Merge pull request #700 from IU-Libraries-Joint-Development/iiif_print_work_file

patch IiifPrint::Data::WorkFile for external_storage

Author: randalldfloyd

lib/extensions/extensions.rb

@@ -197,3 +197,6 @@ def attribute_will_change!(attr)
 
 # support for FileSetPresenter#content_location
 Hyrax::FileSetPresenter.include Extensions::Hyrax::FileSetPresenter::ContentLocation
+
+# patch iiif_print to handle external storage
+IiifPrint::Data::WorkFile.prepend Extensions::IiifPrint::Data::WorkFile::ExternalFileLocation

lib/extensions/iiif_print/data/work_file/external_file_location.rb

@@ -0,0 +1,17 @@
+# modified from iiif_print
+# uses version of find_or_retrieve that is aware of external storage
+module Extensions
+  module IiifPrint
+    module Data
+      module WorkFile
+        module ExternalFileLocation
+          private
+    
+          def checkout
+            @fileset.find_or_retrieve
+          end
+        end
+      end
+    end
+  end
+end