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//! # Support for `Yaml<T>` from `axum-serde`
//!
//! ## Feature
//!
//! Enable the `yaml` feature to use `Valid<Yaml<T>>`.
//!
//! ## Usage
//!
//! 1. Implement `Deserialize` and `Validate` for your data type `T`.
//! 2. In your handler function, use `Valid<Yaml<T>>` as some parameter's type.
//!
//! ## Example
//!
//! ```no_run
//! #[cfg(feature = "validator")]
//! mod validator_example {
//! use axum::routing::post;
//! use axum_serde::Yaml;
//! use axum::Router;
//! use axum_valid::Valid;
//! use serde::Deserialize;
//! use validator::Validate;
//!
//! pub fn router() -> Router {
//! Router::new().route("/yaml", post(handler))
//! }
//!
//! async fn handler(Valid(Yaml(parameter)): Valid<Yaml<Parameter>>) {
//! assert!(parameter.validate().is_ok());
//! // Support automatic dereferencing
//! println!("v0 = {}, v1 = {}", parameter.v0, parameter.v1);
//! }
//!
//! #[derive(Validate, Deserialize)]
//! pub struct Parameter {
//! #[validate(range(min = 5, max = 10))]
//! pub v0: i32,
//! #[validate(length(min = 1, max = 10))]
//! pub v1: String,
//! }
//! }
//!
//! #[cfg(feature = "garde")]
//! mod garde_example {
//! use axum::routing::post;
//! use axum_serde::Yaml;
//! use axum::Router;
//! use axum_valid::Garde;
//! use serde::Deserialize;
//! use garde::Validate;
//!
//! pub fn router() -> Router {
//! Router::new().route("/yaml", post(handler))
//! }
//!
//! async fn handler(Garde(Yaml(parameter)): Garde<Yaml<Parameter>>) {
//! assert!(parameter.validate_with(&()).is_ok());
//! // Support automatic dereferencing
//! println!("v0 = {}, v1 = {}", parameter.v0, parameter.v1);
//! }
//!
//! #[derive(Validate, Deserialize)]
//! pub struct Parameter {
//! #[garde(range(min = 5, max = 10))]
//! pub v0: i32,
//! #[garde(length(min = 1, max = 10))]
//! pub v1: String,
//! }
//! }
//!
//! # #[tokio::main]
//! # async fn main() -> anyhow::Result<()> {
//! # use std::net::SocketAddr;
//! # use axum::Router;
//! # use tokio::net::TcpListener;
//! # let router = Router::new();
//! # #[cfg(feature = "validator")]
//! # let router = router.nest("/validator", validator_example::router());
//! # #[cfg(feature = "garde")]
//! # let router = router.nest("/garde", garde_example::router());
//! # let listener = TcpListener::bind(&SocketAddr::from(([0u8, 0, 0, 0], 0u16))).await?;
//! # axum::serve(listener, router.into_make_service())
//! # .await?;
//! # Ok(())
//! # }
//! ```
use crate::HasValidate;
#[cfg(feature = "validator")]
use crate::HasValidateArgs;
use axum_serde::Yaml;
#[cfg(feature = "validator")]
use validator::ValidateArgs;
impl<T> HasValidate for Yaml<T> {
type Validate = T;
fn get_validate(&self) -> &T {
&self.0
}
}
#[cfg(feature = "validator")]
impl<'v, T: ValidateArgs<'v>> HasValidateArgs<'v> for Yaml<T> {
type ValidateArgs = T;
fn get_validate_args(&self) -> &Self::ValidateArgs {
&self.0
}
}
#[cfg(feature = "validify")]
impl<T: validify::Modify> crate::HasModify for Yaml<T> {
type Modify = T;
fn get_modify(&mut self) -> &mut Self::Modify {
&mut self.0
}
}
#[cfg(feature = "validify")]
impl<T> crate::PayloadExtractor for Yaml<T> {
type Payload = T;
fn get_payload(self) -> Self::Payload {
self.0
}
}
#[cfg(feature = "validify")]
impl<T: validify::Validify + validify::ValidifyPayload> crate::HasValidify for Yaml<T> {
type Validify = T;
type PayloadExtractor = Yaml<T::Payload>;
fn from_validify(v: Self::Validify) -> Self {
Yaml(v)
}
}
#[cfg(test)]
mod tests {
use crate::tests::{ValidTest, ValidTestParameter};
use axum::http::StatusCode;
use axum_serde::Yaml;
use reqwest::RequestBuilder;
use serde::Serialize;
impl<T: ValidTestParameter + Serialize> ValidTest for Yaml<T> {
const ERROR_STATUS_CODE: StatusCode = StatusCode::UNPROCESSABLE_ENTITY;
fn set_valid_request(builder: RequestBuilder) -> RequestBuilder {
builder
.header(reqwest::header::CONTENT_TYPE, "application/yaml")
.body(
serde_yaml::to_string(&T::valid())
.expect("Failed to serialize parameters to yaml"),
)
}
fn set_error_request(builder: RequestBuilder) -> RequestBuilder {
#[derive(Serialize, Default)]
struct ErrorData {
error_field: i32,
}
builder
.header(reqwest::header::CONTENT_TYPE, "application/yaml")
.body(
serde_yaml::to_string(&ErrorData::default())
.expect("Failed to serialize parameters to yaml"),
)
}
fn set_invalid_request(builder: RequestBuilder) -> RequestBuilder {
builder
.header(reqwest::header::CONTENT_TYPE, "application/yaml")
.body(
serde_yaml::to_string(&T::invalid())
.expect("Failed to serialize parameters to yaml"),
)
}
}
}