main.rs

use actix_web::{get, web::Path, App, HttpServer, Responder};
use rhai::Engine;

#[get("/multiply/{num1}/{num2}")]
async fn multiply(path: Path<(i64, i64)>) -> impl Responder {
    let (num1, num2) = path.into_inner();

    let mut engine = Engine::new();

    engine.register_fn("num1", move || num1);
    engine.register_fn("num2", move || num2);

    match engine.eval_file::<i64>("src/multiply.rhai".into()) {
        Ok(result) => format!("{}", result),
        Err(e) => format!("Error: {}", e),
    }
}

#[get("/add/{num1}/{num2}")]
async fn add(path: Path<(i64, i64)>) -> impl Responder {
    let (num1, num2) = path.into_inner();

    let mut engine = Engine::new();

    engine.register_fn("num1", move || num1);
    engine.register_fn("num2", move || num2);

    match engine.eval_file::<i64>("src/add.rhai".into()) {
        Ok(result) => format!("{}", result),
        Err(e) => format!("Error: {}", e),
    }
}

#[get("/subtract/{num1}/{num2}")]
async fn subtract(path: Path<(i64, i64)>) -> impl Responder {
    let (num1, num2) = path.into_inner();

    let mut engine = Engine::new();

    engine.register_fn("num1", move || num1);
    engine.register_fn("num2", move || num2);

    match engine.eval_file::<i64>("src/subtract.rhai".into()) {
        Ok(result) => format!("{}", result),
        Err(e) => format!("Error: {}", e),
    }
}

#[get("/divide/{num1}/{num2}")]
async fn divide(path: Path<(i64, i64)>) -> impl Responder {
    let (num1, num2) = path.into_inner();

    let mut engine = Engine::new();

    engine.register_fn("num1", move || num1);
    engine.register_fn("num2", move || num2);

    match engine.eval_file::<i64>("src/divide.rhai".into()) {
        Ok(result) => format!("{}", result),
        Err(e) => format!("Error: {}", e),
    }
}

#[actix_web::main]
async fn main() -> std::io::Result<()> {
    HttpServer::new(|| {
        App::new()
            .service(multiply)
            .service(add)
            .service(subtract)
            .service(divide)
    })
    .bind(("127.0.0.1", 8080))?
    .run()
    .await
}