instance method `representation`

Ruby on Rails 8.0.4

Since v5.2.8.1

Available in: v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

representation(transformations)

Returns an ActiveStorage::Preview for a previewable blob or an ActiveStorage::Variant for a variable image blob.

blob.representation(resize_to_limit: [100, 100]).processed.url

Raises ActiveStorage::UnrepresentableError if the receiving blob is neither variable nor previewable. Call ActiveStorage::Blob#representable? to determine whether a blob is representable.

See ActiveStorage::Blob#preview and ActiveStorage::Blob#variant for more information.

Parameters

transformations req

Source

# File activestorage/app/models/active_storage/blob/representable.rb, line 151
  def representation(transformations)
    case
    when previewable?
      preview transformations
    when variable?
      variant transformations
    else
      raise ActiveStorage::UnrepresentableError, "No previewer found and can't transform blob with ID=#{id} and content_type=#{content_type}"
    end
  end

Defined in activestorage/app/models/active_storage/blob/representable.rb line 151 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveStorage::Blob::Representable

Signature

Parameters