hometown/app/models/concerns/paginable.rb

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module Paginable
extend ActiveSupport::Concern
included do
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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?
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query
end
end
end