vld-actix

[dependencies]
vld = "0.5"
vld-actix = "0.5"
actix-web = "4"

use actix_web::{web, App, HttpResponse, HttpServer};
use vld_actix::{VldBodyLimit, VldJson, VldPath, VldQuery};

vld::schema! {
    #[derive(Debug)]
    pub struct CreateUser {
        pub name: String => vld::string().min(2).max(50),
        pub email: String => vld::string().email(),
    }
}

vld::schema! {
    #[derive(Debug)]
    pub struct UserPath {
        pub id: i64 => vld::number().int().min(1),
    }
}

vld::schema! {
    #[derive(Debug)]
    pub struct Search {
        pub q: String => vld::string().min(1),
        pub page: Option<i64> => vld::number().int().min(1).optional(),
    }
}

async fn create_user(user: VldJson<CreateUser>) -> HttpResponse {
    HttpResponse::Created().body(format!("created {}", user.name))
}

async fn get_user(path: VldPath<UserPath>) -> HttpResponse {
    HttpResponse::Ok().body(format!("user #{}", path.id))
}

async fn search(q: VldQuery<Search>) -> HttpResponse {
    HttpResponse::Ok().body(format!("{} (page {})", q.q, q.page.unwrap_or(1)))
}

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    HttpServer::new(|| {
        App::new()
            .app_data(VldBodyLimit(8 * 1024 * 1024)) // optional, default 2 MiB
            .route("/users", web::post().to(create_user))
            .route("/users/{id}", web::get().to(get_user))
            .route("/search", web::get().to(search))
    })
    .bind("127.0.0.1:8080")?
    .run()
    .await
}