<?php
// $Revision: 1.1.2.5 $
// ------------------------------------------------------------------------- //
//  XooNIps - Neuroinformatics Base Platform System                          //
//  Copyright (C) 2005-2008 RIKEN, Japan All rights reserved.                //
//  http://xoonips.sourceforge.jp/                                           //
// ------------------------------------------------------------------------- //
//  This program is free software; you can redistribute it and/or modify     //
//  it under the terms of the GNU General Public License as published by     //
//  the Free Software Foundation; either version 2 of the License, or        //
//  (at your option) any later version.                                      //
//                                                                           //
//  You may not change or alter any portion of this comment or credits       //
//  of supporting developers from this source code or any supporting         //
//  source code which is considered copyrighted (c) material of the          //
//  original comment or credit authors.                                      //
//                                                                           //
//  This program is distributed in the hope that it will be useful,          //
//  but WITHOUT ANY WARRANTY; without even the implied warranty of           //
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            //
//  GNU General Public License for more details.                             //
//                                                                           //
//  You should have received a copy of the GNU General Public License        //
//  along with this program; if not, write to the Free Software              //
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA //
// ------------------------------------------------------------------------- //

if ( ! defined( 'XOOPS_ROOT_PATH' ) ) exit();

include_once XOOPS_ROOT_PATH . '/modules/xoonips/class/xoonips_compo_item.class.php';
include_once XOOPS_ROOT_PATH . '/modules/xnppaper/iteminfo.php';
include_once XOOPS_ROOT_PATH . '/modules/xnppaper/include/view.php';

/**
 *
 * @brief Handler object that create,insert,update,get,delete XNPPaperCompo object.
 *
 */
class XNPPaperCompoHandler extends XooNIpsItemInfoCompoHandler
{
    function XNPPaperCompoHandler(&$db) 
    {
        parent::XooNIpsItemInfoCompoHandler($db, 'xnppaper');
    }
    function &create() 
    {
        $paper = new XNPPaperCompo();
        return $paper;
    }

    /**
     * return template filename
     * 
     * @param string $type defined symbol 
     *  XOONIPS_TEMPLATE_TYPE_TRANSFER_ITEM_DETAIL
     *  or XOONIPS_TEMPLATE_TYPE_TRANSFER_ITEM_LISTL
     * @return template filename
     */
    function getTemplateFileName($type){
        switch( $type ){
        case XOONIPS_TEMPLATE_TYPE_TRANSFER_ITEM_DETAIL:
            return 'xnppaper_transfer_item_detail.html';
        case XOONIPS_TEMPLATE_TYPE_TRANSFER_ITEM_LIST:
            return 'xnppaper_transfer_item_list.html';
        default:
            return '';
        }
    }
    
    /**
     * return template variables of item
     * 
     * @param string $type defined symbol 
     *  XOONIPS_TEMPLATE_TYPE_TRANSFER_ITEM_DETAIL
     *  , XOONIPS_TEMPLATE_TYPE_TRANSFER_ITEM_LIST
     *  , XOONIPS_TEMPLATE_TYPE_ITEM_DETAIL
     *  or XOONIPS_TEMPLATE_TYPE_ITEM_LIST
     * @param int $item_id
     * @param int $uid user id who get item
     * @return array of template variables
     */
    function getTemplateVar($type, $item_id, $uid){
        $paper =& $this->get( $item_id );
        if ( ! is_object( $paper ) ) {
          return array();
        }
        $result = $this->getBasicTemplateVar($type, $paper, $uid);

        $detail =& $paper -> getVar( 'detail' );
        $result['detail']=$detail->getVarArray('s');
        $result['detail']['pubmed_link']=xnppaper_create_pubmed_link( $detail->getVar('pubmed_id', 'n') );
            
        switch( $type ){
        case XOONIPS_TEMPLATE_TYPE_TRANSFER_ITEM_LIST:
        case XOONIPS_TEMPLATE_TYPE_ITEM_LIST:
            $result['author']=array();
            foreach( $paper -> getVar( 'author' ) as $author ){
                $result['author'][] = $author->getVarArray('s');
            }
            return $result;
        case XOONIPS_TEMPLATE_TYPE_ITEM_DETAIL:
        case XOONIPS_TEMPLATE_TYPE_TRANSFER_ITEM_DETAIL:
            $result['xnppaper_author']
                =xoonips_get_multiple_field_template_vars($detail->getAuthors(),
                                                          'xnppaper',
                                                          'author');
            $paper_pdf_reprint = $paper -> getVar( 'paper_pdf_reprint' );
            if( $paper_pdf_reprint -> get( 'item_id' ) == $item_id ){
                $result['detail']['paper_pdf_reprint'] = $this -> getAttachmentTemplateVar($paper -> getVar( 'paper_pdf_reprint' ) );
            }

            return $result;
        }
        return $result;
    }
    
    
    /**
     * return true if user has permission to download file
     * @param int uid user id
     * @param int file_id file id
     */
    function hasDownloadPermission( $uid, $file_id ){
        $file_handler =& xoonips_getormhandler( 'xoonips', 'file' );
        $file =& $file_handler->get( $file_id );
        if ( !$file ) return false; // no such file
        
        $item_id = $file->get( 'item_id' );
        if ( !$item_id ) return false; // file is not belong to any item
        
        $item_compo = $this->get( $item_id );
        if ( !$item_compo ) return false; // bad item
        
        $detail = $item_compo->getVar('detail');
        if ( !$detail ) return false; // bad item
        
        if ( ! $this->getPerm( $item_id, $uid, 'read' ) ) return false; // no permission
        
        // retrieve config of pdf and abstract
        $mhandler =& xoops_gethandler('module');
        $module = $mhandler->getByDirname( 'xnppaper' );
        $chandler = & xoops_gethandler('config');
        $assoc = $chandler->getConfigsByCat(false, $module->mid());
        $pdf_access_rights = $assoc['pdf_access_rights']; // 1:public, 2:group, 3:private
        
        
        if ( $pdf_access_rights == 1 ){ // 1:public
            return true;
        }
        
        // moderator or admin?
        $member_handler =& xoonips_gethandler('xoonips', 'member');
        if ( $member_handler->isModerator($uid) || $member_handler->isAdmin($uid) ){
            return true; // moderator or admin or public
        }
        
        if ( $pdf_access_rights == 2 ){ // 2:group
            $index_item_link_handler =& xoonips_getormhandler( 'xoonips', 'index_item_link' );
            $index_handler =& xoonips_getormhandler( 'xoonips', 'index' );
            $index_item_links = $index_item_link_handler->getByItemId( $item_id, array( OL_GROUP_ONLY ) );
            foreach ( $index_item_links as $index_item_link ){
                if ( $index_item_link->get( 'certify_state' ) == CERTIFIED ){
                    if ( $index_handler->getPerm( $index_item_link->get( 'index_id' ), $uid, 'read' ) ){
                        return true; // group member && item certified
                    }
                    if ( $index_item_link_handler->getPerm( $index_id, $item_id, $uid, 'certify' ) ){
                        return true; // group admin && item not certified
                    }
                }
            }
        }
        
        // private?
        $basic = $item_compo->getVar('basic');
        if ( $uid == $basic->get( 'uid' ) ){
            return true;
        }
        
        return false;
    }
}

/**
 *
 * @brief Data object that have one ore more XooNIpsTableObject for Paper type.
 *
 */
class XNPPaperCompo extends XooNIpsItemInfoCompo
{
    function XNPPaperCompo() 
    {
        parent::XooNIpsItemInfoCompo('xnppaper');
    }
}
?>
