bankserver_rust/src/api/docs.rs

use std::sync::Arc;

use axum::{
    Router,
    http::{HeaderValue, StatusCode},
    response::{Html, IntoResponse, Response},
    routing::get,
};

use super::AppState;

static OPENAPI_JSON: &'static str = include_str!("../../openapi.json");

static SCALAR_DOCS: &'static str = include_str!("./docs/scalar.html");
static SWAGGER_DOCS: &'static str = include_str!("./docs/swagger.html");
static RAPIDOC_DOCS: &'static str = include_str!("./docs/rapidoc.html");
static INDEX: &'static str = include_str!("./docs/index.html");

pub(super) fn router() -> Router<Arc<AppState>> {
    Router::new()
        .route("/", get(index_html))
        .route("/openapi.json", get(openapi_json))
        .route("/scalar", get(scalar_html))
        .route("/swagger", get(swagger_html))
        .route("/rapidoc", get(rapidoc_html))
}

fn with_content_type(body: &'static str, content_type: &'static str) -> Response {
    let mut response = (StatusCode::OK, body).into_response();
    response
        .headers_mut()
        .insert("Content-Type", HeaderValue::from_static(content_type));
    response
}

async fn openapi_json() -> Response {
    with_content_type(OPENAPI_JSON, "application/json")
}

async fn scalar_html() -> Html<&'static str> {
    Html(SCALAR_DOCS)
}
async fn swagger_html() -> Html<&'static str> {
    Html(SWAGGER_DOCS)
}
async fn rapidoc_html() -> Html<&'static str> {
    Html(RAPIDOC_DOCS)
}
async fn index_html() -> Html<&'static str> {
    Html(INDEX)
}