```ruby
class FeedbackLandingController < ApplicationController
  skip_before_action :validate_session
  skip_before_action :set_piwik_custom_variables
  before_action { @hide_feedback_link = true }

  def index
    flash['feedback_referer'] = request.referer
    flash['feedback_source'] = params['feedback-source'].nil? ? flash['feedback_source'] : params['feedback-source']
    @feedback_landing_heading = t ( 'hub.feedback_landing.basic_heading' )

    unless current_transaction_simple_id.nil?
      @other_ways_heading = t('hub.feedback_landing.services.heading')
      @other_ways_text = current_transaction.other_ways_text
      @service_name = current_transaction.name
      @feedback_landing_heading = t( 'hub.feedback_landing.heading', service_name: @service_name )
    end
  end
end
```

Tidy up some whitespace to keep Codacy happy
user
```ruby
class FeedbackLandingController < ApplicationController
  skip_before_action :validate_session
  skip_before_action :set_piwik_custom_variables
  before_action { @hide_feedback_link = true }

  def index
    flash['feedback_referer'] = request.referer
    flash['feedback_source'] = params['feedback-source'].nil? ? flash['feedback_source'] : params['feedback-source']
    @feedback_landing_heading = t('hub.feedback_landing.basic_heading')

    unless current_transaction_simple_id.nil?
      @other_ways_heading = t('hub.feedback_landing.services.heading')
      @other_ways_text = current_transaction.other_ways_text
      @service_name = current_transaction.name
      @feedback_landing_heading = t('hub.feedback_landing.heading', service_name: @service_name)
    end
  end
end
```
assistant