a pairing interview for Recurse

binary_printer.rb

require_relative "./printer"

class BinaryPrinter < Printer
  def render
    raise NotImplementedError
  end
end

clock.rb

#! /usr/bin/env ruby
require "paint"
require "datetime"
require_relative "./text_printer"

class Clock
  attr_reader :time

  def initialize(time_string)
    @time = DateTime.parse(time_string)
  end

  def to_s
    time.strftime("%H:%M:%S")
  end
end

clock = Clock.new(Time.now)
TextPrinter.new(clock.to_s).draw
BinaryPrinter.new(clock.to_s).draw

Gemfile

source "https://rubygems.org"
ruby "2.5.0"

gem "paint"

printer.rb

class Printer
  attr_reader :text
  def initialize(text)
    @text = text
  end

  def draw
    puts render
  end
end

text_printer.rb

require_relative './printer'

class TextPrinter < Printer
  def render
    raise NotImplementedError
  end

  def digits
    @digits ||= {
      "0": %w(
        .xxx.
        x...x
        x...x
        x...x
        .xxx.
      ),
      "1": %w(
        xxx..
        ..x..
        ..x..
        ..x..
        xxxxx
      ),
      "2": %w(
        .xxx.
        x...x
        ..xx.
        .x...
        xxxxx
      ),
      "3": %w(
        xxxx.
        ....x
        xxxx.
        ....x
        xxxx.
      ),
      "4": %w(
        x..x.
        x..x.
        xxxxx
        ...x.
        ...x.
      ),
      "5": %w(
        xxxxx
        x....
        xxxx.
        ....x
        xxxx.
      ),
      "6": %w(
        .xxx.
        x....
        xxxx.
        x...x
        .xxx.
      ),
      "7": %w(
        xxxxx
        ....x
        ...x.
        ..x..
        .x...
      ),
      "8": %w(
        .xxx.
        x...x
        .xxx.
        x...x
        .xxx.
      ),
      "9": %w(
        .xxx.
        x...x
        .xxxx
        ....x
        .xxx.
      )
    }
  end
end