From fd112ff473a281b14c437f986a294af36c9e964f Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 20 Mar 2021 22:58:41 +0000
Subject: [PATCH] PieceMoveable: Enforce in /m api call

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 daemon/api.rs | 7 ++++++-
 src/error.rs  | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/daemon/api.rs b/daemon/api.rs
index b90e401a..147c8b38 100644
--- a/daemon/api.rs
+++ b/daemon/api.rs
@@ -76,7 +76,7 @@ impl From<&OnlineErrorResponse> for rocket::http::Status {
       ServerFailure(_) => Status::InternalServerError,
       NoClient | NoPlayer(_) | GameBeingDestroyed
         => Status::NotFound,
-      OE::PieceHeld |
+      OE::PieceHeld | OE::PieceImmoveable |
       OE::OverlappingOccultation | OE::Occultation |
       OE::BadPieceStateForOperation
         => Status::Conflict,
@@ -411,6 +411,11 @@ api_route!{
       // again
       if gpc.held != Some(player) { throw!(OnlineError::PieceHeld) }
       if gpc.occult.is_active() { throw!(OE::Occultation) }
+      if matches_doesnot!(
+        gpc.moveable(),
+        = PieceMoveable::No,
+        ! PieceMoveable::Yes | PieceMoveable::IfWresting,
+      ) { throw!(OE::PieceImmoveable) }
     }
   }
 
diff --git a/src/error.rs b/src/error.rs
index 64436285..5e639317 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -21,6 +21,8 @@ pub enum OnlineError {
   #[error("referenced piece is gone (maybe race)")]
   PieceHeld,
   #[error("improper UI operation")]
+  PieceImmoveable,
+  #[error("improper UI operation")]
   BadOperation,
   #[error("overlapping occultation")]
   OverlappingOccultation,
-- 
2.30.2