From cfb5479a8ded1b7ab829cf02155e43e54c4bc725 Mon Sep 17 00:00:00 2001
From: Ahmed AbdelHalim <347712+a14m@users.noreply.github.com>
Date: Mon, 10 Dec 2018 15:19:23 +0100
Subject: [PATCH] Update InvalidTransition to include state_machine_name

For easier debugging and error handling for models with multiple state_machines.
This non-breaking change add the state_machine name to the attributes of the InvalidTransition error
---
 lib/aasm/errors.rb | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/aasm/errors.rb b/lib/aasm/errors.rb
index 751fd35..6950699 100644
--- a/lib/aasm/errors.rb
+++ b/lib/aasm/errors.rb
@@ -3,10 +3,11 @@ module AASM
   class UnknownStateMachineError < RuntimeError; end
 
   class InvalidTransition < RuntimeError
-    attr_reader :object, :event_name, :originating_state, :failures
+    attr_reader :object, :event_name, :originating_state, :failures, :state_machine
 
     def initialize(object, event_name, state_machine_name, failures = [])
       @object, @event_name, @originating_state, @failures = object, event_name, object.aasm(state_machine_name).current_state, failures
+      @state_machine = state_machine_name
       super("Event '#{event_name}' cannot transition from '#{originating_state}'.#{reasoning}")
     end