30 lines
881 B
Ruby
30 lines
881 B
Ruby
class Measurement < ActiveRecord::Base
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belongs_to :project, required: true
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belongs_to :source, required: false
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has_many :readouts, inverse_of: :measurement, dependent: :destroy, validate: true
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validates :readouts, presence: true
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accepts_nested_attributes_for :readouts, allow_destroy: true, reject_if: proc { |attrs|
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attrs['quantity_id'].blank?
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}
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# Readout (quantity_id, unit_id) pair uniqueness check for nested attributes
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validate do
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quantities = self.readouts.map { |r| [r.quantity_id, r.unit_id] }
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if quantities.length != quantities.uniq.length
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errors.add(:readouts, :duplicated_quantity_unit_pair)
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end
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end
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validates :name, presence: true, uniqueness: {scope: :project_id}
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after_initialize do
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if new_record?
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self.hidden = false if self.hidden.nil?
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end
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end
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def toggle_hidden!
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self.toggle!(:hidden)
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end
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end
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