Add avatar saving functionality (without CDN support)

rc_services_room/src/operations/avatar_set.rs

@@ -0,0 +1,42 @@
+use polariton::operation::{ParameterTable, Typed, OperationResponse};
+
+const CODE: u8 = 111;
+
+const IS_CUSTOM_PARAM_KEY: u8 = 130; // bool; in
+const AVATAR_ID_PARAM_KEY: u8 = 129; // int; in
+
+pub(super) fn avatar_set_provider() -> AvatarSetProvider {
+    AvatarSetProvider
+}
+
+async fn do_save(params: ParameterTable<()>, user: &crate::UserTy) -> Result<ParameterTable, i16> {
+    let mut params = params.to_dict();
+    let user_info = user.user()?;
+    if let Some(Typed::Int(avatar)) = params.remove(&AVATAR_ID_PARAM_KEY) {
+        if let Some(Typed::Bool(is_custom)) = params.remove(&IS_CUSTOM_PARAM_KEY) {
+            let info = rc_core::persist::user::AvatarInfo {
+                avatar_id: avatar,
+                use_custom: is_custom,
+            };
+            user_info.set_avatar_info(info).await?;
+        }
+    }
+    Ok(params.into())
+}
+
+pub(super) struct AvatarSetProvider;
+
+#[async_trait::async_trait]
+impl polariton_server::operations::Operation<()> for AvatarSetProvider {
+    type User = crate::UserTy;
+
+    async fn handle_async(&self, params: ParameterTable<()>, user: &Self::User) -> OperationResponse<()> {
+        polariton_server::operations::result_to_op_resp::<CODE, ()>(do_save(params, user).await)
+    }
+}
+
+impl polariton_server::operations::OperationCode for AvatarSetProvider {
+    fn op_code() -> u8 {
+        CODE
+    }
+}