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use hyper::http::response::Builder;
use hyper::StatusCode;
use sputnik::hyper_body::FormError;
use sputnik::request::QueryError;
use sputnik::response::EmptyBuilder;
use std::str::Utf8Error;
use crate::{HyperResponse, Page};
/// For convenience this enum also contains nonerroneous variants.
#[derive(Debug)]
pub enum Error {
/// A 400 bad request error.
BadRequest(String),
/// A 401 unauthorized error.
Unauthorized(String),
/// A 403 forbidden error.
Forbidden(String),
/// A 404 not found error.
NotFound(String),
/// A 500 internal server error.
Internal(String),
/// A 304 response.
NotModified,
/// A 302 redirect to the given path.
Redirect(String),
// TODO: use Redirect instead
/// Missing trailing slash.
MissingTrailingSlash(String),
}
impl From<Utf8Error> for Error {
fn from(_: Utf8Error) -> Self {
Self::BadRequest("invalid UTF-8".into())
}
}
impl From<git2::Error> for Error {
fn from(e: git2::Error) -> Self {
eprintln!("git error: {}", e);
Self::Internal("something went wrong with git".into())
}
}
impl From<FormError> for Error {
fn from(e: FormError) -> Self {
Self::BadRequest(e.to_string())
}
}
impl From<QueryError> for Error {
fn from(e: QueryError) -> Self {
Self::BadRequest(e.to_string())
}
}
impl From<Error> for HyperResponse {
fn from(err: Error) -> Self {
let (status, message) = match err {
Error::BadRequest(msg) => (400, msg),
Error::Unauthorized(msg) => (401, msg),
Error::Forbidden(msg) => (403, msg),
Error::NotFound(msg) => (404, msg),
Error::Internal(msg) => (500, msg),
Error::NotModified => {
return Builder::new()
.status(StatusCode::NOT_MODIFIED)
.empty()
.unwrap();
}
Error::MissingTrailingSlash(path) => {
return Builder::new()
.status(StatusCode::FOUND)
.header("location", format!("{}/", path))
.body("redirecting".into())
.unwrap();
}
Error::Redirect(target) => {
return Builder::new()
.status(StatusCode::FOUND)
.header("location", target)
.body("redirecting".into())
.unwrap();
}
};
Builder::new()
.status(status)
.header("content-type", "text/html")
.body(
Page {
body: format!("<div>{}</div>", message),
..Page::default()
}
.render()
.into(),
)
.unwrap()
}
}
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