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A Rails pagination responder with link header support.
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 Project Readme

Paginate::Responder

Gem GitHub Workflow Status Code Climate maintainability

A Rails pagination responder with link header support.

Installation

Add this line to your application's Gemfile:

gem 'paginate-responder'

And then execute:

$ bundle

Or install it yourself as:

$ gem install paginate-responder

You will also need a pagination gem. PaginateResponder comes with adapters for

It is recommended to use only one pagination gem at once.

Usage

Add Responders::PaginateResponder to your responder chain:

class AppResponder < Responder
  include Responders::PaginateResponder
end

class MyController < ApplicationController
  self.responder = AppResponder
end

Or use it with plataformatec/responders:

class MyController < ApplicationController
  responders Responders::PaginateResponder
end

PaginateResponder will add the following link headers to non HTML responses:

  • first First page's URL.
  • last Last page's URL.
  • next Next page's URL.
  • prev Previous page's URL.

next and prev page links will not be added if current page is first or last page.

Also a X-Total-Pages header will be added with the total number of pages if available and a X-Total-Count header with the total number of items. This allows applications to display a progress bar or similar while fetching pages.

Override page detections and options

You can override the page detection by creating a method page in your controller that returns the page index as a fixnum:

class ApplicationController
  def page
    params[:seite].to_i # seite means page in German
  end
end

Same goes for per_page and max_per_page:

class ApplicationController
  def per_page
    10
  end

  def max_per_page
    25
  end
end

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Add tests for your feature.
  4. Add your feature.
  5. Commit your changes (git commit -am 'Add some feature')
  6. Push to the branch (git push origin my-new-feature)
  7. Create new Pull Request

License

MIT License

Copyright © 2013-2021, Jan Graichen