document web crate

src/web/error.rs

@@ -3,30 +3,37 @@ use hyper::StatusCode;
 
 use garage_util::error::Error as GarageError;
 
+/// Errors of this crate
 #[derive(Debug, Error)]
 pub enum Error {
+	/// An error received from the API crate
 	#[error(display = "API error: {}", _0)]
 	ApiError(#[error(source)] garage_api::error::Error),
 
 	// Category: internal error
+	/// Error internal to garage
 	#[error(display = "Internal error: {}", _0)]
 	InternalError(#[error(source)] GarageError),
 
+	/// The file does not exist
 	#[error(display = "Not found")]
 	NotFound,
 
-	// Category: bad request
+	/// The client requested a malformed path
 	#[error(display = "Invalid UTF-8: {}", _0)]
 	InvalidUTF8(#[error(source)] std::str::Utf8Error),
 
+	/// The client send a header with invalid value
 	#[error(display = "Invalid header value: {}", _0)]
 	InvalidHeader(#[error(source)] hyper::header::ToStrError),
 
+	/// The client sent a request without host, or with unsupported method
 	#[error(display = "Bad request: {}", _0)]
 	BadRequest(String),
 }
 
 impl Error {
+	/// Transform errors into http status code
 	pub fn http_status_code(&self) -> StatusCode {
 		match self {
 			Error::NotFound => StatusCode::NOT_FOUND,