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Name File: content.php

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<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Database
 *
 * @copyright   Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

jimport('joomla.database.tableasset');
jimport('joomla.database.table');

/**
 * Content table
 *
 * @package     Joomla.Platform
 * @subpackage  Table
 * @since       11.1
 */
class JTableContent extends JTable
{
	/**
	 * Constructor
	 *
	 * @param   JDatabase  &$db  A database connector object
	 *
	 * @since   11.1
	 */
	public function __construct(&$db)
	{
		parent::__construct('#__content', 'id', $db);
	}

	/**
	 * Method to compute the default name of the asset.
	 * The default name is in the form table_name.id
	 * where id is the value of the primary key of the table.
	 *
	 * @return  string
	 *
	 * @since   11.1
	 */
	protected function _getAssetName()
	{
		$k = $this->_tbl_key;
		return 'com_content.article.' . (int) $this->$k;
	}

	/**
	 * Method to return the title to use for the asset table.
	 *
	 * @return  string
	 *
	 * @since   11.1
	 */
	protected function _getAssetTitle()
	{
		return $this->title;
	}

	/**
	 * Method to get the parent asset id for the record
	 *
	 * @param   JTable   $table  A JTable object (optional) for the asset parent
	 * @param   integer  $id     The id (optional) of the content.
	 *
	 * @return  integer
	 *
	 * @since   11.1
	 */
	protected function _getAssetParentId($table = null, $id = null)
	{
		// Initialise variables.
		$assetId = null;

		// This is a article under a category.
		if ($this->catid)
		{
			// Build the query to get the asset id for the parent category.
			$query = $this->_db->getQuery(true);
			$query->select($this->_db->quoteName('asset_id'));
			$query->from($this->_db->quoteName('#__categories'));
			$query->where($this->_db->quoteName('id') . ' = ' . (int) $this->catid);

			// Get the asset id from the database.
			$this->_db->setQuery($query);
			if ($result = $this->_db->loadResult())
			{
				$assetId = (int) $result;
			}
		}

		// Return the asset id.
		if ($assetId)
		{
			return $assetId;
		}
		else
		{
			return parent::_getAssetParentId($table, $id);
		}
	}

	/**
	 * Overloaded bind function
	 *
	 * @param   array  $array   Named array
	 * @param   mixed  $ignore  An optional array or space separated list of properties
	 * to ignore while binding.
	 *
	 * @return  mixed  Null if operation was satisfactory, otherwise returns an error string
	 *
	 * @see     JTable::bind
	 * @since   11.1
	 */
	public function bind($array, $ignore = '')
	{
		// Search for the {readmore} tag and split the text up accordingly.
		if (isset($array['articletext']))
		{
			$pattern = '#<hr\s+id=("|\')system-readmore("|\')\s*\/*>#i';
			$tagPos = preg_match($pattern, $array['articletext']);

			if ($tagPos == 0)
			{
				$this->introtext = $array['articletext'];
				$this->fulltext = '';
			}
			else
			{
				list ($this->introtext, $this->fulltext) = preg_split($pattern, $array['articletext'], 2);
			}
		}

		if (isset($array['attribs']) && is_array($array['attribs']))
		{
			$registry = new JRegistry;
			$registry->loadArray($array['attribs']);
			$array['attribs'] = (string) $registry;
		}

		if (isset($array['metadata']) && is_array($array['metadata']))
		{
			$registry = new JRegistry;
			$registry->loadArray($array['metadata']);
			$array['metadata'] = (string) $registry;
		}

		// Bind the rules.
		if (isset($array['rules']) && is_array($array['rules']))
		{
			$rules = new JAccessRules($array['rules']);
			$this->setRules($rules);
		}

		return parent::bind($array, $ignore);
	}

	/**
	 * Overloaded check function
	 *
	 * @return  boolean  True on success, false on failure
	 *
	 * @see     JTable::check
	 * @since   11.1
	 */
	public function check()
	{
		if (trim($this->title) == '')
		{
			$this->setError(JText::_('COM_CONTENT_WARNING_PROVIDE_VALID_NAME'));
			return false;
		}

		if (trim($this->alias) == '')
		{
			$this->alias = $this->title;
		}

		$this->alias = JApplication::stringURLSafe($this->alias);

		if (trim(str_replace('-', '', $this->alias)) == '')
		{
			$this->alias = JFactory::getDate()->format('Y-m-d-H-i-s');
		}

		if (trim(str_replace('&nbsp;', '', $this->fulltext)) == '')
		{
			$this->fulltext = '';
		}

		if (trim($this->introtext) == '' && trim($this->fulltext) == '')
		{
			$this->setError(JText::_('JGLOBAL_ARTICLE_MUST_HAVE_TEXT'));
			return false;
		}

		// Check the publish down date is not earlier than publish up.
		if ($this->publish_down > $this->_db->getNullDate() && $this->publish_down < $this->publish_up)
		{
			$this->setError(JText::_('JGLOBAL_START_PUBLISH_AFTER_FINISH'));
			return false;
		}

		// Clean up keywords -- eliminate extra spaces between phrases
		// and cr (\r) and lf (\n) characters from string
		if (!empty($this->metakey))
		{
			// Only process if not empty
			$bad_characters = array("\n", "\r", "\"", "<", ">"); // array of characters to remove
			$after_clean = JString::str_ireplace($bad_characters, "", $this->metakey); // remove bad characters
			$keys = explode(',', $after_clean); // create array using commas as delimiter
			$clean_keys = array();

			foreach ($keys as $key)
			{
				if (trim($key))
				{
					// Ignore blank keywords
					$clean_keys[] = trim($key);
				}
			}
			$this->metakey = implode(", ", $clean_keys); // put array back together delimited by ", "
		}

		return true;
	}

	/**
	 * Overrides JTable::store to set modified data and user id.
	 *
	 * @param   boolean  $updateNulls  True to update fields even if they are null.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   11.1
	 */
	public function store($updateNulls = false)
	{
		$date = JFactory::getDate();
		$user = JFactory::getUser();

		if ($this->id)
		{
			// Existing item
			$this->modified = $date->toSql();
			$this->modified_by = $user->get('id');
		}
		else
		{
			// New article. An article created and created_by field can be set by the user,
			// so we don't touch either of these if they are set.
			if (!intval($this->created))
			{
				$this->created = $date->toSql();
			}

			if (empty($this->created_by))
			{
				$this->created_by = $user->get('id');
			}
		}
		// Verify that the alias is unique
		$table = JTable::getInstance('Content', 'JTable');
		if ($table->load(array('alias' => $this->alias, 'catid' => $this->catid)) && ($table->id != $this->id || $this->id == 0))
		{
			$this->setError(JText::_('JLIB_DATABASE_ERROR_ARTICLE_UNIQUE_ALIAS'));
			return false;
		}
		return parent::store($updateNulls);
	}

	/**
	 * Method to set the publishing state for a row or list of rows in the database
	 * table. The method respects checked out rows by other users and will attempt
	 * to checkin rows that it can after adjustments are made.
	 *
	 * @param   mixed    $pks     An optional array of primary key values to update.  If not set the instance property value is used.
	 * @param   integer  $state   The publishing state. eg. [0 = unpublished, 1 = published]
	 * @param   integer  $userId  The user id of the user performing the operation.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   11.1
	 */
	public function publish($pks = null, $state = 1, $userId = 0)
	{
		// Initialise variables.
		$k = $this->_tbl_key;

		// Sanitize input.
		JArrayHelper::toInteger($pks);
		$userId = (int) $userId;
		$state = (int) $state;

		// If there are no primary keys set check to see if the instance key is set.
		if (empty($pks))
		{
			if ($this->$k)
			{
				$pks = array($this->$k);
			}
			// Nothing to set publishing state on, return false.
			else
			{
				$this->setError(JText::_('JLIB_DATABASE_ERROR_NO_ROWS_SELECTED'));
				return false;
			}
		}

		// Build the WHERE clause for the primary keys.
		$where = $k . '=' . implode(' OR ' . $k . '=', $pks);

		// Determine if there is checkin support for the table.
		if (!property_exists($this, 'checked_out') || !property_exists($this, 'checked_out_time'))
		{
			$checkin = '';
		}
		else
		{
			$checkin = ' AND (checked_out = 0 OR checked_out = ' . (int) $userId . ')';
		}

		// Get the JDatabaseQuery object
		$query = $this->_db->getQuery(true);

		// Update the publishing state for rows with the given primary keys.
		$query->update($this->_db->quoteName($this->_tbl));
		$query->set($this->_db->quoteName('state') . ' = ' . (int) $state);
		$query->where('(' . $where . ')' . $checkin);
		$this->_db->setQuery($query);
		$this->_db->execute();

		// Check for a database error.
		if ($this->_db->getErrorNum())
		{
			$this->setError($this->_db->getErrorMsg());
			return false;
		}

		// If checkin is supported and all rows were adjusted, check them in.
		if ($checkin && (count($pks) == $this->_db->getAffectedRows()))
		{
			// Checkin the rows.
			foreach ($pks as $pk)
			{
				$this->checkin($pk);
			}
		}

		// If the JTable instance value is in the list of primary keys that were set, set the instance.
		if (in_array($this->$k, $pks))
		{
			$this->state = $state;
		}

		$this->setError('');

		return true;
	}

	/**
	 * Converts record to XML
	 *
	 * @param   boolean  $mapKeysToText  Map foreign keys to text values
	 *
	 * @return  string  Record in XML format
	 *
	 * @since   11.1
	 * @deprecated  12.1
	 * @codeCoverageIgnore
	 */
	public function toXML($mapKeysToText = false)
	{
		// Deprecation warning.
		JLog::add('JTableContent::toXML() is deprecated.', JLog::WARNING, 'deprecated');

		if ($mapKeysToText)
		{
			// Get the JDatabaseQuery object
			$query = $this->_db->getQuery(true);

			$query->select($this->_db->quoteName('name'));
			$query->from($this->_db->quoteName('#__categories'));
			$query->where($this->_db->quoteName('id') . ' = ' . (int) $this->catid);
			$this->_db->setQuery($query);
			$this->catid = $this->_db->loadResult();

			$query->clear();
			$query->select($this->_db->quoteName('name'));
			$query->from($this->_db->quoteName('#__users'));
			$query->where($this->_db->quoteName('id') . ' = ' . (int) $this->created_by);
			$this->_db->setQuery($query);
			$this->created_by = $this->_db->loadResult();
		}

		return parent::toXML($mapKeysToText);
	}
}