gistfile1.rb

    
    label_mapping = case state
                    when "abc", "def"
                      "label-success"
                    when "hij", "klm", "opq"
                      "label-important"  
                    ...
                    ...

                    end
  
 
  
 class FooStateLabel
   attr_reader :state

   def initialize(state)
     @state = state
   end

   def label
     send("#{state}_label")
   end

   %w(abc def).each do |state|
     define_method("#{state}_label") do
       "label-success"
     end
   end
  
   ...
 end

 label_mapping = FooStateLabel.new(state).label