46 lines
1.2 KiB
Ruby
46 lines
1.2 KiB
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? && attrs['value'].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
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validates :taken_at, presence: true
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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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self.taken_at = Time.now
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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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def taken_at_date
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self.taken_at
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end
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def taken_at_date=(value)
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self.taken_at = Time.parse(value, self.taken_at)
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end
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def taken_at_time
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self.taken_at
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end
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def taken_at_time=(value)
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self.taken_at = Time.parse(value, self.taken_at)
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end
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end
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