Class: ZipCode

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
lib/zip_code.rb

Class Method Summary collapse

Class Method Details

.importObject



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# File 'lib/zip_code.rb', line 16

def self.import
  spinner = TTY::Spinner.new('[:spinner] Retrieving zip codes from database')
  spinner.auto_spin

  spinner = TTY::Spinner.new('[:spinner] :message')
  spinner.update message: 'Retrieving zip codes from database'
  data = {}
  ZipCode.distinct(:ZipCode).find_each do |zip|
    next if zip.time_zone.blank? || zip.day_light_saving.blank?

    data[zip.zip_code] ||= {}
    data[zip.zip_code][:tz] ||= begin
      if zip.state == 'AZ' && zip.day_light_saving == 'N'
        'America/Phoenix'
      elsif zip.state == 'AK' && zip.time_zone == '10'
        'America/Adak'
      else
        Ziptz::TZ_INFO[zip.time_zone][:name]
      end
    end
    data[zip.zip_code][:dst] ||= zip.day_light_saving
  end
  spinner.update message: "Retrieving zip codes from database (#{data.size} records)"
  spinner.success

  spinner = TTY::Spinner.new('[:spinner] :message')
  spinner.update message: 'Writing tz.data'
  spinner.auto_spin
  lines = data.map { |k, v| "#{k}=#{v[:tz]}" }
  lines.sort!
  File.open('data/tz.data', 'w') do |f|
    lines.each { |line| f.puts line }
  end
  spinner.update message: "Writing tz.data (#{File.size('data/tz.data')} bytes)"
  spinner.success
  # puts File.size('data/tz.data').to_s

  spinner = TTY::Spinner.new('[:spinner] :message')
  spinner.update message: 'Writing dst.data'
  spinner.auto_spin
  lines = data.map { |k, v| "#{k}=#{v[:dst] =~ /y/i ? 1 : 0}" }
  lines.sort!

  File.open('data/dst.data', 'w') do |f|
    lines.each { |line| f.puts line }
  end
  spinner.update message: "Writing dst.data (#{File.size('data/dst.data')} bytes)"
  spinner.success
rescue StandardError
  spinner && spinner.error
  raise
end