how do I prevent Paper Trail from versioning on touch?

user_2871922 0
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In many parts of my Rails 6 app I have belongs_to associations with touch: true which means that the updated_at value of the parent object gets updated when the child is updated.

The problem is that I am using the Paper Trail gem to track changes in the data, but I don't want version records for the objects when they simply have been "touched" in this way.

I've tried using the ignore option on the updated_at field like this:

has_paper_trail ignore: [:updated_at]

which causes no version to be created when I do this

my_object.update(updated_at: Time.current)

but it still creates a version when I do this

my_object.touch
paper-trail-gem ruby-on-rails
1 Answers

Paper Trail treats a "touch" operation separately from other updates. It can trigger versioning on any or all of these operations: create, destroy, update, touch.

Use the on option in order to specify a subset of operation that trigger versions that excludes 'touch'. Like this

has_paper_trail on: [:create, :destroy, :update]

In the docs this is descibed in section 2.a. (Choosing Lifecycle Events To Monitor)

user_28719220
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