Add pagination to your posts


Alan Vardy
 bootstrap  rails  ruby

For this post I will be adding pagination with will_paginate and styling with Bootstrap

Add the gems to your Gemfile

# Gemfile

gem 'will_paginate'
gem 'bootstrap-will_paginate'

and install

bundle install

Add this code to the top of your posts controller to allow will_paginate to process arrays. You will need this in order… to order your posts (see what I did there?).

# posts_controller.rb

require 'will_paginate/array'

Replace your post controller’s index method

# posts_controller.rb

  def index
    @posts = Post.all.order(created_at: :desc).paginate(page: params[:page], per_page: 3)

Add pagination to your posts index. This code requires that you use a partial called _post.html.erb in the same directory.

<!–– posts/index.html.erb ––>

<h1>Latest Posts</h1>
<%= will_paginate %>
<%= render @posts %>
<%= will_paginate %>

Add some sweet Sass to separate the pagination links and turn the current page link bold.

// application.scss
.pagination {
  li {
  margin-right: 10px;

  .active {
    font-weight: bold;
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