refactor(ports): CQRS split — UserRepository = UserReader + UserWriter supertrait

crates/application/src/use_cases/profile.rs

@@ -4,11 +4,11 @@ use domain::{
     errors::DomainError,
     events::DomainEvent,
     models::{top_friend::TopFriend, user::User},
-    ports::{EventPublisher, TopFriendRepository, UserRepository},
+    ports::{EventPublisher, TopFriendRepository, UserReader, UserWriter},
     value_objects::{UserId, Username},
 };
 
-pub async fn get_user(users: &dyn UserRepository, user_id: &UserId) -> Result<User, DomainError> {
+pub async fn get_user(users: &dyn UserReader, user_id: &UserId) -> Result<User, DomainError> {
     users
         .find_by_id(user_id)
         .await?
@@ -16,7 +16,7 @@ pub async fn get_user(users: &dyn UserRepository, user_id: &UserId) -> Result<Us
 }
 
 pub async fn get_user_by_username(
-    users: &dyn UserRepository,
+    users: &dyn UserReader,
     username: &str,
 ) -> Result<User, DomainError> {
     let username = Username::new(username).map_err(|_| DomainError::NotFound)?;
@@ -28,7 +28,7 @@ pub async fn get_user_by_username(
 
 /// Resolve a path segment that is either a UUID (AP actor URL) or a username.
 pub async fn get_user_by_id_or_username(
-    users: &dyn UserRepository,
+    users: &dyn UserReader,
     id_or_username: &str,
 ) -> Result<User, DomainError> {
     if let Ok(uuid) = uuid::Uuid::parse_str(id_or_username) {
@@ -43,7 +43,7 @@ pub async fn get_user_by_id_or_username(
 
 #[allow(clippy::too_many_arguments)]
 pub async fn update_profile(
-    users: &dyn UserRepository,
+    users: &dyn UserWriter,
     events: &dyn EventPublisher,
     user_id: &UserId,
     display_name: Option<String>,