51 lines
1.4 KiB
Ruby
51 lines
1.4 KiB
Ruby
class Ingredient < ActiveRecord::Base
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enum group: {
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other: 0,
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dish: 1,
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recipe: 2,
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meat: 3
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}
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# Has to go before any 'dependent:' association
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before_destroy do
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# FIXME: disallow destruction if any object depends on this quantity
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nil
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end
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belongs_to :project, required: true
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belongs_to :ref_unit, class_name: 'Unit', required: true
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belongs_to :source, required: false
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has_many :nutrients, inverse_of: :ingredient, dependent: :destroy, validate: true
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validates :nutrients, presence: true
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accepts_nested_attributes_for :nutrients, allow_destroy: true, reject_if: proc { |attrs|
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attrs['quantity_id'].blank? && attrs['amount'].blank?
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}
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# Nutrient quantity_id uniqueness check for nested attributes
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validate do
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quantities = self.nutrients.reject { |n| n.marked_for_destruction? }
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.map { |n| n.quantity_id }
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if quantities.length != quantities.uniq.length
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errors.add(:nutrients, :duplicated_quantity)
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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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validates :ref_amount, numericality: {greater_than: 0}
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validates :group, inclusion: {in: groups.keys}
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after_initialize do
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if new_record?
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self.ref_amount ||= 100
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units = self.project.units
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self.ref_unit ||= units.find_by(shortname: 'g') || units.first
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self.group ||= :other
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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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