628 lines
21 KiB
PHP
628 lines
21 KiB
PHP
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Service
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* @subpackage Flickr
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Flickr.php 16211 2009-06-21 19:23:55Z thomas $
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*/
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/**
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* @category Zend
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* @package Zend_Service
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* @subpackage Flickr
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Service_Flickr
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{
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/**
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* Base URI for the REST client
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*/
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const URI_BASE = 'http://www.flickr.com';
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/**
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* Your Flickr API key
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*
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* @var string
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*/
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public $apiKey;
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/**
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* Reference to REST client object
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*
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* @var Zend_Rest_Client
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*/
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protected $_restClient = null;
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/**
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* Performs object initializations
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*
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* # Sets up character encoding
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* # Saves the API key
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*
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* @param string $apiKey Your Flickr API key
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* @return void
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*/
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public function __construct($apiKey)
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{
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iconv_set_encoding('output_encoding', 'UTF-8');
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iconv_set_encoding('input_encoding', 'UTF-8');
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iconv_set_encoding('internal_encoding', 'UTF-8');
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$this->apiKey = (string) $apiKey;
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}
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/**
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* Find Flickr photos by tag.
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*
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* Query options include:
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*
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* # per_page: how many results to return per query
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* # page: the starting page offset. first result will be (page - 1) * per_page + 1
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* # tag_mode: Either 'any' for an OR combination of tags,
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* or 'all' for an AND combination. Default is 'any'.
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* # min_upload_date: Minimum upload date to search on. Date should be a unix timestamp.
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* # max_upload_date: Maximum upload date to search on. Date should be a unix timestamp.
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* # min_taken_date: Minimum upload date to search on. Date should be a MySQL datetime.
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* # max_taken_date: Maximum upload date to search on. Date should be a MySQL datetime.
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*
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* @param string|array $query A single tag or an array of tags.
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* @param array $options Additional parameters to refine your query.
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* @return Zend_Service_Flickr_ResultSet
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* @throws Zend_Service_Exception
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*/
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public function tagSearch($query, array $options = array())
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{
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static $method = 'flickr.photos.search';
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static $defaultOptions = array('per_page' => 10,
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'page' => 1,
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'tag_mode' => 'or',
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'extras' => 'license, date_upload, date_taken, owner_name, icon_server');
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$options['tags'] = is_array($query) ? implode(',', $query) : $query;
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$options = $this->_prepareOptions($method, $options, $defaultOptions);
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$this->_validateTagSearch($options);
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// now search for photos
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$restClient = $this->getRestClient();
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$restClient->getHttpClient()->resetParameters();
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$response = $restClient->restGet('/services/rest/', $options);
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if ($response->isError()) {
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/**
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* @see Zend_Service_Exception
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*/
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require_once 'Zend/Service/Exception.php';
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throw new Zend_Service_Exception('An error occurred sending request. Status code: '
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. $response->getStatus());
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}
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$dom = new DOMDocument();
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$dom->loadXML($response->getBody());
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self::_checkErrors($dom);
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/**
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* @see Zend_Service_Flickr_ResultSet
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*/
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require_once 'Zend/Service/Flickr/ResultSet.php';
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return new Zend_Service_Flickr_ResultSet($dom, $this);
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}
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/**
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* Finds photos by a user's username or email.
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*
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* Additional query options include:
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*
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* # per_page: how many results to return per query
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* # page: the starting page offset. first result will be (page - 1) * per_page + 1
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* # min_upload_date: Minimum upload date to search on. Date should be a unix timestamp.
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* # max_upload_date: Maximum upload date to search on. Date should be a unix timestamp.
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* # min_taken_date: Minimum upload date to search on. Date should be a MySQL datetime.
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* # max_taken_date: Maximum upload date to search on. Date should be a MySQL datetime.
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*
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* @param string $query username or email
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* @param array $options Additional parameters to refine your query.
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* @return Zend_Service_Flickr_ResultSet
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* @throws Zend_Service_Exception
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*/
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public function userSearch($query, array $options = null)
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{
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static $method = 'flickr.people.getPublicPhotos';
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static $defaultOptions = array('per_page' => 10,
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'page' => 1,
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'extras' => 'license, date_upload, date_taken, owner_name, icon_server');
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// can't access by username, must get ID first
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if (strchr($query, '@')) {
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// optimistically hope this is an email
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$options['user_id'] = $this->getIdByEmail($query);
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} else {
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// we can safely ignore this exception here
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$options['user_id'] = $this->getIdByUsername($query);
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}
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$options = $this->_prepareOptions($method, $options, $defaultOptions);
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$this->_validateUserSearch($options);
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// now search for photos
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$restClient = $this->getRestClient();
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$restClient->getHttpClient()->resetParameters();
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$response = $restClient->restGet('/services/rest/', $options);
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if ($response->isError()) {
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/**
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* @see Zend_Service_Exception
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*/
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require_once 'Zend/Service/Exception.php';
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throw new Zend_Service_Exception('An error occurred sending request. Status code: '
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. $response->getStatus());
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}
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$dom = new DOMDocument();
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$dom->loadXML($response->getBody());
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self::_checkErrors($dom);
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/**
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* @see Zend_Service_Flickr_ResultSet
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*/
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require_once 'Zend/Service/Flickr/ResultSet.php';
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return new Zend_Service_Flickr_ResultSet($dom, $this);
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}
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/**
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* Finds photos in a group's pool.
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*
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* @param string $query group id
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* @param array $options Additional parameters to refine your query.
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* @return Zend_Service_Flickr_ResultSet
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* @throws Zend_Service_Exception
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*/
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public function groupPoolGetPhotos($query, array $options = array())
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{
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static $method = 'flickr.groups.pools.getPhotos';
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static $defaultOptions = array('per_page' => 10,
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'page' => 1,
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'extras' => 'license, date_upload, date_taken, owner_name, icon_server');
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if (empty($query) || !is_string($query)) {
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/**
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* @see Zend_Service_Exception
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*/
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require_once 'Zend/Service/Exception.php';
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throw new Zend_Service_Exception('You must supply a group id');
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}
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$options['group_id'] = $query;
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$options = $this->_prepareOptions($method, $options, $defaultOptions);
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$this->_validateGroupPoolGetPhotos($options);
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// now search for photos
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$restClient = $this->getRestClient();
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$restClient->getHttpClient()->resetParameters();
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$response = $restClient->restGet('/services/rest/', $options);
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if ($response->isError()) {
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/**
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* @see Zend_Service_Exception
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*/
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require_once 'Zend/Service/Exception.php';
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throw new Zend_Service_Exception('An error occurred sending request. Status code: '
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. $response->getStatus());
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}
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$dom = new DOMDocument();
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$dom->loadXML($response->getBody());
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self::_checkErrors($dom);
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/**
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* @see Zend_Service_Flickr_ResultSet
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*/
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require_once 'Zend/Service/Flickr/ResultSet.php';
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return new Zend_Service_Flickr_ResultSet($dom, $this);
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}
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/**
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* Utility function to find Flickr User IDs for usernames.
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*
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* (You can only find a user's photo with their NSID.)
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*
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* @param string $username the username
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* @return string the NSID (userid)
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* @throws Zend_Service_Exception
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*/
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public function getIdByUsername($username)
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{
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static $method = 'flickr.people.findByUsername';
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$options = array('api_key' => $this->apiKey, 'method' => $method, 'username' => (string) $username);
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if (empty($username)) {
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/**
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* @see Zend_Service_Exception
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*/
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require_once 'Zend/Service/Exception.php';
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throw new Zend_Service_Exception('You must supply a username');
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}
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$restClient = $this->getRestClient();
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$restClient->getHttpClient()->resetParameters();
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$response = $restClient->restGet('/services/rest/', $options);
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if ($response->isError()) {
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/**
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* @see Zend_Service_Exception
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*/
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require_once 'Zend/Service/Exception.php';
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throw new Zend_Service_Exception('An error occurred sending request. Status code: '
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. $response->getStatus());
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}
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$dom = new DOMDocument();
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$dom->loadXML($response->getBody());
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self::_checkErrors($dom);
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$xpath = new DOMXPath($dom);
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return (string) $xpath->query('//user')->item(0)->getAttribute('id');
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}
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/**
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* Utility function to find Flickr User IDs for emails.
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*
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* (You can only find a user's photo with their NSID.)
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*
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* @param string $email the email
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* @return string the NSID (userid)
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* @throws Zend_Service_Exception
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*/
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public function getIdByEmail($email)
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{
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static $method = 'flickr.people.findByEmail';
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if (empty($email)) {
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/**
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* @see Zend_Service_Exception
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*/
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require_once 'Zend/Service/Exception.php';
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throw new Zend_Service_Exception('You must supply an e-mail address');
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}
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$options = array('api_key' => $this->apiKey, 'method' => $method, 'find_email' => (string) $email);
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$restClient = $this->getRestClient();
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$restClient->getHttpClient()->resetParameters();
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$response = $restClient->restGet('/services/rest/', $options);
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if ($response->isError()) {
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/**
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* @see Zend_Service_Exception
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*/
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require_once 'Zend/Service/Exception.php';
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throw new Zend_Service_Exception('An error occurred sending request. Status code: '
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. $response->getStatus());
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}
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$dom = new DOMDocument();
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$dom->loadXML($response->getBody());
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self::_checkErrors($dom);
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$xpath = new DOMXPath($dom);
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return (string) $xpath->query('//user')->item(0)->getAttribute('id');
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}
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/**
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* Returns Flickr photo details by for the given photo ID
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*
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* @param string $id the NSID
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* @return array of Zend_Service_Flickr_Image, details for the specified image
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* @throws Zend_Service_Exception
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*/
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public function getImageDetails($id)
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{
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static $method = 'flickr.photos.getSizes';
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if (empty($id)) {
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/**
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* @see Zend_Service_Exception
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*/
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require_once 'Zend/Service/Exception.php';
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throw new Zend_Service_Exception('You must supply a photo ID');
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}
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$options = array('api_key' => $this->apiKey, 'method' => $method, 'photo_id' => $id);
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$restClient = $this->getRestClient();
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$restClient->getHttpClient()->resetParameters();
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$response = $restClient->restGet('/services/rest/', $options);
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$dom = new DOMDocument();
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$dom->loadXML($response->getBody());
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$xpath = new DOMXPath($dom);
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self::_checkErrors($dom);
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$retval = array();
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/**
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* @see Zend_Service_Flickr_Image
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*/
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require_once 'Zend/Service/Flickr/Image.php';
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foreach ($xpath->query('//size') as $size) {
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$label = (string) $size->getAttribute('label');
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$retval[$label] = new Zend_Service_Flickr_Image($size);
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}
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return $retval;
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}
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/**
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* Returns a reference to the REST client, instantiating it if necessary
|
||
|
|
*
|
||
|
|
* @return Zend_Rest_Client
|
||
|
|
*/
|
||
|
|
public function getRestClient()
|
||
|
|
{
|
||
|
|
if (null === $this->_restClient) {
|
||
|
|
/**
|
||
|
|
* @see Zend_Rest_Client
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Rest/Client.php';
|
||
|
|
$this->_restClient = new Zend_Rest_Client(self::URI_BASE);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->_restClient;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Validate User Search Options
|
||
|
|
*
|
||
|
|
* @param array $options
|
||
|
|
* @return void
|
||
|
|
* @throws Zend_Service_Exception
|
||
|
|
*/
|
||
|
|
protected function _validateUserSearch(array $options)
|
||
|
|
{
|
||
|
|
$validOptions = array('api_key', 'method', 'user_id', 'per_page', 'page', 'extras', 'min_upload_date',
|
||
|
|
'min_taken_date', 'max_upload_date', 'max_taken_date');
|
||
|
|
|
||
|
|
$this->_compareOptions($options, $validOptions);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @see Zend_Validate_Between
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Validate/Between.php';
|
||
|
|
$between = new Zend_Validate_Between(1, 500, true);
|
||
|
|
if (!$between->isValid($options['per_page'])) {
|
||
|
|
/**
|
||
|
|
* @see Zend_Service_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Service/Exception.php';
|
||
|
|
throw new Zend_Service_Exception($options['per_page'] . ' is not valid for the "per_page" option');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @see Zend_Validate_Int
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Validate/Int.php';
|
||
|
|
$int = new Zend_Validate_Int();
|
||
|
|
if (!$int->isValid($options['page'])) {
|
||
|
|
/**
|
||
|
|
* @see Zend_Service_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Service/Exception.php';
|
||
|
|
throw new Zend_Service_Exception($options['page'] . ' is not valid for the "page" option');
|
||
|
|
}
|
||
|
|
|
||
|
|
// validate extras, which are delivered in csv format
|
||
|
|
if ($options['extras']) {
|
||
|
|
$extras = explode(',', $options['extras']);
|
||
|
|
$validExtras = array('license', 'date_upload', 'date_taken', 'owner_name', 'icon_server');
|
||
|
|
foreach($extras as $extra) {
|
||
|
|
/**
|
||
|
|
* @todo The following does not do anything [yet], so it is commented out.
|
||
|
|
*/
|
||
|
|
//in_array(trim($extra), $validExtras);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Validate Tag Search Options
|
||
|
|
*
|
||
|
|
* @param array $options
|
||
|
|
* @return void
|
||
|
|
* @throws Zend_Service_Exception
|
||
|
|
*/
|
||
|
|
protected function _validateTagSearch(array $options)
|
||
|
|
{
|
||
|
|
$validOptions = array('method', 'api_key', 'user_id', 'tags', 'tag_mode', 'text', 'min_upload_date',
|
||
|
|
'max_upload_date', 'min_taken_date', 'max_taken_date', 'license', 'sort',
|
||
|
|
'privacy_filter', 'bbox', 'accuracy', 'machine_tags', 'machine_tag_mode', 'group_id',
|
||
|
|
'extras', 'per_page', 'page');
|
||
|
|
|
||
|
|
$this->_compareOptions($options, $validOptions);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @see Zend_Validate_Between
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Validate/Between.php';
|
||
|
|
$between = new Zend_Validate_Between(1, 500, true);
|
||
|
|
if (!$between->isValid($options['per_page'])) {
|
||
|
|
/**
|
||
|
|
* @see Zend_Service_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Service/Exception.php';
|
||
|
|
throw new Zend_Service_Exception($options['per_page'] . ' is not valid for the "per_page" option');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @see Zend_Validate_Int
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Validate/Int.php';
|
||
|
|
$int = new Zend_Validate_Int();
|
||
|
|
if (!$int->isValid($options['page'])) {
|
||
|
|
/**
|
||
|
|
* @see Zend_Service_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Service/Exception.php';
|
||
|
|
throw new Zend_Service_Exception($options['page'] . ' is not valid for the "page" option');
|
||
|
|
}
|
||
|
|
|
||
|
|
// validate extras, which are delivered in csv format
|
||
|
|
if ($options['extras']) {
|
||
|
|
$extras = explode(',', $options['extras']);
|
||
|
|
$validExtras = array('license', 'date_upload', 'date_taken', 'owner_name', 'icon_server');
|
||
|
|
foreach($extras as $extra) {
|
||
|
|
/**
|
||
|
|
* @todo The following does not do anything [yet], so it is commented out.
|
||
|
|
*/
|
||
|
|
//in_array(trim($extra), $validExtras);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Validate Group Search Options
|
||
|
|
*
|
||
|
|
* @param array $options
|
||
|
|
* @throws Zend_Service_Exception
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
protected function _validateGroupPoolGetPhotos(array $options)
|
||
|
|
{
|
||
|
|
$validOptions = array('api_key', 'tags', 'method', 'group_id', 'per_page', 'page', 'extras', 'user_id');
|
||
|
|
|
||
|
|
$this->_compareOptions($options, $validOptions);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @see Zend_Validate_Between
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Validate/Between.php';
|
||
|
|
$between = new Zend_Validate_Between(1, 500, true);
|
||
|
|
if (!$between->isValid($options['per_page'])) {
|
||
|
|
/**
|
||
|
|
* @see Zend_Service_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Service/Exception.php';
|
||
|
|
throw new Zend_Service_Exception($options['per_page'] . ' is not valid for the "per_page" option');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @see Zend_Validate_Int
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Validate/Int.php';
|
||
|
|
$int = new Zend_Validate_Int();
|
||
|
|
|
||
|
|
if (!$int->isValid($options['page'])) {
|
||
|
|
/**
|
||
|
|
* @see Zend_Service_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Service/Exception.php';
|
||
|
|
throw new Zend_Service_Exception($options['page'] . ' is not valid for the "page" option');
|
||
|
|
}
|
||
|
|
|
||
|
|
// validate extras, which are delivered in csv format
|
||
|
|
if (isset($options['extras'])) {
|
||
|
|
$extras = explode(',', $options['extras']);
|
||
|
|
$validExtras = array('license', 'date_upload', 'date_taken', 'owner_name', 'icon_server');
|
||
|
|
foreach($extras as $extra) {
|
||
|
|
/**
|
||
|
|
* @todo The following does not do anything [yet], so it is commented out.
|
||
|
|
*/
|
||
|
|
//in_array(trim($extra), $validExtras);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Throws an exception if and only if the response status indicates a failure
|
||
|
|
*
|
||
|
|
* @param DOMDocument $dom
|
||
|
|
* @return void
|
||
|
|
* @throws Zend_Service_Exception
|
||
|
|
*/
|
||
|
|
protected static function _checkErrors(DOMDocument $dom)
|
||
|
|
{
|
||
|
|
if ($dom->documentElement->getAttribute('stat') === 'fail') {
|
||
|
|
$xpath = new DOMXPath($dom);
|
||
|
|
$err = $xpath->query('//err')->item(0);
|
||
|
|
/**
|
||
|
|
* @see Zend_Service_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Service/Exception.php';
|
||
|
|
throw new Zend_Service_Exception('Search failed due to error: ' . $err->getAttribute('msg')
|
||
|
|
. ' (error #' . $err->getAttribute('code') . ')');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Prepare options for the request
|
||
|
|
*
|
||
|
|
* @param string $method Flickr Method to call
|
||
|
|
* @param array $options User Options
|
||
|
|
* @param array $defaultOptions Default Options
|
||
|
|
* @return array Merged array of user and default/required options
|
||
|
|
*/
|
||
|
|
protected function _prepareOptions($method, array $options, array $defaultOptions)
|
||
|
|
{
|
||
|
|
$options['method'] = (string) $method;
|
||
|
|
$options['api_key'] = $this->apiKey;
|
||
|
|
|
||
|
|
return array_merge($defaultOptions, $options);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Throws an exception if and only if any user options are invalid
|
||
|
|
*
|
||
|
|
* @param array $options User options
|
||
|
|
* @param array $validOptions Valid options
|
||
|
|
* @return void
|
||
|
|
* @throws Zend_Service_Exception
|
||
|
|
*/
|
||
|
|
protected function _compareOptions(array $options, array $validOptions)
|
||
|
|
{
|
||
|
|
$difference = array_diff(array_keys($options), $validOptions);
|
||
|
|
if ($difference) {
|
||
|
|
/**
|
||
|
|
* @see Zend_Service_Exception
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Service/Exception.php';
|
||
|
|
throw new Zend_Service_Exception('The following parameters are invalid: ' . implode(',', $difference));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|