hypers_openapi 0.14.1

Compile time generated OpenAPI documentation for hypers
Documentation
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mod openapi;
pub mod rapidoc;
pub mod redoc;
pub mod scalar;
pub mod status;
pub mod swagger_ui;

pub use hypers_openapi_macro::{self, openapi, ToParameter, ToResponse, ToResponses, ToSchema};
pub use openapi::*;
pub use rapidoc::RapiDoc;
pub use redoc::ReDoc;
pub use scalar::Scalar;
pub use serde_json;
pub use status::StatusError;
pub use swagger_ui::{Config, OauthConfig, SwaggerUi, Url};

use hypers_core::{
    prelude::{CookieParam, Form, Json, Path, Query},
    FilePart, FileParts,
};
use hypers_openapi_macro::schema;
use serde::Deserialize;
use std::{
    any::type_name,
    collections::{BTreeMap, HashMap, LinkedList},
    marker::PhantomData,
};
// https://github.com/bkchr/proc-macro-crate/issues/10
extern crate self as hypers_openapi;
pub mod oapi {
    pub use super::*;
}
pub trait ToSchema {
    /// Returns a tuple of name and schema or reference to a schema that can be referenced by the
    /// name or inlined directly to responses, request bodies or parameters.
    fn to_schema(components: &mut Components) -> RefOr<schema::Schema>;
}
/// Represents _`nullable`_ type. This can be used anywhere where "nothing" needs to be evaluated.
/// This will serialize to _`null`_ in JSON and [`schema::empty`] is used to create the
/// [`schema::Schema`] for the type.
impl ToSchema for () {
    fn to_schema(_components: &mut Components) -> RefOr<schema::Schema> {
        schema::empty().into()
    }
}
macro_rules! impl_to_schema {
    ($ty:path) => {
        impl_to_schema!( @impl_schema $ty );
    };
    (&$ty:path) => {
        impl_to_schema!( @impl_schema &$ty );
    };
    (@impl_schema $($tt:tt)*) => {
        impl ToSchema for $($tt)* {
            fn to_schema(_components: &mut Components) -> crate::RefOr<crate::schema::Schema> {
                 schema!( $($tt)* ).into()
            }
        }
    };
}
macro_rules! impl_to_schema_primitive {
    ($($tt:path),*) => {
        $( impl_to_schema!( $tt ); )*
    };
}
#[rustfmt::skip]
impl_to_schema_primitive!(
    i8, i16, i32, i64, i128, isize, u8, u16, u32, u64, u128, usize, bool, f32, f64, String, str, char
);
impl_to_schema!(&str);
#[cfg(feature = "chrono")]
impl_to_schema_primitive!(chrono::NaiveDate, chrono::Duration, chrono::NaiveDateTime);
#[cfg(feature = "chrono")]
impl<T: chrono::TimeZone> ToSchema for chrono::DateTime<T> {
    fn to_schema(_components: &mut Components) -> RefOr<schema::Schema> {
        schema!(#[inline] DateTime<T>).into()
    }
}
#[cfg(any(feature = "decimal", feature = "decimal-float"))]
impl_to_schema!(rust_decimal::Decimal);
#[cfg(feature = "url")]
impl_to_schema!(url::Url);
#[cfg(feature = "uuid")]
impl_to_schema!(uuid::Uuid);
#[cfg(feature = "ulid")]
impl_to_schema!(ulid::Ulid);
#[cfg(feature = "time")]
impl_to_schema_primitive!(
    time::Date,
    time::PrimitiveDateTime,
    time::OffsetDateTime,
    time::Duration
);
#[cfg(feature = "smallvec")]
impl<T: ToSchema + smallvec::Array> ToSchema for smallvec::SmallVec<T> {
    fn to_schema(components: &mut Components) -> RefOr<schema::Schema> {
        schema!(#[inline] smallvec::SmallVec<T>).into()
    }
}
impl<T: ToSchema> ToSchema for Vec<T> {
    fn to_schema(components: &mut Components) -> RefOr<schema::Schema> {
        schema!(#[inline] Vec<T>).into()
    }
}
impl<T: ToSchema> ToSchema for LinkedList<T> {
    fn to_schema(components: &mut Components) -> RefOr<schema::Schema> {
        schema!(#[inline] LinkedList<T>).into()
    }
}
impl<T: ToSchema> ToSchema for [T] {
    fn to_schema(components: &mut Components) -> RefOr<schema::Schema> {
        schema!(
            #[inline]
            [T]
        )
        .into()
    }
}
impl<T: ToSchema, const N: usize> ToSchema for [T; N] {
    fn to_schema(components: &mut Components) -> RefOr<schema::Schema> {
        schema!(
            #[inline]
            [T; N]
        )
        .into()
    }
}
impl<T: ToSchema> ToSchema for &[T] {
    fn to_schema(components: &mut Components) -> RefOr<schema::Schema> {
        schema!(
            #[inline]
            &[T]
        )
        .into()
    }
}
impl<T: ToSchema> ToSchema for Option<T> {
    fn to_schema(components: &mut Components) -> RefOr<schema::Schema> {
        schema!(#[inline] Option<T>).into()
    }
}
impl<T> ToSchema for PhantomData<T> {
    fn to_schema(_components: &mut Components) -> RefOr<schema::Schema> {
        Schema::Object(Object::default()).into()
    }
}
impl<K: ToSchema, V: ToSchema> ToSchema for BTreeMap<K, V> {
    fn to_schema(_components: &mut Components) -> RefOr<schema::Schema> {
        schema!(#[inline]BTreeMap<K, V>).into()
    }
}
impl<K: ToSchema, V: ToSchema> ToSchema for HashMap<K, V> {
    fn to_schema(_components: &mut Components) -> RefOr<schema::Schema> {
        schema!(#[inline]HashMap<K, V>).into()
    }
}
impl<T, E> ToSchema for Result<T, E>
where
    T: ToSchema,
    E: ToSchema,
{
    #[inline]
    fn to_schema(components: &mut Components) -> RefOr<schema::Schema> {
        let symbol = type_name::<Self>().replace("::", ".");
        let schema = schema::OneOf::new()
            .item(T::to_schema(components))
            .item(E::to_schema(components));
        components.schemas.insert(symbol.clone(), schema.into());
        crate::RefOr::Ref(crate::Ref::new(format!("#/components/schemas/{}", symbol)))
    }
}
impl ToSchema for serde_json::Value {
    #[inline]
    fn to_schema(_components: &mut Components) -> RefOr<schema::Schema> {
        Schema::Object(Object::default()).into()
    }
}
impl ToSchema for serde_json::Map<String, serde_json::Value> {
    #[inline]
    fn to_schema(_components: &mut Components) -> RefOr<schema::Schema> {
        schema!(#[inline]HashMap<K, V>).into()
    }
}
pub trait ToParameter {
    fn to_parameters(components: &mut Components) -> Parameters;
}
pub trait ToRequestBody {
    /// Returns `RequestBody`.
    fn to_request_body(components: &mut Components) -> RequestBody;
}
pub trait ToResponses {
    /// Returns an ordered map of response codes to responses.
    fn to_responses(components: &mut Components) -> Responses;
}
pub trait ToResponse {
    /// Returns a tuple of response component name (to be referenced) to a response.
    fn to_response(components: &mut Components) -> RefOr<crate::Response>;
}
pub trait HandlerArg {
    /// Modify the OpenApi components section or current operation information with given argument. This function is called by macros internal.
    fn register(components: &mut Components, operation: &mut Operation, arg: &str);
}
/// A trait for endpoint return type register.
pub trait HandlerOut {
    /// Modify the OpenApi components section or current operation information with given argument. This function is called by macros internal.
    fn register(components: &mut Components, operation: &mut Operation);
}
impl<T, E> HandlerOut for Result<T, E>
where
    T: HandlerOut + Send,
    E: HandlerOut + Send,
{
    #[inline]
    fn register(components: &mut Components, operation: &mut Operation) {
        T::register(components, operation);
        E::register(components, operation);
    }
}
impl<E> HandlerOut for Result<(), E>
where
    E: HandlerOut + Send,
{
    #[inline]
    fn register(components: &mut Components, operation: &mut Operation) {
        operation.responses.insert("200", Response::new("Ok"));
        E::register(components, operation);
    }
}
impl HandlerOut for &'static str {
    #[inline]
    fn register(components: &mut Components, operation: &mut Operation) {
        operation.responses.insert(
            "200",
            Response::new("Ok").add_content("text/plain", String::to_schema(components)),
        );
    }
}
impl HandlerOut for String {
    #[inline]
    fn register(components: &mut Components, operation: &mut Operation) {
        operation.responses.insert(
            "200",
            Response::new("Ok").add_content("text/plain", String::to_schema(components)),
        );
    }
}
impl<'a> HandlerOut for &'a String {
    #[inline]
    fn register(components: &mut Components, operation: &mut Operation) {
        operation.responses.insert(
            "200",
            Response::new("Ok").add_content("text/plain", String::to_schema(components)),
        );
    }
}
impl<C> HandlerOut for Json<C>
where
    C: ToSchema,
{
    #[inline]
    fn register(components: &mut Components, operation: &mut Operation) {
        operation
            .responses
            .insert("200", Self::to_response(components));
    }
}
impl HandlerOut for hypers_core::prelude::Response {
    #[inline]
    fn register(_: &mut Components, _: &mut Operation) {}
}
impl<C> ToResponses for Json<C>
where
    C: ToSchema,
{
    #[inline]
    fn to_responses(components: &mut Components) -> Responses {
        Responses::new().response(
            "200",
            Response::new("Response json format data")
                .add_content("application/json", Content::new(C::to_schema(components))),
        )
    }
}
impl<C> ToResponse for Json<C>
where
    C: ToSchema,
{
    #[inline]
    fn to_response(components: &mut Components) -> RefOr<Response> {
        let schema = <C as ToSchema>::to_schema(components);
        Response::new("Response with json format data")
            .add_content("application/json", Content::new(schema))
            .into()
    }
}
impl<'de> HandlerArg for FilePart {
    fn register(_: &mut Components, operation: &mut Operation, _arg: &str) {
        let schema = Schema::from(
            Object::new().property(
                _arg,
                Object::with_type(SchemaType::String)
                    .format(SchemaFormat::KnownFormat(KnownFormat::Binary)),
            ),
        );
        if let Some(request_body) = &mut operation.request_body {
            request_body
                .content
                .insert("multipart/form-data".into(), Content::new(schema));
        } else {
            let request_body = RequestBody::new()
                .description("Upload a file.")
                .add_content("multipart/form-data", Content::new(schema));
            operation.request_body = Some(request_body);
        }
    }
}
impl<'de> HandlerArg for FileParts {
    fn register(_: &mut Components, operation: &mut Operation, _arg: &str) {
        let schema = Schema::from(
            Object::new().property(
                _arg,
                Array::new(Schema::from(
                    Object::with_type(SchemaType::String)
                        .format(SchemaFormat::KnownFormat(KnownFormat::Binary)),
                )),
            ),
        );
        if let Some(request_body) = &mut operation.request_body {
            request_body
                .content
                .insert("multipart/form-data".into(), Content::new(schema));
        } else {
            let request_body = RequestBody::new()
                .description("Upload files.")
                .add_content("multipart/form-data", Content::new(schema));
            operation.request_body = Some(request_body);
        }
    }
}
impl<T> HandlerArg for CookieParam<T>
where
    T: ToSchema,
{
    fn register(components: &mut Components, operation: &mut Operation, arg: &str) {
        let parameter = Parameter::new(arg)
            .parameter_in(ParameterIn::Cookie)
            .description(format!("Get parameter `{arg}` from request cookie."))
            .schema(T::to_schema(components))
            .required(true);
        operation.parameters.insert(parameter);
    }
}
impl<T> HandlerArg for hypers_core::prelude::Header<T>
where
    T: ToSchema,
{
    fn register(components: &mut Components, operation: &mut Operation, arg: &str) {
        let parameter = Parameter::new(arg)
            .parameter_in(ParameterIn::Header)
            .description(format!("Get parameter `{arg}` from request headers."))
            .schema(T::to_schema(components))
            .required(true);
        operation.parameters.insert(parameter);
    }
}
impl<T> HandlerArg for Path<T>
where
    T: ToSchema,
{
    fn register(components: &mut Components, operation: &mut Operation, arg: &str) {
        let parameter = Parameter::new(arg)
            .parameter_in(ParameterIn::Path)
            .description(format!("Get parameter `{arg}` from request url path."))
            .schema(T::to_schema(components))
            .required(true);
        operation.parameters.insert(parameter);
    }
}
impl<T> HandlerArg for Query<T>
where
    T: ToSchema,
{
    fn register(components: &mut Components, operation: &mut Operation, arg: &str) {
        let parameter = Parameter::new(arg)
            .parameter_in(ParameterIn::Query)
            .description(format!("Get parameter `{arg}` from request url query."))
            .schema(T::to_schema(components))
            .required(true);
        operation.parameters.insert(parameter);
    }
}
impl<'de, T> ToRequestBody for Json<T>
where
    T: Deserialize<'de> + ToSchema,
{
    fn to_request_body(components: &mut Components) -> RequestBody {
        RequestBody::new()
            .description("Extract json format data from request.")
            .add_content("application/json", Content::new(T::to_schema(components)))
    }
}
impl<'de, T> HandlerArg for Json<T>
where
    T: Deserialize<'de> + ToSchema,
{
    fn register(components: &mut Components, operation: &mut Operation, _arg: &str) {
        let request_body = Self::to_request_body(components);
        let _ = <T as ToSchema>::to_schema(components);
        operation.request_body = Some(request_body);
    }
}
impl<'de, T> ToRequestBody for Form<T>
where
    T: Deserialize<'de> + ToSchema,
{
    fn to_request_body(components: &mut Components) -> RequestBody {
        RequestBody::new()
            .description("Extract form format data from request.")
            .add_content(
                "application/x-www-form-urlencoded",
                Content::new(T::to_schema(components)),
            )
            .add_content("multipart/*", Content::new(T::to_schema(components)))
    }
}
impl<'de, T> HandlerArg for Form<T>
where
    T: Deserialize<'de> + ToSchema,
{
    fn register(components: &mut Components, operation: &mut Operation, _arg: &str) {
        let request_body = Self::to_request_body(components);
        let _ = <T as ToSchema>::to_schema(components);
        operation.request_body = Some(request_body);
    }
}