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Path : /home/admin/public_html/old/administrator/components/com_installer/models/
Current File : /home/admin/public_html/old/administrator/components/com_installer/models/database.php
<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_installer
 *
 * @copyright   Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

use Joomla\Registry\Registry;

JLoader::register('InstallerModel', __DIR__ . '/extension.php');
JLoader::register('JoomlaInstallerScript', JPATH_ADMINISTRATOR . '/components/com_admin/script.php');

/**
 * Installer Manage Model
 *
 * @since  1.6
 */
class InstallerModelDatabase extends InstallerModel
{
	protected $_context = 'com_installer.discover';

	/**
	 * Method to auto-populate the model state.
	 *
	 * Note. Calling getState in this method will result in recursion.
	 *
	 * @param   string  $ordering   An optional ordering field.
	 * @param   string  $direction  An optional direction (asc|desc).
	 *
	 * @return  void
	 *
	 * @since   1.6
	 */
	protected function populateState($ordering = null, $direction = null)
	{
		$app = JFactory::getApplication();
		$this->setState('message', $app->getUserState('com_installer.message'));
		$this->setState('extension_message', $app->getUserState('com_installer.extension_message'));
		$app->setUserState('com_installer.message', '');
		$app->setUserState('com_installer.extension_message', '');
		parent::populateState('name', 'asc');
	}

	/**
	 * Fixes database problems.
	 *
	 * @return  void
	 */
	public function fix()
	{
		if (!$changeSet = $this->getItems())
		{
			return false;
		}

		$changeSet->fix();
		$this->fixSchemaVersion($changeSet);
		$this->fixUpdateVersion();
		$installer = new JoomlaInstallerScript;
		$installer->deleteUnexistingFiles();
		$this->fixDefaultTextFilters();
	}

	/**
	 * Gets the changeset object.
	 *
	 * @return  JSchemaChangeset
	 */
	public function getItems()
	{
		$folder = JPATH_ADMINISTRATOR . '/components/com_admin/sql/updates/';

		try
		{
			$changeSet = JSchemaChangeset::getInstance(JFactory::getDbo(), $folder);
		}
		catch (RuntimeException $e)
		{
			JFactory::getApplication()->enqueueMessage($e->getMessage(), 'warning');

			return false;
		}
		return $changeSet;
	}

	/**
	 * Method to get a JPagination object for the data set.
	 *
	 * @return  boolean
	 *
	 * @since   12.2
	 */
	public function getPagination()
	{
		return true;
	}

	/**
	 * Get version from #__schemas table.
	 *
	 * @return  mixed  the return value from the query, or null if the query fails.
	 *
	 * @throws Exception
	 */
	public function getSchemaVersion()
	{
		$db = JFactory::getDbo();
		$query = $db->getQuery(true)
			->select('version_id')
			->from($db->quoteName('#__schemas'))
			->where('extension_id = 700');
		$db->setQuery($query);
		$result = $db->loadResult();

		return $result;
	}

	/**
	 * Fix schema version if wrong.
	 *
	 * @param   JSchemaChangeSet  $changeSet  Schema change set.
	 *
	 * @return   mixed  string schema version if success, false if fail.
	 */
	public function fixSchemaVersion($changeSet)
	{
		// Get correct schema version -- last file in array.
		$schema = $changeSet->getSchema();
		$db = JFactory::getDbo();
		$result = false;

		// Check value. If ok, don't do update.
		$version = $this->getSchemaVersion();

		if ($version == $schema)
		{
			$result = $version;
		}
		else
		{
			// Delete old row.
			$query = $db->getQuery(true)
				->delete($db->quoteName('#__schemas'))
				->where($db->quoteName('extension_id') . ' = 700');
			$db->setQuery($query);
			$db->execute();

			// Add new row.
			$query->clear()
				->insert($db->quoteName('#__schemas'))
				->columns($db->quoteName('extension_id') . ',' . $db->quoteName('version_id'))
				->values('700, ' . $db->quote($schema));
			$db->setQuery($query);

			if ($db->execute())
			{
				$result = $schema;
			}
		}

		return $result;
	}

	/**
	 * Get current version from #__extensions table.
	 *
	 * @return  mixed   version if successful, false if fail.
	 */

	public function getUpdateVersion()
	{
		$table = JTable::getInstance('Extension');
		$table->load('700');
		$cache = new Registry($table->manifest_cache);

		return $cache->get('version');
	}

	/**
	 * Fix Joomla version in #__extensions table if wrong (doesn't equal JVersion short version).
	 *
	 * @return   mixed  string update version if success, false if fail.
	 */
	public function fixUpdateVersion()
	{
		$table = JTable::getInstance('Extension');
		$table->load('700');
		$cache = new Registry($table->manifest_cache);
		$updateVersion = $cache->get('version');
		$cmsVersion = new JVersion;

		if ($updateVersion == $cmsVersion->getShortVersion())
		{
			return $updateVersion;
		}
		else
		{
			$cache->set('version', $cmsVersion->getShortVersion());
			$table->manifest_cache = $cache->toString();

			if ($table->store())
			{
				return $cmsVersion->getShortVersion();
			}
			else
			{
				return false;
			}
		}
	}

	/**
	 * For version 2.5.x only
	 * Check if com_config parameters are blank.
	 *
	 * @return  string  default text filters (if any).
	 */
	public function getDefaultTextFilters()
	{
		$table = JTable::getInstance('Extension');
		$table->load($table->find(array('name' => 'com_config')));

		return $table->params;
	}

	/**
	 * For version 2.5.x only
	 * Check if com_config parameters are blank. If so, populate with com_content text filters.
	 *
	 * @return  mixed  boolean true if params are updated, null otherwise.
	 */
	public function fixDefaultTextFilters()
	{
		$table = JTable::getInstance('Extension');
		$table->load($table->find(array('name' => 'com_config')));

		// Check for empty $config and non-empty content filters.
		if (!$table->params)
		{
			// Get filters from com_content and store if you find them.
			$contentParams = JComponentHelper::getParams('com_content');

			if ($contentParams->get('filters'))
			{
				$newParams = new Registry;
				$newParams->set('filters', $contentParams->get('filters'));
				$table->params = (string) $newParams;
				$table->store();

				return true;
			}
		}
	}
}
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