Class: ZipToTimezone

Inherits:
Object
  • Object
show all
Defined in:
lib/zip_to_timezone.rb,
lib/zip_to_timezone/version.rb

Constant Summary collapse

MAPPINGS = 
{
  "Hawaii" => ['967', '968'],
  "Alaska" => ['995'..'999'],
  "Pacific Time (US & Canada)" => ['838', '889'..'891', '893'..'898', '90'..'95', '960', '961', '970'..'978', '980'..'986', '988'..'994'],
  "Mountain Time (US & Canada)" => [
    '59', # => MT
    '80', '810'..'816', # => CO
    '82', '830', '831', # => WY
    '832'..'837', # => ID
    '840'..'847', # => UT
    '870'..'875', # => NM
    '882', # => Roswell, NM
    '885', '799', # => El Paso, TX
    '979', # => East OR
    '865', # => North East AZ
    '586', # => West ND
    '577', # => West SD
    '693', # => West NE
    '67733', '67735', '678', # => West KS
  ],
  "Arizona" => ['850'..'853', '855'..'857', '859', '860', '863', '864'],
  "Central Time (US & Canada)" => [
    '733', '750'..'770', '772'..'779', '78', '790'..'798', # => TX
    '730', '731', '734'..'741', '743'..'749', # => OK
    '700', '701', '703'..'708', '710'..'714', # => LA
    '386'..'397', # => MS
    '350'..'352', '354'..'359', '36', # => AL
    '370'..'372', '375', '380'..'385', # => West TN
    '420'..'424', '427', # => West KY
    '716'..'719', '72', # => AR
    '630', '631', '633'..'641', '644'..'658', # => MO
    '660'..'662', '664'..'677', '67862', '679'..'681', # => East KS
    '680', '681', '683'..'692', # => East NE
    '570'..'576', # => East SD
    '50', '510'..'516', '520'..'528', # => IA
    '60', '61', '620', '622'..'629', # => IL
    '530'..'532', '534', '535', '537'..'539', '54', # => WI
    '550', '551', '553'..'567', # => MN
    '580'..'585', '587', '588', # => East ND
    '463', '464', '476', '477', # => West IN
    '49920', '49927', '49911', '49915', '49935', '49938', # => West MI
    '324', '325'# => West FL
  ],
  "Eastern Time (US & Canada)" => [
    '569', '200', '202'..'205', # => DC
    '039', '04', # => ME
    '050'..'054', '056'..'059', # => VT
    '030'..'038', # => NH
    '01', '020'..'027', '055', # => MA
    '028', '029', # => RI
    '06', # => CT
    '005', '10'..'14', # => NY
    '07', '08', # => NJ
    '150'..'196', # => PA
    '206'..'209', '21', # => MD
    '197'..'199', # => DE
    '201', '220'..'246', # => VA
    '247'..'249', '25', '260'..'268', # => WV
    '43'..'45', # => OH
    '48', '49', # => East MI
    '460'..'462', '465'..'475', '478', '479', # => East IN
    '40', '410'..'418', '425', '426', # => East KY
    '373', '374', '376'..'379', # => East TN
    '27', '28', # => NC
    '29', # => SC
    '30', '31', '398', '399', # => GA
    '320'..'323', '326'..'329', '33', '341', '342', '344', '346', '347', '349' # => East FL
  ]
}
VERSION = 
'0.2.0'

Class Method Summary collapse

Class Method Details

.build_mapper ⇒ Object 



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# File 'lib/zip_to_timezone.rb', line 83

def self.build_mapper
  mapper = Containers::Trie.new
  MAPPINGS.each do |tz, value|
    value.map{|v| v.is_a?(Range) ? Array(v) : v}.flatten.each do |zip_prefix|
      mapper.push(zip_prefix, tz)
    end
  end
  return mapper
end

.get_timezone_for(zip) ⇒ Object 



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# File 'lib/zip_to_timezone.rb', line 79

def self.get_timezone_for(zip)
  self.mapper[self.mapper.longest_prefix(zip)]
end

.mapper ⇒ Object 



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# File 'lib/zip_to_timezone.rb', line 75

def self.mapper
  @mapper ||= self.build_mapper
end