require File.dirname(__FILE__) + '/states' module AddressableRecord class Address attr_reader :raw_street, :streets, :city, :state_or_province, :zip_code, :country @@street_delimiter ||= '###' @@zip_code_delimiter ||= '-' @@patterns ||= { :us_long => "%s, %c, %S %z %C", :us => "%s, %c, %S %z" } def initialize( attrs ) raise 'Initilaizer argument must be an attributes hash.' unless attrs.is_a?( Hash ) @city, @state_or_province, @country = attrs[:city], attrs[:state_or_province], attrs[:country] @streets = AddressableRecord::Address.parse_street( attrs[:raw_street] || '' ) raw_zip = (attrs[:raw_zip_code] || '') @zip_code = raw_zip.size == 5 ? raw_zip : raw_zip.gsub( /(\d{5})(\d{4})/, "\\1#{@@zip_code_delimiter}\\2" ) @pattern_map = { '%s' => @streets.join( ', ' ) || "", '%1' => @streets[0] || "", '%2' => @streets[1] || "", '%3' => @streets[2] || "", '%4' => @streets[3] || "", '%5' => @streets[4] || "", '%c' => @city || "", '%S' => @state_or_province || "", '%z' => @zip_code || "", '%C' => @country || "" } self.freeze end def self.street_delimiter @@street_delimiter end def state @state_or_province end def province @state_or_province end def street( delimiter=', ' ) return @streets.nil? ? '' : @streets.join( delimiter ) end def self.parse( address ) raise "Cannot convert #{address.class.to_s.downcase} to an AddressableRecord::Address" unless [Array, Hash].include?( address.class ) self.send( :"parse_#{address.class.to_s.downcase}", address ) end def self.convert( address ) #:nodoc: parse( address ) end def self.parse_street( street ) #:nodoc: return street.split( @@street_delimiter ) end # Outputs a address based on pattern provided. # # Symbols: # %s - street # %c - city # %S - state # %z - zip code # %C - country # def to_s( pattern=nil ) to_return = pattern.is_a?( Symbol ) ? @@patterns[pattern] : pattern to_return = @@patterns[:us] if to_return.nil? || to_return.empty? @pattern_map.each { |pat, replacement| to_return = to_return.gsub( pat, replacement ) } to_return.strip end # Outputs the parts of teh address delimited by specified delimiter(s). # # *parameters* # opts:: Can be a string that is the delimiter or an an options hash. # # *options* # delimiter:: The string to delimit the address with. # street_delimiter:: An additional delimiter to use only on the street fields. # country:: Outputs the country when true, otherwise no country is output (defaults to false). # def join( opts ) if opts.is_a?( Hash ) options = opts options[:street_delimiter] ||= options[:delimiter] elsif opts.is_a?( String ) options = {} options[:street_delimiter] = options[:delimiter] = opts options[:country] = false end to_return = "#{self.street( options[:street_delimiter] )}#{options[:delimiter]}#{self.city}, #{self.state_or_province} #{self.zip_code}" return options[:country] ? to_return + "#{options[:delimiter]}#{self.country}" : to_return end protected def raw_street #:nodoc: return @streets.nil? ? '' : @streets.join( @@street_delimiter ) #@streets.join( @@street_delimiter ) end def raw_zip_code #:nodoc: return @zip_code.nil? ? '' : @zip_code.gsub( /#{@@zip_code_delimiter}/, '' ) end class << self private def parse_array( address_elements ) #:nodoc: state_pos = find_state_position( address_elements ) raise 'Cannot parse address array. Failed to find a state.' if state_pos.nil? raise 'Cannot parse address array. No zip code found.' unless address_elements.size >= (state_pos + 1) state = States.by_abbreviation.has_key?( address_elements[state_pos] ) ? address_elements[state_pos] : States.by_name[address_elements[state_pos]] zip_code = address_elements[state_pos+1].gsub( /#{@@zip_code_delimiter}/, '' ) country = address_elements.size >= (state_pos + 3) ? address_elements[state_pos+2] : 'U.S.A.' city = address_elements[state_pos-1] streets = [] (0..state_pos-2).each { |i| streets << address_elements[i] } street = streets.join( @@street_delimiter ) return AddressableRecord::Address.new( :raw_street => street, :city => city, :state_or_province => state, :raw_zip_code => zip_code, :country => country ) end def parse_hash( address ) return AddressableRecord::Address.new( address ) end def find_state_position( address_elements ) # Look for state abbreviation possible_abbreviation_positions = find_possible_state_abbrev_positions( address_elements ) state_index = possible_abbreviation_positions.detect { |i| States.by_abbreviation.has_key?( address_elements[i] ) } return state_index unless state_index.nil? # Look for state name (0..address_elements.size-1).detect { |i| States.by_name.has_key?( address_elements[i] ) } end def find_possible_state_abbrev_positions( address_array ) positions = [] address_array.each_with_index { |str, i| positions << i if str.size == 2 } positions end end end end