errors.rs
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use axum::http::{ StatusCode }; use axum::response::{ IntoResponse, Response }; use std::io; use std::fmt; pub type Result<T> = ::std::result::Result<T, Error>; #[derive(Debug)] pub enum Error { ConfigError(config::ConfigError), IoError(io::Error), TeraError(tera::Error), InvalidGitRoot(io::Error), } impl fmt::Display for Error { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { use Error::*; match *self { ConfigError(ref e) => write!(f, "Config error: {}", e), IoError(ref e) => write!(f, "IO error: {}", e), TeraError(ref e) => write!(f, "Tera error: {}", e), InvalidGitRoot(ref e) => write!(f, "Invalid git.root: {}", e), } } } impl From<config::ConfigError> for Error { fn from(e: config::ConfigError) -> Error { Error::ConfigError(e) } } impl From<io::Error> for Error { fn from(e: io::Error) -> Error { Error::IoError(e) } } impl From<tera::Error> for Error { fn from(e: tera::Error) -> Error { Error::TeraError(e) } } impl IntoResponse for Error { fn into_response(self) -> Response { use Error::*; tracing::error!("Error when building response: {}", &self); let body = match self { ConfigError(..) => "The server encountered an unexpected error", IoError(..) => "The server encountered an unexpected error", TeraError(..) => "The server encountered an unexpected error", InvalidGitRoot(..) => "The server encountered an unexpected error", }; (StatusCode::INTERNAL_SERVER_ERROR, body).into_response() } }