48 lines
1009 B
Go
48 lines
1009 B
Go
package checkout
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import (
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"fmt"
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"time"
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messages "git.k6n.net/go-cart-actor/proto/checkout"
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)
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// PaymentCompleted registers the completion of a payment for a checkout.
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func HandlePaymentCompleted(g *CheckoutGrain, m *messages.PaymentCompleted) error {
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if m == nil {
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return fmt.Errorf("PaymentCompleted: nil payload")
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}
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paymentId := m.PaymentId
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payment, found := g.FindPayment(paymentId)
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if !found {
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return fmt.Errorf("PaymentCompleted: payment not found")
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}
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payment.ProcessorReference = m.ProcessorReference
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payment.Status = PaymentStatusSuccess
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if m.Amount > 0 {
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payment.Amount = m.Amount
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}
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if m.Currency != "" {
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payment.Currency = m.Currency
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}
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if m.CompletedAt != nil {
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*payment.CompletedAt = m.CompletedAt.AsTime()
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} else {
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*payment.CompletedAt = time.Now()
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}
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// Update checkout status
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g.PaymentInProgress--
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sum := g.CartState.TotalPrice.IncVat
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for _, payment := range g.SettledPayments() {
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sum -= payment.Amount
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}
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g.AmountInCentsRemaining = sum
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return nil
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}
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