clean code with clippy

src/rest/auth.rs

@@ -1,14 +1,17 @@
 use rocket::{
     form::Form,
-    get, post,
+    get,
+    http::{Cookie, CookieJar},
+    post,
     request::FlashMessage,
-    response::{status, Flash, Redirect},
-    routes, FromForm, Responder, Route, State,
+    response::{Flash, Redirect},
+    routes, FromForm, Route, State,
 };
-use rocket_dyn_templates::{context, tera, Template};
+use rocket_dyn_templates::{tera, Template};
+use serde_json::json;
 use sqlx::SqlitePool;
 
-use crate::model::user::{self, User};
+use crate::model::user::User;
 
 #[get("/")]
 async fn index(flash: Option<FlashMessage<'_>>) -> Template {
@@ -28,7 +31,11 @@ struct LoginForm {
 }
 
 #[post("/", data = "<login>")]
-async fn login(login: Form<LoginForm>, db: &State<SqlitePool>) -> Flash<Redirect> {
+async fn login(
+    login: Form<LoginForm>,
+    db: &State<SqlitePool>,
+    cookies: &CookieJar<'_>,
+) -> Flash<Redirect> {
     let user = User::login(db, login.name.clone(), login.password.clone()).await;
 
     //TODO: be able to use for find_by_name. This would get rid of the following match clause.
@@ -39,6 +46,9 @@ async fn login(login: Form<LoginForm>, db: &State<SqlitePool>) -> Flash<Redirect
         }
     };
 
+    let user_json: String = format!("{}", json!(user));
+    cookies.add_private(Cookie::new("user", user_json));
+
     Flash::success(Redirect::to("/"), "Login erfolgreich")
 }