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/home/develito/httpdocs/components/com_tags/models/tag.php

<?php
/**
 * @package     Joomla.Site
 * @subpackage  com_tags
 *
 * @copyright   (C) 2013 Open Source Matters, Inc. <https://www.joomla.org>
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

use Joomla\Utilities\ArrayHelper;

/**
 * Tags Component Tag Model
 *
 * @since  3.1
 */
class TagsModelTag extends JModelList
{
	/**
	 * The tags that apply.
	 *
	 * @var    object
	 * @since  3.1
	 */
	protected $tag = null;

/**
	 * The list of items associated with the tags.
	 *
	 * @var    array
	 * @since  3.1
	 */
	protected $items = null;

/**
	 * Constructor.
	 *
	 * @param   array  $config  An optional associative array of configuration settings.
	 *
	 * @see     JController
	 * @since   3.1
	 */
	public function __construct($config = array())
	{
		if (empty($config['filter_fields']))
		{
			$config['filter_fields'] = array(
				'core_content_id', 'c.core_content_id',
				'core_title', 'c.core_title',
				'core_type_alias', 'c.core_type_alias',
				'core_checked_out_user_id', 'c.core_checked_out_user_id',
				'core_checked_out_time', 'c.core_checked_out_time',
				'core_catid', 'c.core_catid',
				'core_state', 'c.core_state',
				'core_access', 'c.core_access',
				'core_created_user_id', 'c.core_created_user_id',
				'core_created_time', 'c.core_created_time',
				'core_modified_time', 'c.core_modified_time',
				'core_ordering', 'c.core_ordering',
				'core_featured', 'c.core_featured',
				'core_language', 'c.core_language',
				'core_hits', 'c.core_hits',
				'core_publish_up', 'c.core_publish_up',
				'core_publish_down', 'c.core_publish_down',
				'core_images', 'c.core_images',
				'core_urls', 'c.core_urls',
				'match_count',
			);
		}

parent::__construct($config);
	}

/**
	 * Method to get a list of items for a list of tags.
	 *
	 * @return  mixed  An array of objects on success, false on failure.
	 *
	 * @since   3.1
	 */
	public function getItems()
	{
		// Invoke the parent getItems method to get the main list
		$items = parent::getItems();

if (!empty($items))
		{
			foreach ($items as $item)
			{
				$item->link = TagsHelperRoute::getItemRoute(
					$item->content_item_id,
					$item->core_alias,
					$item->core_catid,
					$item->core_language,
					$item->type_alias,
					$item->router
				);

// Get display date
				switch ($this->state->params->get('tag_list_show_date'))
				{
					case 'modified':
						$item->displayDate = $item->core_modified_time;
						break;

case 'created':
						$item->displayDate = $item->core_created_time;
						break;

default:
					case 'published':
						$item->displayDate = ($item->core_publish_up == 0) ? $item->core_created_time : $item->core_publish_up;
						break;
				}
			}
		}

return $items;
	}

/**
	 * Method to build an SQL query to load the list data of all items with a given tag.
	 *
	 * @return  string  An SQL query
	 *
	 * @since   3.1
	 */
	protected function getListQuery()
	{
		$tagId  = $this->getState('tag.id') ? : '';

$typesr = $this->getState('tag.typesr');
		$orderByOption = $this->getState('list.ordering', 'c.core_title');
		$includeChildren = $this->state->params->get('include_children', 0);
		$orderDir = $this->getState('list.direction', 'ASC');
		$matchAll = $this->getState('params')->get('return_any_or_all', 1);
		$language = $this->getState('tag.language');
		$stateFilter = $this->getState('tag.state');

// Optionally filter on language
		if (empty($language))
		{
			$language = JComponentHelper::getParams('com_tags')->get('tag_list_language_filter', 'all');
		}

$tagsHelper = new JHelperTags;
		$query = $tagsHelper->getTagItemsQuery($tagId, $typesr, $includeChildren, $orderByOption, $orderDir, $matchAll, $language, $stateFilter);

if ($this->state->get('list.filter'))
		{
			$query->where($this->_db->quoteName('c.core_title') . ' LIKE ' . $this->_db->quote('%' . $this->state->get('list.filter') . '%'));
		}

return $query;
	}

/**
	 * 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  $direction  An optional direction (asc|desc).
	 *
	 * @return  void
	 *
	 * @since   3.1
	 */
	protected function populateState($ordering = 'c.core_title', $direction = 'ASC')
	{
		$app = JFactory::getApplication();

// Load the parameters.
		$params = $app->isClient('administrator') ? JComponentHelper::getParams('com_tags') : $app->getParams();

$this->setState('params', $params);

// Load state from the request.
		$ids = (array) $app->input->get('id', array(), 'string');

if (count($ids) == 1)
		{
			$ids = explode(',', $ids[0]);
		}

$ids = ArrayHelper::toInteger($ids);

// Remove zero values resulting from bad input
		$ids = array_filter($ids);

$pkString = implode(',', $ids);

$this->setState('tag.id', $pkString);

// Get the selected list of types from the request. If none are specified all are used.
		$typesr = $app->input->get('types', array(), 'array');

if ($typesr)
		{
			// Implode is needed because the array can contain a string with a coma separated list of ids
			$typesr = implode(',', $typesr);

// Sanitise
			$typesr = explode(',', $typesr);
			$typesr = ArrayHelper::toInteger($typesr);

$this->setState('tag.typesr', $typesr);
		}

$language = $app->input->getString('tag_list_language_filter');
		$this->setState('tag.language', $language);

// List state information
		$format = $app->input->getWord('format');

if ($format === 'feed')
		{
			$limit = $app->get('feed_limit');
		}
		else
		{
			$limit = $params->get('display_num', $app->get('list_limit', 20));
			$limit = $app->getUserStateFromRequest('global.list.limit', 'limit', $limit, 'uint');
		}

$this->setState('list.limit', $limit);

$offset = $app->input->get('limitstart', 0, 'uint');
		$this->setState('list.start', $offset);

$itemid = $pkString . ':' . $app->input->get('Itemid', 0, 'int');
		$orderCol = $app->getUserStateFromRequest('com_tags.tag.list.' . $itemid . '.filter_order', 'filter_order', '', 'string');
		$orderCol = !$orderCol ? $this->state->params->get('tag_list_orderby', 'c.core_title') : $orderCol;

if (!in_array($orderCol, $this->filter_fields))
		{
			$orderCol = 'c.core_title';
		}

$this->setState('list.ordering', $orderCol);

$listOrder = $app->getUserStateFromRequest('com_tags.tag.list.' . $itemid . '.filter_order_direction', 'filter_order_Dir', '', 'string');
		$listOrder = !$listOrder ? $this->state->params->get('tag_list_orderby_direction', 'ASC') : $listOrder;

if (!in_array(strtoupper($listOrder), array('ASC', 'DESC', '')))
		{
			$listOrder = 'ASC';
		}

$this->setState('list.direction', $listOrder);

$this->setState('tag.state', 1);

// Optional filter text
		$filterSearch = $app->getUserStateFromRequest('com_tags.tag.list.' . $itemid . '.filter_search', 'filter-search', '', 'string');
		$this->setState('list.filter', $filterSearch);
	}

/**
	 * Method to get tag data for the current tag or tags
	 *
	 * @param   integer  $pk  An optional ID
	 *
	 * @return  object
	 *
	 * @since   3.1
	 */
	public function getItem($pk = null)
	{
		if (!isset($this->item))
		{
			$this->item = false;

if (empty($pk))
			{
				$pk = $this->getState('tag.id');
			}

// Get a level row instance.
			$table = JTable::getInstance('Tag', 'TagsTable');

$idsArray = explode(',', $pk);

// Attempt to load the rows into an array.
			foreach ($idsArray as $id)
			{
				try
				{
					$table->load($id);

// Check published state.
					if ($published = $this->getState('tag.state'))
					{
						if ($table->published != $published)
						{
							continue;
						}
					}

if (!in_array($table->access, JFactory::getUser()->getAuthorisedViewLevels()))
					{
						continue;
					}

// Convert the JTable to a clean JObject.
					$properties = $table->getProperties(1);
					$this->item[] = ArrayHelper::toObject($properties, 'JObject');
				}
				catch (RuntimeException $e)
				{
					$this->setError($e->getMessage());

return false;
				}
			}
		}

if (!$this->item)
		{
			return JError::raiseError(404, JText::_('COM_TAGS_TAG_NOT_FOUND'));
		}

return $this->item;
	}

/**
	 * Increment the hit counter.
	 *
	 * @param   integer  $pk  Optional primary key of the article to increment.
	 *
	 * @return  boolean  True if successful; false otherwise and internal error set.
	 *
	 * @since   3.2
	 */
	public function hit($pk = 0)
	{
		$input    = JFactory::getApplication()->input;
		$hitcount = $input->getInt('hitcount', 1);

if ($hitcount)
		{
			$pk    = (!empty($pk)) ? $pk : (int) $this->getState('tag.id');
			$table = JTable::getInstance('Tag', 'TagsTable');
			$table->hit($pk);

// Load the table data for later
			$table->load($pk);

if (!$table->hasPrimaryKey())
			{
				JError::raiseError(404, JText::_('COM_TAGS_TAG_NOT_FOUND'));
			}
		}

return true;
	}
}