Confirm subscription endpoint

src/startup.rs

@@ -16,6 +16,13 @@ pub struct Application {
     router: Router,
 }
 
+#[derive(Clone)]
+pub struct AppState {
+    pub connection_pool: PgPool,
+    pub email_client: Arc<EmailClient>,
+    pub base_url: String,
+}
+
 impl Application {
     pub async fn build(configuration: Settings) -> Result<Self, std::io::Error> {
         let address = format!(
@@ -26,7 +33,11 @@ impl Application {
         let connection_pool =
             PgPoolOptions::new().connect_lazy_with(configuration.database.with_db());
         let email_client = EmailClient::new(configuration.email_client);
-        let router = app(connection_pool, email_client);
+        let router = app(
+            connection_pool,
+            email_client,
+            configuration.application.base_url,
+        );
         Ok(Self { listener, router })
     }
 
@@ -35,15 +46,21 @@ impl Application {
         axum::serve(self.listener, self.router).await
     }
 
-    pub fn address(&self) -> String {
+    pub fn local_addr(&self) -> String {
         self.listener.local_addr().unwrap().to_string()
     }
 }
 
-pub fn app(connection_pool: PgPool, email_client: EmailClient) -> Router {
+pub fn app(connection_pool: PgPool, email_client: EmailClient, base_url: String) -> Router {
+    let app_state = AppState {
+        connection_pool,
+        email_client: Arc::new(email_client),
+        base_url,
+    };
     Router::new()
         .route("/health_check", get(health_check))
         .route("/subscriptions", post(subscribe))
+        .route("/subscriptions/confirm", get(confirm))
         .layer(
             TraceLayer::new_for_http().make_span_with(|request: &Request<_>| {
                 let matched_path = request
@@ -61,6 +78,5 @@ pub fn app(connection_pool: PgPool, email_client: EmailClient) -> Router {
                 )
             }),
         )
-        .with_state(connection_pool)
-        .with_state(Arc::new(email_client))
+        .with_state(app_state)
 }