31 lines
1.5 KiB
Ruby
31 lines
1.5 KiB
Ruby
module ActiveRecord
|
|
# Active Records will automatically record creation and/or update timestamps of database objects
|
|
# if fields of the names created_at/created_on or updated_at/updated_on are present. This module is
|
|
# automatically included, so you don't need to do that manually.
|
|
module Timestamp
|
|
def self.append_features(base) # :nodoc:
|
|
super
|
|
base.before_create :timestamp_before_create
|
|
base.before_update :timestamp_before_update
|
|
end
|
|
|
|
def timestamp_before_create
|
|
write_attribute("created_at", Time.now) if record_timestamps && respond_to?(:created_at) && created_at.nil?
|
|
write_attribute("created_on", Time.now) if record_timestamps && respond_to?(:created_on) && created_on.nil?
|
|
timestamp_before_update
|
|
end
|
|
|
|
def timestamp_before_update
|
|
write_attribute("updated_at", Time.now) if record_timestamps && respond_to?(:updated_at)
|
|
write_attribute("updated_on", Time.now) if record_timestamps && respond_to?(:updated_on)
|
|
end
|
|
end
|
|
|
|
class Base
|
|
# Records the creation date and possibly time in created_on (date only) or created_at (date and time) and the update date and possibly
|
|
# time in updated_on and updated_at. This only happens if the object responds to either of these messages, which they will do automatically
|
|
# if the table has columns of either of these names. This feature is turned on by default.
|
|
@@record_timestamps = true
|
|
cattr_accessor :record_timestamps
|
|
end
|
|
end |