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# Copyright 2011-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file 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 AWS
class S3
# Represents the collection of parts that have been uploaded for
# a given multipart upload. You can get an instance of this
# class by calling {MultipartUpload#parts}.
#
# @example Get the total size of the uploaded parts
# upload.parts.inject(0) { |sum, part| sum + part.size }
class UploadedPartCollection
include Enumerable
include Core::Model
include PaginatedCollection
# @return [MultipartUpload] The upload to which the parts belong.
attr_reader :upload
# @api private
def initialize(upload, opts = {})
@upload = upload
super
end
# @return [UploadedPart] An object representing the part with
# the given part number.
#
# @param [Integer] number The part number.
def [](number)
UploadedPart.new(upload, number)
end
# @api private
protected
def each_member_in_page(page, &block)
page.parts.each do |part_info|
part = UploadedPart.new(upload, part_info.part_number, :etag => part_info.etag)
yield(part)
end
end
# @api private
protected
def list_options(options)
opts = super
opts.merge!(:bucket_name => upload.object.bucket.name,
:key => upload.object.key,
:upload_id => upload.id)
opts
end
# @api private
protected
def limit_param; :max_parts; end
# @api private
protected
def list_request(options)
client.list_parts(options)
end
# @api private
protected
def pagination_markers
[:part_number_marker]
end
end
end
end
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