Error when paginating the results of a complex query with es-model

errors.txt

/home/nono/.gem/ruby/2.1.0/bundler/gems/elasticsearch-rails-fc966380167b/elasticsearch-model/lib/elasticsearch/model/response/pagination.rb:57:in `[]': no implicit conversion of Symbol into Integer (TypeError)
	from /home/nono/.gem/ruby/2.1.0/bundler/gems/elasticsearch-rails-fc966380167b/elasticsearch-model/lib/elasticsearch/model/response/pagination.rb:57:in `offset_value'
	from /home/nono/.gem/ruby/2.1.0/bundler/gems/elasticsearch-rails-fc966380167b/elasticsearch-model/lib/elasticsearch/model/response/pagination.rb:23:in `offset_value'
	from /home/nono/.gem/ruby/2.1.0/gems/kaminari-0.15.1/lib/kaminari/models/page_scope_methods.rb:38:in `current_page'
	from ./es-page.rb:44:in `<main>'

es-page.rb

#!/usr/bin/env ruby

require 'logger'
require 'ansi/core'
require 'jbuilder'
require 'sqlite3'
require 'active_record'
require 'kaminari'
require 'elasticsearch/model'

ActiveRecord::Base.logger = ActiveSupport::Logger.new(STDOUT)
ActiveRecord::Base.establish_connection( adapter: 'sqlite3', database: ":memory:" )

ActiveRecord::Schema.define(version: 1) do
  create_table :people do |t|
    t.string :first_name, :last_name
    t.timestamps
  end
end

Kaminari::Hooks.init

class Person < ActiveRecord::Base
  include Elasticsearch::Model
end

Person.create first_name: 'John',   last_name: 'Smith'
Person.create first_name: 'Robert', last_name: 'Smith'

Person.import(force: true)

Elasticsearch::Model.client.indices.refresh

query = Jbuilder.encode do |json|
  json.query do
    json.simple_query_string do
      json.query "John OR Will"
    end
  end
end

response = Person.search query

puts response.results.current_page

Gemfile

source 'https://rubygems.org'

gem "ansi"
gem "jbuilder"
gem "sqlite3"
gem "activerecord"
gem "kaminari"
gem "elasticsearch-model", :github => "elasticsearch/elasticsearch-rails"

Gemfile.lock

GIT
  remote: git://github.com/elasticsearch/elasticsearch-rails.git
  revision: fc966380167b4dedd07380c4bd6b4a0c40351364
  specs:
    elasticsearch-model (0.1.0.rc1)
      activesupport (> 3)
      elasticsearch (> 0.4)
      hashie

GEM
  remote: https://rubygems.org/
  specs:
    actionpack (4.0.2)
      activesupport (= 4.0.2)
      builder (~> 3.1.0)
      erubis (~> 2.7.0)
      rack (~> 1.5.2)
      rack-test (~> 0.6.2)
    activemodel (4.0.2)
      activesupport (= 4.0.2)
      builder (~> 3.1.0)
    activerecord (4.0.2)
      activemodel (= 4.0.2)
      activerecord-deprecated_finders (~> 1.0.2)
      activesupport (= 4.0.2)
      arel (~> 4.0.0)
    activerecord-deprecated_finders (1.0.3)
    activesupport (4.0.2)
      i18n (~> 0.6, >= 0.6.4)
      minitest (~> 4.2)
      multi_json (~> 1.3)
      thread_safe (~> 0.1)
      tzinfo (~> 0.3.37)
    ansi (1.4.3)
    arel (4.0.2)
    atomic (1.1.14)
    builder (3.1.4)
    elasticsearch (1.0.0)
      elasticsearch-api (= 1.0.0)
      elasticsearch-transport (= 1.0.0)
    elasticsearch-api (1.0.0)
      multi_json
    elasticsearch-transport (1.0.0)
      faraday
      multi_json
    erubis (2.7.0)
    faraday (0.9.0)
      multipart-post (>= 1.2, < 3)
    hashie (2.0.5)
    i18n (0.6.9)
    jbuilder (2.0.2)
      activesupport (>= 3.0.0)
      multi_json (>= 1.2.0)
    kaminari (0.15.1)
      actionpack (>= 3.0.0)
      activesupport (>= 3.0.0)
    minitest (4.7.5)
    multi_json (1.8.4)
    multipart-post (2.0.0)
    rack (1.5.2)
    rack-test (0.6.2)
      rack (>= 1.0)
    sqlite3 (1.3.8)
    thread_safe (0.1.3)
      atomic
    tzinfo (0.3.38)

PLATFORMS
  ruby

DEPENDENCIES
  activerecord
  ansi
  elasticsearch-model!
  jbuilder
  kaminari
  sqlite3

#42 : Due to the problem in the gem, you have to pass the query as a Hash with symbolised keys to the search method:

response = Person.search MultiJson.load(query, symbolize_keys: true)

This will be fixed.
#44 : You have to call the page method, a la> response.page(1).results.to_a