<?php
// $Revision: 1.18.2.1.2.28 $
// ------------------------------------------------------------------------- //
//  XooNIps - Neuroinformatics Base Platform System                          //
//  Copyright (C) 2005-2013 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 );
$xoonips_path = dirname( $itemtype_path ).'/xoonips';

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

// magic string for item title auto fillin
define( 'XNPFILES_ITEM_TITLE_EMPTY_MAGIC', str_repeat( md5( '@@@@@@@@@@@@@@@ XNPFILES_ITEM_TITLE_EMPTY_MAGIC @@@@@@@@@@@@@@@@' ), 3 ) );

function xnpfilesGetTypes() {
  $files_handler =& xoonips_getormhandler( 'xnpfiles', 'item_detail' );
  $files_objs =& $files_handler->getObjects( null, false, 'data_file_filetype', true );
  $html = array();
  foreach ( $files_objs as $files_obj ) {
    $ext = $files_obj->getVar( 'data_file_filetype', 's' );
    if ( $ext != '' ) {
      $html[$ext] = $ext;
    }
  }
  return $html;
}

/**
 * get DetailInformation by item_id
 */
function xnpfilesGetDetailInformation( $item_id ) {
  global $xoopsDB;
  if ( empty( $item_id ) ) {
    return array( 'data_file_name' => '', 'data_file_mimetype' => '', 'data_file_filetype' => '' );
  }

  $sql = 'select * from '.$xoopsDB->prefix( 'xnpfiles_item_detail' )." where files_id=$item_id";
  $result = $xoopsDB->query( $sql );
  if ( $result == FALSE ) {
    echo $xoopsDB->error();
    return false;
  }

  $detail = $xoopsDB->fetchArray( $result );
  return $detail;
}

function xnpfilesGetDetailDistinctInfo( $columns ) {
  global $xoopsDB;

  $sql = "select distinct($columns) from ".$xoopsDB->prefix( 'xnpfiles_item_detail' )." order by $columns";
  $result = $xoopsDB->query( $sql );
  if ( $result == FALSE ) {
    echo $xoopsDB->error();
    return false;
  }

  $files = array();
  while ( false != ( $row = $xoopsDB->fetchRow( $result ) ) ) {
    $files[] = $row;
  }
  return $files;
}


function xnpfilesGetMetaInformation( $item_id ) {
  $ret = array();
  $basic = xnpGetBasicInformationArray( $item_id );
  $detail = xnpfilesGetDetailInformation( $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_CREATION_DATE_LABEL] = $basic['creation_date'];
    $ret[_MD_XOONIPS_ITEM_LAST_UPDATE_DATE_LABEL] = $basic['last_update_date'];
  }
  if ( ! empty( $basic ) ) {
    $ret[_MD_XNPFILES_DATE_LABEL] = xnpDate( $basic['publication_year'], $basic['publication_month'], $basic['publication_mday'] );
  }
  return $ret;
}

function xnpfilesGetListBlock( $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() );

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

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

function xnpfilesGetPrinterFriendlyListBlock( $item_basic ) {
  return xnpfilesGetListBlock( $item_basic );
}


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

  // set to template
  global $xoopsTpl;
  $tpl = new XoopsTpl();
  $tpl->assign( $xoopsTpl->get_template_vars() );
  // copy variables in $xoopsTpl to $tpl
  $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( 'files_file', xnpGetAttachmentDetailBlock( $item_id, 'files_file' ) );

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

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

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

  // set to template
  global $xoopsTpl;
  $tpl = new XoopsTpl();
  $tpl->assign( $xoopsTpl->get_template_vars() );
  // copy variables in $xoopsTpl to $tpl
  $tpl->assign( 'editable', xnp_get_item_permission( $_SESSION['XNPSID'], $item_id, OP_MODIFY ) );
  $tpl->assign( 'basic', xnpGetBasicInformationPrinterFriendlyBlock( $item_id ) );
  $tpl->assign( 'index', xnpGetIndexPrinterFriendlyBlock( $item_id ) );
  $tpl->assign( 'files_file', xnpGetAttachmentPrinterFriendlyBlock( $item_id, 'files_file' ) );

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

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

function xnpfilesGetRegisterBlock() {
  $formdata =& xoonips_getutility( 'formdata' );

  // get BasicInformation / Preview / index block
  $basic = xnpGetBasicInformationRegisterBlock();
  if ( $basic['title'] == '' ) {
    $basic['title'] = ' ';
  }
  $index = xnpGetIndexRegisterBlock();
  $data_file = xnpGetAttachmentRegisterBlock( 'files_file' );

  $post_id = $formdata->getValue( 'get', 'post_id', 's', false );
  if ( ! is_null( $post_id ) ) {
    $file_id = $formdata->getValue( 'post', 'files_fileFileID', 'i', false );
    if ( $file_id == 0 ) {
      $data_file_name = '';
      $data_file_mimetype = '';
      $data_file_filetype = '';
    } else {
      $file_handler =& xoonips_getormhandler( 'xoonips', 'file' );
      $file_obj =& $file_handler->get( $file_id );
      $data_file_name = $file_obj->get( 'original_file_name', 's' );
      $data_file_mimetype = $file_obj->get( 'mime_type', 's' );
      $file_pathinfo = pathinfo( $data_file_name );
      $data_file_filetype = $file_pathinfo['extension'];
    }
  }

  if ( isset( $data_file_name ) ) {
    $data_file_name = array(
      'name' => _MD_XOONIPS_ITEM_ATTACHMENT_LABEL,
      'value' => $data_file_name,
    );
  } else {
    $data_file_name = '';
  }
  if ( isset( $data_file_mimetype ) ) {
    $data_file_mimetype = array(
      'name' => _MD_XOONIPS_ITEM_ATTACHMENT_LABEL,
      'value' => $data_file_mimetype,
    );
  } else {
    $data_file_mimetype = '';
  }
  if ( isset( $data_file_filetype ) ) {
    $data_file_filetype = array(
      'name' => _MD_XOONIPS_ITEM_ATTACHMENT_LABEL,
      'value' => $data_file_filetype,
    );
  } else {
    $data_file_filetype = '';
  }

  // 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( 'data_file', $data_file );
  $tpl->assign( 'data_file_name', $data_file_name );
  $tpl->assign( 'data_file_mimetype', $data_file_mimetype );
  $tpl->assign( 'data_file_filetype', $data_file_filetype );
  $tpl->assign( 'title_empty_magic', XNPFILES_ITEM_TITLE_EMPTY_MAGIC );

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

function xnpfilesGetEditBlock( $item_id ) {
  $formdata =& xoonips_getutility( 'formdata' );

  // get BasicInformation / Preview / index block
  $basic = xnpGetBasicInformationEditBlock( $item_id );
  $index = xnpGetIndexEditBlock( $item_id );
  $data_file = xnpGetAttachmentEditBlock( $item_id, 'files_file' );

  $file_handler =& xoonips_getormhandler( 'xoonips', 'file' );
  $post_id = $formdata->getValue( 'get', 'post_id', 's', false );
  if ( ! is_null( $post_id ) ) {
    $file_id = $formdata->getValue( 'post', 'files_fileFileID', 'i', false );
    $file_obj =& $file_handler->get( $file_id );
  } else {
    $criteria = new Criteria( 'item_id', $item_id );
    $file_objs =& $file_handler->getObjects( $criteria );
    $file_obj =& $file_objs[0];
  }
  $data_file_name = $file_obj->get( 'original_file_name', 's' );
  $data_file_mimetype = $file_obj->get( 'mime_type', 's' );
  $file_pathinfo = pathinfo( $data_file_name );
  $data_file_filetype = $file_pathinfo['extension'];
  if ( isset( $data_file_name ) ) {
    $data_file_name = array(
      'name' => _MD_XOONIPS_ITEM_ATTACHMENT_LABEL,
      'value' => $data_file_name,
    );
  } else {
    $data_file_name = '';
  }
  if ( isset( $data_file_mimetype ) ) {
    $data_file_mimetype = array(
      'name' => _MD_XOONIPS_ITEM_ATTACHMENT_LABEL,
      'value' => $data_file_mimetype,
    );
  } else {
    $data_file_mimetype = '';
  }
  if ( isset( $data_file_filetype ) ) {
    $data_file_filetype = array(
      'name' => _MD_XOONIPS_ITEM_ATTACHMENT_LABEL,
      'value' => $data_file_filetype,
    );
  } else {
    $data_file_filetype = '';
  }
  // get DetailInformation
  if ( ! empty( $item_id ) ) {
    $detail = xnpfilesGetDetailInformation( $item_id );
  } else {
    $detail = array();
  }

  // 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( 'data_file', $data_file );
  $tpl->assign( 'data_file_name', $data_file_name );
  $tpl->assign( 'data_file_mimetype', $data_file_mimetype );
  $tpl->assign( 'data_file_filetype', $data_file_filetype );
  $tpl->assign( 'title_empty_magic', XNPFILES_ITEM_TITLE_EMPTY_MAGIC );

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

function xnpfilesGetConfirmBlock( $item_id ) {
  $formdata =& xoonips_getutility( 'formdata' );
  $textutil =& xoonips_getutility( 'text' );
  // get BasicInformation / Preview / index block
  $basic = xnpGetBasicInformationConfirmBlock( $item_id );
  $index = xnpGetIndexConfirmBlock( $item_id );
  $file_file = $formdata->getFile( 'files_file', false );
  $data_file = xnpGetAttachmentConfirmBlock( $item_id, 'files_file' );
  $file_id = $formdata->getValue( 'post', 'files_fileFileID', 'i', false );
  // get detail information
  if ( is_null( $file_file ) && $file_id == 0 ) {
    $data_file_name = '';
    $data_file_mimetype = '';
    $data_file_filetype = '';
  } else {
    if ( is_null( $file_file ) ) {
      $file_handler =& xoonips_getormhandler( 'xoonips', 'file' );
      $file_obj =& $file_handler->get( $file_id );
      $data_file_name = $file_obj->get( 'original_file_name', 's' );
      $data_file_mimetype = $file_obj->get( 'mime_type', 's' );
    } else {
      $data_file_name = $file_file['name'];
      $data_file_mimetype = $file_file['type'];
    }
    $file_pathinfo = pathinfo( $data_file_name );
    $data_file_filetype = $file_pathinfo['extension'];
  }
  if ( xnpHasWithout( $basic ) || xnpHasWithout( $data_file ) ) {
    global $system_message;
    $system_message = $system_message."\n<br /><font color='#ff0000'>"._MD_XOONIPS_ITEM_WARNING_FIELD_TRIM.'</font><br />';
  }

  // 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( 'data_file', $data_file );
  $tpl->assign( 'data_file_name', $textutil->html_special_chars( $data_file_name ) );
  $tpl->assign( 'data_file_mimetype', $textutil->html_special_chars( $data_file_mimetype ) );
  $tpl->assign( 'data_file_filetype', $textutil->html_special_chars( $data_file_filetype ) );

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

/** check DetailInformation input
 * called from confirm/registered page
 */
function xnpfilesCheckRegisterParameters( &$message ) {
  $xnpsid = $_SESSION['XNPSID'];
  $formdata =& xoonips_getutility( 'formdata' );
  $messages = array();
  $files_file = $formdata->getFile( 'files_file', false );
  $file_id = $formdata->getValue( 'post', 'files_fileFileID', 'i', false );
  $title = $formdata->getValue( 'post', 'title', 's', false );
  $xoonipsCheckedXID = $formdata->getValue( 'post', 'xoonipsCheckedXID', 's', false );

  if ( empty( $file_id ) && empty( $files_file['name'] ) ) {
    if ( $title == XNPFILES_ITEM_TITLE_EMPTY_MAGIC ) {
      $formdata->set( 'post', 'title', '' );
      $messages[] = _MD_XOONIPS_ITEM_TITLE_REQUIRED;
    }
    $messages[] = _MD_XNPFILES_DATA_FILE_REQUIRED;
  } else {
    if ( $title == XNPFILES_ITEM_TITLE_EMPTY_MAGIC ) {
      if ( is_null( $files_file ) ) {
        $file_handler =& xoonips_getormhandler( 'xoonips', 'file' );
        $file_obj =& $file_handler->get( $file_id );
        $file_name = $file_obj->get( 'original_file_name', 's' );
      } else {
        $file_name = $files_file['name'];
      }
      if ( mb_substr_count( $file_name, '.' ) > 0 ) {
        $file_name = mb_substr( $file_name, 0, mb_strrpos( $file_name, '.' ) );
      }
      $formdata->set( 'post', 'title', $file_name );
    }
  }

  // require Readme, License and Rights if register to public indexes
  $xids = explode( ',', $xoonipsCheckedXID );
  $indexes = array();
  if ( $xids[0] != $xoonipsCheckedXID ) {
    foreach ( $xids as $i ) {
      $index = array();
      if ( xnp_get_index( $xnpsid, $i, $index ) == RES_OK ) {
        $indexes[] = $index;
      } else {
        $messages[] = '<font color=\'#ff0000\'>'.xnp_get_last_error_string().'</font>';
        $result = false;
        break;
      }
    }
  }
  if ( count( $messages ) == 0 ) {
    return true;
  }
  $message = "<br />\n".implode( "<br />\n", $messages );
  return false;
}

/**
 * check DetailInformation input
 */
function xnpfilesCheckEditParameters( &$message ) {
  return xnpfilesCheckRegisterParameters( $message );
}

function xnpfilesInsertItem( &$item_id ) {
  global $xoopsDB;
  $formdata =& xoonips_getutility( 'formdata' );

  $xnpsid = $_SESSION['XNPSID'];

  // register BasicInformation, Index, Attachment
  $item_id = 0;
  $result = xnpInsertBasicInformation( $item_id );
  if ( $result ) {
    $result = xnpUpdateIndex( $item_id );
    if ( $result ) {
      $result = xnpUpdatePreview( $item_id );
      if ( $result ) {
        $result = xnpUpdateAttachment( $item_id, 'files_file' );
        if ( $result ) {
        }
      }
    }
    if ( ! $result ) {
      xnpDeleteBasicInformation( $xnpsid, $item_id );
    }
  }
  if ( ! $result ) {
    return false;
  }

  // register Detail Information
  $file_id = $formdata->getValue( 'post', 'files_fileFileID', 'i', false );
  $file_handler =& xoonips_getormhandler( 'xoonips', 'file' );
  $file_obj =& $file_handler->get( $file_id );
  $file_name = $file_obj->get( 'original_file_name' );
  $file_mimetype = $file_obj->get( 'mime_type' );
  $file_pathinfo = pathinfo( $file_name );
  $file_type = $file_pathinfo['extension'];
  $detail_handler =& xoonips_getormhandler( 'xnpfiles', 'item_detail' );
  $detail_obj =& $detail_handler->create();
  $detail_obj->set( 'files_id', $item_id );
  $detail_obj->set( 'data_file_name', $file_name );
  $detail_obj->set( 'data_file_mimetype', $file_mimetype );
  $detail_obj->set( 'data_file_filetype', $file_type );
  if ( ! $detail_handler->insert( $detail_obj ) ) {
    echo 'cannot insert item_detail';
    return false;
  }

  return true;
}

function xnpfilesUpdateItem( $item_id ) {
  global $xoopsDB;
  $formdata =& xoonips_getutility( 'formdata' );
  $xnpsid = $_SESSION['XNPSID'];

  // edit BasicInformation, Index, Preview, Attachment
  $result = xnpUpdateBasicInformation( $item_id );
  if ( $result ) {
    $result = xnpUpdateIndex( $item_id );
    if ( $result ) {
      $result = xnpUpdatePreview( $item_id );
      if ( $result ) {
        $result = xnpUpdateAttachment( $item_id, 'files_file' );
        if ( $result ) {
          $result = xnp_insert_change_log( $xnpsid, $item_id, $formdata->getValue( 'post', 'change_log', 's', false ) );
          $result = ! $result;
          if ( ! $result ) {
            echo ' xnp_insert_change_log failed.';
          }
        } else {
          echo ' xnpUpdateAttachment failed.';
        }
      } else {
        echo ' xnpUpdatePreview failed.';
      }
    } else {
      echo ' xnpUpdateIndex failed.';
    }
  } else {
    echo ' xnpUpdateBasicInformation failed.';
  }
  if ( ! $result ) {
    return false;
  }

  // update item detail information
  $file_id = $formdata->getValue( 'post', 'files_fileFileID', 'i', false );
  $file_handler =& xoonips_getormhandler( 'xoonips', 'file' );
  $file_obj =& $file_handler->get( $file_id );
  $file_name = $file_obj->get( 'original_file_name' );
  $file_mimetype = $file_obj->get( 'mime_type' );
  $file_pathinfo = pathinfo( $file_name );
  $file_type = $file_pathinfo['extension'];
  $detail_handler =& xoonips_getormhandler( 'xnpfiles', 'item_detail' );
  $detail_obj =& $detail_handler->get( $item_id );
  $detail_obj->set( 'data_file_name', $file_name );
  $detail_obj->set( 'data_file_mimetype', $file_mimetype );
  $detail_obj->set( 'data_file_filetype', $file_type );
  if ( ! $detail_handler->insert( $detail_obj ) ) {
    echo 'cannot insert item_detail';
    return false;
  }
  return true;
}


function xnpfilesGetDetailInformationQuickSearchQuery( &$wheres, &$join, $keywords ) {
  global $xoopsDB;
  $data_table = $xoopsDB->prefix( 'xnpfiles_item_detail' );
  $file_table = $xoopsDB->prefix( 'xoonips_file' );

  $wheres = xnpGetKeywordsQueries( array( "$data_table.data_file_name", "$data_table.data_file_mimetype", "$data_table.data_file_filetype", ), $keywords );
  return true;
}


function xnpfilesGetAdvancedSearchQuery( &$where, &$join ) {
  global $xoopsDB;
  $formdata =& xoonips_getutility( 'formdata' );

  $basic_table = $xoopsDB->prefix( 'xoonips_item_basic' );
  $data_table = $xoopsDB->prefix( 'xnpfiles_item_detail' );
  $file_table = $xoopsDB->prefix( 'xoonips_file' );

  $wheres = array();
  $joins = array();
  $xnpfiles_data_file_filetype = $formdata->getValue( 'post', 'xnpfiles_data_file_filetype', 's', false );
  $data_file_name = $formdata->getValue( 'post', 'data_file_name', 's', false );
  $w = xnpGetBasicInformationAdvancedSearchQuery( 'xnpfiles' );
  if ( $w ) {
    $wheres[] = $w;
  }
  if ( ! empty( $xnpfiles_data_file_filetype ) ) {
    $wheres[] = $data_table.'.data_file_filetype = \''.addslashes( $xnpfiles_data_file_filetype ).'\'';
  }
  if ( ! empty( $data_file_name ) ) {
    $wheres[] = $data_table.'.data_file_name = \''.addslashes( $data_file_name ).'\'';
  }
  $w = xnpGetKeywordQuery( $data_table.'.data_file_mimetype', 'data_file_mimetype' );
  if ( $w ) {
    $wheres[] = $w;
  }
  $w = '';
  foreach ( $_POST as $key => $value ) {
    if ( substr( $key, 0, 19 ) == 'data_file_filetype_' ) {
      if ( $w != '' ) {
        $w .= ' or ';
      }
      $w .= $data_table.'.data_file_filetype = \''.substr( $key, 19 ).'\'';
    }
  }
  if ( $w ) {
    $wheres[] = $w;
  }

  $where = implode( ' and ', $wheres );
  $join = implode( ' ', $joins );
}

function xnpfilesGetAdvancedSearchBlock( &$search_var ) {
  // get BasicInformation / Preview / IndexKeywords block
  $basic = xnpGetBasicInformationAdvancedSearchBlock( 'xnpfiles', $search_var );
  $data_file_name = xnpfilesGetAttachmentFilenameAdvancedSearchBlock( 'data_file_name' );
  $data_file_mimetype = xnpfilesGetAttachmentMimetypeAdvancedSearchBlock( 'data_file_mimetype' );
  $data_file_filetype = xnpfilesGetAttachmentFiletypeAdvancedSearchBlock( 'data_file_filetype' );
  $search_var[] = 'data_file_mimetype';
  $search_var[] = 'data_file_filetype';
  $search_var[] = 'xnpfiles_data_file';

  // 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( 'module_name', 'xnpfiles' );
  $tpl->assign( 'data_file_name', $data_file_name );
  $tpl->assign( 'data_file_mimetype', $data_file_mimetype );
  $tpl->assign( 'data_file_filetype', $data_file_filetype );
  $tpl->assign( 'module_display_name', xnpGetItemTypeDisplayNameByDirname( basename( dirname( dirname( __FILE__ ) ) ), 's' ) );

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

function xnpfilesGetAttachmentFilenameAdvancedSearchBlock( $name ) {
  // create html
  $html = "<input type='text' name='${name}' value='' />";
  return array( 'name' => _MD_XOONIPS_ITEM_ATTACHMENT_LABEL, 'value' => $html );
}

function xnpfilesGetAttachmentMimetypeAdvancedSearchBlock( $name ) {
  // get attachment file
  // create html
  $files = xnpfilesGetDetailDistinctInfo( 'data_file_mimetype' );
  if ( count( $files ) == 0 ) {
    $html = '<select name="data_file_mimetype"><option value="">Any</option>
				</select>';
  } else {
    $mimetypes = $files;
    $html = '<select name="data_file_mimetype">';
    $html .= '<option value="">Any</option>
		';
    foreach ( $mimetypes as $key => $value ) {
      $html .= '<option label="'.$value[0].'" value="'.$value[0].'">'.$value[0].'</option>
			';
    }
    $html .= '</select>';
  }
  return array( 'name' => _MD_XOONIPS_ITEM_ATTACHMENT_LABEL, 'value' => $html );
}

function xnpfilesGetAttachmentFiletypeAdvancedSearchBlock( $name ) {
  // get attachment file
  // create html
  $files = xnpfilesGetDetailDistinctInfo( 'data_file_filetype' );
  if ( count( $files ) == 0 ) {
    $html = '<select name="data_file_filetype_Any">
				<option value="any">Any</option>
				</select>';
  } else {
    $mimetypes = $files;
    $html = '<table><tr>';
    $html .= '<td><input type="checkbox" name="data_file_filetype_Any" value="any"/>Any</td>
		';
    $cnt = 1;
    foreach ( $mimetypes as $key => $value ) {
      if ( $value[0] == '' ) {
        $html .= '<td><input type="checkbox" name="data_file_filetype_'.$value[0].'"/>none</td>
				';
      } else {
        $html .= '<td><input type="checkbox" name="data_file_filetype_'.$value[0].'"/>'.$value[0].'</td>
				';
      }
      $cnt++;
      if ( $cnt >= 10 ) {
        $html .= '</tr><tr>';
        $cnt = 0;
      }
    }
    $html .= '</tr></table>';
  }
  return array( 'name' => _MD_XOONIPS_ITEM_ATTACHMENT_LABEL, 'value' => $html );
}


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

/**
 *
 * write item detail information xml form export
 *
 * @see xnpExportItem
 *
 * @param string $export_path export file path
 * @param resource $fhdl output file handle
 * @param int $item_id target item id
 * @param bool $attachment true if export attachment or image file
 * @return bool false if failure
 */
function xnpfilesExportItem( $export_path, $fhdl, $item_id, $attachment ) {
  global $xoopsDB;

  if ( ! $fhdl ) {
    return false;
  }

  // get DetailInformation
  $result = $xoopsDB->query( 'select * from '.$xoopsDB->prefix( 'xnpfiles_item_detail' )." where files_id=$item_id" );
  if ( ! $result ) {
    return NULL;
  }
  $detail = $xoopsDB->fetchArray( $result );
  if ( ! fwrite( $fhdl, "<detail id=\"${item_id}\">\n".'<data_file_name>'.htmlspecialchars( $detail['data_file_name'], ENT_QUOTES )."</data_file_name>\n".'<data_file_mimetype>'.htmlspecialchars( $detail['data_file_mimetype'], ENT_QUOTES )."</data_file_mimetype>\n".'<data_file_filetype>'.htmlspecialchars( $detail['data_file_filetype'], ENT_QUOTES )."</data_file_filetype>\n" ) ) {
    return false;
  }
  if ( ! ( $attachment ? xnpExportFile( $export_path, $fhdl, $item_id ) : true ) ) {
    return false;
  }
  if ( ! fwrite( $fhdl, "</detail>\n" ) ) {
    return false;
  }

  return true;
}

function xnpfilesGetModifiedFields( $item_id ) {
  $ret = array();
  $formdata =& xoonips_getutility( 'formdata' );

  $basic = xnpGetBasicInformationArray( $item_id );

  $detail = xnpfilesGetDetailInformation( $item_id );

  if ( $detail ) {
    // was data file modified?
    if ( xnpIsAttachmentModified( 'files_file', $item_id ) ) {
      array_push( $ret, _MD_XNPFILES_DATA_FILE_LABEL );
    }
  }
  return $ret;
}

function xnpfilesGetTopBlock( $itemtype ) {
  return xnpGetTopBlock( $itemtype['name'], $itemtype['display_name'], 'images/icon_files.gif', _MD_XNPFILES_EXPLANATION, 'xnpfiles_data_file_filetype', xnpfilesGetTypes() );
}

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

function xnpfilesGetMetadata($prefix, $item_id) {
  $mydirpath = dirname(dirname(__FILE__));
  $mydirname = basename($mydirpath);
  if (!in_array($prefix, array('oai_dc', 'junii2')))
    return false;

  // detail information 
  $detail_handler =& xoonips_getormhandler($mydirname, 'item_detail');
  $detail_obj =& $detail_handler->get($item_id);
  if (empty($detail_obj))
    return false;
  $detail = $detail_obj->getArray();
  // basic information
  $basic = xnpGetBasicInformationArray($item_id);
  $basic['publication_date_iso8601'] = xnpISO8601($basic['publication_year'], $basic['publication_month'], $basic['publication_mday']);
  // indexes
  $indexes = array();
  if (xnp_get_index_id_by_item_id($_SESSION['XNPSID'], $item_id, $xids) == RES_OK)
    foreach ($xids as $xid)
      if (xnp_get_index($_SESSION['XNPSID'], $xid, $index) == RES_OK)
        $indexes[] = xnpGetIndexPathServerString($_SESSION['XNPSID'], $xid);
  // files
  $files = array();
  $mimetypes = array();
  $file_handler =& xoonips_gethandler('xoonips', 'file');
  $files = $file_handler->getFilesInfo($item_id, 'files_file');
  foreach ($files as $file) {
    if (!in_array($file['mime_type'], $mimetypes))
      $mimetypes[] = $file['mime_type'];
  }
  // related to
  $related_to_handler =& xoonips_getormhandler('xoonips', 'related_to');
  $related_to_ids = $related_to_handler->getChildItemIds($item_id);
  $related_tos = array();
  foreach ($related_to_ids as $related_to_id) {
    $related_tos[] = array(
      'item_id' => $related_to_id,
      'item_url' => XOOPS_URL.'/modules/xoonips/detail.php?item_id='.$related_to_id
    );
  }
  // repository configs
  $xconfig_handler =& xoonips_getormhandler( 'xoonips', 'config' );
  $myxoopsConfigMetaFooter =& xoonips_get_xoops_configs(XOOPS_CONF_METAFOOTER);
  $repository = array(
    'download_file_compression' => $xconfig_handler->getValue('download_file_compression'),
    'nijc_code' => $xconfig_handler->getValue('repository_nijc_code'),
    'publisher' => $xconfig_handler->getValue('repository_publisher'),
    'institution' => $xconfig_handler->getValue('repository_institution'),
    'meta_author' => $myxoopsConfigMetaFooter['meta_author']
  );
  // assign template
  global $xoopsTpl;
  $tpl = new XoopsTpl();
  $tpl->plugins_dir[] = XOONIPS_PATH.'/class/smarty/plugins';
  $tpl->assign($xoopsTpl->get_template_vars());
  $tpl->assign('basic', $basic);
  $tpl->assign('detail', $detail);
  $tpl->assign('indexes', $indexes);
  $tpl->assign('files', $files);
  $tpl->assign('mimetypes', $mimetypes);
  $tpl->assign('related_tos', $related_tos);
  $tpl->assign('repository', $repository);
  $xml = $tpl->fetch('db:'.$mydirname.'_oaipmh_'.$prefix.'.xml');
  return $xml;
}
