controller.rb

class CustomersController < ApplicationController
    include CustomersHelper

    def lookup_phone
        customer_data = Customer.customer_data_by_type('phone', params[:PhoneNumber])
        reset_device(customer_data)
        Customer.customer_data_to_json(customer_data)
    end

    def lookup_account_id
        customer_data = Customer.customer_data_by_type('account_id', params[:AccountID])
        reset_device(customer_data)
        Customer.customer_data_to_json(customer_data)
    end
end

customer.rb

class Customer < ActiveRecord::Base
  
  def self.customer_data_by_type(type, param)
    Customer.send("lookup_#{type}", param)
  end
  
  def self.customer_data_to_json(objects)
    if objects.blank?
        objects += @match_not_found
    else
        objects = objects.map{|c| [c.match_found = true, c.transfer_flag = false, c.reset_url = Customer.obtain_url(c)]}         
    end

    objects.to_json(:methods => [:transfer_flag, :match_found, :reset_url])
  end
  
end

customers_helper.rb

module CustomersHelper
    def reset_device(customer_data)

        url_list = []

        customer_data.each_with_index do |e, index|
            url_list << e.reset_url
        end

        responses = []

        url_list.each do |url|
            responses << RestClient::Request.execute(method: :get, url: url)
        end

        @success = []
        @failing = []

        responses.zip(customer_data).each do |res, customer|
            data = Hash.from_xml(res)
            cust_string = "Account Code: #{customer['AccountCode']}, Serial Number: #{customer['sSerialNumber']}"  
            if (data['string']['xmlns'] == "http://localhost/CHRPPVWS/")
                @success << cust_string
            else
                @failing << cust_string
            end
        end
    end
end