class Postcode

Public Instance Methods

find_by_postcode(postcode) click to toggle source
# File lib/turkish_cities/postcode.rb, line 11
def find_by_postcode(postcode)
  check_input_range(postcode, 1010, 81_952)

  city_name = City.new.find_by_id(postcode.to_i / 1000)
  city_file = create_district_list(city_name)

  city_file.each do |district|
    district_name = district[0]
    district[1].each do |subdistrict|
      return [city_name, district_name, subdistrict[0]] if subdistrict[1]['postcode'] == postcode.to_i
    end
  end
  postcode_not_found_error(postcode)
end