Module: RoadToElDuration::Calculations

Extended by:
ActiveSupport::Concern
Defined in:
lib/road_to_el_duration/calculations.rb

Instance Method Summary collapse

Instance Method Details

#update_any_parent_durations ⇒ Object

This method is used to update the duration of the parent records. It will only update the parent records if the parent_to_update attribute is set. It will update the duration of the current parent record and any previous parent record if the record was transferred or removed from the collection.



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# File 'lib/road_to_el_duration/calculations.rb', line 59

def update_any_parent_durations
  update_previous_parent_duration if transferred_or_removed_from_collection?
  update_current_parent_duration if has_parent_record?
end

#update_duration! ⇒ Object

This method is used to update the duration of the record. It will sum the :duration_column of the associated records and update the :duration_column of the record. It is left as public API so that you can call it manually if needed.



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# File 'lib/road_to_el_duration/calculations.rb', line 48

def update_duration!
  child_class = ActiveSupport::Inflector.singularize(child_association_name).camelize.constantize
  duration_value[child_class.parent_duration_column] = calculate_duration
  update!(**duration_value)
end