donphan/app/models/concerns/paginable.rb

13 lines
361 B
Ruby
Raw Normal View History

module Paginable
extend ActiveSupport::Concern
included do
2016-10-02 21:35:27 +01:00
def self.paginate_by_max_id(limit, max_id = nil, since_id = nil)
query = order('id desc').limit(limit)
query = query.where(arel_table[:id].lt(max_id)) unless max_id.blank?
query = query.where(arel_table[:id].gt(since_id)) unless since_id.blank?
2016-10-02 21:35:27 +01:00
query
end
end
end