Module: ActiveRecord::ActsHasMany::Child

Defined in:
lib/acts_has_many/active_record/acts_has_many/child.rb

Instance Method Summary collapse

Instance Method Details

#actual?(exclude = true) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/acts_has_many/active_record/acts_has_many/child.rb', line 27

def actual? exclude = true
  actual = 0
  self.class.dependent_relations.each do |dependent_relation|
    actual += self.send(dependent_relation).count
  end

  exclude ? actual > 1 : actual > 0
end

#destroy ⇒ Object 



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# File 'lib/acts_has_many/active_record/acts_has_many/child.rb', line 18

def destroy
  return false if actual? false
  super
end

#destroy! ⇒ Object 



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# File 'lib/acts_has_many/active_record/acts_has_many/child.rb', line 23

def destroy!
  self.class.superclass.instance_method(:destroy).bind(self).call
end

#has_many_update(data) ⇒ Object 



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# File 'lib/acts_has_many/active_record/acts_has_many/child.rb', line 4

def has_many_update data
  current = self
  condition = current.class.condition(data.symbolize_keys)

  if actual? || current.new_record?
    [condition.first_or_create(data), nil]
  elsif exists = condition.first
    [exists, (current == exists ? nil : current)]
  else
    update_attributes data
    [current, nil]
  end
end