52 lines
1.8 KiB
Ruby
52 lines
1.8 KiB
Ruby
module ActiveRecord
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# Active Record automatically timestamps create and update if the table has fields
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# created_at/created_on or updated_at/updated_on.
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#
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# Timestamping can be turned off by setting
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# <tt>ActiveRecord::Base.record_timestamps = false</tt>
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#
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# Keep in mind that, via inheritance, you can turn off timestamps on a per
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# model basis by setting <tt>record_timestamps</tt> to false in the desired
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# models.
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#
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# class Feed < ActiveRecord::Base
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# self.record_timestamps = false
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# # ...
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# end
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#
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# Timestamps are in the local timezone by default but can use UTC by setting
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# <tt>ActiveRecord::Base.default_timezone = :utc</tt>
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module Timestamp
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def self.included(base) #:nodoc:
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super
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base.alias_method_chain :create, :timestamps
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base.alias_method_chain :update, :timestamps
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base.cattr_accessor :record_timestamps, :instance_writer => false
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base.record_timestamps = true
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end
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def create_with_timestamps #:nodoc:
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if record_timestamps
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t = self.class.default_timezone == :utc ? Time.now.utc : Time.now
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write_attribute('created_at', t) if respond_to?(:created_at) && created_at.nil?
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write_attribute('created_on', t) if respond_to?(:created_on) && created_on.nil?
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write_attribute('updated_at', t) if respond_to?(:updated_at)
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write_attribute('updated_on', t) if respond_to?(:updated_on)
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end
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create_without_timestamps
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end
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def update_with_timestamps #:nodoc:
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if record_timestamps
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t = self.class.default_timezone == :utc ? Time.now.utc : Time.now
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write_attribute('updated_at', t) if respond_to?(:updated_at)
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write_attribute('updated_on', t) if respond_to?(:updated_on)
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end
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update_without_timestamps
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end
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end
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end
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