40 lines
897 B
Ruby
40 lines
897 B
Ruby
class RecipeIngredient < ActiveRecord::Base
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belongs_to :ingredient
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belongs_to :recipe, inverse_of: :recipe_ingredients
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validates :sort_order, presence: true
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validates :custom_density, density: true, allow_blank: true
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def name
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if self.ingredient_id.present?
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self.ingredient.name
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else
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super
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end
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end
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def display_name
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if quantity.present? && units.present?
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"#{quantity} #{units} #{name}"
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elsif quantity.present?
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"#{quantity} #{name}"
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elsif units.present?
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"#{units} #{name}"
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else
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name
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end
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end
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def scale(factor, auto_unit = false)
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if factor.present? && self.quantity.present? && factor != '1'
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self.quantity = UnitConversion.convert(self.quantity, factor, nil, nil)
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if auto_unit
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self.quantity, self.units = UnitConversion.auto_unit(self.quantity, self.units)
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end
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end
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end
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end
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