# Copyright 2018 Kouhei Sutou <kou@clear-code.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

module Arrow
  class Date32ArrayBuilder
    private
    UNIX_EPOCH = Date.new(1970, 1, 1)
    def convert_to_arrow_value(value)
      value = value.to_date if value.respond_to?(:to_date)

      if value.is_a?(Date)
        (value - UNIX_EPOCH).to_i
      else
        value
      end
    end
  end
end