53 lines
1.7 KiB
Ruby
53 lines
1.7 KiB
Ruby
#
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# Copyright (C) 2014 - present Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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class MediaSourceFetcher
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def initialize(api_client)
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@api_client = api_client
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end
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def fetch_preferred_source_url(options={})
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file_extension = options[:file_extension]
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media_type = options[:media_type]
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if file_extension && media_type
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raise ArgumentError.new("file_extension and media_type should not both be present. file_extension is only here to support legacy behavior.")
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end
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media_sources = @api_client.media_sources(options[:media_id])
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return nil if media_sources.empty?
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source = case media_type
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when 'video'
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find_by_file_extension(media_sources, 'mp4')
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when 'audio'
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find_by_file_extension(media_sources, 'mp3') || find_by_file_extension(media_sources, 'mp4')
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else
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find_by_file_extension(media_sources, file_extension)
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end
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source[:url]
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end
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private
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def find_by_file_extension(sources, file_extension)
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sources.find { |s| s[:fileExt] == file_extension }
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end
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end
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