<?php

/**
 * @method array getDPageHandler4Select()
 */
class App_Cms_Obj extends Qs_Db_Obj
{
    const PAGE_ITEM_GROUP_NAMES_CACHE_ID = 'PageItemGroupNames';

    /**
     * @var App_Cms_Obj
     */
    protected static $_instance = null;
    protected static $_dataCache = array();
    protected $_tableAlias = 'Page';
    protected $_hasRedirection = false;
    protected $_suMode = false;
    protected $_itemObjects = array();
    protected $_dataDraft;
    protected $_itemGroupNames;
    protected $_itemTypes;
    protected $_languages;
    protected $_dataEx;
    protected $_siteMap;
    protected $_id2Page = array();
    protected $_fullSitemap;
    protected $_cacheId = array(self::PAGE_ITEM_GROUP_NAMES_CACHE_ID);
    protected $_cacheFrontendOptions = array(
        'lifetime'                => null,
        'automatic_serialization' => true
    );
    protected $_hasFilter = true;
    protected $_insertPlacement = 'APPEND';
    protected $_dataMetaOptions = null;
    protected $_dataCleanMetaOptions = null;
    protected $_dataDraftMetaOptions = null;
    protected $_dataDraftCleanMetaOptions = null;
    protected $_urlParseFields = array('meta' => array('redirectAlias'));
    protected $_fileFields = array('headerImage');
    protected $_itemView = array();
    protected $_reorderTitleColumn = 'menuTitle';
    public $idParent = 0;

    public static function getInstance()
    {
        if (null === self::$_instance) {
            self::$_instance = new self();
        }
        return self::$_instance;
    }

    protected function _arrayParseTag2Url(array &$array, $fields = null)
    {
        if (null === $fields) {
            $fields = $this->_urlParseFields;
        }
        if (empty($fields) || !is_array($array) || empty($array)) {
            return false;
        }
        foreach ($fields as $key => $field) {
            if (is_scalar($field)) {
                if (isset($array[$field])) {
                    $array[$field] = $this->_tag2BaseUrl($array[$field]);
                }
            } else {
                if (isset($array[$key])) {
                    $this->_arrayParseTag2Url($array[$key], $field);
                }
            }
        }
        return true;
    }

    protected function _arrayParseUrl2Tag(&$array, $fields = null)
    {
        if (null === $fields) {
            $fields = $this->_urlParseFields;
        }
        if (empty($fields) || !is_array($array) || empty($array)) {
            return false;
        }
        foreach ($fields as $key => $field) {
            if (is_scalar($field)) {
                if (isset($array[$field])) {
                    $array[$field] = $this->_baseUrl2Tag($array[$field]);
                }
            } else {
                if (isset($array[$key])) {
                    $this->_arrayParseUrl2Tag($array[$key], $field);
                }
            }
        }
        return true;
    }

    public function resetListSelect()
    {
        $this->_select = null;
        return $this;
    }

    public function getListSelect()
    {
        if (null !== $this->_select) {
            return $this->_select;
        }
        $select = parent::getListSelect()->where("`{$this->_tableAlias}`.`alias` IS NOT NULL");

        $this->_joinPageContent($select);
        $this->_joinDraftPage($select);

        return $select;
    }

    protected function _joinPageContent(Zend_Db_Select $select, $draft = false)
    {
        $tableAlias = (($draft) ? 'Draft' : '') . 'PageContent';
        $select->join(
            array('cDef' => $this->_getTableName($tableAlias)),
            "`cDef`.`idPage` = `{$this->_tableAlias}`.`id` "
            . "AND `cDef`.`language` = " . $this->_db->quote(Qs_Db_Language::getDefault()),
            array(
                'IFNULL(`c`.`title`, `cDef`.`title`) AS title',
                'IFNULL(`c`.`menuTitle`, `cDef`.`menuTitle`) AS menuTitle',
                'IFNULL(`c`.`header`, `cDef`.`header`) AS header'
            )
        );

        $select->joinLeft(
            array('c' => $this->_getTableName($tableAlias)),
            "`c`.`idPage` = `{$this->_tableAlias}`.`id` AND `c`.`language` = " . $this->_db->quote($this->getLanguage()),
            array()
        );

        return $this;
    }

    protected function _joinDraftPage(Zend_Db_Select $select)
    {
        $select->joinLeft(
            array('dp' => $this->_getTableName('DraftPage')),
            "`dp`.`id` = `{$this->_tableAlias}`.`id` ",
            array('hasDraft' => "IF(`dp`.`id` IS NOT NULL AND `dp`.`added` <> `dp`.`changed`, 'y', 'n')")
        );

        return $this;
    }

    public function draftExists()
    {
        $key = $this->getPrimaryKey();
        if (!is_array($key)) {
            $key = (array) $key;
        }
        $rows = call_user_func_array(array($this->_getTable('DraftPage'), 'find'), $key);
        if (count($rows)) {
            return true;
        }
        return false;
    }

    public function createDraft()
    {
        if (false === ($data = $this->_getDataEx())) {
            return false;
        }
        $this->deleteDraftItems($data['id']);
        $this->_saveDraftDataEx($data);
        return $this;
    }

    public function draftPageOptionExists()
    {
        $options = $this->getMetaOptions($this->getPrimaryKey(), true, true);
        return !empty($options);
    }

    public function createPageOptionDraft()
    {
        $this->_deleteDraftMetaOptions($this->getPrimaryKey());
        $select = $this->_db->select();
        $select->from(
            $this->_getPair('PageOption'),
            array('idPage', 'name', 'show', 'value')
        );
        $select->where('`idPage`=' . $this->_db->quote($this->getPrimaryKey(), Zend_Db::INT_TYPE));
        $data = $this->_db->fetchAll($select);
        if (false === $data) {
            return false;
        }
        $table = $this->_getTable('DraftPageOption');
        foreach ($data as $option) {
            $table->insert($option);
        }
        return $this;
    }

    public function getDraftMeta($idPage)
    {
        return $this->getMeta($idPage, true);
    }

    protected function _getMetaRow($idPage, $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';

        $rowset = $this->_getTable($draftPrefix . 'Page')->find($idPage);
        if (!count($rowset)) {
            return false;
        }
        return $rowset->current();
    }

    public function getMeta($idPage, $draft = false)
    {
        if (!empty(self::$_dataCache['meta'][$idPage][$draft])) {
            return self::$_dataCache['meta'][$idPage][$draft];
        }

        $draftPrefix = ($draft) ? 'Draft' : '';

        if (($row = $this->_getMetaRow($idPage, $draft))) {
            $data = $row->toArray();
            $this->_arrayParseTag2Url($data, $this->_urlParseFields['meta']);

            $content = $this->_getTable($draftPrefix . 'PageContent')->select()
                ->where('idPage = ? ', $idPage)
                ->where('language = ?', $this->getLanguage())
                ->query()
                ->fetch();
            if (is_array($content) && !empty($content)) {
                $data = array_merge($data, $content);
            }
            $data['customOptions'] = json_decode($data['customOptions'], true);
            if ($draft) {
                $data['hasChanges'] = ($data['added'] != $data['changed']);
            }
            self::$_dataCache['meta'][$idPage][$draft] = $data;
            return $data;
        }

        return false;
    }

    /**
     * @param int $level
     * @param array|string|Zend_Db_Expr|null $where [OPTIONAL]
     * @return array|bool
     */
    public function getFilteredPages4Select($level = 1, $where = null)
    {
        $select = $this->getSelect4SiteMap();
        if ($where) {
            $select->where(Qs_Db::getWhereSql($where));
        }
        $siteMap = $this->getSiteMap(array('select' => $select));
        $options = $this->_prepareParentOptions($siteMap, $level);
        return $options;
    }

    public function getPages4Select($indentLevel = 0, $where = null)
    {
        $_where = array();
        if (!$this->_suMode) {
            $_where[] = '`' . $this->_tableAlias . '`.`showInDropdowns` = "y"';
            $parts = array('`' . $this->_tableAlias . '`.`system` != "y"');
            if ($this->_primaryKey && 0 != ($redirectPageId = (int) $this->getDraftData('meta[redirectPageId]'))) {
                $parts[] = '`' . $this->_tableAlias . '`.`id` = ' . (int) $redirectPageId;
            }
            $_where[] = '(' .  implode(' OR ', $parts) . ')';
        }
        if ($where) {
            $_where[] = Qs_Db::getWhereSql($where);
        }
        return $this->getFilteredPages4Select($indentLevel, $_where);
    }

    /**
     * Повертає масив сторінок для дропдауна "Parent Page". В масив попадають всі сторінкикрім фінальних
     * та сторінок які є частиною гілки поточної сторінки.
     *
     * @param int $indentLevel
     * @param int $currPageId
     * @return array|bool
     */
    public function getParent4Select($indentLevel = 1, $currPageId = null)
    {
        $currPageId = (null === $currPageId) ? $this->getPrimaryKey() : $currPageId;
        $select = $this->getSelect4SiteMap();
        $select->where("`{$this->_tableAlias}`.`id` <> " . (int) $currPageId);
        $select->where("`{$this->_tableAlias}`.`final` <> 'y'");
        $select->joinLeft(
            $this->_getPair('PageOption'),
            "(`PageOption`.`idPage` = `" . $this->_tableAlias . "`.`id`) AND (`PageOption`.`name` = 'isAdditional')",
            array('isAdditional' => new Zend_Db_Expr('IFNULL(PageOption.value, DPageOption.value)'))
        );
        $select->joinLeft(
            $this->_getPair('DPageOption'),
            "`DPageOption`.`name` = 'isAdditional'",
            null
        );
        $select->reset('order');
        $select->order(array($this->_tableAlias . '.idParent', 'isAdditional', $this->_tableAlias . '.sorter'));
        $siteMap = $this->getSiteMap(array('select' => $select));
        $options = $this->_prepareParentOptions($siteMap, $indentLevel);
        return $options;
    }

    protected function _prepareParentOptions($siteMap, $indentLevel = 0)
    {
        $options = array();
        $additionalPages = array();
        foreach ($siteMap as $page) {
            if ('y' == $page['isAdditional']) {
                $additionalPages[$page['id']] = str_repeat('&nbsp;', $indentLevel * 4) . $page['menuTitle'];
                if (isset($page['sub'])) {
                    $subOptions = $this->_prepareParentOptions($page['sub'], $indentLevel + 1);
                    $additionalPages = Qs_Array::mergeAssoc($additionalPages, $subOptions);
                }
            } else {
                $options[$page['id']] = str_repeat('&nbsp;', $indentLevel * 4) . $page['menuTitle'];
                if (isset($page['sub'])) {
                    $subOptions = $this->_prepareParentOptions($page['sub'], $indentLevel + 1);
                    $options = Qs_Array::mergeAssoc($options, $subOptions);
                }
            }
        }
        $options =  Qs_Array::mergeAssoc($options, $additionalPages);
        return $options;
    }

    public function getSelect4SiteMap($options = array())
    {
        $_filter = $this->_filter;
        if (isset($options['filter'])) {
            $this->setFilter($options['filter']);
        }
        $select = clone $this->getListSelect();
        $select->order(array($this->_tableAlias . '.idParent', $this->_tableAlias . '.sorter'));
        if (isset($options['filter'])) {
            $this->_filter = $_filter;
        }
        return $select;
    }

    public function getAdditionalSelect4SiteMap($options = array())
    {
        $select = $this->getSelect4SiteMap($options);
        $select->reset('order');
        $select->joinLeft(
            $this->_getPair('PageOption'),
            "(`PageOption`.`idPage` = `" . $this->_tableAlias . "`.`id`) AND (`PageOption`.`name` = 'isAdditional')",
            array('isAdditional' => new Zend_Db_Expr('IFNULL(PageOption.value, DPageOption.value)'))
        );
        $select->joinLeft(
            $this->_getPair('DPageOption'),
            "`DPageOption`.`name` = 'isAdditional'",
            null
        );
        $select->group($this->_tableAlias . '.id');
        $select->order(array('isAdditional', $this->_tableAlias . '.idParent', $this->_tableAlias . '.sorter'));
        return $select;
    }

    public function getAllItems()
    {
        $select = $this->_db->select();
        $select->from($this->_getPair('PageItem'));
        $select->order(array('PageItem.idPage', 'PageItem.sorter'));
        return $this->_db->fetchAll($select);
    }

    public function getAllItemConfigs()
    {
        $select = $this->_db->select();
        $select->from($this->_getPair('PageItemConfig'));
        return $this->_db->fetchAll($select);
    }

    public function getAllMetaOptions()
    {
        static $data = null;
        if (null === $data) {
            $data = array();
            $data['defaults'] = $this->getDefaultMetaPairs();
            $select = $this->_db->select();
            $select->from($this->_getTableName('PageOption'));
            $data['options'] = $this->_db->fetchAll($select);
        }
        return $data;
    }

    protected function _getPageSelect($pageId, $draft = false)
    {
        $table = (($draft) ? 'Draft' : '') . 'Page';

        $select = $this->_db->select();
        $select->from($this->_getPair($table, 'Page'));
        $this->_joinPageContent($select, $draft);
        $select->where('`Page`.`id` = ?', $pageId, Qs_Db::INT_TYPE);

        return $select;
    }

    public function getPage($pageId, $draft = false)
    {
        // page
        $select = $this->_getPageSelect($pageId, $draft);
        $page = $this->_db->fetchRow($select);
        if (!$page) {
            return false;
        }
        $page['idPage'] = $page['id'];
        $page['fullAlias'] = $page['alias'];
        if ($page['idParent']) {
            $prentAlas = Qs_SiteMap::findFirst(['id' => $page['idParent']], null, null, 'fullAlias');
            $page['fullAlias'] = $prentAlas . '/' . $page['fullAlias'];
        }
        $page['restAlias'] = str_replace($page['fullAlias'], '', CURRENT_PAGE);
        $page['restAlias'] = ltrim($page['restAlias'], '/');

        // meta options
        $meta = $this->getMetaOptions($pageId, $draft);
        $meta = Qs_Array::fetchPairs($meta, ['name', 'value']);
        if (!$meta) {
            return false;
        }
        $page = array_merge($meta, $page);
        $this->_arrayParseTag2Url($page, $this->_urlParseFields['meta']);
        $this->_initPageCustomOptions($page);

        // page items
        $page['items'] = $this->getItemsList($pageId, $draft);

        // header & title
        if (empty($page['header']) && $this->getConfig('autofillHeader')) {
            $page['header'] = $page['menuTitle'];
        }
        if (empty($page['title'])) {
            $page['title'] = $page['menuTitle'];
        }

        if ($page['restAlias']) {
            Qs_SiteMap::setRestAlias($page, $page['restAlias']);
        }

        return $page;
    }

    public function getSiteMap($options = array())
    {
        if (empty($options) && empty($this->_filter) && null !== $this->_siteMap) {
            return $this->_siteMap;
        }

        $idParent = 0;
        /** @var $select Zend_Db_Select */
        $select = null;
        if (!isset($options['select'])) {
            $select = $this->getSelect4SiteMap($options);
        }
        extract($options);

        $_list = $this->_db->fetchAssoc($select);

        $metaOptions = $this->getAllMetaOptions();
        foreach ($metaOptions['options'] as $option) {
            if (array_key_exists($option['idPage'], $_list)) {
                $_list[$option['idPage']][$option['name']] = $option['value'];
            }
        }
        foreach($_list as &$page) {
            $page = array_merge($metaOptions['defaults'], $page);
            $this->_arrayParseTag2Url($page, $this->_urlParseFields['meta']);
            $this->_initPageCustomOptions($page);
        }

        // Item Options
        $itemConfigs = array();
        $_itemConfigs = $this->getAllItemConfigs();
        foreach ($_itemConfigs as $itemConfig) {
            if (!array_key_exists($itemConfig['idItem'], $itemConfigs)) {
                $itemConfigs[$itemConfig['idItem']] = array();
            }
            Qs_Array::set($itemConfigs[$itemConfig['idItem']], $itemConfig['name'], $itemConfig['value']);
        }

        // Page Items
        $items = array();
        $_items = $this->getAllItems();
        foreach ($_items as $item) {
            if (array_key_exists($item['id'], $itemConfigs)) {
                $item['config'] = $itemConfigs[$item['id']];
            }
            $items[$item['idPage']][] = $item;
        }
        foreach ($_list as &$page) {
            if (array_key_exists($page['id'], $items)) {
                $page['items'] = $items[$page['id']];
            }
        }

        $list = array();
        $additionalList = array();
        foreach($_list as $v) {
            if ('y' == $v['isAdditional']) {
                $additionalList[$v['idParent']][$v['alias']] = $v;
            } else {
                $list[$v['idParent']][$v['alias']] = $v;
            }
        }
        $list = Qs_Array::mergeRecursive($list, $additionalList);

        $siteMap = (isset($list[$idParent])) ? $list[$idParent] : array();
        unset($list[$idParent]);
        $parentAlias = '';
        if (is_array($siteMap) && !empty($siteMap)) {
            $this->_prepareSiteMap($siteMap, $list, $parentAlias);
        }
        if (empty($options) && empty($this->_filter)) {
            $this->_siteMap = $siteMap;
        }
        return $siteMap;
    }

    protected function _initPageCustomOptions(&$page)
    {
        if (!array_key_exists('customOptions', $page)) {
            return $this;
        }
        if (!($customOptions = json_decode($page['customOptions'], true))) {
            return $this;
        }
        foreach ($customOptions as $name => $value) {
            $page['x' . ucfirst($name)] = $value;
        }
        unset($page['customOptions']);
        return $this;
    }

    protected function _prepareSiteMap(&$siteMap, &$list, $parent = [])
    {
        foreach ($siteMap as &$page) {
            $parentAlias = Qs_Array::get($parent, 'fullAlias', '');
            $page['fullAlias'] = rtrim($parentAlias, '/') . (($parentAlias) ? '/' : '') . $page['alias'];
            if (Qs_SiteMap::isSecurePage($page)) {
                $page['url'] = BASE_URL_LANGUAGE_HTTPS;
            } else {
                $page['url'] = BASE_URL_LANGUAGE_HTTP;
            }
            if ('y' != $page['isRoot']) {
                $page['url'] .= ((empty($page['fullAlias'])) ? '' : '/') . $page['fullAlias'];
            }

            if (empty($page['header']) && $this->getConfig('autofillHeader')) {
                $page['header'] = $page['menuTitle'];
            }
            if (empty($page['title'])) {
                $page['title'] = $page['menuTitle'];
            }
            if ('n' == Qs_Array::get($parent, 'enabled')) {
                $page['enabled'] = 'n';
            }
            if (isset($list[$page['id']])) {
                $page['sub'] = $list[$page['id']];
                unset($list[$page['id']]);
                $this->_prepareSiteMap($page['sub'], $list, $page);
            }
        }

        return $this;
    }

    public function getSiteMapPageCount($siteMap)
    {
        $count = count($siteMap);
        foreach ($siteMap as $page) {
            if (isset($page['sub'])) {
                $count += $this->getSiteMapPageCount($page['sub']);
            }
        }
        return $count;
    }

    public function getDItemType4Select()
    {
        if (null === $this->_itemTypes) {
            $select = $this->_db->select();
            $select->from($this->_getTableName('DPageItemType'), array('type', 'title'));
            $select->order('sorter');
            $this->_itemTypes = $this->_db->fetchPairs($select);
            foreach ($this->_itemTypes as $type => $title) {
                if (!$this->_itemTypeClassExists($type)) {
                    Qs_Debug::log('Cms item "' . $type . '" not found');
                    unset($this->_itemTypes[$type]);
                }
            }
        }
        return $this->_itemTypes;
    }

    protected function _itemTypeClassExists($type)
    {
        return class_exists(Qs_SiteMap::getItemTypeClass($type, 'View'));
    }

    public function getDraftItems($idPage)
    {
        return $this->getItems($idPage, true);
    }

    public function getItemsList($idPage, $draft = false)
    {
        if (!empty(self::$_dataCache['itemsList'][$idPage][$draft])) {
            return self::$_dataCache['itemsList'][$idPage][$draft];
        }

        $draftPrefix = ($draft) ? 'Draft' : '';

        $select = $this->_db->select();
        $select->from(array('i' => $this->_getTableName($draftPrefix . 'PageItem')));
        $select->join(
            array('g' => $this->_getTableName('DPageItemGroup')),
            'g.id = i.idGroup',
            array('groupTitle' => 'g.title', 'groupName' => 'g.name')
        );
        $select->where('`i`.idPage = ?', $idPage, Zend_Db::INT_TYPE);
        $select->order(array('g.sorter', 'i.sorter'));

        $stmt = $select->query();
        $items = $stmt->fetchAll();

        $itemsIds = Qs_Array::fetchCol($items, 'id');
        $itemsConfigs = $this->_getItemsConfigs($itemsIds, $draft);

        $sorter = 0;
        foreach ($items as &$item) {
            $item['sorter'] = $sorter++;
            $item['config'] = Qs_Array::get($itemsConfigs, $item['id'], array());
        }

        self::$_dataCache['itemsList'][$idPage][$draft] = $items;

        return $items;
    }

    public function getItems($idPage, $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';
        $_items = $this->getItemsList($idPage, $draft);
        $items = array();
        foreach ($_items as $item) {
            if ($itemObject = $this->getItemObject($item['type'])) {
                $itemObject->setLanguage($this->getLanguage());
                $itemObject->setDraftPrefix($draftPrefix);
                $itemObject->setPrimaryKey($item['number']);
                $item['data'] = $itemObject->getData();
            }
            if (!isset($items[$item['groupName']])) {
                $items[$item['groupName']] = array();
            }
            $items[$item['groupName']]['i' . $item['id']] = $item;
        }
        return $items;
    }

    public function getDraftItem($id)
    {
        return $this->getItem($id, true);
    }

    public function getDraftItemRow($id)
    {
        return $this->getItemRow($id, true);
    }

    /**
     * @param $id
     * @param bool $draft
     * @return bool|Zend_Db_Table_Row_Abstract
     */
    public function getItemRow($id, $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';

        $rowset = $this->_getTable($draftPrefix . 'PageItem')->find($id);
        if (!count($rowset)) {
            return false;
        }
        return $rowset->current();
    }

    /**
     * @param $id
     * @param bool $draft
     * @return array|bool return item data on success or false otherwise
     */
    public function getItem($id, $draft = false)
    {
        if (! ($row = $this->getItemRow($id, $draft))) {
            return false;
        }
        $item = $row->toArray();
        if ($itemObject = $this->getItemObject($item['type'])) {
            $draftPrefix = ($draft) ? 'Draft' : '';
            $itemObject->setLanguage($this->getLanguage());
            $itemObject->setDraftPrefix($draftPrefix);
            $itemObject->setPrimaryKey($item['number']);
            $item['data'] = $itemObject->getData();
        }

        $groupData = $this->getItemGroupById($item['idGroup']);
        if (!empty($groupData)) {
            $item['groupTitle'] = $groupData['title'];
            $item['groupName'] = $groupData['name'];
        }
        $item['config'] = $this->_getItemConfig($item['id'], $draft);

        return $item;
    }

    public function getItemGroupById($idGroup, $field = null)
    {
        $select = $this->_db->select();
        $select->from($this->_getPair('DPageItemGroup'), array('name', 'title'))
               ->where("`DPageItemGroup`.`id` = " . (int) $idGroup);
        $data = $this->_db->fetchRow($select);
        if (null !== $field && !empty($data) && array_key_exists($field, $data)) {
            return $data[$field];
        }
        return $data;
    }

    /**
     * @param $type
     * @return App_Cms_Item_HtmlBlock_Obj
     */
    public function getItemObject($type)
    {
        $class = 'App_Cms_Item_' . rtrim($type, '_') . '_Obj';
        $file = BASE_PATH . '/' . str_replace('_', '/', $class) . '.php';
        if (!array_key_exists($class, $this->_itemObjects)) {
            if (!file_exists($file)) {
                $this->_itemObjects[$class] = null;
            } else {
                $this->_itemObjects[$class] = new $class();
            }
        }

        /** @var $dataObj App_Cms_Item_HtmlBlock_Obj */
        $dataObj = $this->_itemObjects[$class];
        if ($dataObj) {
            $dataObj->clearData();
        }

        return $dataObj;
    }

    public function getDraftData($field = null)
    {
        return $this->getData($field, true);
    }

    public function getData($field = null, $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';
        $property = '_data' . $draftPrefix;
        if (null === $this->{$property} && $this->getPrimaryKey()
            && $data = $this->_getFromDb($this->getPrimaryKey(), null, $draft)
        ) {
            $this->$property = $data;
        }
        if (null === $this->$property) {
            return null;
        }
        return Qs_Array::get($this->$property, $field);
    }

    public function initDraftData()
    {
        return $this->initData(true);
    }

    public function initData($draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';
        $property = '_data' . $draftPrefix;
        $this->$property = $this->_getFromDb($this->getPrimaryKey(), null, $draft);
        foreach ($this->_fileFields as $fieldName) {
            if (($file = Qs_Request::getPostValue($fieldName))) {
                $this->{$property}[$fieldName] = $file;
            } else {
                if (isset($this->{$property}['meta']) && isset($this->{$property}['meta'][$fieldName])) {
                    $this->{$property}[$fieldName] = $this->{$property}['meta'][$fieldName];
                }
            }
        }
        return $this;
    }

    protected function _getFromDb($idPage, $field = null, $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';

        if (null === $this->{'_data' . $draftPrefix}) {
            $this->{'_data' . $draftPrefix} = array();
            if (false !== ($meta = $this->{"get{$draftPrefix}Meta"}($idPage))) {
                 $options = $this->_getPageOptions($idPage, $meta, $draft);
                 foreach ($options as $name => $option) {
                    $meta[$name] = $option['value'];
                 }
                 $this->{'_data' . $draftPrefix}['meta'] = $meta;
                 $items = $this->{"get{$draftPrefix}Items"}($idPage);
                 $this->{'_data' . $draftPrefix} = array_merge($this->{'_data' . $draftPrefix}, $items);
            }
        }
        return Qs_Array::get($this->{'_data' . $draftPrefix}, $field);
    }

    public function draftHtmlBlock($idBlock)
    {
        $rowset = $this->_getTable('HtmlBlock')->find($idBlock);
        if (!count($rowset)) {
            return false;
        }
        $htmlBlockData = $rowset->current()->toArray();
        unset($htmlBlockData['id']);
        $id_draft_block = $this->_getTable('DraftHtmlBlock')->insert($htmlBlockData);
        $contentItems = $this->_getTable('HtmlBlockContent')->select()
                ->where('idBlock = ?', $idBlock)
                ->query()
                ->fetchAll();
        foreach ($contentItems as $data) {
            $data['idBlock'] = $id_draft_block;
            $this->_getTable('DraftHtmlBlockContent')->insert($data);
        }
        return $id_draft_block;
    }

    public function initNewPage(array &$page)
    {
        if (($idParent = Qs_Array::get($page, 'meta[idParent]'))) {
            $meta = &$page['meta'];
            $parent = $this->_getTable('Page')->search($idParent);
            foreach (['handler'] as $field) {
                if (empty($meta[$field])) {
                    $meta[$field] = Qs_Array::get($parent, $field);
                }
            }
        }
        return $this;
    }

    public function insertDefaultPage($defaults)
    {
        if (isset($defaults['meta'])) {
            $metaData = $defaults['meta'];
        } else {
            $metaData = array();
        }
        if (!empty($defaults['options'])) {
            $metaOptions = array(
                'methods' => array_fill(0, count($defaults['options']), 'insert'),
                'options' => array_values($defaults['options']),
            );
            $metaData = array_merge($metaData, $this->extractMeta($defaults['options']));
        } else {
            $metaOptions = null;
        }
        $metaData['sorter'] = $this->_getSorter();
        $metaData['language'] = DEFAULT_LANGUAGE;
        $this->_db->beginTransaction();
        $itemData = array();
        try {
            $this->_primaryKey = $this->insertMeta($metaData);
            $this->_updateMetaOptions($metaOptions, false, $this->_primaryKey);
            $itemData = array('idPage' => $this->_primaryKey, 'type' => 'HtmlBlock_');
            $this->_db->commit();
        } catch (Exception $e) {
            Qs_Debug::log($e->getMessage(), 3);
            $this->_db->rollBack();
        }
        if (isset($this->_primaryKey)) {
            $this->insertItem($itemData);
            return $this->_primaryKey;
        }
        return false;
    }

    public function insertDraftMeta($data = array())
    {
        return $this->insertMeta($data, true);
    }

    public function insertMeta($data = array(), $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';

        $data['idPage'] = $id = $this->_getTable($draftPrefix . 'Page')->insert($data);
        $this->_getTable($draftPrefix . 'PageContent')->insert($data);
        return $id;
    }

    public function insertDraftItem($data)
    {
        return $this->insertItem($data, true);
    }

    public function insertItem($data, $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';
        unset($data['id']);
        $this->_db->beginTransaction();
        try {
            if ($itemObject = $this->getItemObject($data['type'])) {
                $itemObject->setLanguage($this->getLanguage());
                $itemObject->setDraftPrefix($draftPrefix);
                $itemData = isset($data['data'])?$data['data']:array();
                $data['number'] = $itemObject->insert($itemData);
            }
            if (!isset($data['sorter'])) {
                $idGroup = (isset($data['idGroup'])) ? $data['idGroup'] : 1;
                $data['sorter'] = 1 + $this->{"get{$draftPrefix}ItemSorter"}($data['idPage'], $idGroup);
            }
            $id = $this->_getTable($draftPrefix . 'PageItem')->insert($data);
            $this->touch($draft);
            $this->_db->commit();
            return $id;
        } catch (Exception $e) {
            Qs_Debug::log($e->getMessage(), 3);
            $this->_db->rollBack();
        }
        return false;
    }

    public function getDraftItemSorter($idPage, $idGroup)
    {
        return $this->getItemSorter($idPage, $idGroup, true);
    }

    public function getItemSorter($idPage, $idGroup, $draft = true)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';
        $select = $this->_db->select();
        $select->from($this->_getTableName($draftPrefix . 'PageItem'), 'MAX(sorter)');
        $select->where('`idPage` = ' . $this->_db->quote($idPage, Zend_Db::INT_TYPE));
        $select->where('`idGroup` = ' . $this->_db->quote($idGroup, Zend_Db::INT_TYPE));
        $sorter = (int)$this->_db->fetchOne($select);
        return $sorter;
    }

    public function updateDraftItem($id, $type, $data)
    {
        return $this->updateItem($id, $type, $data, true);
    }

    public function updateItem($id, $type, $data, $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';

        /** @var $row Zend_Db_Table_Row_Abstract */
        if (!($row = $this->{"get{$draftPrefix}ItemRow"}($id))) {
            return false;
        }
        $this->setPrimaryKey($row->idPage);
        $this->_db->beginTransaction();
        try {
            if (isset($data['config']) && !empty($data['config'])) {
                $this->updateItemConfig($id, $data['config'], $draft);
            }
            $data['changed'] = date('Y-m-d H:i:s');
            $row->setFromArray($data);
            $row->save();
            if (isset($data['data'])) {
                if ($itemObject = $this->getItemObject($row->type)) {
                    $itemObject->setLanguage($this->getLanguage());
                    $itemObject->setDraftPrefix($draftPrefix);
                    $itemObject->setPrimaryKey($row->number);
                    $itemObject->update($data['data']);
                }
            }
            $this->_db->commit();
            $this->touch($draft);
           return true;
        } catch (Exception $e) {
            Qs_Debug::log($e->getMessage(), 3);
            $this->_db->rollBack();
        }
        return false;
    }

    public function updateItemConfig($id, array $data, $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';
        $data = Qs_Array::collapse($data);
        $sql = 'DELETE '
             . 'FROM ' . $this->_db->quoteIdentifier($this->_getTableName("{$draftPrefix}PageItemConfig")) . ' '
             . 'WHERE `idItem` = ' . $this->_db->quote($id, Qs_Db::INT_TYPE);
        $this->_db->query($sql);
        foreach ($data as $name => $value) {
            $updateData = array(
                'idItem' => $id,
                'name'   => $name,
                'value'  => $value
            );
            $this->_getTable($draftPrefix . 'PageItemConfig')->insert($updateData);
        }
    }

    public function updateDraftMeta($data = array())
    {
        return $this->updateMeta($data, true);
    }

    protected function _metaOptionsFromForm($data = array(), $draft = false)
    {
        $metaOptions = array();
        if (false === ($oldValues = $this->getMetaOptions($this->getPrimaryKey(), $draft, true))) {
            $oldValues = array();
        }
        $defOptions = $this->_getDefaultMetaOptions($this->getPrimaryKey());
        $availableOptions = array_keys($defOptions);
        $defValues = array_merge($defOptions, $oldValues);
        foreach ($availableOptions as $name) {
            if (!array_key_exists($name, $data)) {
                continue;
            }
            $allowName = $name . '4Dummy';
            $method = array_key_exists($name, $oldValues) ? 'update' : 'insert';
            $option = array();
            $option['idPage'] = $this->getPrimaryKey();
            $option['name'] = $name;
            $option['show'] = array_key_exists($allowName, $data) ? $data[$allowName] : $defValues[$name]['show'];
            $option['value'] = array_key_exists($name, $data) ? $data[$name] : $defValues[$name]['value'];
            $metaOptions['methods'][] = $method;
            $metaOptions['options'][] = $option;
        }
        return $metaOptions;
    }

    public function updateMeta($data = array(), $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';
        $metaOptions = $this->_metaOptionsFromForm($data, $draft);
        if (isset($data['redirect']) && isset($data['redirectType'])) {
            if ($data['redirectType'] == 'page' && isset($data['redirectPageId'])) {
                $data['redirectAlias'] = BASE_URL_LANGUAGE . '/' . Qs_SiteMap::findFirst(array('id' => $data['redirectPageId']), null, null, 'fullAlias');
            }
            $data['redirectAlias'] = str_replace(BASE_URL_LANGUAGE, '{BASE_URL}', $data['redirectAlias']);
        }
        unset($data['id'], $data['idPage']);
        $this->_db->beginTransaction();
        try {
            $this->_getTable($draftPrefix . 'Page')->updateByKey($data, $this->getPrimaryKey());
            $where = '`idPage` = ' . $this->_db->quote($this->getPrimaryKey(), Zend_Db::INT_TYPE) . ' '
                 . 'AND `language` = ' . $this->_db->quote($this->getLanguage());
            if ($row = $this->_getTable($draftPrefix . 'PageContent')->fetchRow($where)) {
                $row->setFromArray($data);
                $row->save();
            } else {
                $data['idPage'] = $this->getPrimaryKey();
                $data['language'] = $this->getLanguage();
                $this->_getTable($draftPrefix . 'PageContent')->insert($data);
            }
            if (isset($metaOptions)) {
                $this->_updateMetaOptions($metaOptions, $draft);
            }
            $this->_db->commit();
            $this->touch($draft);
            return true;
        } catch (Exception $e) {
            Qs_Debug::log($e->getMessage(), 3);
            $this->_db->rollBack();
        }
        return false;
    }

    protected function _updateMetaOptions($metaOptions = array(), $draft = false, $idPage = null)
    {
        if (empty($metaOptions) || !isset($metaOptions['methods']) || !isset($metaOptions['options'])) {
            return false;
        }
        $idParent = ($idPage) ? intval($idPage) : $this->getPrimaryKey();
        $draftPrefix = ($draft) ? 'Draft' : '';
        $optionsTable = $this->_getTable($draftPrefix.'PageOption');
        foreach ($metaOptions['methods'] as $key => $method) {
            if ($method == 'insert') {
                if (!isset($metaOptions['options'][$key]['idPage'])) {
                    $metaOptions['options'][$key]['idPage'] = $idParent;
                }
                $optionsTable->insert($metaOptions['options'][$key]);
            } else {
                $where = $this->_db->quoteInto('(`idPage`=?) ', $idParent)
                       . $this->_db->quoteInto('AND (`name`=?)', $metaOptions['options'][$key]['name']);
                $optionsTable->update(
                    $metaOptions['options'][$key],
                    $where
                );
            }
            $option = &$metaOptions['options'][$key];
            if ('enabled' == $option['name'] && 'n' == $option['value']) {
                $this->_updateSubPageEnabledOption($idParent, $option['value'], $draft);
            }
        }
        return true;
    }

    protected function _updateSubPageEnabledOption($idParent, $value, $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';
        $optionTable = $this->_getTable($draftPrefix . 'PageOption');
        $pageTable = $this->_getTable($draftPrefix . 'Page');
        $ids = $this->_getChildIds($idParent, $draft, ['system' => 'n']);
        foreach ($ids as $id) {
            $data['idPage'] = $id;
            $where = $this->_db->quoteInto('(`idPage` = ?) ', $id)
                   . $this->_db->quoteInto('AND (`name` = ?)', 'enabled');
            $optionTable->update(['idPage' => $id, 'value' => $value], $where);
            if ($draft) {
                $pageTable->updateDataBy(['enabled' => $value], ['id' => $id, 'system' => 'n']);
            } else {
                $pageTable->updateBy(['enabled' => $value], ['id' => $id, 'system' => 'n']);
            }
            $this->_updateSubPageEnabledOption($id, $value, $draft);
        }
        return $this;
    }

    protected function _where4Sorter(Zend_Db_Select $select)
    {
        $select->where("`{$this->_tableAlias}`.`idParent` = ?", $this->idParent);
        return $this;
    }

    public function deleteDraftItem($id_item)
    {
        return $this->deleteItem($id_item, true);
    }

    public function deleteItem($id_item, $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';

        if (false === ($itemRow = $this->{"get{$draftPrefix}ItemRow"}($id_item))) {
            return false;
        };
        if ($itemObject = $this->getItemObject($itemRow->type)){
            $itemObject->setPrimaryKey($itemRow->number);
            $itemObject->setDraftPrefix($draftPrefix);
            $itemObject->delete();
        }
        $this->_getTable($draftPrefix . 'PageItem')->delete('`id` = ' . $this->_db->quote($id_item, Zend_Db::INT_TYPE));
        $this->_getTable($draftPrefix . 'PageItemConfig')->delete('`idItem` = ' . $this->_db->quote($id_item, Zend_Db::INT_TYPE));
        $this->touch($draft);

        return true;
    }

    public function getItemGroupNames()
    {
        if (null === $this->_itemGroupNames) {

            $cache = Qs_Cache::factory('Core', 'File', $this->_cacheFrontendOptions);
            if(!$this->_itemGroupNames = $cache->load(self::PAGE_ITEM_GROUP_NAMES_CACHE_ID)) {
                $select = $this->_db->select();
                $select->from($this->_getTableName('DPageItemGroup'), array('name', 'title'));
                $select->order('sorter');
                $this->_itemGroupNames = $this->_db->fetchPairs($select);
                $cache->save($this->_itemGroupNames, self::PAGE_ITEM_GROUP_NAMES_CACHE_ID);
            }
        }
        return $this->_itemGroupNames;
    }

    public function getGroupIdByName($name)
    {
        $select = $this->_db->select();
        $select->from($this->_getTableName('DPageItemGroup'), array('id'));
        $select->where('`name` = ?', $name);
        return $this->_db->fetchOne($select);
    }

    public function reorderDraftItemsGroup($order)
    {
        if (!is_array($order) || empty($order)) {
            return false;
        }
        foreach ($order as $id => $sorter) {
            $this->_getTable('DraftPageItem')->update(
                array('sorter' => $sorter),
                'id = ' . $this->_db->quote($id, Zend_Db::INT_TYPE)
            );
        }
        $this->touchDraft();

        return true;
    }

    protected function _getDraftDataEx()
    {
        return $this->_getDataEx(true);
    }

    protected function _getDataEx($draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';

        if (null === $this->_dataEx) {
            $id = intval($this->getPrimaryKey());
            if (!($rowMeta = $this->_getMetaRow($id, $draft))) {
                return false;
            };
            $this->_dataEx = Qs_Array::excludeKey($rowMeta->toArray(), 'added', 'changed');

            $this->_dataEx['content'] = array();
            $stmt = $this->_getTable($draftPrefix . 'PageContent')->select()
                ->where('idPage = ?', $id)
                ->query();
            while ($row = $stmt->fetch()) {
                $this->_dataEx['content'][$row['language']] = Qs_Array::excludeKey($row, 'idPage', 'language', 'added', 'changed');
            }

            $this->_dataEx['items'] = array();
            $stmt = $this->_getTable($draftPrefix . 'PageItem')->select()
                ->where('idPage = ?', $id)
                ->query();
            while ($row = $stmt->fetch()) {
                $item = Qs_Array::excludeKey($row, 'id', 'idPage', 'number', 'added', 'changed');
                if ($itemObject = $this->getItemObject($row['type'])) {
                    $itemObject->setDraftPrefix($draftPrefix);
                    $itemObject->setPrimaryKey($row['number']);
                    if ($data = $itemObject->getDataEx()) {
                        $item['data'] = $data;
                    }
                }
                $item['config'] = Qs_Array::expand($this->_getItemConfig($row['id'], $draft));
                $this->_dataEx['items'][] = $item;
            }
        }
        return $this->_dataEx;
    }

    protected function _getItemConfig($idItem, $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';
        $select = $this->_db->select();
        $select->from($this->_getPair($draftPrefix . 'PageItemConfig'), array('name', 'value'));
        $select->where("`{$draftPrefix}PageItemConfig`.`idItem` = ?", $idItem, Qs_Db::INT_TYPE);
        $select->order($draftPrefix . 'PageItemConfig.id');

        $data = $this->_db->fetchPairs($select);
        $data = Qs_Array::expand($data);

        return $data;
    }

    protected function _getItemsConfigs(array $itemIds, $draft = false)
    {
        $data = array();

        if ($itemIds) {
            $draftPrefix = ($draft) ? 'Draft' : '';
            $select = $this->_db->select();
            $select->from($this->_getPair($draftPrefix . 'PageItemConfig'), array('idItem', 'name', 'value'));
            $select->where("`{$draftPrefix}PageItemConfig`.`idItem` IN (?)", $itemIds, Qs_Db::INT_TYPE);
            $select->order($draftPrefix . 'PageItemConfig.id');

            $list = $this->_db->fetchAll($select, array(), Qs_Db::FETCH_GROUP);
            foreach ($list as $itemId => $config) {
                foreach ($config as $option) {
                    $data[$itemId][$option['name']] = $option['value'];
                }
                $data[$itemId] = Qs_Array::expand($data[$itemId]);
            }
        }

        return $data;
    }

    protected function _isValidDataEx($data)
    {
        if (!is_array($data) || empty($data)) {
            return false;
        }
        $requiredFields = array('id', 'alias', 'content');
        foreach ($requiredFields as $name) {
            if (!array_key_exists($name, $data)) {
                return false;
            }
        }
        if (!is_array($data['content']) || empty($data['content'])) {
            return false;
        }
        if (isset($data['items'])) {
            if (!is_array($data['items'])) {
                return false;
            }
        }
        return true;
    }

    protected function _saveDraftDataEx($data)
    {
        return $this->_saveDataEx($data, true);
    }

    protected function _saveDataEx($data, $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';

        if (!$this->_isValidDataEx($data)) {
            throw new App_Cms_Exception('Invalid data array');
        }
        $idPage = intval($data['id']);
        if (!$idPage) {
            unset($data['id']);
        }
        $this->_db->beginTransaction();
        try {
            $idPage = $this->_getTable($draftPrefix . 'Page')->save($data, $idPage);

            foreach ($data['content'] as $language => $content) {
                $content['idPage'] = $idPage;
                $content['language'] = $language;
                $this->_getTable($draftPrefix . 'PageContent')->save($content, array($idPage, $language));
            }
            if (!isset($data['items'])) {
                return $idPage;
            }
            foreach ($data['items'] as $item) {
                if ($itemObject = $this->getItemObject($item['type'])){
                    $itemObject->setDraftPrefix($draftPrefix);
                    $item['number'] = $itemObject->insertDataEx($item['data']);
                }
                $item['idPage'] = $idPage;
                $idItem = $this->_getTable($draftPrefix . 'PageItem')->insert($item);
                if (isset($item['config']) && !empty($item['config'])) {
                    $this->updateItemConfig($idItem, $item['config'], $draft);
                }
            }
            $this->_db->commit();
            return true;
        } catch (Exception $e) {
            Qs_Debug::log($e->getMessage(), 3);
            $this->_db->rollBack();
        }
        return false;
    }

    public function publish()
    {
        if (false === ($data = $this->_getDataEx(true))) {
            return false;
        }
        if (false === ($metaOptions = $this->_getMetaOptions4Publish())) {
            return false;
        }
        $this->_updateMetaOptions($metaOptions, false);
        $this->_publishRedirection($data['id']);
        $this->deleteItems($data['id']);
        $this->_saveDataEx($data, false);
        $this->clearCache();
        $this->_updateRoot();
        $this->_updateHasBlocks();
        $this->_handleFiles();

        $event = new App_Cms_Event(array('pageId' => (int) $data['id'], 'pageData' => $data));
        Qs_Event_Dispatcher::getInstance()->dispatch('postPublish', $event, $this);
        return true;
    }

    protected function _getMetaOptions4Publish()
    {
        $idPage = intval($this->getPrimaryKey());
        $options = $this->getDraftMetaOptions($idPage, true);
        $oldOptions = $this->getMetaOptions($idPage, false, true);
        $metaOptions = array();
        foreach ($options as $name => $option) {
            $method = array_key_exists($name, (array)$oldOptions) ? 'update' : 'insert';
            unset($option['title']);
            $option['idPage'] = $idPage;
            $option['name'] = $name;
            $metaOptions['methods'][] = $method;
            $metaOptions['options'][] = $option;
        }
        return $metaOptions;
    }

    public function updateOrder(array $order)
    {
        parent::updateOrder($order);
        $this->_updateRoot();
    }

    protected function deleteDraftItems($idPage)
    {
        return $this->deleteItems($idPage, true);
    }

    protected function deleteItems($idPage, $draft = false)
    {
        $list = $this->getItemsId($idPage, $draft);
        foreach ($list as $id_item) {
            $this->deleteItem($id_item, $draft);
        }
        return $this;
    }

    public function getItemsId($idPage, $draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';
        $select = $this->_db->select();
        $select->from($this->_getPair($draftPrefix . 'PageItem'), 'id');
        $select->where("`idPage`=?", $idPage, Zend_Db::INT_TYPE);
        $list = $this->_db->fetchCol($select);
        return $list;
    }

    public function deleteDraft()
    {
        return $this->_delete(true);
    }

    public function delete()
    {
        $this->_clearErrors();
        if (null === $this->getData()) {
            $this->_addError(static::MSG_INVALID_RECORD_ID);
            return false;
        }
        $this->deleteDraft();
        $this->_delete();

        $this->clearCache();    // todo: clear site-map cache in Qs_SiteMap using Qs_Event_Dispatcher

        return 1; // affected rows
    }

    protected function _delete($draft = false, $idPage = null)
    {
        if (null === $idPage) {
            $idPage = (int) $this->getPrimaryKey();
        }

        if ($draft) {
            $draftPrefix = 'Draft';
            $eventName = 'draftPostDelete';
        } else {
            $draftPrefix = '';
            $eventName = 'postDelete';

            $this->_deleteRedirection($idPage);
            $this->_deleteFiles(null, $idPage);

            $children = $this->_getChildIds($idPage);
            if ($children) {
                foreach ($children as $childId) {
                    $this->_delete(true, $childId);
                    $this->_delete(false, $childId);
                }
            }
        }

        $this->deleteItems($idPage, $draft);

        $this->_getTable($draftPrefix . 'Page')->delete('`id` = ' . $idPage);
        $this->_getTable($draftPrefix . 'PageContent')->delete('`idPage` = ' . $idPage);

        $this->_deleteMetaOptions($idPage, $draft);

        $event = new App_Cms_Event(array('pageId' => $idPage));
        Qs_Event_Dispatcher::getInstance()->dispatch($eventName, $event, $this);

        return $this;
    }

    protected function _deleteFiles($row = null, $idPage = null)
    {
        if (null === $idPage) {
            $idPage = (int) $this->getPrimaryKey();
        }

        if (is_array($this->_fileFields) && !empty($this->_fileFields)) {
            $adapter = new Qs_File_Transfer_Adapter_Db();
            if (null === $row) {
                if (false !== ($row = $this->_getTable()->findRow($idPage))) {
                    $row = $row->toArray();
                }
            }
            if (is_array($row) && !empty($row)) {
                foreach ($this->_fileFields as $name) {
                    if (isset($row[$name]) && !empty($row[$name])) {
                        $adapter->delete($row[$name], $name);
                    }
                }
            }
            unset($adapter);
        }
    }

    protected function _getChildIds($idPage, $draft = false, array $filter = [])
    {
        $tablePrefix = ($draft) ? 'Draft' : '';
        $select = $this->_db->select();
        $select->from($this->_getPair($tablePrefix . 'Page', 'p'), 'id');
        $select->where('`idParent` = ?', (string) $idPage, Qs_Db::INT_TYPE);
        Qs_Db::filter($select, $filter, 'p');
        return $this->_db->fetchCol($select);
    }

    protected function _deleteDraftMetaOptions($idPage = null)
    {
        return $this->_deleteMetaOptions($idPage, true);
    }

    protected function _deleteMetaOptions($idPage = null, $draft = false)
    {
        $idPage = ($idPage) ? $idPage : intval($this->getPrimaryKey());
        $draftPrefix = ($draft) ? 'Draft' : '';
        return $this->_getTable($draftPrefix.'PageOption')->delete('`idPage`='.$idPage);
    }

    public function getItemTypeTitle($name)
    {
        $types = $this->getDItemType4Select();
        if (isset($types[$name])) {
            return $types[$name];
        }
        return null;
    }

    public function getLanguageNames()
    {
        return array_keys(Qs_Db_Language::getList());
    }

    public function getLanguages()
    {
        if (null === $this->_languages) {
            $this->_languages = Qs_Db_Language::getList();
        }
        return $this->_languages;
    }

    protected function _getFullAliasById($id)
    {
        if (empty($this->_id2Page)) {
            $this->getSiteMap();
        }
        if (isset($this->_id2Page[$id])) {
            return $this->_id2Page[$id]['fullAlias'];
        }
        return false;
    }

    public function getPageById($id)
    {
        return $this->_getPageById($id);
    }

    protected function _getPageById($id)
    {
        if (empty($this->_id2Page)) {
            $this->_initId2Page($this->getSiteMap());
        }
        if (isset($this->_id2Page[$id])) {
            return $this->_id2Page[$id];
        }
        return false;
    }

    protected function _initId2Page(array $siteMap)
    {
        foreach ($siteMap as $page) {
            $this->_id2Page[$page['id']] = $page;
            if (!empty($page['sub'])) {
                $this->_initId2Page($page['sub']);
            }
        }
        return $this;
    }

    public function clearCache()
    {
        $cache = Qs_Cache::factory('Core', 'File', $this->_cacheFrontendOptions);
        foreach($this->_cacheId as $id) {
            $cache->remove($id);
        }
        return $this;
    }

    public function updateIndex($data)
    {
        $this->_db->beginTransaction();
        try {
            $table = $this->_getTable("{$this->_tableAlias}Index");
            $select = $this->_db->select();
            $select->from($this->_getTableName("{$this->_tableAlias}Index"), array('id'));
            $select->where('`url` = ?', $data['url']);
            if (!($id = $this->_db->fetchOne($select))) {
                $result = $table->insert($data);
            } else {
                $result = $table->updateByKey($data, $id);
            }
            $this->_db->commit();
        } catch (Exception $e) {
            Qs_Debug::log($e->getMessage(), 3);
            $this->_db->rollBack();
            return $e;
        }

        return $result;
    }

    protected function _updateRoot()
    {
        $sql = 'UPDATE ' . $this->_db->quoteIdentifier($this->_tableName) . ' SET `isRoot` = \'n\'';
        $this->_db->query($sql);
        $select = $this->_db->select();
        $select->from($this->_getPair(), 'id');
        $select->where('`Page`.`idParent` = 0');
        $select->join($this->_getPair('DPageOption'), '`DPageOption`.`name` = "isAdditional"', array())
            ->joinLeft(
                $this->_getPair('PageOption'),
                '`Page`.`id` = `PageOption`.`idPage` AND `PageOption`.`name` = `DPageOption`.`name`',
                array()
            )
            ->where('IFNULL(`PageOption`.`value`, `DPageOption`.`value`) = "n"');
        $select->order('Page.sorter');
        $select->limit(1);
        $rootId = $this->_db->fetchOne($select);
        $sql = 'UPDATE ' . $this->_db->quoteIdentifier($this->_tableName) . ' '
             . 'SET `isRoot` = \'y\' '
             . 'WHERE id = ' . $this->_db->quote($rootId, Qs_Db::INT_TYPE);
        $this->_db->query($sql);
    }

    protected function _updateHasBlocks()
    {
        $select = $this->_db->select();
        $select->from($this->_tableName . 'Item', new Zend_Db_Expr('1'))
               ->where('`idPage` = ' . (int) $this->getPrimaryKey());
        $hasBlocks = (bool) $this->_db->fetchOne($select);

        $sql = 'UPDATE ' . $this->_db->quoteIdentifier($this->_tableName)
             . "SET `hasBlocks` = '" . (($hasBlocks) ? 'y' : 'n') . "' "
             . "WHERE id = " . (int) $this->getPrimaryKey();
        $this->_db->query($sql);
    }

    public function deleteIndex($idPage)
    {
        throw new Qs_Exception('deleteIndex - ' . $idPage);
    }

    public function reindexPage($idPage)
    {
        throw new Qs_Exception('reindexPage - ' . $idPage);
    }

    public function touchDraft()
    {
        return $this->touch(true);
    }

    public function touch($draft = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';
        $this->_getTable($draftPrefix . 'Page')->updateByKey(array('changed' => date('Y-m-d H:i:s')), $this->_primaryKey);
        return $this;
    }

    public function getDraftMetaOptions($idPage, $ignoreDefault = false)
    {
        return $this->getMetaOptions($idPage, true, $ignoreDefault);
    }

    public function getMetaOptions($idPage, $draft = false, $ignoreDefault = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';
        $ignorePrefix = ($ignoreDefault) ? 'Clean' : '';
        if (!isset($this->{"_data{$draftPrefix}{$ignorePrefix}MetaOptions"}[$idPage])) {
            $options = $this->_getPageOptions($idPage, null, $draft, $ignoreDefault);
            if (is_array($options) && array_key_exists('enabled', $options) && $this->isParentDisabled($idPage)) {
                $options['enabled']['disabled'] = true;
            }
            $this->{"_data{$draftPrefix}{$ignorePrefix}MetaOptions"}[$idPage] = $options;
        } else {
            $options = $this->{"_data{$draftPrefix}{$ignorePrefix}MetaOptions"}[$idPage];
        }
        return $options;
    }

    protected function _getPageOptions($idPage, $meta = null, $draft = false, $ignoreDefault = false)
    {
        $draftPrefix = ($draft) ? 'Draft' : '';
        $pageOptions = ($ignoreDefault) ? array() : $this->_getDefaultMetaOptions($idPage);
        if (!$ignoreDefault) {
            if (null === $meta) {
                $meta = $this->_getMetaRow($idPage, $draft);
                $meta = ($meta) ? $meta->toArray() : array();
            }
            foreach ($meta as $name => $value) {
                if (array_key_exists($name, $pageOptions)) {
                    $pageOptions[$name]['value'] = $value;
                }
            }
        }
        $select = $this->_db->select();
        $select->from($this->_getPair($draftPrefix . 'PageOption'));
        $select->joinLeft(
            $this->_getPair('DPageOption'),
            "`DPageOption`.`name` = `{$draftPrefix}PageOption`.`name`",
            array('title')
        );
        $select->where("`{$draftPrefix}PageOption`.`idPage`=?", intval($idPage));
        $select->order('sorter');
        $data = $this->_db->fetchAll($select);
        foreach ($data as $option) {
            $pageOptions[$option['name']] = array(
                'name'  => $option['name'],
                'show'  => $option['show'],
                'value' => $option['value'],
                'title' => $option['title'],
            );
        }

        return ($ignoreDefault && empty($pageOptions)) ? false : $pageOptions;
    }

    protected function _getDefaultAccountMetaOptions()
    {
        $options = $this->getConfigArray('accountDefaultOptions');
        $availableOptions = $this->_get4Select('DPageOption', array('name','title','show','value'));
        $options = Qs_Array::mergeRecursive($availableOptions, $options);
        return $options;
    }

    protected function isInAccountBranch($pageId)
    {
        $accountPageId = Qs_SiteMap::findFirst(null, ['type' => 'User\\'], ['defaultAction' => 'edit'], 'idParent');
        do {
            if ($accountPageId == $pageId) {
                return true;
            }
        } while ($pageId = $this->_getTable('Page')->search($pageId, 'idParent'));
        return false;
    }

    protected function _getDefaultMetaOptions($pageId)
    {
        if ($this->isInAccountBranch($pageId)) {
            return $this->_getDefaultAccountMetaOptions();
        }
        static $pageOptions = null;
        if (null === $pageOptions) {
            $pageOptions = array(
                'showInSiteMap'   => array('show' => 'y', 'value' => 'n', 'title' => 'Show in Sitemap'),
                'isIndexing'      => array('show' => 'y', 'value' => 'y', 'title' => 'Show in Sitemap.xml'),
                'showInMenu'      => array('show' => 'y', 'value' => 'n', 'title' => 'Show in Menu'),
                'showInFooter'    => array('show' => 'y', 'value' => 'n', 'title' => 'Show in Footer'),
                'enabled'         => array('show' => 'y', 'value' => 'y', 'title' => 'Show on User End'),
                'allowDelete'     => array('show' => 'n', 'value' => 'n', 'title' => 'Allow Delete'),
                'isSecure'        => array('show' => 'n', 'value' => 'n', 'title' => 'Secure Page'),
                'final'           => array('show' => 'n', 'value' => 'n', 'title' => 'Final Page'),
                'system'          => array('show' => 'n', 'value' => 'n', 'title' => 'System (hidden in admin end)'),
                'showInDropdowns' => array('show' => 'n', 'value' => 'y', 'title' => 'Include in the result of the method App_Cms_Obj::getPages4Select()'),
            );

            $availableOptions = $this->_get4Select('DPageOption', array('name','title','show','value'));
            $pageOptions = array_merge($pageOptions, $availableOptions);
        }
        return $pageOptions;
    }

    public function getDefaultMetaPairs()
    {
        static $result = null;
        if (null === $result) {
            $result = $this->_get4Select('DPageOption', array('name', 'value'), null, 'sorter');
        }
        return (array) $result;
    }

    protected function extractMeta($options)
    {
        if (!is_array($options)) {
            return false;
        }
        $meta = array();
        foreach ($options as $name => $option) {
            $meta[$name] = (is_array($option)) ? $option['value'] : $option;
        }
        return $meta;
    }

    public function isRedirectFields()
    {
        $redirectFields = array('redirect', 'redirectType', 'redirectPageId', 'redirectStatus', 'redirectAlias');
        $metaData = $this->_getTable($this->_tableAlias)->getMetaData();
        $diff = array_diff($redirectFields, array_keys($metaData));
        if (empty($diff)) {
            return true;
        }
        return false;
    }

    protected function _getReorderSelect($isAdditional = false)
    {
        $select = parent::_getReorderSelect();
        if (0 === $this->idParent && null !== $isAdditional) {
            $select->joinLeft(
                $this->_getPair('PageOption'),
                "(`PageOption`.`idPage` = `" . $this->_tableAlias . "`.`id`) AND (`PageOption`.`name` = 'isAdditional')",
                array('PageOption.value')
            );
            $select->group($this->_tableAlias . '.id');
            if (true === $isAdditional) {
                $select->where("PageOption.value = 'y'");
            } else {
                $select->where("PageOption.value IS NULL OR PageOption.value = 'n'");
            }
        }
        return $select;
    }

    public function getReorderOptions($keyColumn = null, $titleColumn = null, $isAdditional = null)
    {
        $keyColumn = (null === $keyColumn) ? $this->_reorderKeyColumn : $keyColumn;
        $titleColumn = (null === $titleColumn) ? $this->_reorderTitleColumn : $titleColumn;
        $list = $this->_db->fetchAll($this->_getReorderSelect((bool) $isAdditional));
        $options = array();
        foreach ($list as $row) {
            $options[$row[$keyColumn]] = $row[$titleColumn];
        }
        return $options;
    }

    public function setRedirection($value)
    {
        $this->_hasRedirection = (bool) $value;
        return $this;
    }

    public function getRedirection()
    {
        return (false !== $this->_hasRedirection);
    }

    protected function _getRedirectionObj()
    {
        return new App_Redirection_Obj();
    }

    protected function _deleteRedirection($idPage)
    {
        if ($this->getRedirection()) {
            $this->_getRedirectionObj()->removePageRedirection($idPage);
            return true;
        }
        return false;
    }

    protected function _publishRedirection($idPage)
    {
        if ($this->getRedirection()) {
            $this->_getRedirectionObj()->updatePageRedirection($idPage);
            return true;
        }
        return false;
    }

    public function setSuMode($suMode = true)
    {
        $this->_suMode = (bool) $suMode;
        return $this;
    }

    public function getSuMode()
    {
        return $this->_suMode;
    }

    public static function getImageHeaderExcludePageIds()
    {
        $pages = array();
        /** @var $selectors Zend_Config */
        if (null === ($selectors = Qs_Application::getConfig('cms')->get('headerImageExcludePages'))
            || !$selectors->count()
        ) {
            return $pages;
        }
        $selectors = $selectors->toArray();
        foreach ($selectors as $selector) {
            if (empty($selector)) {
                continue;
            }
            if (is_array($selector)) {
                $selector = array_slice($selector, 0, 3);
                $selector = array_pad($selector, 3, null);
                $selector[] = 'id';
                $id = call_user_func_array('Qs_SiteMap::findAll', $selector);
            } else {

                $id = Qs_SiteMap::findAll($selector, 'id');
            }
            if (!empty($id)) {
                if (is_array($id)) {
                    $pages = array_merge($pages, $id);
                } else {
                    $pages[] = $id;
                }
            }
        }
        return $pages;
    }

    public function getBodyTemplate4Select($handler = 'site')
    {
        $handlerClass = 'App_Doc_' . ucfirst($handler);
        $handlerFile = BASE_PATH . '/App/Doc/' . ucfirst($handler) . '.php';
        if (!file_exists($handlerFile)) {
            throw new App_Cms_Exception('Handler file not found: ' . $handlerFile);
        }
        /** @var $handlerObj Qs_Doc */
        $handlerObj = new $handlerClass(array('authentication' => false));
        $paths = (array) $handlerObj->getTemplatePath();
        unset($handlerObj);
        $files = array();
        foreach ($paths as $path) {
            $dir = BASE_PATH . '/tpl/' . $path . '/Body';
            if (file_exists($dir) && is_dir($dir)) {
                $pattern = $dir . '/*.tpl';
                $_files = glob($pattern);
                if ($_files) {
                    $files = array_merge($files, $_files);
                }
            }
        }
        $templates = array();
        foreach ($files as $file) {
            $templates[basename($file)] = basename($file);
        }
        return $templates;
    }

    public function getFilteredHtmlBlockViewContent($content)
    {
        if (empty($content)) {
            return $content;
        }
        $content = mb_convert_encoding($content, 'HTML-ENTITIES', 'UTF-8');
        $content = preg_replace("/\<script[^\>]*\>.*\<\/script\>/imsUu", '', $content);

        $dom = new Zend_Dom_Query();
        $dom->setDocumentHtml($content);

        $results = $dom->query('form');
        foreach ($results as $tag) {
            /** @var $tag DOMElement */
            foreach (array('action', 'autocomplete', 'enctype', 'method', 'name', 'target', 'onsubmit') as $attribute) {
                $tag->removeAttribute($attribute);
            }
        }
        $document = new DOMDocument();
        $body = $results->getDocument()->documentElement->firstChild;
        for ($i = 0; $i < $body->childNodes->length; $i++) {
            $document->appendChild($document->importNode($body->childNodes->item($i), true));
        }
        $content = $document->saveHtml();
        $content = str_replace(array('<form', '</form>'), array('<div', '</div>'), $content);
        return $content;
    }

    public function getItemView($item)
    {
        $doc = Zend_Registry::get('doc');
        if (!array_key_exists($item['id'], $this->_itemView)) {
            $class = Qs_SiteMap::getItemTypeClass($item['type'], 'View');
            if (class_exists($class)) {
                /** @var $itemObj Qs_ViewController */
                $itemObj = new $class($item);
                $itemObj->setDoc($doc);
                $this->_itemView[$item['id']] = $itemObj;
            } else {
                $this->_itemView[$item['id']] = null;
            }
        }
        return $this->_itemView[$item['id']];
    }

    public function getObjectInfo($draft = false)
    {
        $data = (array) $this->getData('meta', $draft);
        if (array_key_exists('title', $data)) {
            $data['itemTitle'] = $data['menuTitle'];
        }
        return $data;
    }

    public function isAdditional($pageId = null, $isDraft = null)
    {
        if (null === $pageId) {
            $pageId = $this->getPrimaryKey();
        }

        $select = $this->_db->select();
        if (null === $isDraft) {
            $what = 'IF (`DraftPageOption`.`value` IS NULL, `PageOption`.`value`, `DraftPageOption`.`value`)';
            $select->from($this->_getPair('PageOption'), new Zend_Db_Expr($what));
            $select->where('`PageOption`.`idPage` = ?', $pageId, Qs_Db::INT_TYPE);
            $select->where('`PageOption`.`name` = "isAdditional"');

            $select->joinLeft(
                $this->_getPair('DraftPageOption'),
                '`DraftPageOption`.`idPage` = `PageOption`.`idPage` AND `DraftPageOption`.`name` = `PageOption`.`name`',
                ''
            );
        } else {
            $tableAlias = (($isDraft) ? 'Draft' : '') . 'PageOption';
            $select->from($this->_getPair($tableAlias), 'value');
            $select->where('`idPage` = ?', $pageId, Qs_Db::INT_TYPE);
            $select->where('`name` = "isAdditional"');
        }

        return ('y' == $this->_db->fetchOne($select));
    }

    public function isParentDisabled($pageId = null, $recursive = true)
    {
        if (null === $pageId) {
            $pageId = $this->getPrimaryKey();
        }

        $parentSelect = $this->_db->select();
        $parentSelect->from($this->_getPair($this->_tableAlias, 'Parent' . $this->_tableAlias), 'idParent');
        $parentSelect->where('`Parent' . $this->_tableAlias . '`.`id` = ?', $pageId, Qs_Db::INT_TYPE);

        $what  = array();
        $what[] = 'id';
        $what[] = 'idParent';
        $what['enabled'] = 'IF ('
                         . '   `Draft' . $this->_tableAlias . '`.`id` IS NULL, '
                         . '   `' . $this->_tableAlias . '`.`enabled`, '
                         . '   `Draft' . $this->_tableAlias . '`.`enabled`'
                         . ')';
        $select = $this->_db->select();
        $select->from($this->_getPair(), $what);
        $select->joinLeft(
            $this->_getPair('Draft' . $this->_tableAlias),
            '`' . $this->_tableAlias . '`.`id` = `Draft' . $this->_tableAlias . '`.`id`',
            array()
        );
        $select->where('`' . $this->_tableAlias . '`.`id` = ?', $parentSelect);

        $page = $this->_db->fetchRow($select);

        if (!$page) {
            return false;
        }
        if ($recursive && $page['idParent'] && 'y' == $page['enabled']) {
            return $this->isParentDisabled($page['id'], $recursive);
        }
        return ('n' == $page['enabled']);
    }
}