work in progress event_manager

event_manager.rb

# Dependencies
require "csv"

# Class Definition
class EventManager
  attr_reader :file
  INVALID_ZIPCODE = "00000"

  def initialize
    puts "EventManager Initialized."
    filename = "event_attendees.csv"
    @file = CSV.open(filename, {:headers => true, :header_converters => :symbol})
  end

  def print_names
    @file.each do |line|
      puts line.inspect
      # puts line[2]
    end
  end

  def print_numbers
    @file.each do |line|
      number = clean_number(line[:homephone])
      puts number
    end
  end

  def clean_number(dirty_number)
    new_number = dirty_number.gsub(/\D/,'')

    if new_number.length == 10
      #Nada
    elsif new_number.length == 11
      if new_number.start_with?("1")
        new_number = new_number[1..-1]
      else
        new_number = "0000000000"
      end
    else
      new_number = "0000000000"
    end

    new_number
  end

  def print_zipcodes
    @file.each do |line|
      zipcode = clean_zipcode(line[:zipcode])
      puts zipcode
    end
  end

  def clean_zipcode(dirty_zip)
    if dirty_zip.to_s.length < 5
      if dirty_zip.to_s.rjust(5, "0") == "00000"
        INVALID_ZIPCODE
      else
        dirty_zip.to_s.rjust(5, "0")
      end
    else
      dirty_zip
    end
  end

  def output_data
    output = CSV.open("event_attendees_clean.csv", "w")
    @file.each do |line|
      if @file.lineno == 2
        output << line.headers
      else
        line[:homephone] = clean_number(line[:homephone])
        line[:zipcode]   = clean_zipcode(line[:zipcode])
        output << line
      end
    end
  end

end

# Script
manager = EventManager.new
# manager.print_names
# manager.print_numbers
# manager.print_zipcodes
manager.output_data