1 files changed, 39 insertions, 0 deletions
diff --git a/lib/bulk_imports/common/transformers/prohibited_attributes_transformer.rb b/lib/bulk_imports/common/transformers/prohibited_attributes_transformer.rb
new file mode 100644
index 00000000000..858c4c8976b
--- /dev/null
+++ b/lib/bulk_imports/common/transformers/prohibited_attributes_transformer.rb
@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+module BulkImports
+  module Common
+    module Transformers
+      class ProhibitedAttributesTransformer
+        PROHIBITED_REFERENCES = Regexp.union(
+          /\Acached_markdown_version\Z/,
+          /\Aid\Z/,
+          /_id\Z/,
+          /_ids\Z/,
+          /_html\Z/,
+          /attributes/,
+          /\Aremote_\w+_(url|urls|request_header)\Z/ # carrierwave automatically creates these attribute methods for uploads
+        ).freeze
+
+        def initialize(options = {})
+          @options = options
+        end
+
+        def transform(context, data)
+          data.each_with_object({}) do |(key, value), result|
+            prohibited = prohibited_key?(key)
+
+            unless prohibited
+              result[key] = value.is_a?(Hash) ? transform(context, value) : value
+            end
+          end
+        end
+
+        private
+
+        def prohibited_key?(key)
+          key.to_s =~ PROHIBITED_REFERENCES
+        end
+      end
+    end
+  end
+end