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19 lines
No EOL
333 B
Ruby
19 lines
No EOL
333 B
Ruby
class InvoiceItem < ApplicationRecord
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include Versions
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belongs_to :invoice
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delegate :vat_rate, to: :invoice
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def item_sum_without_vat
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(price * quantity).round(2)
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end
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alias_method :subtotal, :item_sum_without_vat
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def vat_amount
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subtotal * (vat_rate / 100)
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end
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def total
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subtotal + vat_amount
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end
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end |