1f8cc446d9
This is useful in situations like model unit tests and the occasional rake task to backfill old data.
28 lines
526 B
Ruby
28 lines
526 B
Ruby
class ORM
|
|
include ActiveModel::Observing
|
|
|
|
def save
|
|
notify_observers :before_save
|
|
end
|
|
|
|
class Observer < ActiveModel::Observer
|
|
def before_save_invocations
|
|
@before_save_invocations ||= []
|
|
end
|
|
|
|
def before_save(record)
|
|
before_save_invocations << record
|
|
end
|
|
end
|
|
end
|
|
|
|
class Widget < ORM; end
|
|
class Budget < ORM; end
|
|
class WidgetObserver < ORM::Observer; end
|
|
class BudgetObserver < ORM::Observer; end
|
|
class AuditTrail < ORM::Observer
|
|
observe :widget, :budget
|
|
end
|
|
|
|
ORM.instantiate_observers
|