base_creator.rb

class BaseCreator < Creators::Base

EXTRA_PARAMS = [:action, :controller, :format,:utf8,:authenticity_token]

  def initialize(raw_params, model)
    super(raw_params,model)
  end

  def refine_params
    @params.deep_symbolize_keys.delete_if{|k,v| EXTRA_PARAMS.include? k }
  end

  private
   
  #define: This will remove extra spaces from params.
  #TODO: Remove password and other sensible fields.
  def strip_params params
    case params
      when Array
        params.map { |v| strip_params(v) }
      when Hash
        Hash[params.map { |k, v| [k, strip_params(v)] }]
      when String
        params.strip!
    end
  end

  #define: This method will convert truth values(1,0,"t","f") into boolean values.
  def convert_params params
    bool_params = convert_to_bool params
    params.replace(bool_params) if params.is_a?(Hash)
    params
  end

  def convert_to_bool params
    case params
      when Array
        params.map { |v| convert_to_bool(v) }
      when Hash
        Hash[params.map { |k, v| [k, convert_to_bool(v)] }]
      when String
        to_bool(params)
    end
  end

  def to_bool val
    return true if ['true', 'yes', 'on', 't'].include? val
    return false if ['false', 'no', 'off', 'f'].include? val
    return val
  end
end

profile_creator.rb

class ProfileCreator < BaseCreator
  def initialize(raw_params,profile)
    super(raw_params, profile)
  end

  def refine_params # optional
    super
    strip_params(@params)
    convert_params(@params['profile']['settings'])
  end
end

profiles_controller.rb

class ProfilesController < ApplicationController
  before_filter :new_user_profile, :only=>[:new, :create]

  def new
  end

  def create
    #params {"utf8"=>"✓", "authenticity_token"=>"PV3s45++WCzqw6pTAikXC6NINcERtcxzBdY+CI3lXfc=", "profile"=>{"first_name"=>"fname ", "last_name"=>"last name   ", "address1"=>" Address1 ", "address2"=>"Address 2", "city"=>"Pune", "state"=>"7", "zip"=>"411067", "phone_number"=>"1234567890","settings"=> {"private"=>"true","visible"=>"0"}}, "commit"=>"Next"}
    ProfileCreator.new(params,@profile).save    
  end


  private
  def new_user_profile
    @profile = current_user.build_profile
  end
end