# -*- encoding: utf-8 -*-
#
# Copyright 2014 North Development AB
#
# 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 PuppetForgeServer::Utils
  module Buffer
    def download(buffer)
      headers = buffer.respond_to?(:size) ? {'Content-Length' => buffer.size.to_s} : {}
      [200, headers, buffer]
    end

    def get_buffer(backends, path)
      backends.each do |backend|
        buffer = backend.get_file_buffer(path)
        return buffer if buffer
      end
      return nil
    end
  end
end