implement pin op

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/src/api.rs b/src/api.rs
index a4c313e7786ac9e3c1fabb20a08b2138ecdd61a5..051b2bf1910f443bde0dd36c43c36b897b6210b2 100644 (file)
--- a/src/api.rs
+++ b/src/api.rs
@@ -312,6 +312,31 @@ impl ApiPieceOp for ApiPieceMove {
   }
 }
 
+#[derive(Debug,Serialize,Deserialize)]
+struct ApiPiecePin (bool);
+#[post("/_/api/pin", format="json", data="<form>")]
+#[throws(OE)]
+fn api_pin(form : Json<ApiPiece<ApiPiecePin>>) -> impl response::Responder<'static> {
+  api_piece_op(form)
+}
+impl ApiPieceOp for ApiPiecePin {
+  fn op(&self, gs: &mut GameState, player: PlayerId, piece: PieceId,
+        p: &dyn Piece, lens: &dyn Lens) -> Result<PieceUpdateFromOp,ApiPieceOpError> {
+    let pc = gs.pieces.byid_mut(piece).unwrap();
+    let pl = gs.players.byid(player).unwrap();
+    pc.pinned = self.0;
+    let update = PieceUpdateOp::Modify(());
+    let logents = vec![ LogEntry { html: Html(format!(
+      "{} {} {}",
+      &htmlescape::encode_minimal(&pl.nick),
+      if pc.pinned { "pinned" } else { "unpinned" },
+      p.describe_pri(&lens.log_pri(piece, pc)).0
+    ))}];
+    Ok((WhatResponseToClientOp::Predictable,
+     update, logents))
+  }
+}
+
 const DEFKEY_FLIP : UoKey = 'f';
 
 #[derive(Debug,Serialize,Deserialize)]