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5b86c3e5bb
This way parent models can get their own after_create and after_update callbacks fired after has_one has done its job.
38 lines
1015 B
Ruby
38 lines
1015 B
Ruby
class Eye < ActiveRecord::Base
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attr_reader :after_create_callbacks_stack
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attr_reader :after_update_callbacks_stack
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attr_reader :after_save_callbacks_stack
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# Callbacks configured before the ones has_one sets up.
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after_create :trace_after_create
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after_update :trace_after_update
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after_save :trace_after_save
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has_one :iris
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accepts_nested_attributes_for :iris
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# Callbacks configured after the ones has_one sets up.
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after_create :trace_after_create2
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after_update :trace_after_update2
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after_save :trace_after_save2
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def trace_after_create
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(@after_create_callbacks_stack ||= []) << iris.new_record?
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end
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alias trace_after_create2 trace_after_create
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def trace_after_update
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(@after_update_callbacks_stack ||= []) << iris.changed?
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end
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alias trace_after_update2 trace_after_update
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def trace_after_save
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(@after_save_callbacks_stack ||= []) << iris.changed?
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end
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alias trace_after_save2 trace_after_save
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end
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class Iris < ActiveRecord::Base
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belongs_to :eye
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end
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