Archive creator

script.rb

# frozen_string_literal: true

# CLI tool, accepts user input;
# Saves as txt file
# archives that txt file

require 'pry'
require 'zip'

USER_INPUT_FILENAME = 'user_input.txt'
ARCHIVE_BASE_NAME = 'archive'
ARCHIVE_EXTENSION = '.zip'

class InvalidUserInput < StandardError; end

def process_user_input
  puts 'Please, write something ...'
  user_input = gets.chomp
  puts "Your input: #{user_input}"

  validate_user_input!(user_input)
  create_file!(user_input)
  create_archive!
end

def create_file!(user_input)
  File.open(USER_INPUT_FILENAME, 'a') do |f|
    f.write(user_input)
  end
end

def create_archive!
  archive_name = ARCHIVE_BASE_NAME + Time.now.to_i.to_s + ARCHIVE_EXTENSION
  Zip::File.open(archive_name, Zip::File::CREATE) do |zipfile|
    zipfile.add(USER_INPUT_FILENAME, File.join(USER_INPUT_FILENAME))
  end
end

def validate_user_input!(user_input)
  raise InvalidUserInput if user_input.empty?
end

process_user_input