<?php

/**
 * db file data class
 *
 * File data database abstraction class for context
 *
 * PHP version 5
 *
 * 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.
 * 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.
 *
 * @category  Chisimba
 * @package   context
 * @author    Wesley Nitsckie <wnitsckie@uwc.ac.za>
 * @copyright 2007 Wesley Nitsckie
 * @license   http://www.gnu.org/licenses/gpl-2.0.txt The GNU General Public License
 * @version   $Id$
 * @link      http://avoir.uwc.ac.za
 * @see       core
 */
/* -------------------- dbTable class ----------------*/
// security check - must be included in all scripts
if (! /**
 * Description for $GLOBALS
 * @global string $GLOBALS['kewl_entry_point_run']
 * @name   $kewl_entry_point_run
 */
$GLOBALS ['kewl_entry_point_run']) {
    die ( "You cannot view this page directly" );
}
// end security check


/**
 * db file data class
 *
 * File data database abstraction class for context
 *
 * @category  Chisimba
 * @package   context
 * @author    Wesley Nitsckie <wnitsckie@uwc.ac.za>
 * @copyright 2007 Wesley Nitsckie
 * @license   http://www.gnu.org/licenses/gpl-2.0.txt The GNU General Public License
 * @version   Release: @package_version@
 * @link      http://avoir.uwc.ac.za
 * @see       core
 */
class dbfiledata extends dbTable {
    /**
     * Context object
     *
     * @var object objDBContext;
     */
    public $objDBContext;

    /**
     * Constructor
     */
    public function init() {
        parent::init ( 'tbl_context_filedata' );
        $this->objDBContext = $this->newObject ( 'dbcontext', 'context' );
    }

    /**
     * Method to insert file data
     *
     * @param string $fileId   The File Id
     * @param string $parentId The Parent Id
     * @param string $path     The the path the the file
     */
    public function insertFileData($fileId, $parentId, $path) {
        $completepath = $path;
        $fp = fopen ( realpath ( $completepath ), "rb" );
        $count = 0;
        while ( ! feof ( $fp ) ) {
            // Make the data mysql insert safe
            $binarydata = fread ( $fp, 65535 );
            $this->insert ( array ('tbl_context_file_tbl_context_parentnodes_id' => $parentId, 'tbl_context_file_id' => $fileId, 'segment' => $count, 'filedata' => $binarydata ) );
            $count = $count + 1;
        }
        fclose ( $fp );
    }

    /**
     * Method to update file data
     *
     * @param string $fileId   The File Id
     * @param string $parentId The Parent Id
     * @param string $path     The the path the the file
     */
    public function updateFileData($fileId, $parentId, $path) {
        //first delet the old file data
        $this->delete ( 'tbl_context_file_id', $fileId );
        //then add the new binary data
        $this->insertFileData ( $fileId, $parentId, $path );
    }

}

?>