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use axum::{response::{IntoResponse, Response}, http::{StatusCode, Request, HeaderValue}, body::Body, headers::HeaderName};
use tower::ServiceExt;
use tower_http::services::ServeFile;
use tracing::instrument;
#[derive(Debug)]
pub enum ResponseCode {
Success,
Created,
BadRequest,
Unauthorized,
Forbidden,
NotFound,
ImATeapot,
InternalServerError
}
impl ResponseCode {
pub fn code(self) -> StatusCode {
match self {
Self::Success => StatusCode::OK,
Self::Created => StatusCode::CREATED,
Self::BadRequest => StatusCode::BAD_REQUEST,
Self::Unauthorized => StatusCode::UNAUTHORIZED,
Self::Forbidden => StatusCode::FORBIDDEN,
Self::NotFound => StatusCode::NOT_FOUND,
Self::ImATeapot => StatusCode::IM_A_TEAPOT,
Self::InternalServerError => StatusCode::INTERNAL_SERVER_ERROR
}
}
#[instrument()]
pub fn text(self, msg: &str) -> Response {
(self.code(), msg.to_owned()).into_response()
}
#[instrument()]
pub fn json(self, json: &str) -> Response {
let mut res = (self.code(), json.to_owned()).into_response();
res.headers_mut().insert(
HeaderName::from_static("content-type"), HeaderValue::from_static("application/json"),
);
res
}
#[instrument()]
pub fn html(self, json: &str) -> Response {
let mut res = (self.code(), json.to_owned()).into_response();
res.headers_mut().insert(
HeaderName::from_static("content-type"), HeaderValue::from_static("text/html"),
);
res
}
#[instrument()]
pub async fn file(self, path: &str) -> Response {
if path.chars().position(|c| c == '.' ).is_none() {
return ResponseCode::BadRequest.text("Folders cannot be served");
}
let path = format!("public{}", path);
let svc = ServeFile::new(path);
let Ok(mut res) = svc.oneshot(Request::new(Body::empty())).await else {
tracing::error!("Error while fetching file");
return ResponseCode::InternalServerError.text("Error while fetching file");
};
if res.status() != StatusCode::OK {
return ResponseCode::NotFound.text("File not found");
}
*res.status_mut() = self.code();
res.into_response()
}
}
pub type Result<T> = std::result::Result<T, Response>;
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