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Contents
require 'yaml'
module Geokit
# Contains a class method geocode_ip_address which can be used to enable automatic geocoding
# for request IP addresses. The geocoded information is stored in a cookie and in the
# session to minimize web service calls. The point of the helper is to enable location-based
# websites to have a best-guess for new visitors.
module IpGeocodeLookup
# Mix below class methods into ActionController.
def self.included(base) # :nodoc:
base.extend ClassMethods
end
# Class method to mix into active record.
module ClassMethods # :nodoc:
def geocode_ip_address(filter_options = {})
before_filter :store_ip_location, filter_options
end
end
private
# Places the IP address' geocode location into the session if it
# can be found. Otherwise, looks for a geo location cookie and
# uses that value. The last resort is to call the web service to
# get the value.
def store_ip_location
session[:geo_location] ||= retrieve_location_from_cookie_or_service
cookies[:geo_location] = { :value => session[:geo_location].to_yaml, :expires => 30.days.from_now } if session[:geo_location]
end
# Uses the stored location value from the cookie if it exists. If
# no cookie exists, calls out to the web service to get the location.
def retrieve_location_from_cookie_or_service
return YAML.load(cookies[:geo_location]) if cookies[:geo_location]
location = Geocoders::MultiGeocoder.geocode(get_ip_address)
return location.success ? location : nil
end
# Returns the real ip address, though this could be the localhost ip
# address. No special handling here anymore.
def get_ip_address
request.remote_ip
end
end
end
Version data entries
147 entries across 147 versions & 10 rubygems