Contents

# -*- encoding: utf-8 -*-
module Wasserstand
  # http://blog.steveklabnik.com/posts/2012-09-09-random-ruby-tricks--class-new
  IllegalValueError = Class.new(StandardError)

  class Trend
    def initialize(value)
      @value = {'gleich'    => :gleichbleibend,
                'steigend'  => :steigend,
                'fallend'   => :fallend,
                'unbekannt' => :unbekannt}[UnicodeUtils.downcase(value.to_s)]

      raise IllegalValueError, "Unknown trend #{value.inspect}" unless @value
    end

    def symbol
      {:gleichbleibend => '⬄',
       :steigend       => '⬀',
       :fallend        => '⬂',
       :unbekannt      => '?'}[@value]
    end

    def to_s
      @value.to_s
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
wasserstand-0.0.11	lib/wasserstand/trend.rb
wasserstand-0.0.10	lib/wasserstand/trend.rb
wasserstand-0.0.9	lib/wasserstand/trend.rb
wasserstand-0.0.8	lib/wasserstand/trend.rb