Example will_paginate renderer that avoids rendering high page numbers

no_last_pages.rb

require 'action_view'
require 'will_paginate/view_helpers/action_view'
require 'will_paginate/collection'

current_page = 10
total_pages = 31

class NoLastPages < WillPaginate::ActionView::LinkRenderer
  # Make sure no page links are rendered after the `:gap` item that follows
  # the current page number.
  def pagination
    seen_current = seen_gap = false
    super.reject do |item|
      if item == current_page then seen_current = true
      elsif seen_current && item == :gap then seen_gap = true
      end
      seen_gap && item.is_a?(Fixnum)
    end
  end
end

collection = WillPaginate::Collection.new(current_page, 1, total_pages)
template = Object.new
def template.will_paginate_translate(*) yield end
def template.url_for(params) "/page/#{params[:page]}" end

options = {
  param_name: :page,
  page_links: true,
  link_separator: "\n",
  inner_window: 4,
  outer_window: 1,
}

renderer = NoLastPages.new
renderer.prepare(collection, options, template)
puts renderer.to_html