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Contents
module Shamu
module Entities
class ListScope
# Include paging parsing and attributes. Adds the following attributes
# to the list scope:
#
# ```
# class UsersListScope < Shamu::Entities::ListScope
# include Shamu::Entities::ListScope::Paging
# end
#
# scope = UsersListScope.coerce!( params )
# scope.page # => 1
# scope.per_page # => 25
# ```
module Paging
# ============================================================================
# @!group Attributes
#
# @!attribute page
# @return [Integer] the current page number. 1 based.
# @!attribute per_page
# @return [Integer] number of records per page.
# @!attribute default_per_page
# @return [Integer] default number of records per page if not provided.
#
# @!endgroup Attributes
def self.included( base )
super
base.attribute :page, coerce: :to_i
base.attribute :per_page, coerce: :to_i, default: ->() { default_per_page }
base.attribute :default_per_page, coerce: :to_i, serialize: false
end
# @return [Boolean] true if the scope is paged.
def paged?
!!page || !!per_page
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems