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# File 'lib/active_record/events.rb', line 11
def has_event(name, options = {})
naming = Naming.new(name, options)
include(Module.new do
define_method(naming.predicate) do
self[naming.field].present?
end
define_method(naming.inverse_predicate) do
!__send__(naming.predicate)
end
define_method(naming.action) do
touch(naming.field)
end
define_method(naming.safe_action) do
__send__(naming.action) if __send__(naming.inverse_predicate)
end
end)
extend(Module.new do
define_method(naming.collective_action) do
if respond_to?(:touch_all)
touch_all(naming.field)
else
update_all(naming.field => Time.current)
end
end
unless options[:skip_scopes]
define_method(naming.scope) do
where(arel_table[naming.field].not_eq(nil))
end
define_method(naming.inverse_scope) do
where(arel_table[naming.field].eq(nil))
end
end
end)
end
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