88 lines
2.2 KiB
Rust
88 lines
2.2 KiB
Rust
#![allow(dead_code)]
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use duplicate::duplicate;
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use log::{info, warn};
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use rocket::http::Status;
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use rocket::response::{Responder, Response};
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use rocket::serde::json::{json, Json};
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use rocket::Request;
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/// An error message which can be serialized as JSON.
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///
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/// #### Example JSON
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/// ```json
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/// {
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/// "status": 404,
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/// "description": "Not Found"
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/// }
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/// ```
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#[derive(Debug, Clone)]
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pub struct StatusJson {
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pub status: Status,
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pub description: String,
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}
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impl StatusJson {
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pub fn new<S: ToString>(status: Status, description: S) -> Self {
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StatusJson {
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status,
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description: description.to_string(),
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}
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}
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pub fn describe<S: ToString>(mut self, description: S) -> Self {
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self.description = description.to_string();
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self
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}
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}
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impl<'r> Responder<'r, 'static> for StatusJson {
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fn respond_to(self, req: &Request) -> Result<Response<'static>, Status> {
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if self.status.code >= 400 {
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warn!(
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"Responding with status {}.\n\
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Description: {}",
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self.status, self.description,
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);
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} else {
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info!("Responding with status {}", self.status);
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}
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let mut response = Json(json!({
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"status": self.status.code,
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"description": self.description,
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}))
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.respond_to(req)?;
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response.set_status(self.status);
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Ok(response)
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}
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}
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#[duplicate(
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status_code T;
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[ Status::InternalServerError ] [ sled::Error ];
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[ Status::InternalServerError ] [ sled::transaction::TransactionError ];
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[ Status::InternalServerError ] [ bincode::Error ];
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[ Status::BadRequest ] [ uuid::Error ];
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[ Status::BadRequest ] [ chrono::ParseError ];
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)]
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impl From<T> for StatusJson {
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fn from(e: T) -> StatusJson {
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StatusJson {
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status: status_code,
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description: e.to_string(),
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}
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}
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}
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impl From<Status> for StatusJson {
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fn from(status: Status) -> StatusJson {
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StatusJson {
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description: status.reason().map(|r| r.to_string()).unwrap_or_default(),
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status,
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}
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}
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}
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