Contents

require "conference_tracker/scheduler"

module ConferenceTracker
  class CLI
    HELP_FLAGS = %w[-h --help]
    COL_WIDTH = 23

    def initialize(input, 
                   pipe = STDOUT, 
                   scheduler = Scheduler)
      @input = input
      @pipe = pipe
      @scheduler = scheduler
    end

    def call
      @pipe.puts output
    end

    private def output
      return help if help?
      return unless file?
      talks = File.readlines(@input).map(&:strip)
      @scheduler.new(talks).call
    end

    private def file?
      File.file?(File.expand_path(@input))
    end

    private def help?
      HELP_FLAGS.include?(@input)
    end

    private def help
      [].tap do |h|
        h << %q{Usage: conference_tracker ~/talks.txt}
        h << "    %-#{COL_WIDTH}s Print this help" % "-h --help"
        h << "    %-#{COL_WIDTH}s Load conference talks" % "<path-to-file>"
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
conference_tracker-1.1.1	lib/conference_tracker/cli.rb
conference_tracker-1.1.0	lib/conference_tracker/cli.rb