<?php
/**
 * Get folder id
 *
 * $$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package WB
 * @subpackage db
 */

WBClass::load('WBDatasource_FormAttribute');

/**
 * Get folder id
 *
 *
 * @version 0.1.0
 * @package WB
 * @subpackage db
 */
class WBDatasource_FormAttribute_VFSDateFolder extends WBDatasource_FormAttribute
{
    /**
     * Configuration parameter
     *
     * - user: User scope for VFS
     * - timestamp: date and time to create folders for
     * - format: time format used to create folder, separate folder with "/"
     * - subfolder: additional sub folder (optional)
     * - basedir: start creating folder in basedir instead of root
     *
     * @var array
     */
    protected $config   =   array(
                                'user'          =>  '1',
                                'timestamp'     =>  'now',
                                'format'        =>  '%Y/%m/%d',
                                'subfolder'     =>  '',
                                'basedir'       =>  '0'

                            );

    /**
     * directory browser
     * @var WBVFS_Explorer
     */
    protected $expl;

    /**
     * Get Attribute's Value
     *
     * Create subfolder based on date and format. E.g. create subfolder for year, month and day.
     *
     *
     * @param mixed $current actual attribute value
     * @return array
     */
    protected function getAttributeValue($current)
    {
        // default is "now"
        if (empty($this->config['timestamp'])) {
            $this->config['timestamp']  =   'now';
        }
        $ts =   strtotime($this->config['timestamp']);
        if (!$ts) {
            $ts =   strtotime('now');
        }

        $ts =   strftime($this->config['format'], $ts);
        $ts =   explode('/', $ts);
        $param  =   array(
                        'user'  =>  $this->config['user']
                        );
        $this->expl =   WBClass::create('WBVFS_Explorer', $param);
        $list   =   $this->expl->lsDir($this->config['basedir']);


        $parent =   $this->config['basedir'];
        foreach ($ts as $name) {
            $id =   null;
            foreach ($list as $l) {
                if ($name == $l['name']) {
                    $id     =   $l['id'];
                    $parent =   $id;
                    $list   =   $this->expl->lsDir($id);
                    break;
                }
            }

            if ($id) {
                continue;
            }

            $id     =   $this->expl->mkDir($parent, $name);
            $parent =   $id;
            $list   =   array();
        }

        if (empty($this->config['subfolder'])) {
            return $id;
        }
        $list   =   $this->expl->lsDir($id);
        foreach ($list as $l) {
            if ($this->config['subfolder'] == $l['name']) {
                return $l['id'];
            }
        }
        $id     =   $this->expl->mkDir($id, $this->config['subfolder']);
        return $id;
    }
}