adding nginx page & simulation endpoint

ActixAPI/src/main.rs

@@ -15,6 +15,20 @@ async fn static_serve(req: HttpRequest) -> Result<NamedFile> {
     Ok(NamedFile::open(real_path)?)
 }
 
+#[get("/simulation/harmonic-progression")]
+async fn simulation_harmonic_progression(req: HttpRequest) -> impl Responder {
+    let query_str = req.query_string();
+    let qs = QString::from(query_str);
+    let radius = qs.get("n").unwrap_or("1").parse::<f64>().unwrap_or(1.0);
+
+    let mut sum = 0.0;
+    for i in 1..=radius as i32 {
+        sum += 1.0 / i as f64;
+    }
+
+    HttpResponse::Ok().body(format!("{}", sum))
+}
+
 #[get("/image/load-small-image")]
 async fn load_small_image() -> Result<NamedFile> {
     let real_path = "static/small-image.png";
@@ -74,6 +88,7 @@ async fn main() -> std::io::Result<()> {
             .service(load_big_image)
             .service(save_big_image)
             .service(blur_image)
+            .service(simulation_harmonic_progression)
             .app_data(web::PayloadConfig::new(1024 * 1024 * 1024))
     })
     .bind(("0.0.0.0", 5000))?