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<?php
/**
* @file
* This file contains no working PHP code; it exists to provide additional
* documentation for doxygen as well as to document hooks in the standard
* Drupal manner.
*/
/**
* @defgroup restws RestWS module integrations.
*
* Module integrations with the restws module.
*/
/**
* @defgroup restws_hooks RestWS' hooks
* @{
* Hooks that can be implemented by other modules in order to extend restws.
*/
/**
* Define restws compatible resources.
*
* This hook is required in order to add new restws resources.
*
* @return array
* An array of information about the module's provided resources.
* The array contains a sub-array for each resource, with the resource name as
* the key. Resource names may only contain lowercase alpha-numeric characters
* and underscores and should be prefixed with the providing module name.
* Possible attributes for each sub-array are:
* - label: The label of the resource. Start capitalized.
* - class: The name of the controller class for the resource. The class has
* to implement the RestWSResourceControllerInterface. Required.
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* - menu_path: A relative path were the resource callback should lie. By
* default the resource name will be used as menu path. Optional.
*
* @see MyModuleBookResourceController
*/
function hook_restws_resource_info() {
return array(
'mymodule_book' => array(
'label' => t('Book'),
'class' => 'MyModuleBookResourceController',
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'menu_path' => 'api/mybook',
),
'mymodule_status' => array(
'label' => t('Status'),
'class' => 'MyModuleStatusResourceController',
),
);
}
/**
* Alter available resource information.
*
* @param array $resource_info
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* Resource information as defined in hook_restws_resource_info(). You can
* move the path of a resouce by setting menu_info. In this example you'll
* have to retrieve nodes from /mypath.json or /mypath/1.json.
*
* @see hook_restws_resource_info()
*/
function hook_restws_resource_info_alter(&$resource_info) {
$resource_info['node']['class'] = 'MySpecialNodeResourceController';
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$resource_info['node']['menu_path'] = 'mypath';
/**
* Define restws compatible formats.
*
* This hook is required in order to add new restws formats.
*
* @return array
* An array of information about the module's provided formats.
* The array contains a sub-array for each format, with the format name as
* the key. Format names may only contain lowercase alpha-numeric characters
* and underscores.
* Possible attributes for each sub-array are:
* - label: The label of the format. Start capitalized.
* - class: The name of the class for the format. The class has to implement
* the RestWSFormatInterface. Required.
* - mime type: The official internet media type (MIME type) of the format.
* Required.
*/
return array(
'json' => array(
'label' => t('JSON'),
'class' => 'RestWSFormatJSON',
'mime type' => 'application/json',
),
'xml' => array(
'label' => t('XML'),
'class' => 'RestWSFormatXML',
'mime type' => 'application/xml',
),
);
}
/**
* Alter available format information.
*
* @param array $format_info
* Format information as defined in hook_restws_format_info()
*
* @see hook_restws_format_info()
*/
function hook_restws_format_info_alter(&$format_info) {
$format_info['json']['class'] = 'MyJsonFormatHandler';
}
/**
* Alter the incoming request array.
*
* @param array $request
* A request array that contains the following items:
* - op: operation string, one of create, read, update or delete.
* - format: object implementing RestWSFormatInterface.
* - resource: object implementing RestWSResourceControllerInterface.
* - id: resource identifier or NULL for the create operation.
* - payload: array containing data attached to this request, if any.
*/
function hook_restws_request_alter(array &$request) {
if ($request['resource']->resource() == 'node') {
$request['format'] = restws_format('json');
}
}
/**
* Alter the outgoing response.
*
* @param mixed $response
* The response data being returned by the REST service (not yet serialized).
* @param string $function
* The function being called on the REST service.
* @param string $format
* The name of the format serializing the response.
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* @param RestWSResourceControllerInterface $resourceController
* The resource controller.
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function hook_restws_response_alter(&$response, $function, $formatName, $resourceController) {
if ($function == 'viewResource' && $formatName == 'json') {
$response['site_name'] = variable_get('site_name', '');
}
}
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/**
* Alter the list of allowed meta controls.
*
* @param array $controls
* A list of allowed meta controlers
*/
function hook_restws_meta_controls_alter(&$controls) {
$controls['deep-load-refs'] = 'deep-load-refs';
}
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/**
* @}
*/
/**
* Example controller class for the mymodule_book resource.
*/
class MyModuleBookResourceController implements RestWSResourceControllerInterface {
/**
* @see hook_entity_property_info()
* @see RestWSResourceControllerInterface::propertyInfo()
*/
public function propertyInfo() {
return array(
'properties' => array(
'title' => array(
'type' => 'text',
'label' => t('Book title'),
'setter callback' => 'entity_property_verbatim_set',
),
'author' => array(
'type' => 'text',
'label' => t('Author'),
'setter callback' => 'entity_property_verbatim_set',
),
'pages' => array(
'type' => 'integer',
'label' => t('Number of pages'),
'setter callback' => 'entity_property_verbatim_set',
),
'price' => array(
'type' => 'decimal',
'label' => t('Price'),
'setter callback' => 'entity_property_verbatim_set',
),
),
);
}
/**
* @see RestWSResourceControllerInterface::wrapper()
*/
public function wrapper($id) {
$book = mymodule_book_load($id);
$info = $this->propertyInfo();
return entity_metadata_wrapper('mymodule_book', $book, array('property info' => $info['properties']));
}
/**
* @see RestWSResourceControllerInterface::create()
*/
public function create(array $values) {
try {
$book = mymodule_book_save($values);
return $book->id;
}
catch (Exception $e) {
throw new RestWSException('Creation error', 406);
}
}
/**
* @see RestWSResourceControllerInterface::read()
*/
public function read($id) {
return mymodule_book_load($id);
}
/**
* @see RestWSResourceControllerInterface::update()
*/
public function update($id, array $values) {
throw new RestWSException('Not implemented', 501);
}
/**
* @see RestWSResourceControllerInterface::delete()
*/
public function delete($id) {
try {
mymodule_book_delete($id);
}
catch (Exception $e) {
throw new RestWSException('Book not found', 404);
}
}
/**
* @see RestWSResourceControllerInterface::access()
*/
public function access($op, $id) {
return mymodule_book_access($op, $id);
}
/**
* @see RestWSResourceControllerInterface::resource()
*/
public function resource() {
return 'mymodule_book';
}