<?php
// $Revision: 1.47.2.1.2.28 $
// ------------------------------------------------------------------------- //
//  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();
}

$itemtype_path = dirname( dirname( __FILE__ ) );
$itemtype_dirname = basename( $itemtype_path );

$langman =& xoonips_getutility( 'languagemanager' );
$langman->read( 'main.php', $itemtype_dirname );

function _xnpbook_get_detail_request( $do_escape = false ) {
  $textutil =& xoonips_getutility( 'text' );
  $detail = array();
  $formdata =& xoonips_getutility( 'formdata' );
  $keys = array(
    'editor' => 's',
    'publisher' => 's',
    'isbn' => 's',
    'url' => 's',
    'attachment_dl_limit' => 'i',
    'attachment_dl_notify' => 'i',
  );
  foreach ( $keys as $key => $type ) {
    $tmp = $formdata->getValue( 'post', $key, $type, false );
    if ( is_null( $tmp ) ) {
      $detail[$key] = null;
    } else {
      if ( $key == 'url' ) {
        $detail[$key] = preg_replace( array( '/javascript:/i', '/[\\x00-\\x20\\x22\\x27]/' ), array( '', '' ), $tmp );
      } else if ( $key == 'isbn' ) {
        $detail[$key] = preg_replace( '/[\\- ]/', '', $tmp );
      } else {
        $detail[$key] = $tmp;
      }
      if ( $do_escape && $type == 's' ) {
        $detail[$key] = $textutil->html_special_chars( $detail[$key] );
      }
    }
  }
  if ( isset( $detail['attachment_dl_limit'] ) ) {
    if ( $detail['attachment_dl_limit'] == 0 ) {
      $detail['attachment_dl_notify'] = 0;
    }
  }

  return $detail;
}

function _xnpbook_append_message( $html, $msg ) {
  if ( $html != '' ) {
    $html .= '<br />';
  }
  return $html.'<span style="color:#ff0000;">'.$msg.'</span>';
}

/**
 * get Detail Information by item_id.
 * @return detail information of xnpbook item
 */
function xnpbookGetDetailInformation( $item_id ) {
  $hItemDetail =& xoonips_getormhandler( 'xnpbook', 'item_detail' );
  $oItemDetail =& $hItemDetail->get( $item_id );
  if ( ! is_object( $oItemDetail ) ) {
    return false;
  }
  $detail = array();
  foreach ( $oItemDetail->getKeysArray() as $key ) {
    $detail[$key] = array(
      'value' => $oItemDetail->getVar( $key, 'n' ),
    );
  }
  $detail['url']['value'] = preg_replace( array( '/javascript:/i', '/[\\x00-\\x20\\x22\\x27]/' ), array( '', '' ), $detail['url']['value'] );

  return $detail;
}

function xnpbookGetListBlock( $item_basic ) {
  // get uid
  global $xoopsUser;
  $myuid = is_object( $xoopsUser ) ? $xoopsUser->getVar( 'uid', 'n' ) : UID_GUEST;

  // set to template
  global $xoopsTpl;

  $tpl = new XoopsTpl();
  // - copy variables in $xoopsTpl to $tpl
  $tpl->assign( $xoopsTpl->get_template_vars() );

  $xnpbook_handler =& xoonips_getormcompohandler( 'xnpbook', 'item' );
  $tpl->assign( 'xoonips_item', $xnpbook_handler->getTemplateVar( XOONIPS_TEMPLATE_TYPE_ITEM_LIST, $item_basic['item_id'], $myuid ) );

  // return as HTML
  return $tpl->fetch( 'db:xnpbook_list_block.html' );
}

function xnpbookGetPrinterFriendlyListBlock( $item_basic ) {
  return xnpbookGetListBlock( $item_basic );
}

function xnpbookGetDetailBlock( $item_id ) {
  // get uid
  global $xoopsUser;
  $myuid = is_object( $xoopsUser ) ? $xoopsUser->getVar( 'uid', 'n' ) : UID_GUEST;

  // set to template
  global $xoopsTpl;
  $tpl = new XoopsTpl();
  // copy variables in $xoopsTpl to $tpl
  $tpl->assign( $xoopsTpl->get_template_vars() );
  $tpl->assign( 'editable', xnp_get_item_permission( $_SESSION['XNPSID'], $item_id, OP_MODIFY ) );
  $tpl->assign( 'basic', xnpGetBasicInformationDetailBlock( $item_id ) );
  $tpl->assign( 'index', xnpGetIndexDetailBlock( $item_id ) );
  $tpl->assign( 'attachment', xnpGetAttachmentDetailBlock( $item_id, 'book_pdf' ) );

  $xnpbook_handler =& xoonips_getormcompohandler( 'xnpbook', 'item' );
  $tpl->assign( 'xoonips_item', $xnpbook_handler->getTemplateVar( XOONIPS_TEMPLATE_TYPE_ITEM_DETAIL, $item_id, $myuid ) );

  // return as HTML
  return $tpl->fetch( 'db:xnpbook_detail_block.html' );
}

function xnpbookGetDownloadConfirmationBlock( $item_id, $download_file_id ) {
  $detail = xnpbookGetDetailInformation( $item_id );
  return xnpGetDownloadConfirmationBlock( $item_id, $download_file_id, $detail['attachment_dl_notify']['value'], false, false, false );
}

function xnpbookGetDownloadConfirmationRequired( $item_id ) {
  $detail = xnpbookGetDetailInformation( $item_id );
  return $detail['attachment_dl_notify']['value'];
}

function xnpbookGetPrinterFriendlyDetailBlock( $item_id ) {
  // get BasicInformation / RegisteredItem block
  $basic = xnpGetBasicInformationDetailBlock( $item_id );
  $index = xnpGetIndexPrinterFriendlyBlock( $item_id );
  $attachment = xnpGetAttachmentPrinterFriendlyBlock( $item_id, 'book_pdf' );
  // get DetailInformation
  $detail = xnpbookGetDetailInformation( $item_id );

  // set to template
  global $xoopsTpl;
  $tpl = new XoopsTpl();
  // copy variables in $xoopsTpl to $tpl
  $tpl->assign( $xoopsTpl->get_template_vars() );
  $tpl->assign( 'basic', $basic );
  $tpl->assign( 'index', $index );
  $tpl->assign( 'attachment', $attachment );
  $tpl->assign( 'detail', $detail );

  $detail_handler =& xoonips_getormhandler( 'xnpbook', 'item_detail' );
  $detail_orm =& $detail_handler->get( $item_id );
  $tpl->assign( 'xnpbook_author', xoonips_get_multiple_field_template_vars( $detail_orm->getAuthors(), 'xnpbook', 'author' ) );

  // return as HTML
  return $tpl->fetch( 'db:xnpbook_detail_block.html' );
}

function xnpbookGetRegisterBlock() {
  global $xoopsDB;
  $system_message = '';

  // get BasicInformation / Preview / Readme / License / Rights / index block
  $basic = xnpGetBasicInformationRegisterBlock();
  $index = xnpGetIndexRegisterBlock();
  $attachment = xnpGetAttachmentRegisterBlock( 'book_pdf' );
  // retrive variables from POST array
  $req = _xnpbook_get_detail_request( true );
  $detail = array();
  foreach ( $req as $key => $val ) {
    if ( $val !== null ) {
      $detail[$key]['value'] = $val;
    }
  }

  // set to template
  global $xoopsTpl;
  $tpl = new XoopsTpl();
  // copy variables in $xoopsTpl to $tpl
  $tpl->assign( $xoopsTpl->get_template_vars() );
  $tpl->assign( 'basic', $basic );
  $tpl->assign( 'index', $index );
  $tpl->assign( 'attachment', $attachment );
  $tpl->assign( 'attachment_dl_limit', xnpGetDownloadLimitationOptionRegisterBlock( 'xnpbook' ) );
  $tpl->assign( 'attachment_dl_notify', xnpGetDownloadNotificationOptionRegisterBlock( 'xnpbook' ) );
  $tpl->assign( 'detail', $detail );
  $tpl->assign( 'system_message', $tpl->get_template_vars( 'system_message' ).$system_message );
  $tpl->assign( 'is_register', true );
  $tpl->assign( 'myurl', XOOPS_URL.'/modules/xoonips/register.php' );
  $tpl->assign( 'xnpbook_author', xoonips_get_multiple_field_template_vars( xoonips_get_orm_from_post( 'xnpbook', 'author' ), 'xnpbook', 'author' ) );

  // return as HTML
  return $tpl->fetch( 'db:xnpbook_register_block.html' );
}

function xnpbookGetEditBlock( $item_id ) {
  $textutil =& xoonips_getutility( 'text' );
  $formdata =& xoonips_getutility( 'formdata' );

  // get BasicInformation / Preview / index block
  $basic = xnpGetBasicInformationEditBlock( $item_id );
  $index = xnpGetIndexEditBlock( $item_id );
  $attachment = xnpGetAttachmentEditBlock( $item_id, 'book_pdf' );
  // get DetailInformation
  $detail = xnpbookGetDetailInformation( $item_id );
  // override values if post form request
  foreach ( _xnpbook_get_detail_request( true ) as $key => $val ) {
    if ( $val !== null ) {
      $detail[$key]['value'] = $val;
    }
  }
  // html special chars for each value
  foreach ( $detail as $key => $val ) {
    $detail[$key]['value'] = $textutil->html_special_chars( $detail[$key]['value'] );
  }

  // set to template
  global $xoopsTpl;
  $tpl = new XoopsTpl();
  // copy variables in $xoopsTpl to $tpl
  $tpl->assign( $xoopsTpl->get_template_vars() );
  $tpl->assign( 'basic', $basic );
  $tpl->assign( 'index', $index );
  $tpl->assign( 'attachment', $attachment );
  $tpl->assign( 'attachment_dl_limit', xnpGetDownloadLimitationOptionEditBlock( 'xnpbook', xnpbookGetAttachmentDownloadLimitOption( $item_id ) ) );
  $tpl->assign( 'attachment_dl_notify', xnpGetDownloadNotificationOptionEditBlock( 'xnpbook', xnpbookGetAttachmentDownloadNotifyOption( $item_id ) ) );
  $tpl->assign( 'detail', $detail );
  $tpl->assign( 'system_message', $tpl->get_template_vars( 'system_message' ) );
  $tpl->assign( 'is_register', false );
  $tpl->assign( 'myurl', XOOPS_URL.'/modules/xoonips/edit.php' );

  $formdata =& xoonips_getutility( 'formdata' );
  if ( ! $formdata->getValue( 'get', 'post_id', 's', false ) ) {
    $detail_handler =& xoonips_getormhandler( 'xnpbook', 'item_detail' );
    $detail_orm =& $detail_handler->get( $item_id );
    $tpl->assign( 'xnpbook_author', xoonips_get_multiple_field_template_vars( $detail_orm->getAuthors(), 'xnpbook', 'author' ) );
  } else {
    $tpl->assign( 'xnpbook_author', xoonips_get_multiple_field_template_vars( xoonips_get_orm_from_post( 'xnpbook', 'author' ), 'xnpbook', 'author' ) );
  }

  // return as HTML
  return $tpl->fetch( 'db:xnpbook_register_block.html' );
}

function xnpbookGetConfirmBlock( $item_id ) {
  $textutil =& xoonips_getutility( 'text' );
  $formdata =& xoonips_getutility( 'formdata' );
  $author_handler =& xoonips_getormhandler( 'xnpbook', 'author' );
  $author_objs =& $formdata->getObjectArray( 'post', $author_handler->getTableName(), $author_handler, false );

  // get BasicInformation / Preview / index block
  $basic = xnpGetBasicInformationConfirmBlock( $item_id );
  $index = xnpGetIndexConfirmBlock( $item_id );
  $attachment = xnpGetAttachmentConfirmBlock( $item_id, 'book_pdf' );

  // retrieve detail information
  $detail = array();
  if ( ! empty( $item_id ) ) {
    $detail = xnpbookGetDetailInformation( $item_id );
  }
  $req = _xnpbook_get_detail_request();
  foreach ( $req as $key => $val ) {
    $detail[$key]['value'] = $val;
  }

  // trim strings
  xnpConfirmHtml( $detail, 'xnpbook_item_detail', array_keys( $detail ), _CHARSET );
  if ( xnpHasWithout( $basic ) || xnpHasWithout( $attachment ) || xnpHasWithout( $detail ) || xoonips_is_multiple_field_too_long( $author_objs, 'xnpbook', 'author' ) ) {
    global $system_message;
    $system_message = _xnpbook_append_message( $system_message, _MD_XOONIPS_ITEM_WARNING_FIELD_TRIM );
  }

  // set to template
  global $xoopsTpl;
  $tpl = new XoopsTpl();
  // copy variables in $xoopsTpl to $tpl
  $tpl->assign( $xoopsTpl->get_template_vars() );
  $tpl->assign( 'basic', $basic );
  $tpl->assign( 'index', $index );
  $tpl->assign( 'attachment', $attachment );
  $tpl->assign( 'attachment_dl_limit', xnpGetDownloadLimitationOptionConfirmBlock( 'xnpbook' ) );
  $tpl->assign( 'attachment_dl_notify', xnpGetDownloadNotificationOptionConfirmBlock( 'xnpbook' ) );
  $tpl->assign( 'detail', $detail );
  $tpl->assign( 'xnpbook_author', xoonips_get_multiple_field_template_vars( $author_objs, 'xnpbook', 'author' ) );

  // return as HTML
  return $tpl->fetch( 'db:xnpbook_confirm_block.html' );
}

function xnpbookInsertItem( &$item_id ) {
  // set fixed value for month and day
  $_POST['publicationDateMonth'] = 1;
  $_POST['publicationDateDay'] = 1;

  // register BasicInformation, Index, Attachment
  $item_id = 0;
  $result = xnpInsertBasicInformation( $item_id );
  if ( $result ) {
    $result = xnpUpdateIndex( $item_id );
    if ( $result ) {
      $result = xnpUpdateAttachment( $item_id, 'book_pdf' );
    }
    if ( ! $result ) {
      xnpDeleteBasicInformation( $_SESSION['XNPSID'], $item_id );
    }
  }
  if ( ! $result ) {
    return false;
  }

  // limit length
  $ar = _xnpbook_get_detail_request();
  xnpTrimColumn( $ar, 'xnpbook_item_detail', array_keys( $ar ), _CHARSET );
  $hItemDetail =& xoonips_getormhandler( 'xnpbook', 'item_detail' );
  $oItemDetail =& $hItemDetail->create();
  $oItemDetail->setVar( 'book_id', $item_id, true );
  // not gpc
  $oItemDetail->setVars( $ar, true );
  // not gpc
  if ( ! $hItemDetail->insert( $oItemDetail ) ) {
    error_log( 'xnpbook: cannot insert item_detail - '.implode( ', ', $oItemDetail->getErrors() ) );
    return false;
  }

  // insert author
  $formdata =& xoonips_getutility( 'formdata' );
  $author_handler =& xoonips_getormhandler( 'xnpbook', 'author' );
  $author_objs =& $formdata->getObjectArray( 'post', $author_handler->getTableName(), $author_handler, false );
  if ( ! $author_handler->updateAllObjectsByForeignKey( 'book_id', $item_id, $author_objs ) ) {
    return false;
  }

  return true;
}

function xnpbookUpdateItem( $book_id ) {
  // set fixed value for month and day
  $_POST['publicationDateMonth'] = 1;
  $_POST['publicationDateDay'] = 1;
  $formdata =& xoonips_getutility( 'formdata' );

  // edit BasicInformation, Index, Preview, Attachment
  $result = xnpUpdateBasicInformation( $book_id );
  if ( $result ) {
    $result = xnpUpdateIndex( $book_id );
    if ( $result ) {
      $result = xnpUpdateAttachment( $book_id, 'book_pdf' );
      if ( $result ) {
        $result = xnp_insert_change_log( $_SESSION['XNPSID'], $book_id, $formdata->getValue( 'post', 'change_log', 's', false ) );
        $result = ! $result;
        if ( ! $result ) {
          error_log( 'xnp_insert_change_log failed.' );
        }
      } else {
        error_log( 'xnpUpdateAttachment failed.' );
      }
    } else {
      error_log( 'xnpUpdateIndex failed.' );
    }
  } else {
    error_log( 'xnpUpdateBasicInformation failed.' );
  }

  if ( ! $result ) {
    return false;
  }

  // limit length
  $ar = _xnpbook_get_detail_request();
  xnpTrimColumn( $ar, 'xnpbook_item_detail', array_keys( $ar ), _CHARSET );
  $hItemDetail =& xoonips_getormhandler( 'xnpbook', 'item_detail' );
  $oItemDetail =& $hItemDetail->get( $book_id );
  $oItemDetail->setVars( $ar, true );
  // not gpc
  if ( ! $hItemDetail->insert( $oItemDetail ) ) {
    error_log( 'xnpbook: cannot update item_detail - '.implode( ', ', $oItemDetail->getErrors() ) );
    return false;
  }

  // insert/update author
  $formdata =& xoonips_getutility( 'formdata' );
  $author_handler =& xoonips_getormhandler( 'xnpbook', 'author' );
  $author_objs =& $formdata->getObjectArray( 'post', $author_handler->getTableName(), $author_handler, false );
  if ( ! $author_handler->updateAllObjectsByForeignKey( 'book_id', $book_id, $author_objs ) ) {
    return false;
  }

  return true;
}

function xnpbookGetSearchBlock( $item_id ) {
}


function xnpbookCheckRegisterParameters( &$msg ) {
  $result = true;
  $formdata =& xoonips_getutility( 'formdata' );
  $publisher = $formdata->getValue( 'post', 'publisher', 's', false );
  if ( $publisher == '' ) {
    // publisher is not filled
    $msg = _xnpbook_append_message( $msg, _MD_XNPBOOK_PUBLISHER_REQUIRED );
    $result = false;
  }
  $publicationDateYear = $formdata->getValue( 'post', 'publicationDateYear', 'i', false );
  if ( $publicationDateYear == 0 ) {
    // year is not filled
    $msg = _xnpbook_append_message( $msg, _MD_XNPBOOK_YEAR_REQUIRED );
    $result = false;
  }
  return $result;
}

function xnpbookCheckEditParameters( &$msg ) {
  return xnpbookCheckRegisterParameters( $msg );
}

function xnpbookGetMetaInformation( $item_id ) {
  $ret = array();
  $author_array = array();

  $basic = xnpGetBasicInformationArray( $item_id );
  $detail = xnpbookGetDetailInformation( $item_id );

  if ( ! empty( $basic ) ) {
    $ret[_MD_XOONIPS_ITEM_TITLE_LABEL] = implode( "\n", $basic['titles'] );
    $ret[_MD_XOONIPS_ITEM_CONTRIBUTOR_LABEL] = $basic['contributor'];
    $ret[_MD_XOONIPS_ITEM_KEYWORDS_LABEL] = implode( "\n", $basic['keywords'] );
    $ret[_MD_XOONIPS_ITEM_DESCRIPTION_LABEL] = $basic['description'];
    $ret[_MD_XOONIPS_ITEM_DOI_LABEL] = $basic['doi'];
    $ret[_MD_XOONIPS_ITEM_LAST_UPDATE_DATE_LABEL] = $basic['last_update_date'];
    $ret[_MD_XOONIPS_ITEM_CREATION_DATE_LABEL] = $basic['creation_date'];
  }
  if ( ! empty( $detail ) ) {
    $ret[_MD_XNPBOOK_EDITOR_LABEL] = $detail['editor']['value'];
    $ret[_MD_XNPBOOK_PUBLISHER_LABEL] = $detail['publisher']['value'];
    $ret[_MD_XNPBOOK_YEAR_LABEL] = $basic['publication_year'];
    $ret[_MD_XNPBOOK_URL_LABEL] = $detail['url']['value'];
    $ret[_MD_XNPBOOK_ISBN_LABEL] = $detail['isbn']['value'];
  }
  $xnpbook_handler =& xoonips_getormcompohandler( 'xnpbook', 'item' );
  $xnpbook =& $xnpbook_handler->get( $item_id );
  foreach ( $xnpbook->getVar( 'author' ) as $author ) {
    $author_array[] = $author->getVar( 'author', 'n' );
  }
  $ret[_MD_XNPBOOK_AUTHOR_LABEL] = implode( "\n", $author_array );

  return $ret;
}


function xnpbookGetAdvancedSearchBlock( &$search_var ) {

  $basic = xnpGetBasicInformationAdvancedSearchBlock( 'xnpbook', $search_var );

  $search_var[] = 'xnpbook_author';
  $search_var[] = 'xnpbook_editor';
  $search_var[] = 'xnpbook_publisher';
  $search_var[] = 'xnpbook_isbn';
  $search_var[] = 'xnpbook_book_pdf';

  // set to template
  global $xoopsTpl;

  $tpl = new XoopsTpl();
  $tpl->assign( $xoopsTpl->get_template_vars() );
  // copy variables in $xoopsTpl to $tpl
  $tpl->assign( 'basic', $basic );
  $tpl->assign( 'module_name', 'xnpbook' );
  $tpl->assign( 'module_display_name', xnpGetItemTypeDisplayNameByDirname( basename( dirname( dirname( __FILE__ ) ) ), 's' ) );

  // return as HTML
  return $tpl->fetch( 'db:xnpbook_search_block.html' );
}

function xnpbookGetAdvancedSearchQuery( &$where, &$join ) {
  global $xoopsDB;

  $book_table = $xoopsDB->prefix( 'xnpbook_item_detail' );
  $book_author = $xoopsDB->prefix( 'xnpbook_author' );
  $file_table = $xoopsDB->prefix( 'xoonips_search_text' );

  $wheres = array();
  $w = xnpGetBasicInformationAdvancedSearchQuery( 'xnpbook' );
  if ( $w ) {
    $wheres[] = $w;
  }
  $w = xnpGetKeywordQuery( $book_author.'.author', 'xnpbook_author' );
  if ( $w ) {
    $wheres[] = $w;
  }
  $w = xnpGetKeywordQuery( $book_table.'.editor', 'xnpbook_editor' );
  if ( $w ) {
    $wheres[] = $w;
  }
  $w = xnpGetKeywordQuery( $book_table.'.publisher', 'xnpbook_publisher' );
  if ( $w ) {
    $wheres[] = $w;
  }
  $w = xnpGetKeywordQuery( $book_table.'.isbn', 'xnpbook_isbn' );
  if ( $w ) {
    $wheres[] = $w;
  }
  $formdata =& xoonips_getutility( 'formdata' );
  $xnpbook_book_pdf = $formdata->getValue( 'post', 'xnpbook_book_pdf', 's', false );
  if ( ! empty( $xnpbook_book_pdf ) ) {
    list( $pattern, $errorMessage ) = xnpKeywordsToFulltextSql( $xnpbook_book_pdf );
    if ( ! $errorMessage ) {
      $wheres[] = "match ( $file_table.search_text ) against ( '$pattern' in boolean mode )";
    }
  }

  $where = implode( ' and ', $wheres );
  $join = " join $book_author on ".$book_author.'.book_id  = '.$xoopsDB->prefix( 'xoonips_item_basic' ).'.item_id ';
}

function xnpbookGetDetailInformationQuickSearchQuery( &$wheres, &$join, $keywords ) {
  global $xoopsDB;

  $book_table = $xoopsDB->prefix( 'xnpbook_item_detail' );
  $book_author_table = $xoopsDB->prefix( 'xnpbook_author' );

  $colnames = array(
    $book_table.'.editor',
    $book_table.'.publisher',
    "$book_author_table.author",
  );

  $join = " join $book_author_table on ".$book_author_table.'.book_id  = '.$xoopsDB->prefix( 'xoonips_item_basic' ).'.item_id ';
  $wheres = xnpGetKeywordsQueries( $colnames, $keywords );
  return true;
}

function xnpbookGetDetailInformationTotalSize( $iids ) {
  return xnpGetTotalFileSize( $iids );
}

/**
 * create XML for exporting detail information
 * see xnpExportItem for detail
 * @see xnpExportItem
 *
 * @param export_path folder that export file is written to.
 * @param fhdl file handle that items are exported to.
 * @param item_id item id that is exported
 * @param attachment true if attachment files are exported, else false.
 * @return true: success
 * @return false:error
 */
function xnpbookExportItem( $export_path, $fhdl, $item_id, $attachment ) {
  // get DetailInformation
  if ( ! $fhdl ) {
    return false;
  }

  $handler =& xoonips_getormhandler( 'xnpbook', 'item_detail' );
  $detail =& $handler->get( $item_id );
  if ( ! $detail ) {
    return false;
  }

  $authors = '';
  foreach ( $detail->getAuthors() as $author ) {
    $authors .= '<author>'.$author->getVar( 'author', 's' ).'</author>';
  }

  if ( ! fwrite( $fhdl, "<detail id=\"${item_id}\" version=\"1.03\">\n"."<authors>{$authors}</authors>\n".'<editor>'.$detail->getVar( 'editor', 's' )."</editor>\n".'<publisher>'.$detail->getVar( 'publisher', 's' )."</publisher>\n".'<isbn>'.$detail->getVar( 'isbn', 's' )."</isbn>\n".'<url>'.$detail->getVar( 'url', 's' )."</url>\n".'<attachment_dl_limit>'.intval( $detail->get( 'attachment_dl_limit' ) )."</attachment_dl_limit>\n".'<attachment_dl_notify>'.intval( $detail->get( 'attachment_dl_notify' ) )."</attachment_dl_notify>\n" ) ) {
    return false;
  }
  if ( ! ( $attachment ? xnpExportFile( $export_path, $fhdl, $item_id ) : true ) ) {
    return false;
  }
  if ( ! fwrite( $fhdl, "</detail>\n" ) ) {
    return false;
  }

  return true;
}
function xnpbookGetLicenseRequired( $item_id ) {
  return false;
}
function xnpbookGetLicenseStatement( $item_id ) {
  return NULL;
}


function xnpbookGetModifiedFields( $item_id ) {
  $ret = array();
  $detail = xnpbookGetDetailInformation( $item_id );
  $formdata =& xoonips_getutility( 'formdata' );
  if ( $detail ) {
    foreach ( array( 'editor' => _MD_XNPBOOK_EDITOR_LABEL, 'publisher' => _MD_XNPBOOK_PUBLISHER_LABEL, 'isbn' => _MD_XNPBOOK_ISBN_LABEL, 'url' => _MD_XNPBOOK_URL_LABEL ) as $k => $v ) {
      $tmp = $formdata->getValue( 'post', $k, 's', false );
      if ( ! array_key_exists( $k, $detail ) || $tmp === NULL ) {
        continue;
      }
      if ( $detail[$k]['value'] != $tmp ) {
        array_push( $ret, $v );
      }
    }

    // was pdf file modified?
    if ( xnpIsAttachmentModified( 'book_pdf', $item_id ) ) {
      array_push( $ret, _MD_XNPBOOK_PDF_LABEL );
    }

    $formdata =& xoonips_getutility( 'formdata' );
    $author_handler =& xoonips_getormhandler( 'xnpbook', 'author' );
    $author_objs =& $formdata->getObjectArray( 'post', $author_handler->getTableName(), $author_handler, false );
    $detail_handler =& xoonips_getormhandler( 'xnpbook', 'item_detail' );
    $detail_orm =& $detail_handler->get( $item_id );
    $author_old_objs =& $detail_orm->getAuthors();
    if ( ! xoonips_is_same_objects( $author_old_objs, $author_objs ) ) {
      array_push( $ret, _MD_XNPBOOK_AUTHOR_LABEL );
    }
  }
  return $ret;
}

function xnpbookGetTopBlock( $itemtype ) {
  return xnpGetTopBlock( $itemtype['name'], $itemtype['display_name'], 'images/icon_book.gif', _MD_XNPBOOK_EXPLANATION, false, false );
}



// return 1 if downloadable for login user only
// return 0 if downloadable for everyone
function xnpbookGetAttachmentDownloadLimitOption( $item_id ) {
  $hItemDetail =& xoonips_getormhandler( 'xnpbook', 'item_detail' );
  $oItemDetail =& $hItemDetail->get( $item_id );
  if ( ! is_object( $oItemDetail ) ) {
    return 0;
  }
  return $oItemDetail->getVar( 'attachment_dl_limit', 's' );
}

// return 1 if downloading is notified
// return 0 if downloading is not notified
function xnpbookGetAttachmentDownloadNotifyOption( $item_id ) {
  $hItemDetail =& xoonips_getormhandler( 'xnpbook', 'item_detail' );
  $oItemDetail =& $hItemDetail->get( $item_id );
  if ( ! is_object( $oItemDetail ) ) {
    return 0;
  }
  return $oItemDetail->getVar( 'attachment_dl_notify', 's' );
}

function xnpbookSupportMetadataFormat( $metadataPrefix, $item_id ) {
  if ( $metadataPrefix == 'oai_dc' || $metadataPrefix == 'junii' || $metadataPrefix == 'junii2' ) {
    return true;
  }
  return false;
}

function xnpbookGetMetadata( $metadataPrefix, $item_id ) {
  $textutil =& xoonips_getutility( 'text' );
  $xnpbook_handler =& xoonips_getormcompohandler( 'xnpbook', 'item' );
  $xnpbook =& $xnpbook_handler->get( $item_id );
  if ( ! $xnpbook ) {
    return false;
  }

  $meta_basic = xnpGetBasicInformationMetadata( $metadataPrefix, $item_id );
  if ( ! $meta_basic ) {
    return false;
  }

  $basic =& $xnpbook->getVar( 'basic' );
  $detail = xnpbookGetDetailInformation( $item_id );
  $lines = array();
  if ( $metadataPrefix == 'junii' ) {
    $lines[] = '<metadata>';
    $lines[] = '<meta xmlns="http://metasv.nii.ac.jp/oai/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://metasv.nii.ac.jp/oai http://metasv.nii.ac.jp/oai/junii.xsd">';
    $lines[] = $meta_basic;

    $lines[] = "<type xsi:type=\"NII\">".$textutil->xml_special_chars( xnpGetMetadataJunii( 2 ) ).'</type>';
    foreach ( $xnpbook->getVar( 'author' ) as $author ) {
      $lines[] = '<creator>'.$textutil->xml_special_chars( $author->getVar( 'author', 'n' ) ).'</creator>';
    }
    $lines[] = '<creator>editor:'.$textutil->xml_special_chars( $detail['editor']['value'] ).'</creator>';
    $lines[] = '<publisher>'.$textutil->xml_special_chars( $detail['publisher']['value'] ).'</publisher>';
    $lines[] = "<date xsi:type=\"ISO8601\">".xnpISO8601( $basic->getVar( 'publication_year', 'n' ), $basic->getVar( 'publication_month', 'n' ), $basic->getVar( 'publication_mday', 'n' ) ).'</date>';
    $lines[] = "<identifier xsi:type=\"ISBN\">".$textutil->xml_special_chars( $detail['isbn']['value'] ).'</identifier>';
    $lines[] = '</meta>';
    $lines[] = '</metadata>';
    return implode( "\n", $lines )."\n";
  } else if ( $metadataPrefix == 'junii2' ) {
    $lines[] = '<metadata>';
    $lines[] = '<meta xmlns="http://metasv.nii.ac.jp/oai/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://metasv.nii.ac.jp/oai http://metasv.nii.ac.jp/oai/junii2.xsd">';
    $lines[] = $meta_basic;

    $lines[] = '<NIItype>'.$textutil->xml_special_chars( xnpGetMetadataJunii2( 04 ) ).'</NIItype>';
    foreach ( $xnpbook->getVar( 'author' ) as $author ) {
      $lines[] = '<creator>'.$textutil->xml_special_chars( $author->getVar( 'author', 'n' ) ).'</creator>';
    }
    $lines[] = '<creator>editor:'.$textutil->xml_special_chars( $detail['editor']['value'] ).'</creator>';
    $lines[] = '<publisher>'.$textutil->xml_special_chars( $detail['publisher']['value'] ).'</publisher>';
    $lines[] = "<date xsi:type=\"ISO8601\">".xnpISO8601( $basic->getVar( 'publication_year', 'n' ), $basic->getVar( 'publication_month', 'n' ), $basic->getVar( 'publication_mday', 'n' ) ).'</date>';
    $lines[] = "<identifier xsi:type=\"ISBN\">".$textutil->xml_special_chars( $detail['isbn']['value'] ).'</identifier>';
    $lines[] = '</meta>';
    $lines[] = '</metadata>';
    return implode( "\n", $lines )."\n";
  } else if ( $metadataPrefix == 'oai_dc' ) {
    $lines = array();
    $lines[] = '<metadata>';
    $lines[] = '<oai_dc:dc 
               xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" 
               xmlns:dc="http://purl.org/dc/elements/1.1/" 
               xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
               xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ 
               http://www.openarchives.org/OAI/2.0/oai_dc.xsd">';
    $lines[] = $meta_basic;
    foreach ( $xnpbook->getVar( 'author' ) as $author ) {
      $lines[] = '<dc:creator>'.$textutil->xml_special_chars( $author->getVar( 'author', 'n' ) ).'</dc:creator>';
    }
    $lines[] = '<dc:creator>editor:'.$textutil->xml_special_chars( $detail['editor']['value'] ).'</dc:creator>';
    $lines[] = '<dc:publisher>'.$textutil->xml_special_chars( $detail['publisher']['value'] ).'</dc:publisher>';
    $lines[] = '<dc:date>'.xnpISO8601( $basic->getVar( 'publication_year', 'n' ), $basic->getVar( 'publication_month', 'n' ), $basic->getVar( 'publication_mday', 'n' ) ).'</dc:date>';
    $lines[] = '<dc:identifier>ISBN:'.$textutil->xml_special_chars( $detail['isbn']['value'] ).'</dc:identifier>';

    $lines[] = '</oai_dc:dc>';
    $lines[] = '</metadata>';
    return implode( "\n", $lines )."\n";
  } else {
    return false;
  }
}

function xnpbook_get_list_block_array( $item_id ) {
  $item_basic_handler =& xoonips_getormhandler( 'xoonips', 'item_basic' );
  $item_basic = $item_basic_handler->get( $item_id );

  $item_title_handler =& xoonips_getormhandler( 'xoonips', 'title' );
  $criteria = new Criteria( 'item_id', $item_id );
  $criteria->setSort( 'title_id' );
  $item_titles =& $item_title_handler->getObjects( $criteria );
  $titles = array();
  foreach ( $item_titles as $t ) {
    $titles[] = $t->getVarArray( 'n' );
  }

  $item_detail_handler =& xoonips_getormhandler( 'xnpbook', 'item_detail' );
  $item_detail = $item_detail_handler->get( $item_id );

  return array( 'basic' => $item_basic->getVarArray( 'n' ), 'titles' => $titles, 'detail' => $item_detail->getVarArray( 'n' ), 'pending' => xnpIsPending( $item_id ) ? true : false );
}

?>
