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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Service
* @subpackage Yahoo
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Yahoo.php 18951 2009-11-12 16:26:19Z alexander $
*/
/**
* @category Zend
* @package Zend_Service
* @subpackage Yahoo
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Service_Yahoo
{
/**
* Yahoo Developer Application ID
*
* @var string
*/
public $appId;
/**
* Reference to the REST client
*
* @var Zend_Rest_Client
*/
protected $_rest;
/**
* Sets the application ID and instantiates the REST client
*
* @param string $appId specified the developer's appid
* @return void
*/
public function __construct($appId)
{
$this->appId = (string) $appId;
/**
* @see Zend_Rest_Client
*/
require_once 'Zend/Rest/Client.php';
$this->_rest = new Zend_Rest_Client('http://search.yahooapis.com');
}
/**
* Retrieve Inlink Data from siteexplorer.yahoo.com. A basic query
* consists simply of a URL. Additional options that can be
* specified consist of:
* 'results' => int How many results to return, max is 100
* 'start' => int The start offset for search results
* 'entire_site' => bool Data for the whole site or a single page
* 'omit_inlinks' => (none|domain|subdomain) Filter inlinks from these sources
*
* @param string $query the query being run
* @param array $options any optional parameters
* @return Zend_Service_Yahoo_ResultSet The return set
* @throws Zend_Service_Exception
*/
public function inlinkDataSearch($query, array $options = array())
{
static $defaultOptions = array('results' => '50',
'start' => 1);
$options = $this->_prepareOptions($query, $options, $defaultOptions);
$this->_validateInlinkDataSearch($options);
$this->_rest->getHttpClient()->resetParameters();
$this->_rest->setUri('http://search.yahooapis.com');
$response = $this->_rest->restGet('/SiteExplorerService/V1/inlinkData', $options);
if ($response->isError()) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception('An error occurred sending request. Status code: ' .
$response->getStatus());
}
$dom = new DOMDocument();
$dom->loadXML($response->getBody());
self::_checkErrors($dom);
/**
* @see Zend_Service_Yahoo_InlinkDataResultSet
*/
require_once 'Zend/Service/Yahoo/InlinkDataResultSet.php';
return new Zend_Service_Yahoo_InlinkDataResultSet($dom);
}
/**
* Perform a search of images. The most basic query consists simply
* of a plain text search, but you can also specify the type of
* image, the format, color, etc.
*
* The specific options are:
* 'type' => (all|any|phrase) How to parse the query terms
* 'results' => int How many results to return, max is 50
* 'start' => int The start offset for search results
* 'format' => (any|bmp|gif|jpeg|png) The type of images to search for
* 'coloration' => (any|color|bw) The coloration of images to search for
* 'adult_ok' => bool Flag to allow 'adult' images.
*
* @param string $query the query to be run
* @param array $options an optional array of query options
* @return Zend_Service_Yahoo_ImageResultSet the search results
* @throws Zend_Service_Exception
*/
public function imageSearch($query, array $options = array())
{
static $defaultOptions = array('type' => 'all',
'results' => 10,
'start' => 1,
'format' => 'any',
'coloration' => 'any');
$options = $this->_prepareOptions($query, $options, $defaultOptions);
$this->_validateImageSearch($options);
$this->_rest->getHttpClient()->resetParameters();
$this->_rest->setUri('http://search.yahooapis.com');
$response = $this->_rest->restGet('/ImageSearchService/V1/imageSearch', $options);
if ($response->isError()) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception('An error occurred sending request. Status code: ' .
$response->getStatus());
}
$dom = new DOMDocument();
$dom->loadXML($response->getBody());
self::_checkErrors($dom);
/**
* @see Zend_Service_YahooImageResultSet
*/
require_once 'Zend/Service/Yahoo/ImageResultSet.php';
return new Zend_Service_Yahoo_ImageResultSet($dom);
}
/**
* Perform a search on local.yahoo.com. The basic search
* consists of a query and some fragment of location information;
* for example zipcode, latitude/longitude, or street address.
*
* Query options include:
* 'results' => int How many results to return, max is 50
* 'start' => int The start offset for search results
* 'sort' => (relevance|title|distance|rating) How to order your results
*
* 'radius' => float The radius (in miles) in which to search
*
* 'longitude' => float The longitude of the location to search around
* 'latitude' => float The latitude of the location to search around
*
* 'zip' => string The zipcode to search around
*
* 'street' => string The street address to search around
* 'city' => string The city for address search
* 'state' => string The state for address search
* 'location' => string An adhoc location string to search around
*
* @param string $query The query string you want to run
* @param array $options The search options, including location
* @return Zend_Service_Yahoo_LocalResultSet The results
* @throws Zend_Service_Exception
*/
public function localSearch($query, array $options = array())
{
static $defaultOptions = array('results' => 10,
'start' => 1,
'sort' => 'distance',
'radius' => 5);
$options = $this->_prepareOptions($query, $options, $defaultOptions);
$this->_validateLocalSearch($options);
$this->_rest->getHttpClient()->resetParameters();
$this->_rest->setUri('http://local.yahooapis.com');
$response = $this->_rest->restGet('/LocalSearchService/V1/localSearch', $options);
if ($response->isError()) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception('An error occurred sending request. Status code: ' .
$response->getStatus());
}
$dom = new DOMDocument();
$dom->loadXML($response->getBody());
self::_checkErrors($dom);
/**
* @see Zend_Service_Yahoo_LocalResultSet
*/
require_once 'Zend/Service/Yahoo/LocalResultSet.php';
return new Zend_Service_Yahoo_LocalResultSet($dom);
}
/**
* Execute a search on news.yahoo.com. This method minimally takes a
* text query to search on.
*
* Query options coonsist of:
*
* 'results' => int How many results to return, max is 50
* 'start' => int The start offset for search results
* 'sort' => (rank|date) How to order your results
* 'language' => lang The target document language to match
* 'type' => (all|any|phrase) How the query should be parsed
* 'site' => string A site to which your search should be restricted
*
* @param string $query The query to run
* @param array $options The array of optional parameters
* @return Zend_Service_Yahoo_NewsResultSet The query return set
* @throws Zend_Service_Exception
*/
public function newsSearch($query, array $options = array())
{
static $defaultOptions = array('type' => 'all',
'start' => 1,
'sort' => 'rank');
$options = $this->_prepareOptions($query, $options, $defaultOptions);
$this->_validateNewsSearch($options);
$this->_rest->getHttpClient()->resetParameters();
$this->_rest->setUri('http://search.yahooapis.com');
$response = $this->_rest->restGet('/NewsSearchService/V1/newsSearch', $options);
if ($response->isError()) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception('An error occurred sending request. Status code: ' .
$response->getStatus());
}
$dom = new DOMDocument();
$dom->loadXML($response->getBody());
self::_checkErrors($dom);
/**
* @see Zend_Service_Yahoo_NewsResultSet
*/
require_once 'Zend/Service/Yahoo/NewsResultSet.php';
return new Zend_Service_Yahoo_NewsResultSet($dom);
}
/**
* Retrieve Page Data from siteexplorer.yahoo.com. A basic query
* consists simply of a URL. Additional options that can be
* specified consist of:
* 'results' => int How many results to return, max is 100
* 'start' => int The start offset for search results
* 'domain_only' => bool Data for just the given domain or all sub-domains also
*
* @param string $query the query being run
* @param array $options any optional parameters
* @return Zend_Service_Yahoo_ResultSet The return set
* @throws Zend_Service_Exception
*/
public function pageDataSearch($query, array $options = array())
{
static $defaultOptions = array('results' => '50',
'start' => 1);
$options = $this->_prepareOptions($query, $options, $defaultOptions);
$this->_validatePageDataSearch($options);
$this->_rest->getHttpClient()->resetParameters();
$this->_rest->setUri('http://search.yahooapis.com');
$response = $this->_rest->restGet('/SiteExplorerService/V1/pageData', $options);
if ($response->isError()) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception('An error occurred sending request. Status code: ' .
$response->getStatus());
}
$dom = new DOMDocument();
$dom->loadXML($response->getBody());
self::_checkErrors($dom);
/**
* @see Zend_Service_Yahoo_PageDataResultSet
*/
require_once 'Zend/Service/Yahoo/PageDataResultSet.php';
return new Zend_Service_Yahoo_PageDataResultSet($dom);
}
/**
* Perform a search of videos. The most basic query consists simply
* of a plain text search, but you can also specify the format of
* video.
*
* The specific options are:
* 'type' => (all|any|phrase) How to parse the query terms
* 'results' => int How many results to return, max is 50
* 'start' => int The start offset for search results
* 'format' => (any|avi|flash|mpeg|msmedia|quicktime|realmedia) The type of videos to search for
* 'adult_ok' => bool Flag to allow 'adult' videos.
*
* @param string $query the query to be run
* @param array $options an optional array of query options
* @return Zend_Service_Yahoo_VideoResultSet the search results
* @throws Zend_Service_Exception
*/
public function videoSearch($query, array $options = array())
{
static $defaultOptions = array('type' => 'all',
'results' => 10,
'start' => 1,
'format' => 'any');
$options = $this->_prepareOptions($query, $options, $defaultOptions);
$this->_validateVideoSearch($options);
$this->_rest->getHttpClient()->resetParameters();
$this->_rest->setUri('http://search.yahooapis.com');
$response = $this->_rest->restGet('/VideoSearchService/V1/videoSearch', $options);
if ($response->isError()) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception('An error occurred sending request. Status code: ' .
$response->getStatus());
}
$dom = new DOMDocument();
$dom->loadXML($response->getBody());
self::_checkErrors($dom);
/**
* @see Zend_Service_YahooVideoResultSet
*/
require_once 'Zend/Service/Yahoo/VideoResultSet.php';
return new Zend_Service_Yahoo_VideoResultSet($dom);
}
/**
* Perform a web content search on search.yahoo.com. A basic query
* consists simply of a text query. Additional options that can be
* specified consist of:
* 'results' => int How many results to return, max is 50
* 'start' => int The start offset for search results
* 'language' => lang The target document language to match
* 'type' => (all|any|phrase) How the query should be parsed
* 'site' => string A site to which your search should be restricted
* 'format' => (any|html|msword|pdf|ppt|rss|txt|xls)
* 'adult_ok' => bool permit 'adult' content in the search results
* 'similar_ok' => bool permit similar results in the result set
* 'country' => string The country code for the content searched
* 'license' => (any|cc_any|cc_commercial|cc_modifiable) The license of content being searched
* 'region' => The regional search engine on which the service performs the search. default us.
*
* @param string $query the query being run
* @param array $options any optional parameters
* @return Zend_Service_Yahoo_WebResultSet The return set
* @throws Zend_Service_Exception
*/
public function webSearch($query, array $options = array())
{
static $defaultOptions = array('type' => 'all',
'start' => 1,
'license' => 'any',
'results' => 10,
'format' => 'any');
$options = $this->_prepareOptions($query, $options, $defaultOptions);
$this->_validateWebSearch($options);
$this->_rest->getHttpClient()->resetParameters();
$this->_rest->setUri('http://search.yahooapis.com');
$response = $this->_rest->restGet('/WebSearchService/V1/webSearch', $options);
if ($response->isError()) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception('An error occurred sending request. Status code: ' .
$response->getStatus());
}
$dom = new DOMDocument();
$dom->loadXML($response->getBody());
self::_checkErrors($dom);
/**
* @see Zend_Service_Yahoo_WebResultSet
*/
require_once 'Zend/Service/Yahoo/WebResultSet.php';
return new Zend_Service_Yahoo_WebResultSet($dom);
}
/**
* Returns a reference to the REST client
*
* @return Zend_Rest_Client
*/
public function getRestClient()
{
return $this->_rest;
}
/**
* Validate Inlink Data Search Options
*
* @param array $options
* @return void
* @throws Zend_Service_Exception
*/
protected function _validateInlinkDataSearch(array $options)
{
$validOptions = array('appid', 'query', 'results', 'start', 'entire_site', 'omit_inlinks');
$this->_compareOptions($options, $validOptions);
/**
* @see Zend_Validate_Between
*/
require_once 'Zend/Validate/Between.php';
$between = new Zend_Validate_Between(1, 100, true);
if (isset($options['results']) && !$between->setMin(1)->setMax(100)->isValid($options['results'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'results': {$options['results']}");
}
if (isset($options['start']) && !$between->setMin(1)->setMax(1000)->isValid($options['start'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'start': {$options['start']}");
}
if (isset($options['omit_inlinks'])) {
$this->_validateInArray('omit_inlinks', $options['omit_inlinks'], array('none', 'domain', 'subdomain'));
}
}
/**
* Validate Image Search Options
*
* @param array $options
* @return void
* @throws Zend_Service_Exception
*/
protected function _validateImageSearch(array $options)
{
$validOptions = array('appid', 'query', 'type', 'results', 'start', 'format', 'coloration', 'adult_ok');
$this->_compareOptions($options, $validOptions);
if (isset($options['type'])) {
switch($options['type']) {
case 'all':
case 'any':
case 'phrase':
break;
default:
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'type': '{$options['type']}'");
}
}
/**
* @see Zend_Validate_Between
*/
require_once 'Zend/Validate/Between.php';
$between = new Zend_Validate_Between(1, 50, true);
if (isset($options['results']) && !$between->setMin(1)->setMax(50)->isValid($options['results'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'results': {$options['results']}");
}
if (isset($options['start']) && !$between->setMin(1)->setMax(1000)->isValid($options['start'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'start': {$options['start']}");
}
if (isset($options['format'])) {
switch ($options['format']) {
case 'any':
case 'bmp':
case 'gif':
case 'jpeg':
case 'png':
break;
default:
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'format': {$options['format']}");
}
}
if (isset($options['coloration'])) {
switch ($options['coloration']) {
case 'any':
case 'color':
case 'bw':
break;
default:
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'coloration': "
. "{$options['coloration']}");
}
}
}
/**
* Validate Local Search Options
*
* @param array $options
* @return void
* @throws Zend_Service_Exception
*/
protected function _validateLocalSearch(array $options)
{
$validOptions = array('appid', 'query', 'results', 'start', 'sort', 'radius', 'street',
'city', 'state', 'zip', 'location', 'latitude', 'longitude');
$this->_compareOptions($options, $validOptions);
/**
* @see Zend_Validate_Between
*/
require_once 'Zend/Validate/Between.php';
$between = new Zend_Validate_Between(1, 20, true);
if (isset($options['results']) && !$between->setMin(1)->setMax(20)->isValid($options['results'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'results': {$options['results']}");
}
if (isset($options['start']) && !$between->setMin(1)->setMax(1000)->isValid($options['start'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'start': {$options['start']}");
}
if (isset($options['longitude']) && !$between->setMin(-90)->setMax(90)->isValid($options['longitude'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'longitude': {$options['longitude']}");
}
if (isset($options['latitude']) && !$between->setMin(-180)->setMax(180)->isValid($options['latitude'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'latitude': {$options['latitude']}");
}
if (isset($options['zip']) && !preg_match('/(^\d{5}$)|(^\d{5}-\d{4}$)/', $options['zip'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'zip': {$options['zip']}");
}
$hasLocation = false;
$locationFields = array('street', 'city', 'state', 'zip', 'location');
foreach ($locationFields as $field) {
if (isset($options[$field]) && $options[$field] != '') {
$hasLocation = true;
break;
}
}
if (!$hasLocation && (!isset($options['latitude']) || !isset($options['longitude']))) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception('Location data are required but missing');
}
if (!in_array($options['sort'], array('relevance', 'title', 'distance', 'rating'))) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'sort': {$options['sort']}");
}
}
/**
* Validate News Search Options
*
* @param array $options
* @return void
* @throws Zend_Service_Exception
*/
protected function _validateNewsSearch(array $options)
{
$validOptions = array('appid', 'query', 'results', 'start', 'sort', 'language', 'type', 'site');
$this->_compareOptions($options, $validOptions);
/**
* @see Zend_Validate_Between
*/
require_once 'Zend/Validate/Between.php';
$between = new Zend_Validate_Between(1, 50, true);
if (isset($options['results']) && !$between->setMin(1)->setMax(50)->isValid($options['results'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'results': {$options['results']}");
}
if (isset($options['start']) && !$between->setMin(1)->setMax(1000)->isValid($options['start'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'start': {$options['start']}");
}
if (isset($options['language'])) {
$this->_validateLanguage($options['language']);
}
$this->_validateInArray('sort', $options['sort'], array('rank', 'date'));
$this->_validateInArray('type', $options['type'], array('all', 'any', 'phrase'));
}
/**
* Validate Page Data Search Options
*
* @param array $options
* @return void
* @throws Zend_Service_Exception
*/
protected function _validatePageDataSearch(array $options)
{
$validOptions = array('appid', 'query', 'results', 'start', 'domain_only');
$this->_compareOptions($options, $validOptions);
/**
* @see Zend_Validate_Between
*/
require_once 'Zend/Validate/Between.php';
$between = new Zend_Validate_Between(1, 100, true);
if (isset($options['results']) && !$between->setMin(1)->setMax(100)->isValid($options['results'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'results': {$options['results']}");
}
if (isset($options['start']) && !$between->setMin(1)->setMax(1000)->isValid($options['start'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'start': {$options['start']}");
}
}
/**
* Validate Video Search Options
*
* @param array $options
* @return void
* @throws Zend_Service_Exception
*/
protected function _validateVideoSearch(array $options)
{
$validOptions = array('appid', 'query', 'type', 'results', 'start', 'format', 'adult_ok');
$this->_compareOptions($options, $validOptions);
if (isset($options['type'])) {
$this->_validateInArray('type', $options['type'], array('all', 'any', 'phrase'));
}
/**
* @see Zend_Validate_Between
*/
require_once 'Zend/Validate/Between.php';
$between = new Zend_Validate_Between(1, 50, true);
if (isset($options['results']) && !$between->setMin(1)->setMax(50)->isValid($options['results'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'results': {$options['results']}");
}
if (isset($options['start']) && !$between->setMin(1)->setMax(1000)->isValid($options['start'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'start': {$options['start']}");
}
if (isset($options['format'])) {
$this->_validateInArray('format', $options['format'], array('any', 'avi', 'flash', 'mpeg', 'msmedia', 'quicktime', 'realmedia'));
}
}
/**
* Validate Web Search Options
*
* @param array $options
* @return void
* @throws Zend_Service_Exception
*/
protected function _validateWebSearch(array $options)
{
$validOptions = array('appid', 'query', 'results', 'start', 'language', 'type', 'format', 'adult_ok',
'similar_ok', 'country', 'site', 'subscription', 'license', 'region');
$this->_compareOptions($options, $validOptions);
/**
* @see Zend_Validate_Between
*/
require_once 'Zend/Validate/Between.php';
$between = new Zend_Validate_Between(1, 100, true);
if (isset($options['results']) && !$between->setMin(1)->setMax(100)->isValid($options['results'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'results': {$options['results']}");
}
if (isset($options['start']) && !$between->setMin(1)->setMax(1000)->isValid($options['start'])) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option 'start': {$options['start']}");
}
if (isset($options['language'])) {
$this->_validateLanguage($options['language']);
}
$this->_validateInArray('type', $options['type'], array('all', 'any', 'phrase'));
$this->_validateInArray('format', $options['format'], array('any', 'html', 'msword', 'pdf', 'ppt', 'rss',
'txt', 'xls'));
$this->_validateInArray('license', $options['license'], array('any', 'cc_any', 'cc_commercial',
'cc_modifiable'));
if (isset($options['region'])){
$this->_validateInArray('region', $options['region'], array('ar', 'au', 'at', 'br', 'ca', 'ct', 'dk', 'fi',
'fr', 'de', 'in', 'id', 'it', 'my', 'mx',
'nl', 'no', 'ph', 'ru', 'sg', 'es', 'se',
'ch', 'th', 'uk', 'us'));
}
}
/**
* Prepare options for sending to Yahoo!
*
* @param string $query Search Query
* @param array $options User specified options
* @param array $defaultOptions Required/Default options
* @return array
*/
protected function _prepareOptions($query, array $options, array $defaultOptions = array())
{
$options['appid'] = $this->appId;
$options['query'] = (string) $query;
return array_merge($defaultOptions, $options);
}
/**
* Throws an exception if the chosen language is not supported
*
* @param string $lang Language code
* @return void
* @throws Zend_Service_Exception
*/
protected function _validateLanguage($lang)
{
$languages = array('ar', 'bg', 'ca', 'szh', 'tzh', 'hr', 'cs', 'da', 'nl', 'en', 'et', 'fi', 'fr', 'de', 'el',
'he', 'hu', 'is', 'id', 'it', 'ja', 'ko', 'lv', 'lt', 'no', 'fa', 'pl', 'pt', 'ro', 'ru', 'sk', 'sr', 'sl',
'es', 'sv', 'th', 'tr'
);
if (!in_array($lang, $languages)) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("The selected language '$lang' is not supported");
}
}
/**
* Utility function to check for a difference between two arrays.
*
* @param array $options User specified options
* @param array $validOptions Valid options
* @return void
* @throws Zend_Service_Exception if difference is found (e.g., unsupported query option)
*/
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: ' . join(', ', $difference));
}
}
/**
* Check that a named value is in the given array
*
* @param string $name Name associated with the value
* @param mixed $value Value
* @param array $array Array in which to check for the value
* @return void
* @throws Zend_Service_Exception
*/
protected function _validateInArray($name, $value, array $array)
{
if (!in_array($value, $array)) {
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception("Invalid value for option '$name': $value");
}
}
/**
* Check if response is an error
*
* @param DOMDocument $dom DOM Object representing the result XML
* @return void
* @throws Zend_Service_Exception Thrown when the result from Yahoo! is an error
*/
protected static function _checkErrors(DOMDocument $dom)
{
$xpath = new DOMXPath($dom);
$xpath->registerNamespace('yapi', 'urn:yahoo:api');
if ($xpath->query('//yapi:Error')->length >= 1) {
$message = $xpath->query('//yapi:Error/yapi:Message/text()')->item(0)->data;
/**
* @see Zend_Service_Exception
*/
require_once 'Zend/Service/Exception.php';
throw new Zend_Service_Exception($message);
}
}
}
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