Location model example

reverse_geocode_example.rb

Loading development environment (Rails 3.2.3)
1.9.3p194 :001 > l = Location.new 'San Francisco'
 => #<Location id: nil, locatable_id: nil, locatable_type: nil, ip: nil, country: "US", state: "California", state_abbreviation: "CA", county: nil, city: "San Francisco", street: nil, address: "San Francisco", zip: "94103", lat: #<BigDecimal:6ea81b0,'0.37775002E2',18(45)>, lng: #<BigDecimal:6ea7f58,'-0.122418297E3',18(45)>, walkscore: nil, transit_score: nil, avg_school_rating: nil, created_at: nil, updated_at: nil> 
1.9.3p194 :002 > ap l
#<Location:0x00000006b82e18> {
                    :id => nil,
          :locatable_id => nil,
        :locatable_type => nil,
                    :ip => nil,
               :country => "US",
                 :state => "California",
    :state_abbreviation => "CA",
                :county => nil,
                  :city => "San Francisco",
                :street => nil,
               :address => "San Francisco",
                   :zip => "94103",
                   :lat => 37.775002,
                   :lng => -122.418297,
             :walkscore => nil,
         :transit_score => nil,
     :avg_school_rating => nil,
            :created_at => nil,
            :updated_at => nil
}
 => #<Location id: nil, locatable_id: nil, locatable_type: nil, ip: nil, country: "US", state: "California", state_abbreviation: "CA", county: nil, city: "San Francisco", street: nil, address: "San Francisco", zip: "94103", lat: #<BigDecimal:70b5a98,'0.37775002E2',18(45)>, lng: #<BigDecimal:70b5868,'-0.122418297E3',18(45)>, walkscore: nil, transit_score: nil, avg_school_rating: nil, created_at: nil, updated_at: nil> 
1.9.3p194 :003 > 
1.9.3p194 :004 >   l = Location.new :lat => 37.775002, :lng => -122.418297
 => #<Location id: nil, locatable_id: nil, locatable_type: nil, ip: nil, country: nil, state: nil, state_abbreviation: nil, county: nil, city: nil, street: nil, address: nil, zip: nil, lat: #<BigDecimal:70c4188,'0.37775002E2',18(45)>, lng: #<BigDecimal:70c3f30,'-0.122418297E3',18(45)>, walkscore: nil, transit_score: nil, avg_school_rating: nil, created_at: nil, updated_at: nil> 
1.9.3p194 :005 > ap l
#<Location:0x000000070bd7c0> {
                    :id => nil,
          :locatable_id => nil,
        :locatable_type => nil,
                    :ip => nil,
               :country => nil,
                 :state => nil,
    :state_abbreviation => nil,
                :county => nil,
                  :city => nil,
                :street => nil,
               :address => "",
                   :zip => nil,
                   :lat => 37.775002,
                   :lng => -122.418297,
             :walkscore => nil,
         :transit_score => nil,
     :avg_school_rating => nil,
            :created_at => nil,
            :updated_at => nil
}
 => #<Location id: nil, locatable_id: nil, locatable_type: nil, ip: nil, country: nil, state: nil, state_abbreviation: nil, county: nil, city: nil, street: nil, address: nil, zip: nil, lat: #<BigDecimal:6dd13e0,'0.37775002E2',18(45)>, lng: #<BigDecimal:6dd11b0,'-0.122418297E3',18(45)>, walkscore: nil, transit_score: nil, avg_school_rating: nil, created_at: nil, updated_at: nil> 
1.9.3p194 :006 > l.zip(true)
 => "94103" 
1.9.3p194 :007 > ap l
#<Location:0x000000070bd7c0> {
                    :id => nil,
          :locatable_id => nil,
        :locatable_type => nil,
                    :ip => nil,
               :country => "US",
                 :state => "California",
    :state_abbreviation => "CA",
                :county => nil,
                  :city => "San Francisco",
                :street => nil,
               :address => "San Francisco, California, 94103",
                   :zip => "94103",
                   :lat => 37.775002,
                   :lng => -122.418297,
             :walkscore => nil,
         :transit_score => nil,
     :avg_school_rating => nil,
            :created_at => nil,
            :updated_at => nil
}
 => #<Location id: nil, locatable_id: nil, locatable_type: nil, ip: nil, country: "US", state: "California", state_abbreviation: "CA", county: nil, city: "San Francisco", street: nil, address: nil, zip: "94103", lat: #<BigDecimal:7077ec8,'0.37775002E2',18(45)>, lng: #<BigDecimal:7077c98,'-0.122418297E3',18(45)>, walkscore: nil, transit_score: nil, avg_school_rating: nil, created_at: nil, updated_at: nil> 
1.9.3p194 :008 > 

Once you create a new location object by setting lat, lng, make a call to zip(true), which will make it fetch details and reverse geocoding takes place