Module: ActiveRecord::Undo::ModelExtension::InstanceMethods

Defined in:
lib/active_record/undo/model_extension.rb

Instance Method Summary collapse

Instance Method Details

#restore! ⇒ Object 



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# File 'lib/active_record/undo/model_extension.rb', line 55

def restore!
  ensure_undoable_column_exists!
  return false unless soft_deleted?

  log_item = find_latest_undo_log_item

  if log_item
    log_item.undo_log.restore!
  else
    column_name = self.class.undoable_column
    update_columns(column_name => nil, updated_at: Time.current)
    true
  end
end

#soft_delete! ⇒ Object 



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# File 'lib/active_record/undo/model_extension.rb', line 39

def soft_delete!
  ensure_undoable_column_exists!
  return false if soft_deleted?

  undo_log = nil
  timestamp = Time.current

  transaction do
    undo_log = ActiveRecord::Undo::UndoLog.create!
    soft_delete_cascade_internal!(timestamp, undo_log)
    undo_log.save!
  end

  undo_log
end

#soft_deleted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/undo/model_extension.rb', line 26

def soft_deleted?
  public_send(self.class.undoable_column).present?
end

#undoable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/undo/model_extension.rb', line 30

def undoable?
  return false unless soft_deleted?

  ActiveRecord::Undo::UndoLogItem.joins(:undo_log).exists?(
    item_type: self.class.name,
    item_id: id
  )
end