feat: gamemaster

gamemaster/internal/api/internalhttp/handlers/invalidatememberships.go

@@ -0,0 +1,25 @@
+package handlers
+
+import "net/http"
+
+// newInvalidateMembershipsHandler returns the handler for
+// `POST /api/v1/internal/games/{game_id}/memberships/invalidate`. The
+// underlying cache invalidation is a fire-and-forget local operation,
+// so the handler always responds with `204 No Content` once the path
+// parameter validates.
+func newInvalidateMembershipsHandler(deps Dependencies) http.HandlerFunc {
+	return func(writer http.ResponseWriter, request *http.Request) {
+		if deps.InvalidateMemberships == nil {
+			writeError(writer, http.StatusInternalServerError, errorCodeInternal, "membership cache invalidator is not wired")
+			return
+		}
+
+		gameID, ok := extractGameID(writer, request)
+		if !ok {
+			return
+		}
+
+		deps.InvalidateMemberships.Invalidate(gameID)
+		writeNoContent(writer)
+	}
+}