<?php
/*
 * Gallery2Flickr
 *
 * A bridge between your gallery2 installation and flickr.com
 *
 * File:       Gallery2FlickrUserAdmin.inc
 *
 *             Handle the site admin settings.
 *
 * Copyright:
 *             (c) 2006 hide@address.com
 *             Distributed under the terms of the GNU General Public License v2
 *
 * Author(s):
 *             Gunnar Wrobel <hide@address.com>
 *
 * 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., 51 Franklin Street - Fifth Floor, Boston, MA
 * 02110-1301, USA.
 *
 * (Gallery2Flickr is a module for Gallery2 - a web based photo album
 *  viewer and editor - Copyright for Gallery2: (C) 2000-2006 Bharat
 *  Mediratta)
 *

 */
/**
 * @package Gallery2Flickr
 * @subpackage UserInterface
 * @version $Id: Gallery2FlickrUserAdmin.inc 10 2008-01-18 09:39:31Z luciferc $
 * @author Gunnar Wrobel <hide@address.com>
 */

/**
 * @package Gallery2Flickr
 * @subpackage UserInterface
 */
class Gallery2FlickrUserAdminController extends GalleryController 
{
    /**
     * @see GalleryController::handleRequest()
     */
    function handleRequest($form) {
	GalleryCoreApi::requireOnce('modules/Gallery2Flickr/classes/Gallery2Flickr.class.php');

	list($ret, $allowed) = FlickrToGalleryHelper::adminAccessAllowed();
	if ($ret) {
	    return array($ret, null);
	}
	
	$status = $error = array();
	
	if (isset($form['action']['link'])) {
	    
	    $f2g = new FlickrToGallery();
	    
	    $res = $f2g->auth_link();
	    if ($res['error']) {
		$error[] = 'form[error][flickr]';
		//var_dump('(' . $res['error']['code'] . ') ' . $res['error']['message']);
	    } else {
		// generate and store the link the user can use to give
		// Gallery2Flickr access
		$status['link'] = $res['link'];
		
		// Store the frob
		$ret = FlickrToGalleryHelper::storeFrob($res['frob']);
		if ($ret) {
		    return array($ret, null);
		}
	    }
	    
	} elseif (isset($form['action']['save'])) {

	    // We need the frob again
	    list ($ret, $flickr_api_frob) = FlickrToGalleryHelper::retrieveFrob();
	    if ($ret) {
		return array($ret, null);
	    }
	    
	    $f2g = new FlickrToGallery();
	    // Get token from frob
	    $flickr_api_token = $f2g->flickr->auth_getToken($flickr_api_frob);

	    // generate the token from the frob. This will only work if the user
	    // really gave us access
	    if (empty($flickr_api_token['token'])) {
		$error[] = 'form[error][frob]';
	    } else {
		// store the token
		$ret = FlickrToGalleryHelper::storeToken($flickr_api_token['token']);
		if ($ret) {
		    return array($ret, null);
		}
		$status['saved'] = 1;
	    }
	} elseif (isset($form['action']['delete'])) {

	    // We need the frob again
	    list ($ret, $flickr_api_frob) = FlickrToGalleryHelper::deleteFrob();
	    if ($ret) {
		return array($ret, null);
	    }
	    
	    list ($ret, $flickr_api_frob) = FlickrToGalleryHelper::deleteToken();
	    if ($ret) {
		return array($ret, null);
	    }
	    
	}
	
	/* Figure out where to redirect upon success */
	$method = empty($error) ? 'redirect' : 'delegate';
	$results[$method]['view'] = 'core.UserAdmin';
	$results[$method]['subView'] = 'Gallery2Flickr.Gallery2FlickrUserAdmin';
	$results['status'] = $status;
	$results['error'] = $error;
	
      return array(null, $results);
    }
}

/**
 * @package Gallery2Flickr
 * @subpackage UserInterface
 */
class Gallery2FlickrUserAdminView extends GalleryView {
    
    /**
     * @see GalleryView::loadTemplate
     */
    function loadTemplate(&$template, &$form) {
	GalleryCoreApi::requireOnce('modules/Gallery2Flickr/classes/Gallery2Flickr.class.php');

	list($ret, $allowed) = FlickrToGalleryHelper::adminAccessAllowed();
	if ($ret) {
	    return array($ret, null);
	}

	if ($form['formName'] != 'Gallery2FlickrUserAdmin') {
	    $form['formName'] = 'Gallery2FlickrUserAdmin';
	}
	if (FlickrToGalleryHelper::hasFrob()) {
	  $template->setVariable('hasfrob', '1');
	}

	$template->setVariable('controller', 'Gallery2Flickr.Gallery2FlickrUserAdmin');
	return array(null, array('body' =>
				 'modules/Gallery2Flickr/templates/Gallery2FlickrUserAdmin.tpl'));
    }
}
?>