2016-02-12 23:52:43 +08:00
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class StepAsset < ActiveRecord::Base
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validates :step, :asset, presence: true
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belongs_to :step, inverse_of: :step_assets
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2016-08-18 02:49:20 +08:00
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belongs_to :asset, inverse_of: :step_asset, dependent: :destroy
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2016-02-12 23:52:43 +08:00
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end
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