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Contents
# frozen_string_literal: true
module Katalyst
module Tables
module Collection
# Adds pagination support for a collection.
#
# Pagination will be applied if the collection is configured to paginate
# by either specifying `config.paginate = true` or passing
# `paginate: true` to the initializer.
#
# If the value given to `paginate` is a hash, it will be passed to the
# `pagy` gem as options.
#
# If `page` is present in params it will be passed to pagy.
module Pagination
extend ActiveSupport::Concern
included do
attr_accessor :pagination
attribute :page, :integer, default: 1
config_accessor :paginate
end
def initialize(paginate: config.paginate, **options)
super(**options)
@paginate = paginate
end
def paginate?
!!@paginate
end
def paginate_options
@paginate.is_a?(Hash) ? @paginate : {}
end
class Paginate # :nodoc:
# Pagy is not a required gem unless you're using pagination
# Expect to see NoMethodError failures if pagy is not available
"Pagy::Backend".safe_constantize&.tap { |pagy| include(pagy) }
def initialize(app)
@app = app
end
def call(collection)
@collection = @app.call(collection)
if collection.paginate?
@collection.pagination, @collection.items = pagy(@collection.items, collection.paginate_options)
end
@collection
end
# pagy shim
def params
@collection.attributes.with_indifferent_access
end
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems