Jędrzej Stuczyński
90 lines
2.3 KiB
Rust
90 lines
2.3 KiB
Rust
// Copyright 2023 - Nym Technologies SA <contact@nymtech.net>
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// SPDX-License-Identifier: Apache-2.0
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use axum::http::{header, HeaderValue, StatusCode};
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use axum::response::{IntoResponse, Response};
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use axum::Json;
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use bytes::{BufMut, BytesMut};
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use serde::{Deserialize, Serialize};
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use utoipa::{IntoParams, ToSchema};
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#[derive(Debug, Clone, ToSchema)]
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pub enum FormattedResponse<T> {
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Json(Json<T>),
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Yaml(Yaml<T>),
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}
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impl<T> IntoResponse for FormattedResponse<T>
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where
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T: Serialize,
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{
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fn into_response(self) -> Response {
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match self {
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FormattedResponse::Json(json_response) => json_response.into_response(),
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FormattedResponse::Yaml(yaml_response) => yaml_response.into_response(),
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}
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}
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}
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#[derive(Default, Debug, Serialize, Deserialize, Copy, Clone, ToSchema)]
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#[serde(rename_all = "lowercase")]
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pub enum Output {
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#[default]
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Json,
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Yaml,
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}
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#[derive(Default, Debug, Serialize, Deserialize, Copy, Clone, IntoParams, ToSchema)]
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#[serde(default)]
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pub struct OutputParams {
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pub output: Option<Output>,
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}
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impl Output {
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pub fn to_response<T: Serialize>(self, data: T) -> FormattedResponse<T> {
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match self {
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Output::Json => FormattedResponse::Json(Json(data)),
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Output::Yaml => FormattedResponse::Yaml(Yaml(data)),
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}
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}
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}
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#[derive(Debug, Clone, Copy, Default)]
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#[must_use]
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pub struct Yaml<T>(pub T);
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impl<T> From<T> for Yaml<T> {
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fn from(inner: T) -> Self {
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Self(inner)
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}
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}
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impl<T> IntoResponse for Yaml<T>
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where
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T: Serialize,
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{
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// replicates axum's Json
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fn into_response(self) -> Response {
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let mut buf = BytesMut::with_capacity(128).writer();
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match serde_yaml::to_writer(&mut buf, &self.0) {
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Ok(()) => (
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[(
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header::CONTENT_TYPE,
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HeaderValue::from_static("application/yaml"),
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)],
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buf.into_inner().freeze(),
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)
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.into_response(),
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Err(err) => (
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StatusCode::INTERNAL_SERVER_ERROR,
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[(
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header::CONTENT_TYPE,
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HeaderValue::from_static(mime::TEXT_PLAIN_UTF_8.as_ref()),
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)],
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err.to_string(),
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)
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.into_response(),
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}
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}
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}
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