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<?php
namespace Code_Snippets\Client;
use Code_Snippets\Model\Basic_Cloud_Connection;
use Code_Snippets\Model\Cloud_Snippet;
use Code_Snippets\Model\Cloud_Snippets;
use WP_REST_Request;
use function Code_Snippets\Utils\unpack_response_body;
/**
* Client for fetching public data from Code Snippets Cloud.
*
* @package Code_Snippets
*/
class Cloud_Public_Client {
/**
* Request timeout, in seconds, for the cloud search endpoint. Higher than WordPress's 5s
* default because search can be slow on a cold cache and would otherwise time out.
*/
private const SEARCH_REQUEST_TIMEOUT = 15;
/**
* Maximum number of cloud search results allowed per page.
*/
public const MAX_RESULTS_PER_PAGE = 100;
/**
* Connection to Code Snippets Cloud.
*
* @var Basic_Cloud_Connection
*/
private Basic_Cloud_Connection $connection;
/**
* Class constructor.
*
* @param Basic_Cloud_Connection $connection Connection to Code Snippets Cloud.
*/
public function __construct( Basic_Cloud_Connection $connection ) {
$this->connection = $connection;
}
/**
* Verify a REST API request is authorised to access controller functions.
*
* @param WP_REST_Request $request The REST API request.
*
* @return bool
*/
public function verify_rest_request( WP_REST_Request $request ): bool {
return $this->connection->verify_rest_request( $request );
}
/**
* Search Code Snippets Cloud.
*
* @param string $search_method Search by name of codevault or keyword(s).
* @param string $search Search query.
* @param int $page Search result page to retrieve. Defaults to '1'.
* @param int $per_page Number of search results to retrieve per page.
* @param array<string,string> $filters Optional filters: category, type, status.
*
* @return Cloud_Snippets Result of search query.
*/
public function fetch_search_results( string $search_method, string $search, int $page, int $per_page, array $filters ): ?Cloud_Snippets {
$params = [
's_method' => $search_method,
's' => $search,
'page' => max( 0, $page - 1 ),
'per_page' => max( 1, $per_page ),
'site_token' => $this->connection->get_local_token(),
'site_host' => wp_parse_url( get_site_url(), PHP_URL_HOST ),
];
foreach ( [ 'category', 'type', 'status' ] as $key ) {
if ( ! empty( $filters[ $key ] ) ) {
$params[ $key ] = $filters[ $key ];
}
}
$response = wp_remote_get(
add_query_arg( $params, sprintf( '%s/public/search', $this->connection->get_api_url() ) ),
// The search endpoint can be slow on a cold cache; allow more time than WordPress's
// default 5s request timeout so the request is not cut short and returned as empty.
[ 'timeout' => self::SEARCH_REQUEST_TIMEOUT ]
);
return Cloud_Snippets::unpack_api_response( unpack_response_body( $response ), $page );
}
/**
* Retrieve a single cloud snippet from the API.
*
* @param int $cloud_id Remote cloud snippet ID.
*
* @return Cloud_Snippet Retrieved snippet.
*/
public function get_cloud_snippet( int $cloud_id ): ?Cloud_Snippet {
$response = wp_remote_get(
sprintf( '%s/public/getsnippet/%s', $this->connection->get_api_url(), $cloud_id )
);
$data = unpack_response_body( $response );
if ( ! is_array( $data ) || empty( $data['success'] ) || ! is_array( $data['snippet'] ?? null ) ) {
return null;
}
return new Cloud_Snippet( $data['snippet'] );
}
/**
* Get the current revision of a single cloud snippet.
*
* @param string $cloud_id Cloud snippet ID.
*
* @return string|null Revision number on success, null otherwise.
*/
public function get_cloud_snippet_revision( string $cloud_id ): ?string {
$response = wp_remote_get(
sprintf( '%s/public/getsnippetrevision/%s', $this->connection->get_api_url(), $cloud_id )
);
$body = unpack_response_body( $response );
return $body['snippet_revision'] ?? null;
}
/**
* Retrieve featured snippets from the cloud API, with transient caching.
*
* @param int $page Page number (1-indexed).
* @param int $per_page Results per page.
* @param array<string,string> $filters Optional filters: category, type, status.
*
* @return Cloud_Snippets|null Featured snippets, or an null on failure.
*/
public function get_featured_snippets( int $page, int $per_page, array $filters ): ?Cloud_Snippets {
$params = [
'page' => max( 0, $page - 1 ),
'per_page' => min( self::MAX_RESULTS_PER_PAGE, max( 1, $per_page ) ),
];
foreach ( [ 'category', 'type', 'status' ] as $key ) {
if ( ! empty( $filters[ $key ] ) ) {
$params[ $key ] = $filters[ $key ];
}
}
$response = wp_remote_get(
add_query_arg( $params, sprintf( '%s/public/featured', $this->connection->get_api_url() ) ),
[ 'headers' => $this->connection->get_request_headers() ]
);
return Cloud_Snippets::unpack_api_response( unpack_response_body( $response ), $page );
}
}