Contents

class String
	def integeri?
		return true if self =~ /^[1-9]\d*(\.\d+)?$/
	end
end

module TippyMun
	class Builder
		def initialize :total, :quantity
			@total = total
			@gratuity = gratuity
		end
		
		def generate
			return calculation if number_based?
			string_based?
		end

		def number_based?
			(@gratuity.is_a? Numeric) || (@gratuity.integer?)
		end

		def string_based
			case @gratuity.downcase
				when 'high'			then calculation 25 
				when 'standard'	then calculation 18 
				when 'low'			then calculation 15 
			end
		end

		def calculation gratuity = @gratuity
			@total += @total * (@quantity.to_f / 100)
		end
	end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
tippy_mun-0.1.1	lib/tippy_mun/builder.rb