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Contents
# encoding: utf-8
module Mongoid #:nodoc:
module Contexts #:nodoc:
module Paging
# Paginates the documents.
#
# Example:
#
# <tt>context.paginate(:page => 6, :per_page => 25)</tt>
#
# Returns:
#
# A collection of documents paginated.
# All previous <tt>limit</tt> and <tt>skip</tt> call will be ignored.
def paginate(pager_options={})
if pager_options[:per_page]
options[:limit] = pager_options[:per_page].to_i
if pager_options[:page]
options[:skip] = (pager_options[:page].to_i - 1) * pager_options[:per_page].to_i
end
end
@collection ||= execute(true)
WillPaginate::Collection.create(page, per_page, count) do |pager|
pager.replace(@collection.to_a)
end
end
# Either returns the page option and removes it from the options, or
# returns a default value of 1.
#
# Returns:
#
# An +Integer+ page number.
def page
skips, limits = options[:skip], options[:limit]
(skips && limits) ? (skips + limits) / limits : 1
end
# Get the number of results per page or the default of 20.
#
# Returns:
#
# The +Integer+ number of documents in each page.
def per_page
(options[:limit] || 20).to_i
end
end
end
end
Version data entries
36 entries across 36 versions & 7 rubygems