fix : path to index.html

backend/src/main.rs

@@ -1,9 +1,12 @@
-use axum::{routing::get, Router};
+use axum::{Router, response::Html, routing::get};
 use std::net::SocketAddr;
+use std::path::Path;
+use tokio::fs::File;
+use tokio::io::{self, AsyncReadExt};
 
 #[tokio::main]
 async fn main() {
-    let app = Router::new().route("/", get(|| async { "Hello, world!" }));
+    let app = Router::new().route("/", get(handler));
 
     let addr = SocketAddr::from(([127, 0, 0, 1], 3000));
     println!("listening on {}", addr);
@@ -12,3 +15,17 @@ async fn main() {
         .await
         .unwrap();
 }
+
+async fn handler() -> Html<String> {
+    let html_content = read_html_from_file("../web/templates/view/index.html")
+        .await
+        .unwrap_or_else(|_| "<h1>Error loading HTML file</h1>".to_string());
+    Html(html_content)
+}
+
+async fn read_html_from_file<P: AsRef<Path>>(path: P) -> io::Result<String> {
+    let mut file = File::open(path).await?;
+    let mut contents = String::new();
+    file.read_to_string(&mut contents).await?;
+    Ok(contents)
+}