/lib/Molinos/Admin/ListHandler.php

<?php
/**
 * ????? ??? ?????? ?????? ??? ? ???????????????? ??????????.
 *
 * @package Molinos_CMS
 * @subpackage Admin
 * @author Justin Forest <justin.forest@gmail.com>
 * @copyright 2006-2011 molinos.ru
 * @license http://www.gnu.org/copyleft/gpl.html GPL
 * @link http://code.google.com/p/molinos-cms/wiki/Molinos_Admin_ListHandler
 */

class Molinos_Admin_ListHandler extends Molinos_Core_RequestHandler
{
	public function get()
	{
		$args = func_get_args();
		return $this->serveNodeList($this->route, array_shift($args));
	}

	/**
	 * ?????????? ?????? ?????????? ?? ????????? ???????? ????????.
	 */
	protected function serveNodeList(array $route, $type = null)
	{
		$filter = $options = array();

		if (null !== $type)
			$filter['class'] = $type;
		elseif (!empty($route['types']))
			$filter['class'] = explode(',', $route['types']);
		elseif ($tmp = $this->arg('type'))
			$filter['class'] = $tmp;

		if ($tmp = $this->arg('author'))
			$filter['uid'] = $tmp;

		if (!empty($route['nolimit']))
			$filter['#limit'] = 'none';
		else
			$filter['#limit'] = $this->arg('limit', 10);
		if ($tmp = $this->arg('search'))
			$filter['#search'] = $tmp;

		if (isset($route['listsort']))
			$options['sort'] = $route['listsort'];

		if (!empty($route['listtitle']))
			$options['title'] = t($route['listtitle']);
		elseif (!empty($route['title']))
			$options['title'] = t($route['title']);
		foreach (preg_split('/,\s*/', @$route['listoptions'], -1, PREG_SPLIT_NO_EMPTY) as $option) {
			switch ($option) {
			case 'nolimit':
				$filter['#limit'] = 'none';
				break;
			case 'nocreate':
				$options['create'] = false;
				break;
			case 'nopublishing':
				$options['nopublishing'] = true;
				break;
			case 'nohidden':
				$filter['published'] = true;
				break;
			default:
				$options[$option] = true;
				break;
			}
		}

		if (!empty($route['docurl']))
			$options['docurl'] = $route['docurl'];
		if (!empty($route['submiturl']))
			$options['create'] = str_replace('destination=CURRENT', 'destination=' . urlencode($this->request->url), $route['submiturl']);
		$options['recurse'] = (bool)$this->arg('recurse');

		if (isset($filter['#limit']) and 'none' != $filter['#limit'])
			$options['limit'] = $filter['#limit'];
		if (isset($filter['#limit']) and $tmp = intval($this->arg('skip')))
			$filter['#offset'] = $tmp;

		$options['can'] = $this->arg('can', empty($route['defaultcan']) ? 'all' : $route['defaultcan']);

		return $this->sendList($filter, $options);
	}

	/**
	 * ?????????? ?????? ??????????.
	 */
	protected function sendList(array $filter, array $options)
	{
		$output = '';
		$nodeapi = Molinos_Core_API::getInstance('node');
		$user = Molinos_Core_API::getInstance('auth')->getUser();

		if (isset($options['nolang'])) {
			// ????? ??? ?? ????? ?????.
			$filter['lang'] = array_reverse(array_unique(array_merge(array($this->ctx->lang), Molinos_I18n_Utils::getEnabledLanguages())));
		} else {
			$filter['lang'] = preg_split('/[,\s]+/', $this->arg('lang', $this->ctx->lang));
		}

		// ?????????? ?????????????? ????, ???? ?? ??????? ?????????.
		if (empty($filter['class']))
			$filter['class'] = Molinos_Schema_Nodes_Type::getList($this->ctx, empty($filter['deleted']));

		// ????????? ??????????? ??? ?????? ????.
		$filter['class'] = array_values(array_intersect($user->getAccess(Molinos_Auth_ACL::READ), (array)$filter['class']));

		if ($tmp = $this->arg('scope'))
			$filter['scope'] = $tmp;

		// ?????? ?? ????????.
		if ($ids = preg_split('/\s+/', $this->arg('tags'), -1, PREG_SPLIT_NO_EMPTY)) {
			if (!empty($options['recurse']) and is_array($tmp = $this->unfoldIds($ids)))
				$ids = $tmp;
			$filter['tags'] = $ids;
			$output .= Molinos_Base_XML::wrap('filters', $nodeapi->findXML(array(
				'id' => $ids,
				)));
		}

		$this->addTagFilter($filter, $options);

		// ???? ???? ?? ??????? ???????? ????????? — ??????? ?????? ?? ?????????.
		if (!array_key_exists('deleted', $filter))
			$filter['deleted'] = 0;

		// ????????? ??????????.
		if ($tmp = $this->arg('sort'))
			$filter['#sort'] = $tmp;
		elseif (isset($options['sort']))
			$filter['#sort'] = $options['sort'];
		else
			$filter['#sort'] = '-id';

		if (!array_key_exists('create', $options)) {
			// ?????????? ??????????? ????: ??????? ???????? ?????? ?? ??? ????? ??????????,
			// ???? ?? ????????? — ?????? ?????? ?? submit, ???? ???? — ?? ?????????? ?????.
			// ??? ????? ????? ??????, ??? ???????????? ?????? ????? ????????????? ??????
			// ?????, ??? ?????????, ? ?? ????? ?????? ??????????? ????? ????????? ?????? ????.
			$create = array();
			foreach ($filter['class'] as $class)
				if ($user->hasAccess(Molinos_Auth_ACL::CREATE, $class))
					$create[] = 'submit/' . $class . '?destination=' . urlencode($this->ctx->request->uri);
			if (1 == count($create))
				$options['create'] = $create[0];
			elseif ($create)
				$options['create'] = 'submit?destination=' . urlencode($this->ctx->request->uri);
		}

		$options['onetype'] = (1 == count($filter['class']));

		$this->applyCannedOptions($options, $filter);

		// ??????? ?????? ?????????? ???.
		$options['total'] = $nodeapi->count($filter);
		$options['skip'] = $this->arg('skip');

		$output .= $nodeapi->findPagedXML($filter, $options);
		$output .= $this->getTypeNames();

		return new Molinos_Base_Page($output, array(
			'lang' => $filter['lang'][0],
			));
	}

	/**
	 * ?????????? ??????? ?? ????????, ???? ??????? ???? ?? ???????.
	 *
	 * @url http://code.google.com/p/molinos-cms/issues/detail?id=1267
	 */
	protected function addTagFilter(array &$filter, array &$options)
	{
		if (!empty($filter['tags']))
			return;

		if (!empty($options['notaglimit']))
			return;

		if (isset($filter['#search']) and false !== strpos(' ' . $filter['#search'], ' tags:'))
			return;

		if ($tapi = Molinos_Core_API::getInstance('taxonomy', true)) {
			$filter['tags'] = $tapi->getPermittedSections();
			if ($uid = Molinos_Core_API::getInstance('auth')->getUser()->id)
				$filter['#own'] = $uid;
		}
	}

	protected function getTypeNames()
	{
		$result = '';
		$typeNames = Molinos_Core_API::getInstance('node')
			->getSortedList('type', 'title', 'name');
		foreach ($typeNames as $name => $title)
			$result .= Molinos_Base_XML::em('type', array(
				'name' => $name,
				'#text' => Molinos_Base_XML::cdata($title),
				));
		return Molinos_Base_XML::em('types', $result);
	}

	protected function unfoldIds($ids)
	{
		if ($api = Molinos_Core_API::getInstance('taxonomy', true))
			return $api->unfoldIds($ids);
	}

	/**
	 * ?????????? ????????????? ????????.
	 *
	 * ???? ? ????????? can ?????? ???????????? ??????, ????????? ???
	 * ? ???????? ???????.
	 *
	 * @param array &$options ???????? ??????.
	 * @param array &$filter ????????? ???????.
	 *
	 * @uses Molinos_Admin_Handlers_CanXML::getCans() ??? ?????????
	 * ????????????? ????????.
	 */
	protected function applyCannedOptions(array &$options, array &$filter)
	{
		if (array_key_exists('can', $options)) {
			foreach ($all = Molinos_Admin_Handlers_CanXML::getCans($this->ctx, $this->path) as $k => $v) {
				if ($k == $options['can']) {
					Molinos_Core_Logger::getInstance()->debug("Applying canned options: " . var_export($v, true));
					foreach (array('options', 'filter') as $k)
						if (isset($v[$k]) and is_array($v[$k]))
							$$k = array_merge($$k, $v[$k]);
					if (isset($v['message']))
						$options['message'] = $v['message'];
				}
			}
		}
	}
}