| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* Reports a classified push-session failure. |
| 5 |
* |
| 6 |
* PHP reserves Throwable::getCode() for an integer. Push and commit failures use |
| 7 |
* stable, descriptive strings because the endpoint returns the same value in |
| 8 |
* its JSON `reason` field. Keeping that classification in a separate property |
| 9 |
* also prevents an unrelated RuntimeException with a coincidentally equal |
| 10 |
* native code from being presented as a recoverable protocol condition. |
| 11 |
* |
| 12 |
* Only failures which have a deliberate push or commit classification use this |
| 13 |
* exception. An ordinary RuntimeException remains unclassified and follows the |
| 14 |
* endpoint's `invalid_request` handling rather than leaking an accidental code. |
| 15 |
*/ |
| 16 |
final class Site_Export_Push_Exception extends RuntimeException { |
| 17 |
|
| 18 |
/** |
| 19 |
* Stable machine-readable classification selected by the throwing class. |
| 20 |
* |
| 21 |
* This is distinct from the human-readable exception message. Endpoint |
| 22 |
* code uses it to select an HTTP status and copies it unchanged into the |
| 23 |
* authenticated response's `reason` field. |
| 24 |
* |
| 25 |
* @var string |
| 26 |
*/ |
| 27 |
private $error_code; |
| 28 |
|
| 29 |
/** |
| 30 |
* Structured observations which describe the failure. |
| 31 |
* |
| 32 |
* These values are deliberately separate from the message so commit can |
| 33 |
* persist non-recoverable failure details and callers can inspect them |
| 34 |
* without parsing prose. An HTTP endpoint must choose its public fields |
| 35 |
* explicitly; exception context is not a response schema. |
| 36 |
* |
| 37 |
* @var array<string,mixed> |
| 38 |
*/ |
| 39 |
private $context; |
| 40 |
|
| 41 |
/** |
| 42 |
* Creates a push or commit failure with separate machine and human context. |
| 43 |
* |
| 44 |
* The machine-readable value comes first so a throw site names its recovery |
| 45 |
* class before giving instance-specific detail. It is retrieved with |
| 46 |
* get_error_code(), never Throwable::getCode(). |
| 47 |
* |
| 48 |
* @param string $error_code Stable machine-readable push or commit reason. |
| 49 |
* @param string $message Human-readable statement of the violated condition. |
| 50 |
* @param array<string,mixed> $context Structured observations. Common keys |
| 51 |
* are operation, path_b64, conflict_path_b64, |
| 52 |
* expected_docroot_types, observed_docroot_identity, work_device, |
| 53 |
* docroot_device, work_type, blocking_push_session_id, and |
| 54 |
* observed_request_body_bytes. |
| 55 |
*/ |
| 56 |
public function __construct(string $error_code, string $message, array $context = []) { |
| 57 |
parent::__construct($message); |
| 58 |
$this->error_code = $error_code; |
| 59 |
$this->context = $context; |
| 60 |
} |
| 61 |
|
| 62 |
/** |
| 63 |
* Returns the stable reason used to classify this push or commit failure. |
| 64 |
* |
| 65 |
* @return string Machine-readable error code suitable for a JSON `reason`. |
| 66 |
*/ |
| 67 |
public function get_error_code(): string { |
| 68 |
return $this->error_code; |
| 69 |
} |
| 70 |
|
| 71 |
/** |
| 72 |
* Returns structured observations recorded by the throw site. |
| 73 |
* |
| 74 |
* The array contains only values supplied by push or commit throw sites. It |
| 75 |
* may be empty for simple classified failures, but when present it names |
| 76 |
* the exact observed condition that made the request non-recoverable or |
| 77 |
* recoverable. |
| 78 |
* |
| 79 |
* @return array<string,mixed> Structured observations. Common keys are |
| 80 |
* operation, path_b64, conflict_path_b64, expected_docroot_types, |
| 81 |
* observed_docroot_identity, work_device, docroot_device, work_type, |
| 82 |
* blocking_push_session_id, and observed_request_body_bytes. |
| 83 |
*/ |
| 84 |
public function get_context(): array { |
| 85 |
return $this->context; |
| 86 |
} |
| 87 |
} |
| 88 |
|