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<?php
/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved
*
* This source code is licensed under the license found in the
* LICENSE file in the root directory of this source tree.
*
* @package FacebookCommerce
*/
namespace SkyVerge\WooCommerce\Facebook;
defined( 'ABSPATH' ) or exit;
use SkyVerge\WooCommerce\Facebook\API\Orders\Order;
use SkyVerge\WooCommerce\Facebook\API\Request;
use SkyVerge\WooCommerce\Facebook\API\Response;
use SkyVerge\WooCommerce\Facebook\Events\Event;
use SkyVerge\WooCommerce\PluginFramework\v5_10_0 as Framework;
/**
* API handler.
*
* @since 2.0.0
*
* @method API\Request get_request()
*/
class API extends Framework\SV_WC_API_Base {
use API\Traits\Rate_Limited_API;
/** @var string URI used for the request */
protected $request_uri = 'https://graph.facebook.com/v7.0';
/** @var string the configured access token */
protected $access_token;
/**
* Constructor.
*
* @since 2.0.0
*
* @param string $access_token access token to use for API requests
*/
public function __construct( $access_token ) {
$this->access_token = $access_token;
$this->request_headers = [
'Authorization' => "Bearer {$access_token}",
];
$this->set_request_content_type_header( 'application/json' );
$this->set_request_accept_header( 'application/json' );
}
/**
* Gets the access token being used for API requests.
*
* @since 2.1.0
*
* @return string
*/
public function get_access_token() {
return $this->access_token;
}
/**
* Sets the access token to use for API requests.
*
* @since 2.1.0
*
* @param string $access_token access token to set
*/
public function set_access_token( $access_token ) {
$this->access_token = $access_token;
}
/**
* Performs an API request.
*
* @since 2.1.0
*
* @param API\Request $request request object
* @return API\Response
* @throws API\Exceptions\Request_Limit_Reached|Framework\SV_WC_API_Exception
*/
public function perform_request( $request ) {
$rate_limit_id = $request::get_rate_limit_id();
$delay_timestamp = $this->get_rate_limit_delay( $rate_limit_id );
// if there is a delayed timestamp in the future, throw an exception
if ( $delay_timestamp >= time() ) {
$this->handle_throttled_request( $rate_limit_id, $delay_timestamp );
} else {
$this->set_rate_limit_delay( $rate_limit_id, 0 );
}
return parent::perform_request( $request );
}
/**
* Validates a response after it has been parsed and instantiated.
*
* Throws an exception if a rate limit or general API error is included in the response.
*
* @since 2.0.0
*
* @throws Framework\SV_WC_API_Exception
*/
protected function do_post_parse_response_validation() {
/** @var API\Response $response */
$response = $this->get_response();
$request = $this->get_request();
if ( $response && $response->has_api_error() ) {
$code = $response->get_api_error_code();
$message = sprintf( '%s: %s', $response->get_api_error_type(), $response->get_user_error_message() ?: $response->get_api_error_message() );
/**
* Graph API
*
* 4 - API Too Many Calls
* 17 - API User Too Many Calls
* 32 - Page-level throttling
* 613 - Custom-level throttling
*
* Marketing API (Catalog Batch API)
*
* 80004 - There have been too many calls to this ad-account
*
* @link https://developers.facebook.com/docs/graph-api/using-graph-api/error-handling#errorcodes
* @link https://developers.facebook.com/docs/graph-api/using-graph-api/error-handling#rate-limiting-error-codes
* @link https://developers.facebook.com/docs/marketing-api/reference/product-catalog/batch/#validation-rules
*/
if ( in_array( $code, [ 4, 17, 32, 613, 80001, 80004 ], true ) ) {
$delay_in_seconds = $this->calculate_rate_limit_delay( $response, $this->get_response_headers() );
if ( $delay_in_seconds > 0 ) {
$rate_limit_id = $request::get_rate_limit_id();
$timestamp = time() + $delay_in_seconds;
$this->set_rate_limit_delay( $rate_limit_id, $timestamp );
$this->handle_throttled_request( $rate_limit_id, $timestamp );
} else {
throw new API\Exceptions\Request_Limit_Reached( $message, $code );
}
}
/**
* Handle invalid token errors
*
* @link https://developers.facebook.com/docs/graph-api/using-graph-api/error-handling#errorcodes
*/
if ( ( $code >= 200 && $code < 300 ) || in_array( $code, [ 10, 102, 190 ], false ) ) {
set_transient( 'wc_facebook_connection_invalid', time(), DAY_IN_SECONDS );
} else {
// this was an unrelated error, so the OAuth connection may still be valid
delete_transient( 'wc_facebook_connection_invalid' );
}
// if the code indicates a retry and we've not hit the retry limit, perform the request again
if ( in_array( $code, $request->get_retry_codes(), false ) && $request->get_retry_count() < $request->get_retry_limit() ) {
$request->mark_retry();
$this->response = $this->perform_request( $request );
return;
}
throw new Framework\SV_WC_API_Exception( $message, $code );
}
// if we get this far we're connected, so delete any invalid connection flag
delete_transient( 'wc_facebook_connection_invalid' );
}
/**
* Handles a throttled API request.
*
* @since 2.1.0
*
* @param string $rate_limit_id ID for the API request
* @param int $timestamp timestamp until the delay is over
* @throws API\Exceptions\Request_Limit_Reached
*/
private function handle_throttled_request( $rate_limit_id, $timestamp ) {
if ( time() > $timestamp ) {
return;
}
$exception = new API\Exceptions\Request_Limit_Reached( "{$rate_limit_id} requests are currently throttled.", 401 );
$date_time = new \DateTime();
$date_time->setTimestamp( $timestamp );
$exception->set_throttle_end( $date_time );
throw $exception;
}
/**
* Gets the FBE installation IDs.
*
* @since 2.0.0
*
* @param string $external_business_id external business ID
* @return API\FBE\Installation\Read\Response
* @throws Framework\SV_WC_API_Exception
*/
public function get_installation_ids( $external_business_id ) {
$request = new API\FBE\Installation\Read\Request( $external_business_id );
$this->set_response_handler( API\FBE\Installation\Read\Response::class );
return $this->perform_request( $request );
}
/**
* Gets a Page object from Facebook.
*
* @since 2.0.0
*
* @param string $page_id page ID
* @return API\Pages\Read\Response
* @throws Framework\SV_WC_API_Exception
*/
public function get_page( $page_id ) {
$request = new API\Pages\Read\Request( $page_id );
$this->set_response_handler( API\Pages\Read\Response::class );
return $this->perform_request( $request );
}
/**
* Gets a business manager object from Facebook.
*
* @since 2.0.0
*
* @param string $business_manager_id business manager ID
* @return API\Business_Manager\Response
* @throws Framework\SV_WC_API_Exception
*/
public function get_business_manager( $business_manager_id ) {
$request = new API\Business_Manager\Request( $business_manager_id );
$this->set_response_handler( API\Business_Manager\Response::class );
return $this->perform_request( $request );
}
/**
* Gets a Catalog object from Facebook.
*
* @since 2.0.0
*
* @param string $catalog_id catalog ID
* @return API\Catalog\Response
* @throws Framework\SV_WC_API_Exception
*/
public function get_catalog( $catalog_id ) {
$request = new API\Catalog\Request( $catalog_id );
$this->set_response_handler( API\Catalog\Response::class );
return $this->perform_request( $request );
}
/**
* Gets a user object from Facebook.
*
* @since 2.0.0
*
* @param string $user_id user ID. Defaults to the currently authenticated user
* @return API\User\Response
* @throws Framework\SV_WC_API_Exception
*/
public function get_user( $user_id = '' ) {
$request = new API\User\Request( $user_id );
$this->set_response_handler( API\User\Response::class );
return $this->perform_request( $request );
}
/**
* Delete's a user's API permission.
*
* This is their form of "revoke".
*
* @since 2.0.0
*
* @param string $user_id user ID. Defaults to the currently authenticated user
* @param string $permission permission to delete
* @return API\User\Response
* @throws Framework\SV_WC_API_Exception
*/
public function delete_user_permission( $user_id, $permission ) {
$request = new API\User\Permissions\Delete\Request( $user_id, $permission );
$this->set_response_handler( API\User\Response::class );
return $this->perform_request( $request );
}
/**
* Gets the business configuration.
*
* @since 2.0.0
*
* @param string $external_business_id external business ID
* @return API\FBE\Configuration\Read\Response
* @throws Framework\SV_WC_API_Exception
*/
public function get_business_configuration( $external_business_id ) {
$request = new API\FBE\Configuration\Request( $external_business_id, 'GET' );
$this->set_response_handler( API\FBE\Configuration\Read\Response::class );
return $this->perform_request( $request );
}
/**
* Updates the messenger configuration.
*
* @since 2.0.0
*
* @param string $external_business_id external business ID
* @param API\FBE\Configuration\Messenger $configuration messenger configuration
* @return Response
* @throws Framework\SV_WC_API_Exception
*/
public function update_messenger_configuration( $external_business_id, API\FBE\Configuration\Messenger $configuration ) {
$request = new API\FBE\Configuration\Update\Request( $external_business_id );
$request->set_messenger_configuration( $configuration );
$this->set_response_handler( API\Response::class );
return $this->perform_request( $request );
}
/**
* Uses the Catalog Batch API to update or remove items from catalog.
*
* @see Sync::create_or_update_products()
*
* @since 2.0.0
*
* @param string $catalog_id catalog ID
* @param array $requests array of prefixed product IDs to create, update or remove
* @param bool $allow_upsert whether to allow updates to insert new items
* @return \SkyVerge\WooCommerce\Facebook\API\Catalog\Send_Item_Updates\Response
* @throws Framework\SV_WC_API_Exception
*/
public function send_item_updates( $catalog_id, $requests, $allow_upsert ) {
$request = new \SkyVerge\WooCommerce\Facebook\API\Catalog\Send_Item_Updates\Request( $catalog_id );
$request->set_requests( $requests );
$request->set_allow_upsert( $allow_upsert );
$this->set_response_handler( \SkyVerge\WooCommerce\Facebook\API\Catalog\Send_Item_Updates\Response::class );
return $this->perform_request( $request );
}
/**
* Creates a Product Group object.
*
* @since 2.0.0
*
* @param string $catalog_id catalog ID
* @param array $data product group data
* @return Response
* @throws Framework\SV_WC_API_Exception
*/
public function create_product_group( $catalog_id, $data ) {
$request = $this->get_new_request( [
'path' => "/{$catalog_id}/product_groups",
'method' => 'POST',
] );
$request->set_data( $data );
$this->set_response_handler( Response::class );
return $this->perform_request( $request );
}
/**
* Updates the default product item and the available variation attributes of a product group.
*
* @since 2.0.0
*
* @param string $product_group_id product group ID
* @param array $data product group data
* @return Response
* @throws Framework\SV_WC_API_Exception
*/
public function update_product_group( $product_group_id, $data ) {
$request = $this->get_new_request( [
'path' => "/{$product_group_id}",
'method' => 'POST',
] );
$request->set_data( $data );
$this->set_response_handler( Response::class );
return $this->perform_request( $request );
}
/**
* Deletes a Product Group object.
*
* @since 2.0.0
*
* @param string $product_group_id
* @return Response
* @throws Framework\SV_WC_API_Exception
*/
public function delete_product_group( $product_group_id ) {
$request = $this->get_new_request( [
'path' => "/{$product_group_id}",
'method' => 'DELETE',
] );
$this->set_response_handler( Response::class );
return $this->perform_request( $request );
}
/**
* Gets a list of Product Items in the given Product Group.
*
* @since 2.0.0
*
* @param string $product_group_id product group ID
* @param int $limit max number of results returned per page of data
* @return API\Catalog\Product_Group\Products\Read\Response
* @throws Framework\SV_WC_API_Exception
*/
public function get_product_group_products( $product_group_id, $limit = 1000 ) {
$request = new API\Catalog\Product_Group\Products\Read\Request( $product_group_id, $limit );
$this->set_response_handler( API\Catalog\Product_Group\Products\Read\Response::class );
return $this->perform_request( $request );
}
/**
* Finds a Product Item using the Catalog ID and the Retailer ID of the product or product variation.
*
* @since 2.0.0
*
* @param string $catalog_id catalog ID
* @param string $retailer_id retailer ID of the product
* @return Response
* @throws Framework\SV_WC_API_Exception
*/
public function find_product_item( $catalog_id, $retailer_id ) {
$request = new \SkyVerge\WooCommerce\Facebook\API\Catalog\Product_Item\Find\Request( $catalog_id, $retailer_id );
$this->set_response_handler( \SkyVerge\WooCommerce\Facebook\API\Catalog\Product_Item\Response::class );
return $this->perform_request( $request );
}
/**
* Creates a Product Item object.
*
* @since 2.0.0
*
* @param string $product_group_id parent product ID
* @param array $data product data
* @return Response
* @throws Framework\SV_WC_API_Exception
*/
public function create_product_item( $product_group_id, $data ) {
$request = $this->get_new_request( [
'path' => "/{$product_group_id}/products",
'method' => 'POST',
] );
$request->set_data( $data );
$this->set_response_handler( Response::class );
return $this->perform_request( $request );
}
/**
* Updates a Product Item object.
*
* @since 2.0.0
*
* @param string $product_item_id product item ID
* @param array $data product data
* @return Response
* @throws Framework\SV_WC_API_Exception
*/
public function update_product_item( $product_item_id, $data ) {
$request = $this->get_new_request( [
'path' => "/{$product_item_id}",
'method' => 'POST',
] );
$request->set_data( $data );
$this->set_response_handler( Response::class );
return $this->perform_request( $request );
}
/**
* Deletes a Product Item object.
*
* @since 2.0.0
*
* @param string $product_item_id product item ID
* @return Response
* @throws Framework\SV_WC_API_Exception
*/
public function delete_product_item( $product_item_id ) {
$request = $this->get_new_request( [
'path' => "/{$product_item_id}",
'method' => 'DELETE',
] );
$this->set_response_handler( Response::class );
return $this->perform_request( $request );
}
/**
* Sends Pixel events.
*
* @since 2.0.0
*
* @param string $pixel_id pixel ID
* @param Event[] $events events to send
* @return Response
* @throws Framework\SV_WC_API_Exception
*/
public function send_pixel_events( $pixel_id, array $events ) {
$request = new API\Pixel\Events\Request( $pixel_id, $events );
$this->set_response_handler( Response::class );
return $this->perform_request( $request );
}
/**
* Gets the next page of results for a paginated response.
*
* @since 2.0.0
*
* @param API\Response $response previous response object
* @param int $additional_pages number of additional pages of results to retrieve
* @return API\Response|null
* @throws Framework\SV_WC_API_Exception
*/
public function next( API\Response $response, $additional_pages = null ) {
$next_response = null;
// get the next page if we haven't reached the limit of pages to retrieve and the endpoint for the next page is available
if ( ( null === $additional_pages || $response->get_pages_retrieved() <= $additional_pages ) && $response->get_next_page_endpoint() ) {
$components = parse_url( str_replace( $this->request_uri, '', $response->get_next_page_endpoint() ) );
$request = $this->get_new_request( [
'path' => isset( $components['path'] ) ? $components['path'] : '',
'method' => 'GET',
'params' => isset( $components['query'] ) ? wp_parse_args( $components['query'] ) : [],
] );
$this->set_response_handler( get_class( $response ) );
$next_response = $this->perform_request( $request );
// this is the n + 1 page of results for the original response
$next_response->set_pages_retrieved( $response->get_pages_retrieved() + 1 );
}
return $next_response;
}
/**
* Gets all new orders.
*
* @since 2.1.0
*
* @param string $page_id page ID
* @return API\Orders\Response
* @throws Framework\SV_WC_API_Exception
*/
public function get_new_orders( $page_id ) {
$request_args = [
'state' => [
Order::STATUS_PROCESSING,
Order::STATUS_CREATED,
]
];
$request = new API\Orders\Request( $page_id, $request_args );
$this->set_response_handler( API\Orders\Response::class );
return $this->perform_request( $request );
}
/**
* Gets the latest cancelled orders.
*
* @since 2.1.0
*
* @param string $page_id page ID
* @return API\Orders\Response
* @throws Framework\SV_WC_API_Exception
*/
public function get_cancelled_orders( $page_id ) {
$request_args = [
'state' => [
Order::STATUS_COMPLETED,
],
'updated_after' => time() - facebook_for_woocommerce()->get_commerce_handler()->get_orders_handler()->get_order_update_interval(),
'filters' => 'has_cancellations',
];
$request = new API\Orders\Request( $page_id, $request_args );
$this->set_response_handler( API\Orders\Response::class );
return $this->perform_request( $request );
}
/**
* Gets a single order based on its remote ID.
*
* @since 2.1.0
*
* @param string $remote_id remote order ID
* @return API\Orders\Read\Response
* @throws Framework\SV_WC_API_Exception
*/
public function get_order( $remote_id ) {
$request = new API\Orders\Read\Request( $remote_id );
$this->set_response_handler( API\Orders\Read\Response::class );
return $this->perform_request( $request );
}
/**
* Acknowledges the given order.
*
* @since 2.1.0
*
* @param string $remote_id remote order ID
* @param string $merchant_order_reference WC order ID
* @return API\Response
* @throws Framework\SV_WC_API_Exception
*/
public function acknowledge_order( $remote_id, $merchant_order_reference ) {
$request = new API\Orders\Acknowledge\Request( $remote_id, $merchant_order_reference );
$this->set_response_handler( API\Response::class );
return $this->perform_request( $request );
}
/**
* Issues a fulfillment request for the given order.
*
* @see https://developers.facebook.com/docs/commerce-platform/order-management/fulfillment-api#attach_shipment
*
* @since 2.1.0
*
* @param string $remote_id remote order ID
* @param array $fulfillment_data fulfillment data to be sent on the request
* @return API\Response
* @throws Framework\SV_WC_API_Exception
*/
public function fulfill_order( $remote_id, $fulfillment_data ) {
$request = new API\Orders\Fulfillment\Request( $remote_id, $fulfillment_data );
$this->set_response_handler( API\Response::class );
return $this->perform_request( $request );
}
/**
* Cancels the given order.
*
* @since 2.1.0
*
* @param string $remote_id remote order ID
* @param string $reason cancellation reason
* @param bool $restock_items whether to restock items remotely
* @return API\Response
* @throws Framework\SV_WC_API_Exception
*/
public function cancel_order( $remote_id, $reason, $restock_items = true ) {
$request = new API\Orders\Cancel\Request( $remote_id, $reason, $restock_items );
$this->set_response_handler( API\Response::class );
return $this->perform_request( $request );
}
/**
* Issues a refund request for the given order.
*
* @see https://developers.facebook.com/docs/commerce-platform/order-management/cancellation-refund-api#refund_order
*
* @since 2.1.0
*
* @param string $remote_id remote order ID
* @param array $refund_data refund data to be sent on the request
* @return API\Response
* @throws Framework\SV_WC_API_Exception
*/
public function add_order_refund( $remote_id, $refund_data ) {
$request = new API\Orders\Refund\Request( $remote_id, $refund_data );
$this->set_response_handler( API\Response::class );
return $this->perform_request( $request );
}
/**
* Returns a new request object.
*
* @since 2.0.0
*
* @param array $args {
* Optional. An array of request arguments.
*
* @type string $path request path
* @type string $method request method
* @type array $params request parameters
* }
* @return Request
*/
protected function get_new_request( $args = [] ) {
$defaults = [
'path' => '/',
'method' => 'GET',
'params' => [],
];
$args = wp_parse_args( $args, $defaults );
$request = new Request( $args['path'], $args['method'] );
if ( $args['params'] ) {
$request->set_params( $args['params'] );
}
return $request;
}
/**
* Returns the plugin class instance associated with this API.
*
* @since 2.0.0
*
* @return \WC_Facebookcommerce
*/
protected function get_plugin() {
return facebook_for_woocommerce();
}
}