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backend/internal/modules/payment/presenter.go

@@ -0,0 +1,117 @@
+package payment
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"gorm.io/datatypes"
+	"hfb_sys/backend/internal/model"
+	"hfb_sys/backend/internal/timeutil"
+	"math"
+	"time"
+)
+
+func toDTO(payment model.PaymentOrder) PaymentDTO {
+	return PaymentDTO{
+		ID:              payment.ID,
+		PaymentNo:       payment.PaymentNo,
+		OrderID:         payment.OrderID,
+		OrderNo:         payment.OrderNo,
+		Provider:        payment.Provider,
+		ThirdOrderID:    payment.ThirdOrderID,
+		ProviderOrderID: payment.ProviderOrderID,
+		PayWay:          payment.PayWay,
+		JSPayFlag:       payment.JSPayFlag,
+		AmountCent:      payment.AmountCent,
+		Status:          payment.Status,
+		TDCode:          payment.TDCode,
+		JSPayURL:        payment.JSPayURL,
+		JSPayInfo:       payment.JSPayInfo,
+		Paid:            payment.Status == "paid",
+		PaidAt:          payment.PaidAt,
+		CreatedAt:       payment.CreatedAt,
+		UpdatedAt:       payment.UpdatedAt,
+	}
+}
+func paymentErrorSummary(status string, raw datatypes.JSON) (string, string) {
+	if status != "failed" {
+		return "", ""
+	}
+	if len(raw) == 0 {
+		return "", ""
+	}
+	var payload map[string]any
+	if err := json.Unmarshal(raw, &payload); err != nil {
+		return "", ""
+	}
+	code := firstStringValue(payload, "code", "resp_code", "result_code", "error_code", "status")
+	message := firstStringValue(payload, "msg", "message", "error", "error_message", "result_msg", "result_desc")
+	return code, message
+}
+func moneyCent(value float64) int64 {
+	return int64(math.Round(value * 100))
+}
+func parseCent(value string) int64 {
+	var amount int64
+	_, _ = fmt.Sscanf(value, "%d", &amount)
+	return amount
+}
+func parseChannelTime(value string) *time.Time {
+	if value == "" {
+		return nil
+	}
+	for _, layout := range []string{"2006-01-02 15:04:05", "20060102150405", time.RFC3339} {
+		parsed, err := time.ParseInLocation(layout, value, timeutil.ShanghaiLocation())
+		if err == nil {
+			return &parsed
+		}
+	}
+	return nil
+}
+func jsonMap(value map[string]string) datatypes.JSON {
+	if value == nil {
+		return nil
+	}
+	raw, err := json.Marshal(value)
+	if err != nil {
+		return nil
+	}
+	return datatypes.JSON(raw)
+}
+func withRawSource(raw map[string]string, source string) map[string]string {
+	out := map[string]string{}
+	for key, value := range raw {
+		out[key] = value
+	}
+	if source != "" {
+		out["_source"] = source
+	}
+	out["_recorded_at"] = time.Now().Format(time.RFC3339)
+	return out
+}
+func jsonString(value map[string]string) string {
+	if len(value) == 0 {
+		return "{}"
+	}
+	raw, err := json.Marshal(value)
+	if err != nil {
+		return "{}"
+	}
+	return string(raw)
+}
+func newPaymentNo() (string, error) {
+	buf := make([]byte, 4)
+	if _, err := rand.Read(buf); err != nil {
+		return "", err
+	}
+	return fmt.Sprintf("PAY%d%s", time.Now().UnixNano(), hex.EncodeToString(buf)), nil
+}
+func firstNonEmpty(values ...string) string {
+	for _, value := range values {
+		if value != "" {
+			return value
+		}
+	}
+	return ""
+}