12 lines
465 B
Ruby
12 lines
465 B
Ruby
class Readout < QuantityValue
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# Need to specify polymorphic association so :registry_type gets written (see
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# QuantityValue for explanation why it's needed)
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belongs_to :measurement, inverse_of: :readouts, polymorphic: true, required: true,
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foreign_key: 'registry_id', foreign_type: 'registry_type'
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# Readout uniqueness NOT validated here, see Value for explanation
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validates :value, numericality: true
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delegate :completed_at, to: :measurement
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end
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