20 lines
615 B
Ruby
20 lines
615 B
Ruby
class Ingredient < ActiveRecord::Base
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belongs_to :composition, inverse_of: :ingredients, polymorphic: true, required: true
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belongs_to :food, required: true
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belongs_to :part_of, required: false
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has_many :nutrients, through: :food
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DOMAIN = :diet
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alias_attribute :subitems, :nutrients
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scope :with_subitems, -> { includes(nutrients: [:quantity, :unit]) }
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validates :ready_ratio, numericality: {greater_than_or_equal_to: 0.0}
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validates :amount, numericality: {greater_than_or_equal_to: 0.0}
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after_initialize do
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if new_record?
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self.ready_ratio ||= BigDecimal.new('1.0')
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end
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end
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end
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