Module: Bauk::Utils::UserInput

Defined in:
lib/bauk/utils/user_input.rb

Overview

This mixin is used to allow user input through a series of methods. It relies upon Data as it uses the interactive mode to decide whether to

throw an error/return default value if present, or ask user for input.

Instance Method Summary collapse

Instance Method Details

#ask(question, options, map = {}) ⇒ Object 



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# File 'lib/bauk/utils/user_input.rb', line 28

def ask(question, options, map = {})
  map.default_value(max_tries: 5)
  question << " [#{map[:default]}]" if map.key? :default
  question << ' :'
  if options.is_a? Array
    options = options.map do |o|
      [o, []]
    end.to_h
  end
  try = 0
  while map[:max_tries] != try # So if 0 is passed, it goes indefinitely
    try += 1
    ans = user_input(question)
    options.each do |option, aliases|
      return option if ans == option || ans =~ /^#{option}$/

      aliases.each do |a|
        return option if ans =~ /^#{a}$/
      end
    end
    return map[:default] if map.key?(:default) && ans == ''

    puts 'Options:'
    options.each { |o, a| puts " - #{o} #{a.empty? ? '' : ": #{a.join ', '}"}" }
  end
  raise "Ran out of tries (#{try})."
end

#askYN(question, default = nil) ⇒ Object 



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# File 'lib/bauk/utils/user_input.rb', line 15

def askYN(question, default = nil)
  default = data.get_with_default(:default_yn, nil) if default.nil?
  loop do
    ans = user_input("#{question} y/n #{case default
                                        when true then '[y]'
                                        when false then '[n]'
                                        end}: ", default: default)
    return default if (ans == '') && !default.nil?
    return true  if /^y(es)*$/i =~ ans
    return false if /^n(o)*$/i  =~ ans
  end
end

#user_input(question, map = {}) ⇒ Object

This def needs to be kept inside Data to prevent a circular dependency



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# File 'lib/bauk/utils/user_input.rb', line 57

def user_input(question, map = {})
  data.user_input(question, map)
end