gistfile1.rb

#!/usr/bin/ruby
require '/onramp/bootstrap.rb'

def say(s)
	puts "\e[1m#{s}"
end

module Cmdlets
	
	class Add
		def self.validate(u, p)
			u && p
		end
		
		def self.usage
			"username password"
		end
		
		def self.run(u, p)			
			User.create! :username => u, :password => p
			say "Added new user: #{u}"
		end
	end
	
	class Default
		def self.run
			say "Usage: onramp_user cmdlet [args...]\n\n"
			say "Cmdlets:"
			(Cmdlets.constants - [:Default]).each do |cmdlet|
				say "  onramp_user #{cmdlet.downcase} #{Cmdlets.const_get(cmdlet).respond_to?(:usage) ? Cmdlets.const_get(cmdlet).usage : ""}"
			end
		end
	end
	
	def self.const_missing(cmdlet)
		say "Unknown cmdlet '#{cmdlet}'\e[0m"
		exit
	end
end

cmdlet = Cmdlets.const_get(ARGV.first ? ARGV.first.capitalize.to_sym : :Default)
args = ARGV[1, ARGV.length-1]

if cmdlet.respond_to?(:validate) && (cmdlet.method(:validate).arity > args.length || !cmdlet.validate(*args))
	say "Usage: onramp_user #{ARGV.first.downcase} #{cmdlet.usage} \e[0m"
	exit
end

cmdlet.run(*args)
puts "\e[0m"