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<?php |
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namespace FluentBooking\App\Modules\MCP\Support; |
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use FluentBooking\Framework\Support\Arr; |
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|
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defined('ABSPATH') || exit; |
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|
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/** |
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* Dispatches an MCP config write (event types, availability schedules) through |
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* the same fluent-booking/v2 routes the admin SPA calls, so the policies and |
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* validation rules run unchanged instead of being duplicated here. |
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* |
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* Reads don't go through here: admin responses carry UI scaffolding an agent |
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* doesn't need, so reads use hand-built projections. |
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* |
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* @since 2.2.6 |
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*/ |
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class RestBridge |
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{ |
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const NAMESPACE_PATH = '/fluent-booking/v2'; |
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|
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/** |
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* @param string $method GET|POST|PUT|DELETE |
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* @param string $route Path after the namespace, e.g. '/availability/3'. |
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* @param array $body Request parameters. |
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* |
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* @return array|\WP_Error The response data, or the failure translated into |
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* an MCP error the agent can act on. |
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*/ |
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public static function call($method, $route, $body = []) |
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{ |
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// Controller::validate() only re-throws its ValidationException when |
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// REST_REQUEST is set. Without it the controller runs on with invalid |
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// data, so refuse rather than write unvalidated input. |
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if (!defined('REST_REQUEST') || !REST_REQUEST) { |
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return MCPHelper::error( |
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'not_a_rest_request', |
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__('Configuration writes are only available over the REST transport, because that is where validation runs.', 'fluent-booking') |
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); |
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} |
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|
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$request = new \WP_REST_Request($method, self::NAMESPACE_PATH . $route); |
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|
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foreach ($body as $key => $value) { |
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$request->set_param($key, $value); |
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} |
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|
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// A JSON body keeps nested arrays (weekly schedules, booking fields) |
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// intact; a form-encoded body would flatten them. |
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if ($method !== 'GET') { |
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$request->set_header('content-type', 'application/json'); |
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$request->set_body(wp_json_encode($body)); |
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} |
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|
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$response = rest_do_request($request); |
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|
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if ($response->is_error()) { |
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return self::translateError($response); |
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} |
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|
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return (array) $response->get_data(); |
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} |
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|
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/** |
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* Turn a REST failure into an MCP error carrying the message the admin UI |
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* would have shown. |
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* |
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* @return \WP_Error |
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*/ |
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private static function translateError($response) |
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{ |
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$status = $response->get_status(); |
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$data = (array) $response->get_data(); |
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|
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// Three payload shapes arrive here: |
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// {message, errors} Controller::sendError() |
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// {code, message, data} a WP_Error, e.g. from a policy |
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// {field: {rule: message}} a 422 from the framework's validator |
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// WP_Error::as_error() only handles the second, so read the payload directly. |
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$message = (string) Arr::get($data, 'message', ''); |
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$fieldErrors = self::flattenFieldErrors($data); |
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|
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if (!$message && $fieldErrors) { |
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// The field reasons let the agent fix its call in one step. |
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$message = implode(' ', array_values($fieldErrors)); |
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} |
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|
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if (!$message) { |
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$message = __('The request could not be completed.', 'fluent-booking'); |
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} |
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|
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if ($status === 401 || $status === 403) { |
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return MCPHelper::error('permission_denied', $message); |
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} |
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|
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if ($status === 404) { |
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return MCPHelper::error('not_found', $message); |
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} |
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|
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return MCPHelper::error( |
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$status === 422 ? 'validation_failed' : 'request_failed', |
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$message, |
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$fieldErrors ? ['field_errors' => $fieldErrors] : [] |
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); |
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} |
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|
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/** |
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* Reduce whichever error shape arrived to `field => message`. |
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* |
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* @param array $data |
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* |
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* @return array |
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*/ |
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private static function flattenFieldErrors($data) |
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{ |
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$errors = Arr::get($data, 'errors'); |
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|
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if (!is_array($errors)) { |
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// A bare validator payload: every key except these is a field. |
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$errors = $data; |
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unset($errors['message'], $errors['code'], $errors['data']); |
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} |
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|
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$flat = []; |
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|
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foreach ((array) $errors as $field => $messages) { |
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if (is_string($messages)) { |
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$flat[$field] = $messages; |
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continue; |
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} |
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|
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if (is_array($messages)) { |
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$first = reset($messages); |
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|
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if (is_string($first)) { |
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$flat[$field] = $first; |
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} |
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} |
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} |
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|
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return $flat; |
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} |
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} |
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|
