populate_br.rb

# Creditos: https://github.com/celsodantas/br_populate
# Models: City - State

require 'net/http'
require 'net/https' # for ruby 1.8.7
require 'json'

def states
  http = Net::HTTP.new('raw.githubusercontent.com', 443); http.use_ssl = true
  JSON.parse http.get('/zigotto/br_populate/master/states.json').body
end

def capital?(city, state)
  city == state["capital"]
end

ActiveRecord::Base.transaction do
  states.each do |state|
    state_obj = State.find_or_create_by(acronym: state["acronym"], name: state["name"])
    state["cities"].map { |city| City.find_or_create_by(name: city, state: state_obj, capital: capital?(city, state)) }
  end
end