From 693521c9426a6f9c5cfb69df63b1fa7f32b02b88 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 19 Mar 2021 01:13:50 +0000
Subject: [PATCH] clock: Use BadPieceStateForOperation

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 daemon/api.rs | 3 ++-
 src/clock.rs  | 8 ++++----
 src/error.rs  | 2 ++
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/daemon/api.rs b/daemon/api.rs
index 8de37284..13ee5246 100644
--- a/daemon/api.rs
+++ b/daemon/api.rs
@@ -77,7 +77,8 @@ impl From<&OnlineErrorResponse> for rocket::http::Status {
       NoClient | NoPlayer(_) | GameBeingDestroyed
         => Status::NotFound,
       OE::PieceHeld | OE::PieceGone |
-      OE::OverlappingOccultation | OE::Occultation
+      OE::OverlappingOccultation | OE::Occultation |
+      OE::BadPieceStateForOperation
         => Status::Conflict,
       InvalidZCoord | BadOperation | BadJSON(_)
         => Status::BadRequest,
diff --git a/src/clock.rs b/src/clock.rs
index 96bf5c78..228dd351 100644
--- a/src/clock.rs
+++ b/src/clock.rs
@@ -414,7 +414,7 @@ impl PieceTrait for Clock {
       },
       "reset" => {
         if state.current.is_some() {
-          throw!(OE::BadOperation);
+          throw!(OE::BadPieceStateForOperation);
         }
         for ust in &mut state.users {
           ust.remaining = self.spec.initial_time();
@@ -423,19 +423,19 @@ impl PieceTrait for Clock {
       "claim-x" | "claim-y" => {
         let user = get_user();
         if let Some(_gpl) = gs.players.get(state.users[user].player) {
-          throw!(OE::BadOperation);
+          throw!(OE::BadPieceStateForOperation);
         }
         state.users[user].player = player;
       },
       "unclaim-x" | "unclaim-y" => {
         let user = get_user();
         if state.users[user].player != player {
-          throw!(OE::BadOperation);
+          throw!(OE::BadPieceStateForOperation);
         }
         state.users[user].player = default();
       },
       _ => {
-        throw!(OE::BadOperation);
+        throw!(OE::BadPieceStateForOperation);
       }
     }
 
diff --git a/src/error.rs b/src/error.rs
index b410fd86..03a947d4 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -28,6 +28,8 @@ pub enum OnlineError {
   OverlappingOccultation,
   #[error("piece is occulting, or occulted")]
   Occultation,
+  #[error("UI operation not valid in the curret piece state")]
+  BadPieceStateForOperation,
 }
 from_instance_lock_error!{OnlineError}
 
-- 
2.30.2