState('filter.author_alias');
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$authorAliasWhere = '';
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if (is_string($authorAlias))
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{
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$type = $this->getState('filter.author_alias.include', true) ? '= ' : '<> ';
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$authorAliasWhere = 'a.created_by_alias ' . $type . $db->quote($authorAlias);
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}
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elseif (is_array($authorAlias))
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{
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$first = current($authorAlias);
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if (!empty($first))
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{
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JArrayHelper::toString($authorAlias);
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foreach ($authorAlias as $key => $alias)
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{
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$authorAlias[$key] = $db->quote($alias);
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}
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$authorAlias = implode(',', $authorAlias);
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if ($authorAlias)
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{
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$type = $this->getState('filter.author_alias.include', true) ? 'IN' : 'NOT IN';
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$authorAliasWhere = 'a.created_by_alias ' . $type . ' (' . $authorAlias .
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')';
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}
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}
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}
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if (!empty($authorWhere) && !empty($authorAliasWhere))
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{
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$query->where('(' . $authorWhere . ' OR ' . $authorAliasWhere . ')');
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}
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elseif (empty($authorWhere) && empty($authorAliasWhere))
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{
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// If both are empty we don't want to add to the query
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}
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else
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{
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// One of these is empty, the other is not so we just add both
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$query->where($authorWhere . $authorAliasWhere);
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}
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// Filter by start and end dates.
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$nullDate = $db->quote($db->getNullDate());
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$nowDate = $db->quote(JFactory::getDate()->toSql());
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$query->where('(a.publish_up = ' . $nullDate . ' OR a.publish_up <= ' . $nowDate . ')')
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->where('(a.publish_down = ' . $nullDate . ' OR a.publish_down >= ' . $nowDate . ')');
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// Filter by Date Range or Relative Date
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$dateFiltering = $this->getState('filter.date_filtering', 'off');
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$dateField = $this->getState('filter.date_field', 'a.created');
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switch ($dateFiltering)
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{
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case 'range':
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$startDateRange = $db->quote($this->getState('filter.start_date_range', $nullDate));
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$endDateRange = $db->quote($this->getState('filter.end_date_range', $nullDate));
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$query->where(
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'(' . $dateField . ' >= ' . $startDateRange . ' AND ' . $dateField .
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' <= ' . $endDateRange . ')'
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);
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break;
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case 'relative':
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$relativeDate = (int) $this->getState('filter.relative_date', 0);
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$query->where(
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$dateField . ' >= DATE_SUB(' . $nowDate . ', INTERVAL ' .
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$relativeDate . ' DAY)'
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);
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break;
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case 'off':
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default:
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break;
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}
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// process the filter for list views with user-entered filters
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$params = $this->getState('params');
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if ((is_object($params)) && ($params->get('filter_field') != 'hide') && ($filter = $this->getState('list.filter')))
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{
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// clean filter variable
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$filter = JString::strtolower($filter);
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$hitsFilter = (int) $filter;
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$filter = $db->quote('%' . $db->escape($filter, true) . '%', false);
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switch ($params->get('filter_field'))
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{
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case 'author':
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$query->where(
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'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 '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('*') . ')');
|
|
}
|
|
|
|
// 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.
|
|
*
|
|
* Overriden 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 JRegistry;
|
|
$articleParams->loadString($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 JRegistry;
|
|
$articleParams->loadArray($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));
|
|
}
|
|
}
|
|
|
|
// Get the tags
|
|
$item->tags = new JHelperTags;
|
|
$item->tags->getItemTags('com_content.article', $item->id);
|
|
}
|
|
|
|
return $items;
|
|
}
|
|
|
|
public function getStart()
|
|
{
|
|
return $this->getState('list.start');
|
|
}
|
|
}
|