root/trunk/includes/Metalbum/flickr.class.php

<?php
/****************************************************** Open .node ***
 * Description:   
 * Status:        Stable.
 * Author:        Alexandre Dath <alexandre@dotnode.com>
 * $Id$
 *
 * Copyright (C) 2005 Alexandre Dath <alexandre@dotnode.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.
 ******************** http://opensource.ikse.net/projects/dotnode ***/

require_once 'Flickr/API.php';

# create a new api object

class Metalbum_Flickr extends Metalbum {
    var $api;
    var $username;
    var $nsid;
    var $nb_items;
    
    function Metalbum_Flickr($username, $params) {
        $this->api =& new Flickr_API($params);
        if(!$this->_setUsername($username)) 
            $this->status = 'error';
        else
            $this->status = 'ok';
    }

    function _setUsername($username) {
        $response = $this->api->callMethod('flickr.people.findByUsername', array('username' => $username));
        if ($response) {
            $this->username = $username;
            $user_node =  $response->getNodeAt('user');
            $this->nsid = $user_node->getAttribute('nsid');
            return $this->nsid;
        } else {
            $this->_setError(__FUNCTION__, $this->api->getErrorCode(), $this->api->getErrorMessage());
            return false;
        }
    }

    function _buildUrl($type, $server, $secret, $id) {
        switch($type) {
            case 'thumb':    $format='_t'; break;
            case 'full':
            default:    $format=''; break;
        }
        return "http://photos{$server}.flickr.com/{$id}_{$secret}{$format}.jpg";
    }

    function getNbItems() {
        if($this->nb_items) {
            return $this->nb_items;
        } else {
            $response = $this->api->callMethod('flickr.people.getPublicPhotos', array('user_id' => $this->nsid));
            if ($response) {
                $photos_node = $response->getNodeAt('photos');
                $this->nb_items = $photos_node->getAttribute('total');
                return $this->nb_items;
            } else {
                $this->_setError(__FUNCTION__, $this->api->getErrorCode(), $this->api->getErrorMessage());
                return false;
            }
        }
    }

    function getPhotos($page=1, $per_page=15) {
        $response = $this->api->callMethod('flickr.people.getPublicPhotos', array(
                    'user_id' => $this->nsid,
                    'per_page' => $per_page,
                    'page' => $page
                    ));
        if ($response) {
            $photos_node = $response->getNodeAt('photos');
            $this->nb_items = $photos_node->getAttribute('total');
            $idx = 0;
            // Must set the step to 2, because XML_Tree create node for line return in the XML (empty element)
            for($idx=0; $idx < $per_page*2; $idx+=2) {
                $photo_node = $photos_node->getElement(array($idx+1));
                if(PEAR::isError($photo_node))
                    break;
                else {
                    unset($photo);
                    $id = $photo_node->getAttribute('id');
                    $server = $photo_node->getAttribute('server');
                    $secret = $photo_node->getAttribute('secret');
                    $photo['id'] = $id;
                    $photo['title'] = $photo_node->getAttribute('title');
                    $photo['url_thumb'] = $this->_buildUrl('thumb', $server, $secret, $id);
                    $photo['url_full'] = $this->_buildUrl('full', $server, $secret, $id);
                    $rval[] = $photo;
                }
            }
            return $rval;
        } else {
            $this->_setError(__FUNCTION__, $this->api->getErrorCode(), $this->api->getErrorMessage());
            return false;
        }
    }


    function getPhotoInfo($id_photo) {
        $response = $this->api->callMethod('flickr.photos.getInfo', array(
                    'photo_id' => $id_photo
                    ));
        if ($response) {
            $photo_node = $response->getNodeAt('photo');
            $id = $photo_node->getAttribute('id');
            $secret = $photo_node->getAttribute('secret');
            $server = $photo_node->getAttribute('server');

            $title_node = $photo_node->getNodeAt('title');
            $info['title'] = $title_node->decodeXmlEntities($title_node->content);
            $description_node = $photo_node->getNodeAt('description');
            $info['description'] = $description_node->decodeXmlEntities($description_node->content);
            $info['url_thumb'] = $this->_buildUrl('thumb', $server, $secret, $id);
            $info['url_full'] = $this->_buildUrl('full', $server, $secret, $id);
            return $info;
        } else {
            $this->_setError(__FUNCTION__, $this->api->getErrorCode(), $this->api->getErrorMessage());
            return false;
        }
    }

    function getUrlAlbum() {
        return 'http://flickr.com/photos/'.$this->nsid.'/';
    }
    
}

?>