masto-fe/app/models/concerns/paginable.rb
2016-10-02 22:35:27 +02:00

12 lines
341 B
Ruby

module Paginable
extend ActiveSupport::Concern
included do
def self.paginate_by_max_id(limit, max_id = nil, since_id = nil)
query = order('id desc').limit(limit)
query = query.where('id < ?', max_id) unless max_id.blank?
query = query.where('id > ?', since_id) unless since_id.blank?
query
end
end
end