Merge pull request medihack#5 from acmetech/master

Add available_flags as a class method

README.rdoc

@@ -61,7 +61,7 @@ migrate the database
 
   # Get the flagging with a specified flag.
   article.flaggings.with_flag(:flag_name)
-  
+
   # Get the flagger of the flagging.
   flagging = article.flaggings.with_flag(:flag_name).first
   user = flagging.flagger
@@ -78,6 +78,12 @@ migrate the database
   # Flaggings can also be accessed by its flagger.
   flagger.flaggings or flagger.flaggings.with_flag(:flag_name)
 
+  # Get the available flags for a flaggable
+  article.available_flags
+
+  # Get the available flags for a flaggable class
+  Article.available_flags
+
 == Testing
 
 MakeFlaggable uses RSpec for testing and has a rake task for executing the provided specs

lib/make_flaggable.rb

@@ -21,7 +21,11 @@ def flagger?
   # end
   def make_flaggable(*flags)
     raise MakeFlaggable::Exceptions::MissingFlagsError.new if flags.empty?
-    define_method(:available_flags) { flags.map(&:to_sym) }
+    @flags = flags.map!(&:to_sym)
+    # Add available_flags as an instance method
+    define_method(:available_flags) { flags }
+    # Add available_flags as a class method
+    instance_eval { def available_flags; @flags; end }
     include Flaggable
   end