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编辑当前文件:/home2/sdektunc/public_html/administrator/components/com_content/src/Model/ArticlesModel.php

<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_content
 *
 * @copyright   (C) 2008 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\Component\Content\Administrator\Model;

\defined('_JEXEC') or die;

use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\Language\Associations;
use Joomla\CMS\MVC\Model\ListModel;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Table\Table;
use Joomla\Component\Content\Administrator\Extension\ContentComponent;
use Joomla\Database\ParameterType;
use Joomla\Registry\Registry;
use Joomla\Utilities\ArrayHelper;

/**
 * Methods supporting a list of article records.
 *
 * @since  1.6
 */
class ArticlesModel extends ListModel
{
	/**
	 * Constructor.
	 *
	 * @param   array  $config  An optional associative array of configuration settings.
	 *
	 * @since   1.6
	 * @see     \Joomla\CMS\MVC\Controller\BaseController
	 */
	public function __construct($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',
				'modified', 'a.modified',
				'created_by', 'a.created_by',
				'created_by_alias', 'a.created_by_alias',
				'ordering', 'a.ordering',
				'featured', 'a.featured',
				'featured_up', 'fp.featured_up',
				'featured_down', 'fp.featured_down',
				'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',
				'rating_count', 'rating',
				'stage', 'wa.stage_id',
				'ws.title'
			);

if (Associations::isEnabled())
			{
				$config['filter_fields'][] = 'association';
			}
		}

parent::__construct($config);
	}

/**
	 * Get the filter form
	 *
	 * @param   array    $data      data
	 * @param   boolean  $loadData  load current data
	 *
	 * @return  Form|null  The \JForm object or null if the form can't be found
	 *
	 * @since   3.2
	 */
	public function getFilterForm($data = array(), $loadData = true)
	{
		$form = parent::getFilterForm($data, $loadData);

$params = ComponentHelper::getParams('com_content');

if (!$params->get('workflow_enabled'))
		{
			$form->removeField('stage', 'filter');
		}
		else
		{
			$ordering = $form->getField('fullordering', 'list');

$ordering->addOption('JSTAGE_ASC', ['value' => 'ws.title ASC']);
			$ordering->addOption('JSTAGE_DESC', ['value' => 'ws.title DESC']);
		}

return $form;
	}

/**
	 * 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 = 'a.id', $direction = 'desc')
	{
		$app = Factory::getApplication();

$forcedLanguage = $app->input->get('forcedLanguage', '', 'cmd');

// Adjust the context to support modal layouts.
		if ($layout = $app->input->get('layout'))
		{
			$this->context .= '.' . $layout;
		}

// Adjust the context to support forced languages.
		if ($forcedLanguage)
		{
			$this->context .= '.' . $forcedLanguage;
		}

$search = $this->getUserStateFromRequest($this->context . '.filter.search', 'filter_search');
		$this->setState('filter.search', $search);

$featured = $this->getUserStateFromRequest($this->context . '.filter.featured', 'filter_featured', '');
		$this->setState('filter.featured', $featured);

$published = $this->getUserStateFromRequest($this->context . '.filter.published', 'filter_published', '');
		$this->setState('filter.published', $published);

$level = $this->getUserStateFromRequest($this->context . '.filter.level', 'filter_level');
		$this->setState('filter.level', $level);

$language = $this->getUserStateFromRequest($this->context . '.filter.language', 'filter_language', '');
		$this->setState('filter.language', $language);

$formSubmited = $app->input->post->get('form_submited');

// Gets the value of a user state variable and sets it in the session
		$this->getUserStateFromRequest($this->context . '.filter.access', 'filter_access');
		$this->getUserStateFromRequest($this->context . '.filter.author_id', 'filter_author_id');
		$this->getUserStateFromRequest($this->context . '.filter.category_id', 'filter_category_id');
		$this->getUserStateFromRequest($this->context . '.filter.tag', 'filter_tag', '');

if ($formSubmited)
		{
			$access = $app->input->post->get('access');
			$this->setState('filter.access', $access);

$authorId = $app->input->post->get('author_id');
			$this->setState('filter.author_id', $authorId);

$categoryId = $app->input->post->get('category_id');
			$this->setState('filter.category_id', $categoryId);

$tag = $app->input->post->get('tag');
			$this->setState('filter.tag', $tag);
		}

// List state information.
		parent::populateState($ordering, $direction);

// Force a language
		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');
		$id .= ':' . serialize($this->getState('filter.access'));
		$id .= ':' . $this->getState('filter.published');
		$id .= ':' . serialize($this->getState('filter.category_id'));
		$id .= ':' . serialize($this->getState('filter.author_id'));
		$id .= ':' . $this->getState('filter.language');
		$id .= ':' . serialize($this->getState('filter.tag'));

return parent::getStoreId($id);
	}

/**
	 * Build an SQL query to load the list data.
	 *
	 * @return  \Joomla\Database\DatabaseQuery
	 *
	 * @since   1.6
	 */
	protected function getListQuery()
	{
		// Create a new query object.
		$db    = $this->getDbo();
		$query = $db->getQuery(true);
		$user  = Factory::getUser();

$params = ComponentHelper::getParams('com_content');

// Select the required fields from the table.
		$query->select(
			$this->getState(
				'list.select',
				[
					$db->quoteName('a.id'),
					$db->quoteName('a.asset_id'),
					$db->quoteName('a.title'),
					$db->quoteName('a.alias'),
					$db->quoteName('a.checked_out'),
					$db->quoteName('a.checked_out_time'),
					$db->quoteName('a.catid'),
					$db->quoteName('a.state'),
					$db->quoteName('a.access'),
					$db->quoteName('a.created'),
					$db->quoteName('a.created_by'),
					$db->quoteName('a.created_by_alias'),
					$db->quoteName('a.modified'),
					$db->quoteName('a.ordering'),
					$db->quoteName('a.featured'),
					$db->quoteName('a.language'),
					$db->quoteName('a.hits'),
					$db->quoteName('a.publish_up'),
					$db->quoteName('a.publish_down'),
					$db->quoteName('a.introtext'),
					$db->quoteName('a.fulltext'),
					$db->quoteName('a.note'),
					$db->quoteName('a.images'),
					$db->quoteName('a.metakey'),
					$db->quoteName('a.metadesc'),
					$db->quoteName('a.metadata'),
					$db->quoteName('a.version'),
				]
			)
		)
			->select(
				[
					$db->quoteName('fp.featured_up'),
					$db->quoteName('fp.featured_down'),
					$db->quoteName('l.title', 'language_title'),
					$db->quoteName('l.image', 'language_image'),
					$db->quoteName('uc.name', 'editor'),
					$db->quoteName('ag.title', 'access_level'),
					$db->quoteName('c.title', 'category_title'),
					$db->quoteName('c.created_user_id', 'category_uid'),
					$db->quoteName('c.level', 'category_level'),
					$db->quoteName('parent.title', 'parent_category_title'),
					$db->quoteName('parent.id', 'parent_category_id'),
					$db->quoteName('parent.created_user_id', 'parent_category_uid'),
					$db->quoteName('parent.level', 'parent_category_level'),
					$db->quoteName('ua.name', 'author_name'),
					$db->quoteName('wa.stage_id', 'stage_id'),
					$db->quoteName('ws.title', 'stage_title'),
					$db->quoteName('ws.workflow_id', 'workflow_id'),
					$db->quoteName('w.title', 'workflow_title'),
				]
			)
			->from($db->quoteName('#__content', 'a'))
			->where($db->quoteName('wa.extension') . ' = ' . $db->quote('com_content.article'))
			->join('LEFT', $db->quoteName('#__languages', 'l'), $db->quoteName('l.lang_code') . ' = ' . $db->quoteName('a.language'))
			->join('LEFT', $db->quoteName('#__content_frontpage', 'fp'), $db->quoteName('fp.content_id') . ' = ' . $db->quoteName('a.id'))
			->join('LEFT', $db->quoteName('#__users', 'uc'), $db->quoteName('uc.id') . ' = ' . $db->quoteName('a.checked_out'))
			->join('LEFT', $db->quoteName('#__viewlevels', 'ag'), $db->quoteName('ag.id') . ' = ' . $db->quoteName('a.access'))
			->join('LEFT', $db->quoteName('#__categories', 'c'), $db->quoteName('c.id') . ' = ' . $db->quoteName('a.catid'))
			->join('LEFT', $db->quoteName('#__categories', 'parent'), $db->quoteName('parent.id') . ' = ' . $db->quoteName('c.parent_id'))
			->join('LEFT', $db->quoteName('#__users', 'ua'), $db->quoteName('ua.id') . ' = ' . $db->quoteName('a.created_by'))
			->join('INNER', $db->quoteName('#__workflow_associations', 'wa'), $db->quoteName('wa.item_id') . ' = ' . $db->quoteName('a.id'))
			->join('INNER', $db->quoteName('#__workflow_stages', 'ws'), $db->quoteName('ws.id') . ' = ' . $db->quoteName('wa.stage_id'))
			->join('INNER', $db->quoteName('#__workflows', 'w'), $db->quoteName('w.id') . ' = ' . $db->quoteName('ws.workflow_id'));

if (PluginHelper::isEnabled('content', 'vote'))
		{
			$query->select(
				[
					'COALESCE(NULLIF(ROUND(' . $db->quoteName('v.rating_sum') . ' / ' . $db->quoteName('v.rating_count') . ', 0), 0), 0)'
						. ' AS ' . $db->quoteName('rating'),
					'COALESCE(NULLIF(' . $db->quoteName('v.rating_count') . ', 0), 0) AS ' . $db->quoteName('rating_count'),
				]
			)
				->join('LEFT', $db->quoteName('#__content_rating', 'v'), $db->quoteName('a.id') . ' = ' . $db->quoteName('v.content_id'));
		}

// Join over the associations.
		if (Associations::isEnabled())
		{
			$subQuery = $db->getQuery(true)
				->select('COUNT(' . $db->quoteName('asso1.id') . ') > 1')
				->from($db->quoteName('#__associations', 'asso1'))
				->join('INNER', $db->quoteName('#__associations', 'asso2'), $db->quoteName('asso1.key') . ' = ' . $db->quoteName('asso2.key'))
				->where(
					[
						$db->quoteName('asso1.id') . ' = ' . $db->quoteName('a.id'),
						$db->quoteName('asso1.context') . ' = ' . $db->quote('com_content.item'),
					]
				);

$query->select('(' . $subQuery . ') AS ' . $db->quoteName('association'));
		}

// Filter by access level.
		$access = $this->getState('filter.access');

if (is_numeric($access))
		{
			$access = (int) $access;
			$query->where($db->quoteName('a.access') . ' = :access')
				->bind(':access', $access, ParameterType::INTEGER);
		}
		elseif (is_array($access))
		{
			$access = ArrayHelper::toInteger($access);
			$query->whereIn($db->quoteName('a.access'), $access);
		}

// Filter by featured.
		$featured = (string) $this->getState('filter.featured');

if (in_array($featured, ['0','1']))
		{
			$featured = (int) $featured;
			$query->where($db->quoteName('a.featured') . ' = :featured')
				->bind(':featured', $featured, ParameterType::INTEGER);
		}

// Filter by access level on categories.
		if (!$user->authorise('core.admin'))
		{
			$groups = $user->getAuthorisedViewLevels();
			$query->whereIn($db->quoteName('a.access'), $groups);
			$query->whereIn($db->quoteName('c.access'), $groups);
		}

// Filter by published state
		$workflowStage = (string) $this->getState('filter.stage');

if ($params->get('workflow_enabled') && is_numeric($workflowStage))
		{
			$workflowStage = (int) $workflowStage;
			$query->where($db->quoteName('wa.stage_id') . ' = :stage')
				->bind(':stage', $workflowStage, ParameterType::INTEGER);
		}

$published = (string) $this->getState('filter.published');

if ($published !== '*')
		{
			if (is_numeric($published))
			{
				$state = (int) $published;
				$query->where($db->quoteName('a.state') . ' = :state')
					->bind(':state', $state, ParameterType::INTEGER);
			}
			elseif (!is_numeric($workflowStage))
			{
				$query->whereIn(
					$db->quoteName('a.state'),
					[
						ContentComponent::CONDITION_PUBLISHED,
						ContentComponent::CONDITION_UNPUBLISHED,
					]
				);
			}
		}

// Filter by categories and by level
		$categoryId = $this->getState('filter.category_id', array());
		$level      = (int) $this->getState('filter.level');

if (!is_array($categoryId))
		{
			$categoryId = $categoryId ? array($categoryId) : array();
		}

// Case: Using both categories filter and by level filter
		if (count($categoryId))
		{
			$categoryId = ArrayHelper::toInteger($categoryId);
			$categoryTable = Table::getInstance('Category', 'JTable');
			$subCatItemsWhere = array();

foreach ($categoryId as $key => $filter_catid)
			{
				$categoryTable->load($filter_catid);

// Because values to $query->bind() are passed by reference, using $query->bindArray() here instead to prevent overwriting.
				$valuesToBind = [$categoryTable->lft, $categoryTable->rgt];

if ($level)
				{
					$valuesToBind[] = $level + $categoryTable->level - 1;
				}

// Bind values and get parameter names.
				$bounded = $query->bindArray($valuesToBind);

$categoryWhere = $db->quoteName('c.lft') . ' >= ' . $bounded[0] . ' AND ' . $db->quoteName('c.rgt') . ' <= ' . $bounded[1];

if ($level)
				{
					$categoryWhere .= ' AND ' . $db->quoteName('c.level') . ' <= ' . $bounded[2];
				}

$subCatItemsWhere[] = '(' . $categoryWhere . ')';
			}

$query->where('(' . implode(' OR ', $subCatItemsWhere) . ')');
		}

// Case: Using only the by level filter
		elseif ($level = (int) $level)
		{
			$query->where($db->quoteName('c.level') . ' <= :level')
				->bind(':level', $level, ParameterType::INTEGER);
		}

// Filter by author
		$authorId = $this->getState('filter.author_id');

if (is_numeric($authorId))
		{
			$authorId = (int) $authorId;
			$type = $this->getState('filter.author_id.include', true) ? ' = ' : ' <> ';
			$query->where($db->quoteName('a.created_by') . $type . ':authorId')
				->bind(':authorId', $authorId, ParameterType::INTEGER);
		}
		elseif (is_array($authorId))
		{
			$authorId = ArrayHelper::toInteger($authorId);
			$query->whereIn($db->quoteName('a.created_by'), $authorId);
		}

// Filter by search in title.
		$search = $this->getState('filter.search');

if (!empty($search))
		{
			if (stripos($search, 'id:') === 0)
			{
				$search = (int) substr($search, 3);
				$query->where($db->quoteName('a.id') . ' = :search')
					->bind(':search', $search, ParameterType::INTEGER);
			}
			elseif (stripos($search, 'author:') === 0)
			{
				$search = '%' . substr($search, 7) . '%';
				$query->where('(' . $db->quoteName('ua.name') . ' LIKE :search1 OR ' . $db->quoteName('ua.username') . ' LIKE :search2)')
					->bind([':search1', ':search2'], $search);
			}
			elseif (stripos($search, 'content:') === 0)
			{
				$search = '%' . substr($search, 8) . '%';
				$query->where('(' . $db->quoteName('a.introtext') . ' LIKE :search1 OR ' . $db->quoteName('a.fulltext') . ' LIKE :search2)')
					->bind([':search1', ':search2'], $search);
			}
			else
			{
				$search = '%' . str_replace(' ', '%', trim($search)) . '%';
				$query->where(
					'(' . $db->quoteName('a.title') . ' LIKE :search1 OR ' . $db->quoteName('a.alias') . ' LIKE :search2'
						. ' OR ' . $db->quoteName('a.note') . ' LIKE :search3)'
				)
					->bind([':search1', ':search2', ':search3'], $search);
			}
		}

// Filter on the language.
		if ($language = $this->getState('filter.language'))
		{
			$query->where($db->quoteName('a.language') . ' = :language')
				->bind(':language', $language);
		}

// Filter by a single or group of tags.
		$tag = $this->getState('filter.tag');

// Run simplified query when filtering by one tag.
		if (\is_array($tag) && \count($tag) === 1)
		{
			$tag = $tag[0];
		}

if ($tag && \is_array($tag))
		{
			$tag = ArrayHelper::toInteger($tag);

$subQuery = $db->getQuery(true)
				->select('DISTINCT ' . $db->quoteName('content_item_id'))
				->from($db->quoteName('#__contentitem_tag_map'))
				->where(
					[
						$db->quoteName('tag_id') . ' IN (' . implode(',', $query->bindArray($tag)) . ')',
						$db->quoteName('type_alias') . ' = ' . $db->quote('com_content.article'),
					]
				);

$query->join(
				'INNER',
				'(' . $subQuery . ') AS ' . $db->quoteName('tagmap'),
				$db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id')
			);
		}
		elseif ($tag = (int) $tag)
		{
			$query->join(
				'INNER',
				$db->quoteName('#__contentitem_tag_map', 'tagmap'),
				$db->quoteName('tagmap.content_item_id') . ' = ' . $db->quoteName('a.id')
			)
				->where(
					[
						$db->quoteName('tagmap.tag_id') . ' = :tag',
						$db->quoteName('tagmap.type_alias') . ' = ' . $db->quote('com_content.article'),
					]
				)
				->bind(':tag', $tag, ParameterType::INTEGER);
		}

// Add the list ordering clause.
		$orderCol  = $this->state->get('list.ordering', 'a.id');
		$orderDirn = $this->state->get('list.direction', 'DESC');

if ($orderCol === 'a.ordering' || $orderCol === 'category_title')
		{
			$ordering = [
				$db->quoteName('c.title') . ' ' . $db->escape($orderDirn),
				$db->quoteName('a.ordering') . ' ' . $db->escape($orderDirn),
			];
		}
		else
		{
			$ordering = $db->escape($orderCol) . ' ' . $db->escape($orderDirn);
		}

$query->order($ordering);

return $query;
	}

/**
	 * Method to get all transitions at once for all articles
	 *
	 * @return  array|boolean
	 *
	 * @since   4.0.0
	 */
	public function getTransitions()
	{
		// Get a storage key.
		$store = $this->getStoreId('getTransitions');

// Try to load the data from internal storage.
		if (isset($this->cache[$store]))
		{
			return $this->cache[$store];
		}

$db   = $this->getDbo();
		$user = Factory::getUser();

$items = $this->getItems();

if ($items === false)
		{
			return false;
		}

$stage_ids = ArrayHelper::getColumn($items, 'stage_id');
		$stage_ids = ArrayHelper::toInteger($stage_ids);
		$stage_ids = array_values(array_unique(array_filter($stage_ids)));

$workflow_ids = ArrayHelper::getColumn($items, 'workflow_id');
		$workflow_ids = ArrayHelper::toInteger($workflow_ids);
		$workflow_ids = array_values(array_unique(array_filter($workflow_ids)));

$this->cache[$store] = array();

try
		{
			if (count($stage_ids) || count($workflow_ids))
			{
				Factory::getLanguage()->load('com_workflow', JPATH_ADMINISTRATOR);

$query = $db->getQuery(true);

$query	->select(
					[
						$db->quoteName('t.id', 'value'),
						$db->quoteName('t.title', 'text'),
						$db->quoteName('t.from_stage_id'),
						$db->quoteName('t.to_stage_id'),
						$db->quoteName('s.id', 'stage_id'),
						$db->quoteName('s.title', 'stage_title'),
						$db->quoteName('t.workflow_id'),
					]
				)
					->from($db->quoteName('#__workflow_transitions', 't'))
					->innerJoin(
						$db->quoteName('#__workflow_stages', 's'),
						$db->quoteName('t.to_stage_id') . ' = ' . $db->quoteName('s.id')
					)
					->where(
						[
							$db->quoteName('t.published') . ' = 1',
							$db->quoteName('s.published') . ' = 1',
						]
					)
					->order($db->quoteName('t.ordering'));

$where = [];

if (count($stage_ids))
				{
					$where[] = $db->quoteName('t.from_stage_id') . ' IN (' . implode(',', $query->bindArray($stage_ids)) . ')';
				}

if (count($workflow_ids))
				{
					$where[] = '(' . $db->quoteName('t.from_stage_id') . ' = -1 AND ' . $db->quoteName('t.workflow_id') . ' IN (' . implode(',', $query->bindArray($workflow_ids)) . '))';
				}

$query->where('((' . implode(') OR (', $where) . '))');

$transitions = $db->setQuery($query)->loadAssocList();

foreach ($transitions as $key => $transition)
				{
					if (!$user->authorise('core.execute.transition', 'com_content.transition.' . (int) $transition['value']))
					{
						unset($transitions[$key]);
					}
				}

$this->cache[$store] = $transitions;
			}
		}
		catch (\RuntimeException $e)
		{
			$this->setError($e->getMessage());

return false;
		}

return $this->cache[$store];
	}

/**
	 * Method to get a list of articles.
	 * Overridden to add item type alias.
	 *
	 * @return  mixed  An array of data items on success, false on failure.
	 *
	 * @since   4.0.0
	 */
	public function getItems()
	{
		$items = parent::getItems();

foreach ($items as $item)
		{
			$item->typeAlias = 'com_content.article';

if (isset($item->metadata))
			{
				$registry = new Registry($item->metadata);
				$item->metadata = $registry->toArray();
			}
		}

return $items;
	}
}