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ApiResource.php
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Sat, Jan 18, 19:45

ApiResource.php
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<?php
abstract class Stripe_ApiResource extends Stripe_Object
{
protected static function _scopedRetrieve($class, $id, $apiKey=null)
{
$instance = new $class($id, $apiKey);
$instance->refresh();
return $instance;
}
/**
* @returns Stripe_ApiResource The refreshed resource.
*/
public function refresh()
{
$requestor = new Stripe_ApiRequestor($this->_apiKey);
$url = $this->instanceUrl();
list($response, $apiKey) = $requestor->request(
'get',
$url,
$this->_retrieveOptions
);
$this->refreshFrom($response, $apiKey);
return $this;
}
/**
* @param string $class
*
* @returns string The name of the class, with namespacing and underscores
* stripped.
*/
public static function className($class)
{
// Useful for namespaces: Foo\Stripe_Charge
if ($postfixNamespaces = strrchr($class, '\\')) {
$class = substr($postfixNamespaces, 1);
}
// Useful for underscored 'namespaces': Foo_Stripe_Charge
if ($postfixFakeNamespaces = strrchr($class, 'Stripe_')) {
$class = $postfixFakeNamespaces;
}
if (substr($class, 0, strlen('Stripe')) == 'Stripe') {
$class = substr($class, strlen('Stripe'));
}
$class = str_replace('_', '', $class);
$name = urlencode($class);
$name = strtolower($name);
return $name;
}
/**
* @param string $class
*
* @returns string The endpoint URL for the given class.
*/
public static function classUrl($class)
{
$base = self::_scopedLsb($class, 'className', $class);
return "/v1/${base}s";
}
/**
* @returns string The full API URL for this API resource.
*/
public function instanceUrl()
{
$id = $this['id'];
$class = get_class($this);
if ($id === null) {
$message = "Could not determine which URL to request: "
. "$class instance has invalid ID: $id";
throw new Stripe_InvalidRequestError($message, null);
}
$id = Stripe_ApiRequestor::utf8($id);
$base = $this->_lsb('classUrl', $class);
$extn = urlencode($id);
return "$base/$extn";
}
private static function _validateCall($method, $params=null, $apiKey=null)
{
if ($params && !is_array($params)) {
$message = "You must pass an array as the first argument to Stripe API "
. "method calls. (HINT: an example call to create a charge "
. "would be: \"StripeCharge::create(array('amount' => 100, "
. "'currency' => 'usd', 'card' => array('number' => "
. "4242424242424242, 'exp_month' => 5, 'exp_year' => 2015)))\")";
throw new Stripe_Error($message);
}
if ($apiKey && !is_string($apiKey)) {
$message = 'The second argument to Stripe API method calls is an '
. 'optional per-request apiKey, which must be a string. '
. '(HINT: you can set a global apiKey by '
. '"Stripe::setApiKey(<apiKey>)")';
throw new Stripe_Error($message);
}
}
protected static function _scopedAll($class, $params=null, $apiKey=null)
{
self::_validateCall('all', $params, $apiKey);
$requestor = new Stripe_ApiRequestor($apiKey);
$url = self::_scopedLsb($class, 'classUrl', $class);
list($response, $apiKey) = $requestor->request('get', $url, $params);
return Stripe_Util::convertToStripeObject($response, $apiKey);
}
protected static function _scopedCreate($class, $params=null, $apiKey=null)
{
self::_validateCall('create', $params, $apiKey);
$requestor = new Stripe_ApiRequestor($apiKey);
$url = self::_scopedLsb($class, 'classUrl', $class);
list($response, $apiKey) = $requestor->request('post', $url, $params);
return Stripe_Util::convertToStripeObject($response, $apiKey);
}
protected function _scopedSave($class, $apiKey=null)
{
self::_validateCall('save');
$requestor = new Stripe_ApiRequestor($apiKey);
$params = $this->serializeParameters();
if (count($params) > 0) {
$url = $this->instanceUrl();
list($response, $apiKey) = $requestor->request('post', $url, $params);
$this->refreshFrom($response, $apiKey);
}
return $this;
}
protected function _scopedDelete($class, $params=null)
{
self::_validateCall('delete');
$requestor = new Stripe_ApiRequestor($this->_apiKey);
$url = $this->instanceUrl();
list($response, $apiKey) = $requestor->request('delete', $url, $params);
$this->refreshFrom($response, $apiKey);
return $this;
}
}

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