Minimal Pagination Example (Rails + Ember)

README.md

Minimal Paginaton Example (Rails + Ember)

Gemfile

ruby '1.9.3'
source 'https://rubygems.org'

gem 'rails', '3.2.13'

group :assets do
  gem 'sass-rails',   '~> 3.2.3'
  gem 'coffee-rails', '~> 3.2.1'
  gem 'uglifier', '>= 1.0.3'
end

gem 'jquery-rails'
gem 'pg'

gem 'active_model_serializers'
gem 'will_paginate'

main.coffee

App.Store = DS.Store.extend
  revision: 11
  adapter: 'Em.PaginationAdapter'

pagination.coffee

DS.Model.reopenClass
  loadMore: ->
    page = DS.defaultStore.typeMapFor(@).metadata.page + 1
    @find(page: page)

Em.ArrayController.reopen
  modelClass: ->
    @$firstObject.constructor
  showMore: ->
    @modelClass().loadMore()

serializer = DS.RESTSerializer.create()

Em.PaginationAdapter = DS.RESTAdapter.reopen
  serializer: serializer

serializer.configure
  total: 'total'
  last_dt: 'last_dt'
  total_pages: 'total_pages'
  page: 'page'

posts.handlebars

{{#each post in controller}}
  {{render post post}}
{{/each}}

<a href="#" {{action showMore}}>Show More</a><br>

posts_controller.rb

class PostsController < ApplicationController
  def index
    @posts = Post.all.paginate(:page => (params[:page] || 1), :per_page => 5)
    render :json => @posts, :meta => {:total_pages => collection.total_pages, :page => (params[:page] || 1).to_i}
  end
end