David Underwood
882c18b5e6
Checkout now stores its items using a quantity and a link back to the original product instance. It has a reference to the store to make sure that product IDs added are valid
23 lines
309 B
Ruby
23 lines
309 B
Ruby
class ProductInCheckout
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def initialize(product:, quantity: 0)
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@product = product
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@quantity = quantity
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end
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def product_id
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@product.id
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end
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def quantity
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@quantity
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end
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def add_quantity(quantity)
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@quantity += quantity
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end
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def total
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@product.price * quantity
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end
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end
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