Remove unused imports

src/main.rs

@@ -3,8 +3,8 @@ use async_session::{MemoryStore, Session, SessionStore as _};
 use axum::{
     async_trait,
     extract::{
-        self, rejection::TypedHeaderRejectionReason, Extension, FromRequest, Path, Query,
-        RequestParts, TypedHeader,
+        self, rejection::TypedHeaderRejectionReason, Extension, FromRequest, Query, RequestParts,
+        TypedHeader,
     },
     headers::Cookie,
     http::{
@@ -14,8 +14,8 @@ use axum::{
         StatusCode,
     },
     response::{Html, IntoResponse, Redirect, Response},
-    routing::{get, post},
-    Json, Router,
+    routing::get,
+    Router,
 };
 use http::header;
 use oauth2::{
@@ -24,11 +24,20 @@ use oauth2::{
 };
 use serde::{Deserialize, Serialize};
 use std::{env, net::SocketAddr};
-use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
 use uuid::Uuid;
 
 const COOKIE_NAME: &str = "SESSION";
 
+// The user data we'll get back from Discord.
+// https://discord.com/developers/docs/resources/user#user-object-user-structure
+#[derive(Debug, Serialize, Deserialize)]
+struct User {
+    id: String,
+    avatar: Option<String>,
+    username: String,
+    discriminator: String,
+}
+
 #[tokio::main]
 async fn main() {
     // Set the RUST_LOG, if it hasn't been explicitly defined
@@ -45,8 +54,7 @@ async fn main() {
     // build our application with a route
     let app = Router::new()
         // `GET /` goes to `root`
-        .route("/greet/:name", get(greet))
-        .route("/", get(handler))
+        .route("/", get(index))
         .layer(Extension(store))
         .layer(Extension(oauth_client));
 
@@ -60,25 +68,14 @@ async fn main() {
         .unwrap();
 }
 
-async fn handler(user_id: UserIdFromSession) -> impl IntoResponse {
-    let (headers, user_id, create_cookie) = match user_id {
-        UserIdFromSession::FoundUserId(user_id) => (HeaderMap::new(), user_id, false),
-        UserIdFromSession::CreatedFreshUserId(new_user) => {
-            let mut headers = HeaderMap::new();
-            headers.insert(http::header::SET_COOKIE, new_user.cookie);
-            (headers, new_user.user_id, true)
-        }
+// Session is optional
+async fn index(user: Option<User>) -> impl IntoResponse {
+    let name = match user {
+        Some(u) => u.username,
+        None => "You're not logged in.\nVisit `/auth/discord` to do so.".to_string(),
     };
-
-    tracing::debug!("handler: user_id={:?} send_headers={:?}", user_id, headers);
-
-    (
-        headers,
-        format!(
-            "user_id={:?} session_cookie_name={} create_new_session_cookie={}",
-            user_id, COOKIE_NAME, create_cookie
-        ),
-    )
+    let template = IndexTemplate { name };
+    HtmlTemplate(template)
 }
 
 struct FreshUserId {
@@ -167,14 +164,9 @@ impl UserId {
     }
 }
 
-async fn greet(extract::Path(name): extract::Path<String>) -> impl IntoResponse {
-    let template = HelloTemplate { name };
-    HtmlTemplate(template)
-}
-
 #[derive(Template)]
 #[template(path = "index.html")]
-struct HelloTemplate {
+struct IndexTemplate {
     name: String,
 }
 
@@ -204,8 +196,8 @@ fn oauth_client() -> BasicClient {
     //  "AUTH_URL"      "https://discord.com/api/oauth2/authorize?response_type=code";
     //  "TOKEN_URL"     "https://discord.com/api/oauth2/token";
 
-    let client_id = env::var("CLIENT_ID").expect("Missing CLIENT_ID!");
-    let client_secret = env::var("CLIENT_SECRET").expect("Missing CLIENT_SECRET!");
+    let client_id = env::var("GOOGLE_CLIENT_ID").expect("Missing CLIENT_ID!");
+    let client_secret = env::var("GOOGLE_CLIENT_SECRET").expect("Missing CLIENT_SECRET!");
     let redirect_url = env::var("REDIRECT_URL")
         .unwrap_or_else(|_| "http://127.0.0.1:3000/auth/authorized".to_string());
 
@@ -225,27 +217,6 @@ fn oauth_client() -> BasicClient {
     .set_redirect_uri(RedirectUrl::new(redirect_url).unwrap())
 }
 
-// The user data we'll get back from Discord.
-// https://discord.com/developers/docs/resources/user#user-object-user-structure
-#[derive(Debug, Serialize, Deserialize)]
-struct User {
-    id: String,
-    avatar: Option<String>,
-    username: String,
-    discriminator: String,
-}
-
-// Session is optional
-async fn index(user: Option<User>) -> impl IntoResponse {
-    match user {
-        Some(u) => format!(
-            "Hey {}! You're logged in!\nYou may now access `/protected`.\nLog out with `/logout`.",
-            u.username
-        ),
-        None => "You're not logged in.\nVisit `/auth/discord` to do so.".to_string(),
-    }
-}
-
 async fn discord_auth(Extension(client): Extension<BasicClient>) -> impl IntoResponse {
     let (auth_url, _csrf_token) = client
         .authorize_url(CsrfToken::new_random)