Add .aasm_states method to get a list of all states for a class

MIT-LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2006 Scott Barron
+Copyright (c) 2008 Scott Barron
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the

Rakefile

@@ -14,7 +14,6 @@ rescue Exception
   nil
 end
 
-# Version
 if `ruby -Ilib -rversion -e "print AASM::VERSION::STRING"` =~ /([0-9.]+)$/
   CURRENT_VERSION = $1
 else

TODO

@@ -4,7 +4,6 @@ Before Next Release:
 * Add automatic persistence hooks for ActiveRecord classes
 * Add #aasm_next_state_for_event
 * Add #aasm_next_states_for_event
-* Add .states
 
 
 Cool ideas from users:

lib/aasm.rb

@@ -20,6 +20,7 @@ module AASM
     alias :initial_state :aasm_initial_state=
     
     def state(name, options={})
+      aasm_states << name unless aasm_states.include?(name)
       self.aasm_initial_state = name unless self.aasm_initial_state
 
       define_method("#{name.to_s}?") do
@@ -28,7 +29,9 @@ module AASM
     end
     
     def event(name, &block)
-      aasm_events[name] = AASM::SupportingClasses::Event.new(name, &block)
+      unless aasm_events.has_key?(name)
+        aasm_events[name] = AASM::SupportingClasses::Event.new(name, &block)
+      end
 
       define_method("#{name.to_s}!") do
         new_state = self.class.aasm_events[name].fire(self)
@@ -41,6 +44,10 @@ module AASM
       end
     end
 
+    def aasm_states
+      @aasm_states ||= []
+    end
+
     def aasm_events
       @aasm_events ||= {}
     end

spec/functional/conversation_spec.rb

@@ -0,0 +1,7 @@
+require File.join(File.dirname(__FILE__), 'conversation')
+
+describe Conversation, 'description' do
+  it '.aasm_states should contain all of the states' do
+    Conversation.aasm_states.should == [:needs_attention, :read, :closed, :awaiting_response, :junk]
+  end
+end