From 140b56d97fc3fc612b5830e3aab0a878608d57b0 Mon Sep 17 00:00:00 2001
From: Justin Coyne <jcoyne@justincoyne.com>
Date: Fri, 5 Jan 2024 15:23:10 -0600
Subject: [PATCH] Allow paper_trail up though version 15

---
 blacklight-spotlight.gemspec |  2 +-
 lib/spotlight/engine.rb      | 21 +++++++++++++++++----
 2 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/blacklight-spotlight.gemspec b/blacklight-spotlight.gemspec
index 12b935c90..d5260f0f5 100644
--- a/blacklight-spotlight.gemspec
+++ b/blacklight-spotlight.gemspec
@@ -47,7 +47,7 @@ these collections.)
   s.add_dependency 'oauth2'
   s.add_dependency 'openseadragon'
   s.add_dependency 'ostruct', '!= 0.3.0', '!= 0.3.1', '!= 0.3.2'
-  s.add_dependency 'paper_trail', '>= 11.0', '< 13'
+  s.add_dependency 'paper_trail', '>= 11.0', '< 16'
   s.add_dependency 'rails', '>= 6.1', '< 8'
   s.add_dependency 'redcarpet', '>= 2.0.1', '< 4'
   s.add_dependency 'riiif', '~> 2.0'
diff --git a/lib/spotlight/engine.rb b/lib/spotlight/engine.rb
index 2878b2c01..7080be438 100644
--- a/lib/spotlight/engine.rb
+++ b/lib/spotlight/engine.rb
@@ -334,10 +334,23 @@ def self.call(template, source = nil)
     config.assign_default_roles_to_first_user = true
 
     config.exhibit_roles = %w[admin curator viewer]
-
-    if ActiveRecord.respond_to?(:yaml_column_permitted_classes) || ActiveRecord::Base.respond_to?(:yaml_column_permitted_classes)
-      config.active_record.yaml_column_permitted_classes ||= []
-      config.active_record.yaml_column_permitted_classes += [Symbol, ActiveSupport::HashWithIndifferentAccess]
+    # PaperTrail serializes objects to YAML, so we need to permit these classes to be deserialized
+    if ActiveRecord.respond_to?(:yaml_column_permitted_classes)
+      # Rails >= 7.0
+      ActiveRecord.yaml_column_permitted_classes ||= []
+      ActiveRecord.yaml_column_permitted_classes += [Symbol,
+                                                     ActiveSupport::HashWithIndifferentAccess,
+                                                     ActiveSupport::TimeWithZone,
+                                                     ActiveSupport::TimeZone,
+                                                     Time]
+    elsif ActiveRecord::Base.respond_to?(:yaml_column_permitted_classes)
+      # Rails 6.1
+      ActiveRecord::Base.yaml_column_permitted_classes ||= []
+      ActiveRecord::Base.yaml_column_permitted_classes += [Symbol,
+                                                           ActiveSupport::HashWithIndifferentAccess,
+                                                           ActiveSupport::TimeWithZone,
+                                                           ActiveSupport::TimeZone,
+                                                           Time]
     end
   end
   # rubocop:enable Metrics/ClassLength