zip_code.rb in earth-1.1.0

- old
+ new

@@ -1,34 +1,36 @@
 require 'earth/model'
 require 'earth/loader'
-Earth::Loader.load_plugins
 
 require 'earth/locality/climate_division'
 require 'earth/locality/country'
 require 'earth/locality/egrid_subregion'
 require 'earth/locality/state'
 require 'earth/electricity/electric_market'
 require 'earth/electricity/electric_utility'
 
+require 'geocoder'
+
 class ZipCode < ActiveRecord::Base
   data_miner do
     process "Ensure Country is imported because it's like a belongs_to association" do
       Country.run_data_miner!
     end
   end
 
   extend Earth::Model
+  extend Geocoder::Model::ActiveRecord
 
   TABLE_STRUCTURE = <<-EOS
 
 CREATE TABLE zip_codes
   (
      name                         CHARACTER VARYING(255) NOT NULL PRIMARY KEY,
      state_postal_abbreviation    CHARACTER VARYING(255),
      description                  CHARACTER VARYING(255),
-     latitude                     CHARACTER VARYING(255),
-     longitude                    CHARACTER VARYING(255),
+     latitude                     FLOAT,
+     longitude                    FLOAT,
      egrid_subregion_abbreviation CHARACTER VARYING(255),
      climate_division_name        CHARACTER VARYING(255),
      population                   INTEGER
   );
 
@@ -41,23 +43,15 @@
   belongs_to :egrid_subregion,  :foreign_key => 'egrid_subregion_abbreviation'
   has_many :electric_markets,   :foreign_key => 'zip_code_name'
   has_many :electric_utilities, :through => :electric_markets
   
   scope :known_subregion, where('egrid_subregion_abbreviation IS NOT NULL')
-  
+
+  reverse_geocoded_by :latitude, :longitude
+
   def country
     Country.united_states
   end
-  
-  # Used by LodgingProperty custom find to find properties near to a zip code
-  def latitude_longitude
-    [latitude, longitude]
-  end
-  
-  # Used by LodgingProperty custom find to find properties near to a zip code
-  acts_as_mappable :default_units => :kilometres,
-                   :lat_column_name => :latitude,
-                   :lng_column_name => :longitude
-  
+
   warn_unless_size 43770
   warn_if_nonexistent_owner_except :egrid_subregion
 end