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Contents
# The Pagination filter extracts segments matching /page/:page from the end of
# the recognized url and exposes the page parameter as params[:page]. When a
# url is generated the filter adds the segments to the url accordingly if the
# page parameter is passed to the url helper.
#
# incoming url: /products/page/1
# filtered url: /products
# params: params[:page] = 1
#
# You can install the filter like this:
#
# # in config/routes.rb
# Rails.application.routes.draw do
# filter :pagination
# end
#
# To make your named_route helpers or url_for add the pagination segments you
# can use:
#
# products_path(:page => 1)
# url_for(:products, :page => 1)
module RoutingFilter
class Pagination < Filter
PAGINATION_SEGMENT = %r(/page/([\d]+)/?$)
def around_recognize(path, env, &block)
page = extract_segment!(PAGINATION_SEGMENT, path)
yield(path, env).tap do |params|
params[:page] = page.to_i if page
end
end
def around_generate(params, &block)
page = params.delete(:page)
yield.tap do |result|
append_segment!(result, "page/#{page}") if append_page?(page)
end
end
protected
def append_page?(page)
page && page.to_i != 1
end
end
end
Version data entries
11 entries across 11 versions & 4 rubygems