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<?php
/**
 * @package J2Store
 * @copyright Copyright (c)2014-17 Ramesh Elamathi / J2Store.org
 * @license GNU GPL v3 or later
 */
/** ensure this file is being included by a parent file */
defined('_JEXEC') or die('Restricted access');

require_once JPATH_ADMINISTRATOR . '/components/com_finder/helpers/indexer/adapter.php';

/**
 * Smart Search adapter for com_j2store.
 *
 * @package     Joomla.Plugin
 * @subpackage  Finder.Content
 * @since       2.5
 */
class PlgFinderJ2Store extends FinderIndexerAdapter
{
	/**
	 * The plugin identifier.
	 *
	 * @var    string
	 * @since  2.5
	 */
	protected $context = 'J2Store';

/**
	 * The extension name.
	 *
	 * @var    string
	 * @since  2.5
	 */
	protected $extension = 'com_j2store';

/**
	 * The sublayout to use when rendering the results.
	 *
	 * @var    string
	 * @since  2.5
	 */
	protected $layout = 'products';
	protected $task = 'view';

/**
	 * The type of content that the adapter indexes.
	 *
	 * @var    string
	 * @since  2.5
	 */
	protected $type_title = 'J2Store Products';

/**
	 * The table name.
	 *
	 * @var    string
	 * @since  2.5
	 */
	protected $table = '#__content';

/**
	 * Load the language file on instantiation.
	 *
	 * @var    boolean
	 * @since  3.1
	 */
	protected $autoloadLanguage = true;

/**
	 * Method to update the item link information when the item category is
	 * changed. This is fired when the item category is published or unpublished
	 * from the list view.
	 *
	 * @param   string   $extension  The extension whose category has been updated.
	 * @param   array    $pks        A list of primary key ids of the content that has changed state.
	 * @param   integer  $value      The value of the state that the content has been changed to.
	 *
	 * @return  void
	 *
	 * @since   2.5
	 */
	public function onFinderCategoryChangeState($extension, $pks, $value)
	{
		// Make sure we're handling com_j2store categories.
		if ($extension == 'com_j2store')
		{
			$this->categoryStateChange($pks, $value);
		}
	}

/**
	 * Method to update index data on category access level changes
	 *
	 * @param   array    $pks    A list of primary key ids of the content that has changed state.
	 * @param   integer  $value  The value of the state that the content has been changed to.
	 *
	 * @return  void
	 *
	 * @since   2.5
	 */
	protected function categoryStateChange($pks, $value)
	{
		/*
		 * The item's published state is tied to the category
		* published state so we need to look up all published states
		* before we change anything.
		*/
		foreach ($pks as $pk)
		{
			$query = clone($this->getStateQuery());
			$query->where('c.id = ' . (int) $pk);
			$query->select('#__j2store_products.*');
			$query->join('INNER', '#__j2store_products ON #__j2store_products.product_source='.$db->q('com_content').' AND #__j2store_products.product_source_id = c.id AND #__j2store_products.enabled=1');
			// Get the published states.
			$this->db->setQuery($query);
			$items = $this->db->loadObjectList();

// Adjust the state for each item within the category.
			foreach ($items as $item)
			{
				// Translate the state.
				$temp = $this->translateState($item->state, $value);

// Update the item.
				$this->change($item->j2store_product_id, 'state', $temp);

//$this->reindex($item->id);
				// Reindex the item
				$this->reindex($item->j2store_product_id);
			}
		}
	}

/**
	 * Method to change the value of a content item's property in the links
	 * table. This is used to synchronize published and access states that
	 * are changed when not editing an item directly.
	 *
	 * @param   string   $id        The ID of the item to change.
	 * @param   string   $property  The property that is being changed.
	 * @param   integer  $value     The new value of that property.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   2.5
	 * @throws    Exception on database error.
	 */
	protected function change($id, $property, $value)
	{
		// Check for a property we know how to handle.
		if ($property !== 'state' && $property !== 'access')
		{
			return true;
		}

// Get the url for the content id.
		$item = $this->db->quote($this->getUrl($id, $this->extension, $this->layout));

// Update the content items.
		$query = $this->db->getQuery(true)
		->update($this->db->quoteName('#__finder_links'))
		->set($this->db->quoteName($property) . ' = ' . (int) $value)
		->where($this->db->quoteName('url') . ' = ' . $item);
		$this->db->setQuery($query);
		$this->db->execute();

return true;
	}

/**
	 * Method to remove the link information for items that have been deleted.
	 *
	 * @param   string  $context  The context of the action being performed.
	 * @param   JTable  $table    A JTable object containing the record to be deleted
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   2.5
	 * @throws  Exception on database error.
	 */
	public function onFinderAfterDelete($context, $table)
	{
		if ($context == 'com_j2store.product')
		{
			$id = $table->id;
		}
		elseif ($context == 'com_finder.index')
		{
			$id = $table->link_id;
		}
		else
		{
			return true;
		}

// Remove item from the index.
		return $this->remove($id);
	}

/**
	 * Smart Search after save content method.
	 * Reindexes the link information for an article that has been saved.
	 * It also makes adjustments if the access level of an item or the
	 * category to which it belongs has changed.
	 *
	 * @param   string   $context  The context of the content passed to the plugin.
	 * @param   JTable   $row      A JTable object.
	 * @param   boolean  $isNew    True if the content has just been created.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   2.5
	 * @throws  Exception on database error.
	 */
	public function onFinderAfterSave($context, $row, $isNew)
	{
		// We only want to handle articles here.
		if ($context == 'com_j2store.article' || $context == 'com_j2store.product')
		{
			// Check if the access levels are different.
			if (!$isNew && $this->old_access != $row->access)
			{
				// Process the change.
				$this->itemAccessChange($row);
			}

// Reindex the item.
			$this->reindex($row->id);
		}

// Check for access changes in the category.
		if ($context == 'com_categories.category')
		{
			// Check if the access levels are different.
			if (!$isNew && $this->old_cataccess != $row->access)
			{
				$this->categoryAccessChange($row);
			}
		}

return true;
	}

/**
	 * Smart Search before content save method.
	 * This event is fired before the data is actually saved.
	 *
	 * @param   string   $context  The context of the content passed to the plugin.
	 * @param   JTable   $row      A JTable object.
	 * @param   boolean  $isNew    If the content is just about to be created.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   2.5
	 * @throws  Exception on database error.
	 */
	public function onFinderBeforeSave($context, $row, $isNew)
	{
		// We only want to handle articles here.
		if ($context == 'com_j2store.article' || $context == 'com_j2store.product')
		{
			// Query the database for the old access level if the item isn't new.
			if (!$isNew)
			{
				$this->checkItemAccess($row);
			}
		}

// Check for access levels from the category.
		if ($context == 'com_categories.category')
		{
			// Query the database for the old access level if the item isn't new.
			if (!$isNew)
			{
				$this->checkCategoryAccess($row);
			}
		}

return true;
	}

/**
	 * Method to update the link information for items that have been changed
	 * from outside the edit screen. This is fired when the item is published,
	 * unpublished, archived, or unarchived from the list view.
	 *
	 * @param   string   $context  The context for the content passed to the plugin.
	 * @param   array    $pks      An array of primary key ids of the content that has changed state.
	 * @param   integer  $value    The value of the state that the content has been changed to.
	 *
	 * @return  void
	 *
	 * @since   2.5
	 */
	public function onFinderChangeState($context, $pks, $value)
	{
		// We only want to handle articles here.
		if ($context == 'com_j2store.article' || $context == 'com_j2store.product' )
		{
			$this->itemStateChange($pks, $value);
		}

// Handle when the plugin is disabled.
		if ($context == 'com_plugins.plugin' && $value === 0)
		{
			$this->pluginDisable($pks);
		}
	}

/**
	 * Method to get the page title of any menu item that is linked to the
	 * content item, if it exists and is set.
	 *
	 * @param   string  $url  The url of the item.
	 *
	 * @return  mixed  The title on success, null if not found.
	 *
	 * @since   2.5
	 * @throws  Exception on database error.
	 */
	protected function getItemMenuTitle($url)
	{
		$return = null;

// Set variables
		$user = JFactory::getUser();
		$groups = implode(',', $user->getAuthorisedViewLevels());

// Build a query to get the menu params.
		$query = $this->db->getQuery(true)
		->select($this->db->quoteName('params'))
		->from($this->db->quoteName('#__menu'))
		->where($this->db->quoteName('link') . ' = ' . $this->db->quote($url))
		->where($this->db->quoteName('published') . ' = 1')
		->where($this->db->quoteName('access') . ' IN (' . $groups . ')');

// Get the menu params from the database.
		$this->db->setQuery($query);
		$params = $this->db->loadResult();

// Check the results.
		if (empty($params))
		{
			return $return;
		}

// Instantiate the params.
		$params = json_decode($params);

// Get the page title if it is set.
		if ($params->page_title)
		{
			$return = $params->page_title;
		}

return $return;
	}
	/**
	 * Method to index an item. The item must be a FinderIndexerResult object.
	 *
	 * @param   FinderIndexerResult  $item    The item to index as an FinderIndexerResult object.
	 * @param   string               $format  The item format.  Not used.
	 *
	 * @return  void
	 *
	 * @since   2.5
	 * @throws  Exception on database error.
	 */
	protected function index(FinderIndexerResult $item, $format = 'html')
	{
		$item->setLanguage();
		// Check if the extension is enabled.
		if (JComponentHelper::isEnabled($this->extension) == false)
		{
			return;
		}

// Initialise the item parameters.
		$registry = new JRegistry;
		$registry->loadString($item->params);
		$item->params = JComponentHelper::getParams('com_j2store', true);
		$item->params->merge($registry);

$registry = new JRegistry;
		$registry->loadString($item->metadata);
		$item->metadata = $registry;

// Trigger the onContentPrepare event.
		$item->summary = FinderIndexerHelper::prepareContent($item->summary, $item->params);
		$item->body = FinderIndexerHelper::prepareContent($item->body, $item->params);

//let us get the redirect choice
		if($this->params->get('redirect_to','j2store') =='article'){
			// Build the necessary route and path information.
			$item->url = $this->getURL($item->id, $this->extension, $this->layout);
			$item->route = ContentHelperRoute::getArticleRoute($item->slug, $item->catslug, $item->language);
			$item->path = FinderIndexerHelper::getContentPath($item->route);
		}else{
			$menu_id =  $this->params->get('menuitem_id');
			require_once(JPATH_ADMINISTRATOR.'/components/com_j2store/helpers/router.php');
			$qoptions = array (
				'option' => 'com_j2store',
				'view' => 'products',
				'task' => 'view',
				'id' => $item->j2store_product_id
			);
			$pro_menu = J2StoreRouterHelper::findProductMenu ( $qoptions );
			$menu_id = isset($pro_menu->id) ? $pro_menu->id : $menu_id;
			$item->url =  $this->getJ2StoreURL($item->j2store_product_id, $this->extension, $this->layout);
			$item->route = 'index.php?option=com_j2store&view=products&task=view&id='.$item->j2store_product_id.'&Itemid='.$menu_id;
			$item->path = FinderIndexerHelper::getContentPath($item->route);

}

// Get the menu title if it exists.
		$title = $this->getItemMenuTitle($item->url);

// Adjust the title if necessary.
		if (!empty($title) && $this->params->get('use_menu_title', true))
		{
			$item->title = $title;
		}

// Add the meta-author.
		$item->metaauthor = $item->metadata->get('author');

// Add the meta-data processing instructions.
		$item->addInstruction(FinderIndexer::META_CONTEXT, 'metakey');
		$item->addInstruction(FinderIndexer::META_CONTEXT, 'metadesc');
		$item->addInstruction(FinderIndexer::META_CONTEXT, 'metaauthor');
		$item->addInstruction(FinderIndexer::META_CONTEXT, 'author');
		$item->addInstruction(FinderIndexer::META_CONTEXT, 'created_by_alias');

// Translate the state. Articles should only be published if the category is published.
		$item->state = $this->translateState($item->state, $item->cat_state);

// Add the type taxonomy data.
		$item->addTaxonomy('Type', $this->type_title);

// Add the author taxonomy data.
		if (!empty($item->author) || !empty($item->created_by_alias))
		{
			$item->addTaxonomy('Author', !empty($item->created_by_alias) ? $item->created_by_alias : $item->author);
		}

// Add the category taxonomy data.
		$item->addTaxonomy('J2Store Category', $item->category, $item->cat_state, $item->cat_access);

$brandmodel = F0FModel::getTmpInstance('Manufacturers' ,'J2StoreModel');
		$brandmodel->enabled(1);

FinderIndexerHelper::getContentExtras($item);

// Add the Brand taxonomy data.
		$item->addTaxonomy('J2Store Brand', $item->brand);

// Index the item.
		$this->indexer->index($item);
	}

/**
	 * Method to setup the indexer to be run.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   2.5
	 */
	protected function setup()
	{
		// Load dependent classes.
		include_once JPATH_SITE . '/components/com_j2store/router.php';

return true;
	}

/**
	 * Method to get the SQL query used to retrieve the list of content items.
	 *
	 * @param   mixed  $query  A JDatabaseQuery object or null.
	 *
	 * @return  JDatabaseQuery  A database object.
	 *
	 * @since   2.5
	 */
	protected function getListQuery($query = null)
	{
		$db = JFactory::getDbo();

// Check if we can use the supplied SQL query.
		$query = $query instanceof JDatabaseQuery ? $query : $db->getQuery(true)
			->select('a.id, a.title, a.alias, a.introtext AS summary, a.fulltext AS body')
			->select('a.state, a.catid, a.created AS start_date, a.created_by')
			->select('a.created_by_alias, a.modified, a.modified_by, a.attribs AS params')
			->select('a.metakey, a.metadesc, a.metadata, a.language, a.access, a.version, a.ordering')
			->select('a.publish_up AS publish_start_date, a.publish_down AS publish_end_date')
			->select('c.title AS category, c.published AS cat_state, c.access AS cat_access')
			->select('#__j2store_products.*');
		// Handle the alias CASE WHEN portion of the query
		$case_when_item_alias = ' CASE WHEN ';
		$case_when_item_alias .= $query->charLength('a.alias', '!=', '0');
		$case_when_item_alias .= ' THEN ';
		$a_id = $query->castAsChar('a.id');
		$case_when_item_alias .= $query->concatenate(array($a_id, 'a.alias'), ':');
		$case_when_item_alias .= ' ELSE ';
		$case_when_item_alias .= $a_id . ' END as slug';
		$query->select($case_when_item_alias);

$case_when_category_alias = ' CASE WHEN ';
		$case_when_category_alias .= $query->charLength('c.alias', '!=', '0');
		$case_when_category_alias .= ' THEN ';
		$c_id = $query->castAsChar('c.id');
		$case_when_category_alias .= $query->concatenate(array($c_id, 'c.alias'), ':');
		$case_when_category_alias .= ' ELSE ';
		$case_when_category_alias .= $c_id . ' END as catslug';
		$query->select($case_when_category_alias)
			->select('u.name AS author')
			->from('#__content AS a');
			$query->join('INNER', '#__j2store_products ON #__j2store_products.product_source='.$db->q('com_content').' AND #__j2store_products.product_source_id = a.id AND #__j2store_products.enabled=1');
			$query->select('#__j2store_manufacturers.* ');
			$query->join('LEFT', '#__j2store_manufacturers ON #__j2store_manufacturers.j2store_manufacturer_id= #__j2store_products.manufacturer_id');
			$query->select('#__j2store_addresses.company as brand');
			$query->join('LEFT', '#__j2store_addresses ON #__j2store_addresses.j2store_address_id= #__j2store_manufacturers.address_id');
			$query->join('LEFT', '#__categories AS c ON c.id = a.catid')
			->join('LEFT', '#__users AS u ON u.id = a.created_by');

return $query;
	}

protected function getJ2StoreURL($id, $extension, $view)
	{
		return 'index.php?option=' . $extension . '&view=' . $view . '&task=view&id=' . $id;
	}

protected function getURL($id, $extension, $view)
	{
		return 'index.php?option=' . $extension . '&view=' . $view . '&id=' . $id;
	}
}

[-] j2store.php [edit]
[-] index.html [edit]
[+] elements
[-] j2store.xml [edit]
[+] ..