rails geocode

http://eureka.ykyuen.info/2011/04/08/rails-implementation-of-geocoder-on-model/

1. Add latitude, longitude and address to the User model

• rails generate migration AddLatitudeAndLongitudeAndAddressToUser latitude:float longitude:float address:string

2. Run the migration

• rake db:migrate

3. Add the following lines in app/model/user.rb

1 2	geocoded_by :address after_validation :geocode

4. Try how Geocoder works in Rails Console

1 2 3 4 5 6 7 8 9 10 11

# Get the first user user = User.first # Set the user address field user.address = "Hong Kong" # Generate the user latitude and longitude user.geocode # Check the user latitude and longitude user.latitude.to_s + " " + user.longitude.to_s

http://www.synbioz.com/blog/search_by_location_with_geocoder

location_info = request.location

@locations = Location.near([location_info.latitude, location_info.longitude], radius_distance_you_want_to_include)