diff options
Diffstat (limited to 'activestorage/app/models/active_storage/variation.rb')
| -rw-r--r-- | activestorage/app/models/active_storage/variation.rb | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/activestorage/app/models/active_storage/variation.rb b/activestorage/app/models/active_storage/variation.rb index bf269e2a8f..13bad87cac 100644 --- a/activestorage/app/models/active_storage/variation.rb +++ b/activestorage/app/models/active_storage/variation.rb @@ -1,7 +1,5 @@ # frozen_string_literal: true -require "active_support/core_ext/object/inclusion" - # A set of transformations that can be applied to a blob to create a variant. This class is exposed via # the ActiveStorage::Blob#variant method and should rarely be used directly. # @@ -15,7 +13,21 @@ class ActiveStorage::Variation attr_reader :transformations class << self - # Returns a variation instance with the transformations that were encoded by +encode+. + # Returns a Variation instance based on the given variator. If the variator is a Variation, it is + # returned unmodified. If it is a String, it is passed to ActiveStorage::Variation.decode. Otherwise, + # it is assumed to be a transformations Hash and is passed directly to the constructor. + def wrap(variator) + case variator + when self + variator + when String + decode variator + else + new variator + end + end + + # Returns a Variation instance with the transformations that were encoded by +encode+. def decode(key) new ActiveStorage.verifier.verify(key, purpose: :variation) end |