Method: CarrierWave::Uploader::Versions#url

Defined in:

lib/carrierwave/uploader/versions.rb

#url(*args) ⇒ Object

When given a version name as a parameter, will return the url for that version This also works with nested versions. When given a query hash as a parameter, will return the url with signature that contains query params Query hash only works with AWS (S3 storage).

Example

my_uploader.url                 # => /path/to/my/uploader.gif
my_uploader.url(:thumb)         # => /path/to/my/thumb_uploader.gif
my_uploader.url(:thumb, :small) # => /path/to/my/thumb_small_uploader.gif
my_uploader.url(:query => {"response-content-disposition" => "attachment"})
my_uploader.url(:version, :sub_version, :query => {"response-content-disposition" => "attachment"})

Parameters

*args (Symbol)

any number of versions

OR/AND

Hash

query params

Returns

String

the location where this file is accessible via a url

# File 'lib/carrierwave/uploader/versions.rb', line 261

def url(*args)
  if (version = args.first) && version.respond_to?(:to_sym)
    raise ArgumentError, "Version #{version} doesn't exist!" if versions[version.to_sym].nil?
    # recursively proxy to version
    versions[version.to_sym].url(*args[1..-1])
  elsif args.first
    super(args.first)
  else
    super
  end
end