Class: Nauvisian::Downloader

Inherits:
Object
  • Object
show all
Defined in:
lib/nauvisian/downloader.rb

Instance Method Summary collapse

Constructor Details

#initialize(credential:, progress: Nauvisian::Progress::Null) ⇒ Downloader

Returns a new instance of Downloader.



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# File 'lib/nauvisian/downloader.rb', line 10

def initialize(credential:, progress: Nauvisian::Progress::Null)
  @credential = credential
  @progress_class = progress
  @cache = Nauvisian::Cache::FileSystem.new(name: "download", ttl: Float::INFINITY)
end

Instance Method Details

#download(release, output_path) ⇒ Object 



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# File 'lib/nauvisian/downloader.rb', line 16

def download(release, output_path)
  with_error_handling(release) do
    @progress = @progress_class.new(release)
    url = release.download_url.dup
    url.query = Rack::Utils.build_nested_query(@credential.to_h)
    data = @cache.fetch(url) { get(url) }
    File.binwrite(output_path, data)
    raise Nauvisian::DigestMismatch unless Digest::SHA1.file(output_path) == release.sha1
  end
end