e7caa7afd5
* Allow has_one nil association * add test for when has_one returns nil * modify has_one extension method, add active record test * Use try operator to support old rubies
17 lines
592 B
Ruby
17 lines
592 B
Ruby
require 'active_record'
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::ActiveRecord::Associations::Builder::HasOne.class_eval do
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# Based on
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# https://github.com/rails/rails/blob/master/activerecord/lib/active_record/associations/builder/collection_association.rb#L50
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# https://github.com/rails/rails/blob/master/activerecord/lib/active_record/associations/builder/singular_association.rb#L11
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def self.define_accessors(mixin, reflection)
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super
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name = reflection.name
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mixin.class_eval <<-CODE, __FILE__, __LINE__ + 1
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def #{name.to_s}_id
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association(:#{name}).reader.try(:id)
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end
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CODE
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end
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end
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