Module: ZombieRecord::Restorable

Extended by:
ActiveSupport::Concern
Defined in:
lib/zombie_record/restorable.rb

Defined Under Namespace

Modules: ClassMethods, WithDeletedAssociationsWrapper Classes: WithDeletedAssociations

Instance Method Summary collapse

Instance Method Details

#deleted? ⇒ Boolean

Whether the record has been destroyed.

Returns true if the record is deleted, false otherwise.

Returns:

  • (Boolean) 


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# File 'lib/zombie_record/restorable.rb', line 30

def deleted?
  !deleted_at.nil?
end

#restore! ⇒ Object

Restores a destroyed record.

Returns nothing.



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# File 'lib/zombie_record/restorable.rb', line 14

def restore!
  if frozen?
    raise "cannot restore an object that has been destroyed directly; " <<
          "please make sure to load it from the database again."
  end

  run_callbacks :restore do
    update_column(:deleted_at, nil)

    restore_associated_records!
  end
end

#with_deleted_associations ⇒ Object

Allows accessing deleted associations from the record.

Example

book = Book.first.with_deleted_associations

# Even deleted chapters are returned!
book.chapters #=> [...]

Returns a wrapped ActiveRecord::Base object.



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# File 'lib/zombie_record/restorable.rb', line 44

def with_deleted_associations
  if deleted?
    WithDeletedAssociations.new(self)
  else
    self
  end
end