i added db and articles end points

back/src/main.rs

@@ -1,10 +1,14 @@
-use actix_web::{App, HttpServer};
+use actix_web::{get, http, post, web, App, HttpResponse, HttpServer, Responder};
 use actix_files::Files;
+use sqlite::{Connection, State, Error};
 
 #[actix_web::main]
-async fn main() -> std::io::Result<()> {
+async fn main() -> Result<(), std::io::Error> {
+    let conn = Connection::open("./data/data.db");
+
     HttpServer::new(|| {
         App::new()
+            .service(hello)
             .service(Files::new("/", "./public").index_file("index.html"))
     })
     .bind(("0.0.0.0", 8080))?
@@ -12,3 +16,24 @@ async fn main() -> std::io::Result<()> {
     .await
 }
 
+#[get("/api/hello")]
+async fn hello() -> impl Responder {
+    HttpResponse::Ok().body("Hello world!")
+}
+
+#[get("/api/articles")]
+async fn get_articles() -> impl Responder {
+    let conn = Connection::open("./data/data.db").unwrap();
+    let mut stmt = conn.prepare("SELECT * FROM articles").unwrap();
+    let mut articles = Vec::new();
+
+    while let State::Row = stmt.next().unwrap() {
+        let id = stmt.read::<i64, _>(0).unwrap();
+        let title = stmt.read::<String, _>(1).unwrap();
+        let subTitle = stmt.read::<String, _>(2).unwrap();
+        let content = stmt.read::<String, _>(3).unwrap();
+        articles.push((id, title, subTitle, content));
+    }
+
+    HttpResponse::Ok().json(articles)
+}