Query foursquare for businesses.

foursquare.rb

namespace :populate do
  desc "Populate data from Foursqaure API"
  task :foursquare => :environment do
    client = Foursquare2::Client.new(:client_id => 'CLIENT_ID', :client_secret => 'CLIENT_SECRET', :api_version => '20140904')

    Cities.data_path = "lib/tasks/cities"
    cities = Cities.cities_in_country('US')

    limit = 5000 # Foursqaure rate limit up to 5,000 userless requests per hour to venues/* endpoints.

    cities.each do |key, city|
      break unless limit > 0
      venues = client.search_venues(:ll => "#{city.latitude},#{city.longitude}", :query => 'Restaurants')["venues"]
      venues.each do |venue|
        Business.find_or_create_by_business_name(venue["name"]) do |business|
          Location.find_or_create_by_id(business.location_id) do |location|
            location.address = venue["location"]["address"]
            location.city = venue["location"]["city"]
            location.state = venue["location"]["state"]
            location.country_code = venue["location"]["cc"]
            location.zipcode = venue["location"]["postalCode"]
          end 
        end
        limit = limit -1
      end
    end
  end
end