add preference updating

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+    "rust-analyzer.cargo.features": [
+        "friends"
+    ]
+}

rnex-core/src/nex/friends_handler.rs

@@ -320,6 +320,26 @@ impl Friends for FriendsUser {
     async fn check_setting_status(&self) -> Result<u8, ErrorCode> {
         Ok(0xFF)
     }
+    
+    async fn update_preference(&self, preference: PrincipalPreference) -> Result<(),ErrorCode>  {
+        info!("user updated preference: {:?}", preference);
+        let any_presence: Any = Any::new(&preference).expect("out of memory");
+
+        let users = self.fm.users.read().await;
+        for u in users.deref().iter().filter_map(|u| u.upgrade()) {
+            info!("sending preference update");
+            u.remote
+                .process_nintendo_notification_event_2(NintendoNotificationEvent {
+                    event_type: 23,
+                    sender: self.pid,
+                    data: any_presence.clone(),
+                })
+                .await;
+        }
+        drop(users);
+        
+        Ok(())
+    }
 }
 
 type HMacMd5 = hmac::Hmac<md5::Md5>;

rnex-core/src/rmc/protocols/friends.rs

@@ -67,7 +67,7 @@ pub struct NintendoPresenceV2 {
     pub unk6: u8,
     pub unk7: u8,
 }
-#[derive(RmcSerialize)]
+#[derive(RmcSerialize, Clone, Debug)]
 #[rmc_struct(0)]
 pub struct PrincipalPreference {
     #[extends]
@@ -171,6 +171,8 @@ pub trait Friends {
     >;
     #[method_id(13)]
     async fn update_presence(&self, presence: NintendoPresenceV2) -> Result<(), ErrorCode>;
+    #[method_id(16)]
+    async fn update_preference(&self, preference: PrincipalPreference) -> Result<(), ErrorCode>;
     #[method_id(18)]
     async fn delete_persistent_notification(
         &self,