Class: ActiveRecord::Associations::CollectionAssociation

Inherits:

Object

• Object
• ActiveRecord::Associations::CollectionAssociation

Defined in:

lib/activehistory/adapters/active_record.rb

Instance Method Summary

• #delete_all(dependent = nil) ⇒ Object

Instance Method Details

#delete_all(dependent = nil) ⇒ Object

# File 'lib/activehistory/adapters/active_record.rb', line 302

def delete_all(dependent = nil)
  activehistory_encapsulate do
    if dependent && ![:nullify, :delete_all].include?(dependent)
      raise ArgumentError, "Valid values are :nullify or :delete_all"
    end

    dependent = if dependent
                  dependent
                elsif options[:dependent] == :destroy
                  :delete_all
                else
                  options[:dependent]
                end

    if dependent == :delete_all

    else
      removed_ids = self.scope.pluck(:id)
    
      action = owner.activehistory_event.action_for(self.reflection.active_record, owner.id, {
        type: :update,
        timestamp: owner.activehistory_timestamp
      })
      
      diff_key = "#{self.reflection.name.to_s.singularize}_ids"
      action.diff ||= {}
      action.diff[diff_key] ||= [[], []]
      action.diff[diff_key][0] |= removed_ids
    
      ainverse_of = self.klass.reflect_on_association(self.options[:inverse_of])
      if ainverse_of
        removed_ids.each do |removed_id|
          action = owner.activehistory_event.action_for(ainverse_of.active_record, removed_id, {
            type: :update,
            timestamp: owner.activehistory_timestamp
          })
          action.diff ||= {}
          if ainverse_of.collection?
            diff_key = "#{ainverse_of.name.to_s.singularize}_ids"
            action.diff[diff_key] ||= [[], []]
            action.diff[diff_key][0] |= [owner.id]
          else
            diff_key = "#{ainverse_of.name}_id"
            action.diff[diff_key] ||= [owner.id, nil]
          end
        end
      end
    end

    delete_or_nullify_all_records(dependent).tap do
      reset
      loaded!
    end
  end
end