Track updated params that have changed

[Justin Lewis]

This works, but gives me all project_params. Any idea how I only pass in what params have changed?

@project.create_activity :update, owner: current_user, params: project_params

[Piotrek Okoński]

You can use ActiveModel::Dirty used by Rails => http://api.rubyonrails.org/classes/ActiveModel/Dirty.html

@person.changes # => {"name" => ["Bill", "Bob"]}

On 5 August 2014 07:16, Justin Lewis <jus...@weareinstrument.com> wrote:

This works, but gives me all project_params. Any idea how I only pass in what params have changed?

@project.create_activity :update, owner: current_user, params: project_params

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[fabien piette]

You can make like that, in the case you want to follow only attributes in particular:

def track_changing_attributes

  tracking_attributes = %w(name description estimated_time state).to_set

  if changed.to_set.intersect?(tracking_attributes)

    changed_scope_attribute = changes.select { |key, _| tracking_attributes.include? key }

    create_activity(

      action: 'update',

      parameters: {attributes: changed_scope_attribute},

      owner: lambda { |controller, _| controller.current_user }

    )

  end

end

[Olivier S]

I am passing previous_changes to Public_activity with parameters :

@user.create_activity key: 'user.modified', owner: current_user, parameters: @user.previous_changes