Add context reqruied later for authentication

service/src/user_service.rs

@@ -0,0 +1,14 @@
+use std::sync::Arc;
+
+use async_trait::async_trait;
+use mockall::automock;
+
+use crate::ServiceError;
+
+#[automock(type Context=();)]
+#[async_trait]
+pub trait UserService {
+    type Context: Clone + Send + Sync + 'static;
+
+    async fn current_user(&self, context: Self::Context) -> Result<Arc<str>, ServiceError>;
+}