57 lines
1.7 KiB
Ruby
57 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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module FileConversion
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private
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def convert_files_json_to_files(files_json)
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retry_block do
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# Return an empty list of files and directories if the files_json is nil
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return [[], []] if files_json.blank?
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directories = []
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files = files_json['files'].filter_map do |file|
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# entryType: `-` describes a regular file, `d` a directory. See `info ls` for others
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directories.push(file['name']) if file['entryType'] == 'd'
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next unless file['entryType'] == '-'
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file['extension'] = File.extname(file['name'])
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file
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end
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# Optimize SQL queries: We are first fetching all required file types from the database.
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# Then, we store them in a hash, so that we can access them by using their file extension.
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file_types = {}
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FileType.where(file_extension: files.pluck('extension')).find_each do |file_type|
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file_types[file_type.file_extension] = file_type
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end
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files.map! do |file|
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CodeOcean::File.new(
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name: File.basename(file['name'], file['extension']),
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path: File.dirname(file['name']).sub(%r{^(?>\./|\.)}, '').presence,
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size: file['size'],
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owner: file['owner'],
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group: file['group'],
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permissions: file['permissions'],
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updated_at: file['modificationTime'],
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file_type: file_types[file['extension']] || FileType.new(file_extension: file['extension'])
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)
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end
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[augment_files_for_download(files), directories]
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end
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end
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def augment_files_for_download(files)
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raise NotImplementedError
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end
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def retry_block(count: 1)
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yield
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rescue ActiveRecord::StatementInvalid => e
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count -= 1
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retry if count.positive?
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raise e
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end
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end
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