Rails 5.2 Fixing has_one callbacks (#3)

* table name update

* Update to include special callbacks for Rails 5.2

* fixed some mis-committed code

* simplifying the AR 5.2 code

lib/permanent_records.rb

@@ -276,4 +276,9 @@ def self.dependent_permanent_reflections(klass)
 
 ActiveSupport.on_load(:active_record) do
   ActiveRecord::Base.send :include, PermanentRecords::ActiveRecord
+
+  if [ActiveRecord::VERSION::MAJOR, ActiveRecord::VERSION::MINOR] == [5, 2] ||
+    ActiveRecord::VERSION::MAJOR > 5
+   require 'permanent_records/active_record_5_2'
+ end
 end

lib/permanent_records/active_record_5_2.rb

@@ -0,0 +1,33 @@
+module HandlePermanentRecordsDestroyedInBelongsToAssociation
+  def handle_dependency
+    return unless load_target
+
+    case options[:dependent]
+    when :destroy
+      target.destroy
+      raise ActiveRecord::Rollback if target.respond_to?(:deleted?) && !target.deleted?
+    else
+      target.send(options[:dependent])
+    end
+  end
+end
+
+module HandlePermanentRecordsDestroyedInHasOneAssociation
+  def delete(method = options[:dependent])
+    if load_target
+      case method
+      when :delete
+        target.delete
+      when :destroy
+        target.destroyed_by_association = reflection
+        target.destroy
+        throw(:abort) if target.respond_to?(:deleted?) && !target.deleted?
+      when :nullify
+        target.update_columns(reflection.foreign_key => nil) if target.persisted?
+      end
+    end
+  end
+end
+
+ActiveRecord::Associations::BelongsToAssociation.prepend HandlePermanentRecordsDestroyedInBelongsToAssociation
+ActiveRecord::Associations::HasOneAssociation.prepend HandlePermanentRecordsDestroyedInHasOneAssociation