优化结构
This commit is contained in:
Yvan
@@ -1,220 +0,0 @@
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package biz
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import (
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"context"
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"encoding/json"
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"errors"
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"strings"
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"sync"
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"time"
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)
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const (
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PaymentStatusInitialized = "initialized"
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PaymentStatusPending = "pending"
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PaymentStatusPaid = "paid"
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PaymentStatusFailed = "failed"
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PaymentStatusClosed = "closed"
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PaymentStatusPartiallyRefunded = "partially_refunded"
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PaymentStatusRefunded = "refunded"
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FulfillmentStatusPending = "pending"
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FulfillmentStatusProcessing = "processing"
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FulfillmentStatusSucceeded = "succeeded"
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FulfillmentStatusFailed = "failed"
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RefundStatusNone = "none"
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RefundStatusProcessing = "processing"
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RefundStatusPending = "pending"
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RefundStatusPartial = "partial"
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RefundStatusSucceeded = "succeeded"
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RefundStatusFailed = "failed"
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)
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var (
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ErrPaymentOrderNotFound = errors.New("支付订单不存在")
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ErrPaymentOrderConflict = errors.New("支付订单参数冲突")
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ErrPaymentOrderBusy = errors.New("支付订单正在处理中")
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ErrPaymentOrderState = errors.New("支付订单状态不允许当前操作")
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ErrPaymentProviderConflict = errors.New("支付平台交易号冲突")
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)
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// PaymentOrder is one payment attempt. Business modules own their domain
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// orders and link to this record through BusinessType and BusinessID.
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type PaymentOrder struct {
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ID uint64
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TradeNo string
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Provider string
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ProviderTradeNo string
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QueryID string
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BusinessType string
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BusinessID string
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Subject string
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PaymentMode string
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OriginalAmount int64
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Amount int64
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PaidAmount int64
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PayerPaidAmount int64
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CashPaidAmount int64
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PointPaidAmount int64
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DiscountAmount int64
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ProviderDiscountAmount int64
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MerchantDiscountAmount int64
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SettlementAmount int64
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Currency string
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PayerCurrency string
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AmountBreakdownKnown bool
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PaymentStatus string
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ProviderStatus string
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FulfillmentStatus string
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RefundStatus string
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RefundedAmount int64
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RefundRequestedAmount int64
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RefundNo string
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ConfirmationID string
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RequestFingerprint string
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CreatePayload json.RawMessage
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Extra json.RawMessage
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LastEventID string
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LastPayloadHash string
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LastError string
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FulfillmentToken string
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RefundToken string
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Version uint64
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CreatedAt time.Time
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UpdatedAt time.Time
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PaidAt *time.Time
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FulfilledAt *time.Time
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RefundedAt *time.Time
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FulfillmentLeaseUntil *time.Time
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RefundLeaseUntil *time.Time
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}
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type PaymentProviderUpdate struct {
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Status string
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ProviderStatus string
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ProviderTradeNo string
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QueryID string
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Amount int64
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PayerPaidAmount int64
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CashPaidAmount int64
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PointPaidAmount int64
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DiscountAmount int64
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ProviderDiscountAmount int64
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MerchantDiscountAmount int64
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SettlementAmount int64
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Currency string
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PayerCurrency string
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AmountBreakdownKnown bool
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EventID string
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PayloadHash string
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CreatePayload json.RawMessage
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}
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type PaymentOrderFilter struct {
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Provider string
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TradeNo string
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BusinessType string
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BusinessID string
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PaymentStatus string
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RefundStatus string
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}
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type PaymentOrderRepo interface {
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CreatePaymentOrder(context.Context, *PaymentOrder) (order *PaymentOrder, created bool, err error)
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FindPaymentOrder(context.Context, string, string) (*PaymentOrder, error)
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ListPaymentOrders(context.Context, int, int, PaymentOrderFilter) ([]*PaymentOrder, int64, error)
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RecordPaymentCreate(context.Context, string, string, *PaymentProviderUpdate) (*PaymentOrder, error)
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ApplyPaymentResult(context.Context, string, string, *PaymentProviderUpdate) (*PaymentOrder, error)
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BeginPaymentFulfillment(context.Context, string, string, time.Duration) (order *PaymentOrder, token string, duplicate bool, err error)
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CompletePaymentFulfillment(context.Context, string, string, string, bool, string) (*PaymentOrder, error)
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BeginPaymentRefund(context.Context, string, string, int64, time.Duration) (order *PaymentOrder, token string, err error)
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CompletePaymentRefundRequest(context.Context, string, string, string, bool, string) (*PaymentOrder, error)
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ConfirmPaymentRefund(context.Context, string, string, string, int64, bool, string) (*PaymentOrder, error)
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}
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// PaymentOrderSource is implemented by each business module. It returns the
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// canonical order facts; client-provided amount, currency and subject are not
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// trusted once the persistent payment-order flow is enabled.
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type PaymentOrderSource interface {
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Type() string
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PreparePayment(context.Context, string, string, string) (*PaymentIntent, error)
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}
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type PaymentBusinessModule interface {
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PaymentOrderSource
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PaymentFulfillmentHandler
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PaymentRefundAuthorizer
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}
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type PaymentRefundAuthorizer interface {
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AuthorizeRefund(context.Context, *PaymentOrder, int64) error
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}
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type PaymentOrderSourceRegistry struct {
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mu sync.RWMutex
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sources map[string]PaymentOrderSource
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}
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func NewPaymentOrderSourceRegistry() *PaymentOrderSourceRegistry {
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return &PaymentOrderSourceRegistry{sources: map[string]PaymentOrderSource{}}
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}
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func (r *PaymentOrderSourceRegistry) Register(source PaymentOrderSource) error {
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if source == nil || strings.TrimSpace(source.Type()) == "" {
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return errors.New("支付业务订单来源无效")
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}
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r.mu.Lock()
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defer r.mu.Unlock()
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if _, exists := r.sources[source.Type()]; exists {
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return errors.New("支付业务订单来源已注册: " + source.Type())
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}
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r.sources[source.Type()] = source
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return nil
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}
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func (r *PaymentOrderSourceRegistry) Source(kind string) PaymentOrderSource {
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if r == nil {
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return nil
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}
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r.mu.RLock()
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defer r.mu.RUnlock()
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return r.sources[kind]
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}
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func (r *PaymentOrderSourceRegistry) Unregister(kind string) {
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if r == nil {
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return
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}
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r.mu.Lock()
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defer r.mu.Unlock()
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delete(r.sources, kind)
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}
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func (o *PaymentOrder) Intent() *PaymentIntent {
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if o == nil {
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return nil
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}
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return &PaymentIntent{
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Provider: o.Provider,
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TradeNo: o.TradeNo,
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BusinessType: o.BusinessType,
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BusinessID: o.BusinessID,
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Subject: o.Subject,
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Amount: o.Amount,
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Currency: o.Currency,
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Extra: append(json.RawMessage(nil), o.Extra...),
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PaymentMode: defaultPaymentMode(o.Provider, o.PaymentMode),
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OriginalAmount: o.OriginalAmount,
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}
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}
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func defaultPaymentMode(provider, mode string) string {
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if strings.TrimSpace(mode) != "" {
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return mode
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}
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if provider == PaymentInternal {
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return PaymentModeInternal
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}
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return PaymentModeExternal
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}
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