media file: memoize expensive methods in subclasses.

2020-05-27 14:31:39 -05:00
parent 84cd8540ab
commit f94c52478c
5 changed files with 7 additions and 4 deletions
--- a/app/logical/media_file/image.rb
+++ b/app/logical/media_file/image.rb
@@ -63,6 +63,8 @@ class MediaFile::Image < MediaFile
  end

  def image
-    @image ||= Vips::Image.new_from_file(file.path, fail: true)
+    Vips::Image.new_from_file(file.path, fail: true)
  end
+
+  memoize :image, :dimensions, :is_corrupt?, :is_animated_gif?, :is_animated_png?
 end