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<?php
/**
 * Kunena Component
 *
 * @package       Kunena.Administrator
 * @subpackage    Models
 *
 * @copyright (C) 2008 - 2016 Kunena Team. All rights reserved.
 * @license       http://www.gnu.org/copyleft/gpl.html GNU/GPL
 * @link          https://www.kunena.org
 **/
defined('_JEXEC') or die ();

jimport('joomla.application.component.modeladmin');
jimport('joomla.html.pagination');

/**
 * Templates Model for Kunena
 *
 * @since 2.0
 */
class KunenaAdminModelTemplates extends JModelAdmin
{
	public function __construct($config = array())
	{
		parent::__construct($config);
		$this->app    = JFactory::getApplication();
		$this->me     = KunenaUserHelper::getMyself();
		$this->config = KunenaFactory::getConfig();
	}

	/**
	 * Method to auto-populate the model state.
	 */
	protected function populateState()
	{
		$this->context = 'com_kunena.admin.templates';

		$app = JFactory::getApplication();

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

		if ($layout)
		{
			$this->context .= '.' . $layout;
		}

		// Edit state information
		$value = $this->getUserStateFromRequest($this->context . '.edit', 'name', '', 'cmd');
		$this->setState('template', $value);

		// List state information
		$value = $this->getUserStateFromRequest($this->context . '.list.limit', 'limit', $this->app->getCfg('list_limit'), 'int');
		$this->setState('list.limit', $value);

		$value = $this->getUserStateFromRequest($this->context . '.list.ordering', 'filter_order', 'ordering', 'cmd');
		$this->setState('list.ordering', $value);

		$value = $this->getUserStateFromRequest($this->context . '.list.start', 'limitstart', 0, 'int');
		$this->setState('list.start', $value);
	}

	/**
	 * @see JModelForm::getForm()
	 */
	public function getForm($data = array(), $loadData = true)
	{
		// Load the configuration definition file.
		$template = $this->getState('template');
		$xml      = KunenaTemplate::getInstance($template)->getConfigXml();

		// Get the form.
		$form = $this->loadForm('com_kunena_template', $xml, array('control' => 'jform', 'load_data' => $loadData, 'file' => false), true, '//config');

		if (empty($form))
		{
			return false;
		}

		return $form;
	}

	/**
	 * @see JModelForm::loadFormData()
	 */
	protected function loadFormData()
	{
		// Check the session for previously entered form data.
		$data = JFactory::getApplication()->getUserState('com_kunena.edit.template.data', array());

		if (empty($data))
		{
			$template = $this->getState('template');
			$data     = KunenaTemplate::getInstance($template)->params->toArray();
		}

		return $data;
	}

	function getTemplates()
	{
		//get template xml file info
		$rows = KunenaTemplateHelper::parseXmlFiles();

		// set dynamic template information
		foreach ($rows as $row)
		{
			$row->published = KunenaTemplateHelper::isDefault($row->directory);
		}

		$this->setState('list.total', count($rows));

		if ($this->getState('list.limit'))
		{
			$rows = array_slice($rows, $this->getState('list.start'), $this->getState('list.limit'));
		}

		return $rows;
	}

	function getTotal()
	{
		return $this->getState('list.total');
	}

	function getStart()
	{
		return $this->getState('list.start');
	}

	function getTemplatedetails()
	{
		$template = $this->app->getUserState('kunena.edit.template');
		$details  = KunenaTemplateHelper::parseXmlFile($template);

		if (empty($template))
		{
			$template = $this->getState('template');
			$details  = KunenaTemplateHelper::parseXmlFile($template);
		}

		return $details;
	}

	function getFileLessParsed()
	{
		$template = $this->app->getUserState('kunena.templatename');
		$filename = $this->app->getUserState('kunena.editless.filename');

		$content  = file_get_contents(KPATH_SITE . '/template/' . $template . '/less/' . $filename);
		$content = htmlspecialchars($content, ENT_COMPAT, 'UTF-8');

		if ($content === false)
		{
			return null;
		}

		return $content;
	}

	function getFileContentParsed()
	{
		$template = $this->app->getUserState('kunena.templatename');
		$filename = $this->app->getUserState('kunena.editcss.filename');
		$content  = file_get_contents(KPATH_SITE . '/template/' . $template . '/css/' . $filename);

		if ($content === false)
		{
			return null;
		}

		$content = htmlspecialchars($content, ENT_COMPAT, 'UTF-8');

		return $content;
	}

	function getFTPcredentials()
	{
		// Set FTP credentials, if given
		$ftp = JClientHelper::setCredentialsFromRequest('ftp');

		return $ftp;
	}

	public function getUserStateFromRequest($key, $request, $default = null, $type = 'none', $resetPage = true)
	{
		$app       = JFactory::getApplication();
		$input     = $app->input;
		$old_state = $app->getUserState($key);
		$cur_state = (!is_null($old_state)) ? $old_state : $default;
		$new_state = $input->get($request, null, $type);

		if (($cur_state != $new_state) && ($resetPage))
		{
			$input->set('limitstart', 0);
		}

		// Save the new value only if it is set in this request.
		if ($new_state !== null)
		{
			$app->setUserState($key, $new_state);
		}
		else
		{
			$new_state = $cur_state;
		}

		return $new_state;
	}

	public function getPagination()
	{
		// Get a storage key.
		$store = $this->getStoreId('getPagination');

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

		// Create the pagination object.
		$limit = (int) $this->getState('list.limit') - (int) $this->getState('list.links');
		$page  = new JPagination($this->getTotal(), $this->getStart(), $limit);

		// Add the object to the internal cache.
		$this->cache[$store] = $page;

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

	protected function getStoreId($id = '')
	{
		// Add the list state to the store id.
		$id .= ':' . $this->getState('list.start');
		$id .= ':' . $this->getState('list.limit');
		$id .= ':' . $this->getState('list.ordering');
		$id .= ':' . $this->getState('list.direction');

		return md5($this->context . ':' . $id);
	}

}