add more payment related shit

pkg/cart/cart-grain.go

@@ -84,6 +84,50 @@ type Notice struct {
 	Code      *string   `json:"code,omitempty"`
 }
 
+type PaymentStatus string
+type CartPaymentStatus PaymentStatus
+
+const (
+	PaymentStatusPending       PaymentStatus     = "pending"
+	PaymentStatusFailed        PaymentStatus     = "failed"
+	PaymentStatusSuccess       PaymentStatus     = "success"
+	CartPaymentStatusPending   CartPaymentStatus = "pending"
+	CartPaymentStatusFailed    CartPaymentStatus = "failed"
+	CartPaymentStatusSuccess   CartPaymentStatus = "success"
+	CartPaymentStatusCancelled CartPaymentStatus = "partial"
+)
+
+type CartPayment struct {
+	PaymentId          string          `json:"paymentId"`
+	Status             PaymentStatus   `json:"status"`
+	Amount             int64           `json:"amount"`
+	Currency           string          `json:"currency"`
+	Provider           string          `json:"provider,omitempty"`
+	Method             *string         `json:"method,omitempty"`
+	Events             []*PaymentEvent `json:"events,omitempty"`
+	ProcessorReference *string         `json:"processorReference,omitempty"`
+	StartedAt          *time.Time      `json:"startedAt,omitempty"`
+	CompletedAt        *time.Time      `json:"completedAt,omitempty"`
+}
+
+type PaymentEvent struct {
+	Name string          `json:"name"`
+	Data json.RawMessage `json:"data"`
+}
+
+func (p *CartPayment) IsSettled() bool {
+	if p == nil {
+		return false
+	}
+
+	switch p.Status {
+	case PaymentStatusSuccess:
+		return true
+	default:
+		return false
+	}
+}
+
 type Marking struct {
 	Type uint32 `json:"type"`
 	Text string `json:"text"`
@@ -119,15 +163,17 @@ type CartGrain struct {
 	Processing             bool                            `json:"processing"`
 	PaymentInProgress      bool                            `json:"paymentInProgress"`
 	OrderReference         string                          `json:"orderReference,omitempty"`
-	PaymentStatus          string                          `json:"paymentStatus,omitempty"`
+	PaymentStatus          PaymentStatus                   `json:"paymentStatus,omitempty"`
+	PaidInFull             bool                            `json:"paidInFull"`
 	Vouchers               []*Voucher                      `json:"vouchers,omitempty"`
 	Notifications          []CartNotification              `json:"cartNotification,omitempty"`
 	SubscriptionDetails    map[string]*SubscriptionDetails `json:"subscriptionDetails,omitempty"`
 	PaymentDeclinedNotices []Notice                        `json:"paymentDeclinedNotices,omitempty"`
+	Payments               []*CartPayment                  `json:"payments,omitempty"`
 	Confirmation           *ConfirmationStatus             `json:"confirmation,omitempty"`
-	CheckoutOrderId        string                          `json:"checkoutOrderId,omitempty"`
-	CheckoutStatus         string                          `json:"checkoutStatus,omitempty"`
-	CheckoutCountry        string                          `json:"checkoutCountry,omitempty"`
+	//CheckoutOrderId        string                          `json:"checkoutOrderId,omitempty"`
+	CheckoutStatus CartPaymentStatus `json:"checkoutStatus,omitempty"`
+	//CheckoutCountry        string                          `json:"checkoutCountry,omitempty"`
 }
 
 type ConfirmationStatus struct {
@@ -208,6 +254,7 @@ func NewCartGrain(id uint64, ts time.Time) *CartGrain {
 		Id:                  CartId(id),
 		Items:               []*CartItem{},
 		TotalPrice:          NewPrice(),
+		Payments:            []*CartPayment{},
 		SubscriptionDetails: make(map[string]*SubscriptionDetails),
 	}
 }
@@ -284,6 +331,53 @@ func (c *CartGrain) FindItemWithSku(sku string) (*CartItem, bool) {
 	return nil, false
 }
 
+func (c *CartGrain) FindPayment(paymentId string) (*CartPayment, bool) {
+	if paymentId == "" {
+		return nil, false
+	}
+	for _, payment := range c.Payments {
+		if payment != nil && payment.PaymentId == paymentId {
+			return payment, true
+		}
+	}
+	return nil, false
+}
+
+func (c *CartGrain) SettledPayments() []*CartPayment {
+	if len(c.Payments) == 0 {
+		return nil
+	}
+	settled := make([]*CartPayment, 0, len(c.Payments))
+	for _, payment := range c.Payments {
+		if payment != nil && payment.IsSettled() {
+			settled = append(settled, payment)
+		}
+	}
+	if len(settled) == 0 {
+		return nil
+	}
+	return settled
+}
+
+func (c *CartGrain) OpenPayments() []*CartPayment {
+	if len(c.Payments) == 0 {
+		return nil
+	}
+	pending := make([]*CartPayment, 0, len(c.Payments))
+	for _, payment := range c.Payments {
+		if payment == nil {
+			continue
+		}
+		if !payment.IsSettled() {
+			pending = append(pending, payment)
+		}
+	}
+	if len(pending) == 0 {
+		return nil
+	}
+	return pending
+}
+
 // func (c *CartGrain) Apply(content proto.Message, isReplay bool) (*CartGrain, error) {
 
 // 	updated, err := ApplyRegistered(c, content)
@@ -348,4 +442,5 @@ func (c *CartGrain) UpdateTotals() {
 			c.TotalPrice.Subtract(*value)
 		}
 	}
+
 }