Class: EacFs::CachedDownload

Inherits:
Object
  • Object
show all
Defined in:
lib/eac_fs/cached_download.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url, parent_fs_cache = nil) ⇒ CachedDownload

Returns a new instance of CachedDownload.



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# File 'lib/eac_fs/cached_download.rb', line 11

def initialize(url, parent_fs_cache = nil)
  @url = url
  @fs_cache = (parent_fs_cache || fs_cache).child(url.to_s.parameterize)
end

Instance Attribute Details

#fs_cache ⇒ Object (readonly)

Returns the value of attribute fs_cache.



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# File 'lib/eac_fs/cached_download.rb', line 9

def fs_cache
  @fs_cache
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/eac_fs/cached_download.rb', line 9

def url
  @url
end

Instance Method Details

#assert ⇒ Object 



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# File 'lib/eac_fs/cached_download.rb', line 16

def assert
  download unless fs_cache.stored?
end

#download ⇒ Object 



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# File 'lib/eac_fs/cached_download.rb', line 20

def download
  ::EacRubyUtils::Fs::Temp.on_file do |temp|
    download_to(temp)
    fs_cache.content_path.to_pathname.dirname.mkpath
    ::FileUtils.mv(temp.to_path, fs_cache.content_path)
  end
end

#path ⇒ Object 



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# File 'lib/eac_fs/cached_download.rb', line 28

def path
  fs_cache.content_path.to_pathname
end