File models/lang_text.php | BEdita API doc

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<?php
/*-----8<--------------------------------------------------------------------
 * 
 * BEdita - a semantic content management framework
 * 
 * Copyright 2008, 2010 ChannelWeb Srl, Chialab Srl
 * 
 * This file is part of BEdita: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published 
 * by the Free Software Foundation, either version 3 of the License, or 
 * (at your option) any later version.
 * BEdita is distributed WITHOUT ANY WARRANTY; without even the implied 
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License 
 * version 3 along with BEdita (see LICENSE.LGPL).
 * If not, see <http://gnu.org/licenses/lgpl-3.0.html>.
 * 
 *------------------------------------------------------------------->8-----
 */

/**
 * Lang text object for translation
 *
 * @version         $Revision$
 * @modifiedby      $LastChangedBy$
 * @lastmodified    $LastChangedDate$
 * 
 * $Id$
 */
class LangText extends BEAppModel
{
    var $belongsTo = array(
        'BEObject' =>
            array(
                'fields'    => 'id, status',
                'foreignKey'    => 'object_id'
            )
    );

    static $paginationOrder, $paginationDir;

    /**
     * Return translations of fields for an object
     * 
     * @param int $object_id
     * @return array
     */
    public function langsForObject($object_id) {
        $result = array();
        $langs=$this->find('all',
            array(
                'fields'=>array('lang'),
                'conditions'=>array("LangText.object_id = '$object_id'","LangText.name = 'status'")
            )
        );
        foreach($langs as $k => $v) {
            $result[]=$v['LangText']['lang'];
        }
        return $result;
    }

    /**
     * Return object translations performing a search by $filter, including paginating data.
     * 
     * @param array $filter
     * @param string $order
     * @param boolean $dir
     * @param int $page
     * @param int $dim
     * @param array $excludeIds
     * @throws BeditaException
     * @return array
     */
    public function findObjs($filter = null, $order = null, $dir  = true, $page = 1, $dim = 100000, $excludeIds=array()) {

        $s = $this->getStartQuote();
        $e = $this->getEndQuote();
        
        // build sql conditions
        $db =& ConnectionManager::getDataSource($this->useDbConfig);
        $beObject = ClassRegistry::init("BEObject");
        $beObjFields = $db->fields($beObject);
        $beObjFields = implode(",", $beObjFields);
        
        $langTextFields = $db->fields($this);
        $langTextFields = implode(",", $langTextFields);
        
        $fields  = "DISTINCT {$beObjFields}, {$langTextFields}" ;
        $from = "{$s}lang_texts{$e} as {$s}LangText{$e} LEFT OUTER JOIN {$s}objects{$e} 
            as {$s}BEObject{$e} ON {$s}LangText{$e}.{$s}object_id{$e}={$s}BEObject{$e}.{$s}id{$e}";
        $conditions = array();
        
        $beObjGroupBy = $this->fieldsString("BEObject");
        $langTextGroupBy = $this->fieldsString("LangText");
        $groupClausole = "GROUP BY {$beObjGroupBy}, {$langTextGroupBy}";
        
        $conditions = array("LangText.name = 'status'");

        if( !empty($filter['lang']) && ($filter['lang']!=null) ) {
            $conditions[]="LangText.lang = '" . $filter['lang'] . "'";
        }
        if( !empty($filter['status']) && ($filter['status']!=null) ) {
            $conditions[]="LangText.text = '" . $filter['status'] . "'";
        }
        if( !empty($filter['obj_id'])  && ($filter['obj_id']!=null) ) {
            $conditions[]="LangText.object_id = '" . $filter['obj_id'] . "'";
        }
        if( !empty($filter['object_type_id'])  && ($filter['object_type_id']!=null) ) {
            $conditions[]="BEObject.object_type_id = '" . $filter['object_type_id'] . "'";
        }
        
        if( !empty($order) && $order == "object_type_id")  {
            $fields .= ", {$s}ObjectType.name{$e}";
            $from .= ", {$s}object_types{$e} AS {$s}ObjectType{$e}";
            $conditions[]="ObjectType.id = BEObject.object_type_id";
            $order = "{$s}ObjectType{$e}.{$s}name{$e}";
        }
        if (!empty($order) && strstr($order,"LangText.")) {
            $t = explode(".", $order);
            $langTextOrder = $t[1];
            $order = "{$s}BEObject{$e}.{$s}modified{$e}";
        }

        $otherOrder = "";
        if (array_key_exists("query", $filter)) {
            $fields .= ", SearchText.object_id AS oid, SUM( MATCH (SearchText.content) AGAINST ('".$filter["query"]."') * SearchText.relevance ) AS points";
            $from .= ", search_texts AS SearchText";
            $conditions[] = "SearchText.object_id = BEObject.id AND SearchText.lang = LangText.lang AND MATCH (SearchText.content) AGAINST ('".$filter["query"]."')";
            $otherOrder = "points DESC ";
            unset($filter["query"]);    
        }
        
        $sqlClausole = $db->conditions($conditions, true, true) ;

        $ordClausole = "";
        if(is_string($order) && strlen($order)) {
            $beObject = ClassRegistry::init("BEObject");
            if ($beObject->hasField($order)) {
                $order = "{$s}BEObject{$e}.{$s}" . $order . $e;
            }
            $ordItem = "{$order} " . ((!$dir)? " DESC " : "");
            if(!empty($otherOrder)) {
                $ordClausole = "ORDER BY " . $ordItem .", " . $otherOrder;
            } else {
                $ordClausole = " ORDER BY {$order} " . ((!$dir)? " DESC " : "") ;
            }
        } elseif (!empty($otherOrder)) {
            $ordClausole = "ORDER BY {$otherOrder}";
        }
        
        $limit  = $this->getLimitClausole($dim, $page) ;
        // #CUSTOM QUERY
        $query = "SELECT {$fields} FROM {$from} {$sqlClausole} {$groupClausole} {$ordClausole} {$limit}";
        $tmp    = $this->query($query) ;

        if ($tmp === false)
            throw new BeditaException(__("Error finding translations", true));

        $objects = array();
        foreach($tmp as $tr) {
            $object_id = $tr['LangText']['object_id'];
            $lang = $tr['LangText']['lang'];
            $translationTitle = $this->field("text", 
                array("object_id"=>$object_id, "lang"=>$lang, "name"=>"title"));

            $objects[] = array("LangText" => array(
                "id" => $tr['LangText']["id"], "object_id" => $object_id, "lang" => $tr['LangText']["lang"],
                "status" => $tr['LangText']["text"], "title" => $translationTitle), 
                "BEObject" => $tr['BEObject']);
        }

        // #CUSTOM QUERY
        $queryCount = "SELECT COUNT({$s}BEObject{$e}.{$s}id{$e}) AS count FROM {$from} {$sqlClausole}";
        $tmpCount = $this->query($queryCount);
        if ($tmpCount === false)
            throw new BeditaException(__("Error counting translations", true));
    
        $size = (empty($tmpCount[0][0]["count"]))? 0 : $tmpCount[0][0]["count"];
        
        // reorder by LangText fields
        if (!empty($langTextOrder)) {
            LangText::$paginationOrder = $langTextOrder;
            LangText::$paginationDir = $dir;
            usort($objects, array('LangText', 'reorderPagination'));
        }
        
        $recordset = array(
            "translations"  => $objects,
            "toolbar"       => $this->toolbar($page, $dim, $size)
        ) ;

        return $recordset ;
    }
    
    /**
     * compare two array elements defined by $paginationOrder var and return -1,0,1 
     * $paginationDir is used for define LangText order of comparison
     * if LangText comparison item are equals, order by BEObject.modified DESC
     * 
     * @param array $e1
     * @param array $e2
     * @return int (-1,0,1)
     */
    private static function reorderPagination($e1, $e2) {
        $d1 = $e1["LangText"][LangText::$paginationOrder];
        $d2 = $e2["LangText"][LangText::$paginationOrder];
        if ($d1 != $d2) {
            return (LangText::$paginationDir)? strcmp($d1,$d2) : strcmp($d2,$d1);
        }
        return strcmp($e2["BEObject"]["modified"],$e1["BEObject"]["modified"]);
    }

}
?>

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