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Contents
require 'active_support/concern'
module Brightcontent
module BaseControllerExt
module Pagination
extend ActiveSupport::Concern
included do
helper_method :items_per_page
helper_method :current_page
helper_method :page_sizes
helper_method :corrected_page
helper_method :page_sizes_visible?
end
module ClassMethods
def per_page_count
@page_size = page_sizes.min
end
def per_page(number)
@page_sizes = [number]
end
def page_size_options(sizes)
return unless sizes.is_a? Array
@page_sizes = sizes
end
def page_sizes
@page_sizes ||= [30]
end
end
private
def items_per_page
per_page = params[:per_page].try(:to_i)
@items_per_page =
if per_page && page_sizes.include?(per_page)
per_page.to_i
else
self.class.per_page_count
end
end
def page_sizes_visible?(collection)
total_entries = collection.count
if total_entries.respond_to?(:size) && !total_entries.is_a?(Integer)
total_entries = total_entries.size
end
page_sizes.length > 1 && total_entries > page_sizes.min
end
def current_page
params[:page].try(:to_i) || 1
end
def corrected_page(size)
(current_page - 1) * items_per_page / size + 1
end
def page_sizes
self.class.page_sizes
end
def collection
if action_name == "index" && items_per_page > 0
super.paginate(page: params[:page], per_page: items_per_page)
else
super
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems