342dbd2e19
Product name (e.g. "快代码科技工作室 100 元") should show the user's original recharge amount (limitAmount), not the fee-inclusive pay amount. The gateway receives payAmount separately for actual charging.
327 lines
12 KiB
Go
327 lines
12 KiB
Go
package service
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"log/slog"
|
|
"math"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
dbent "github.com/Wei-Shaw/sub2api/ent"
|
|
"github.com/Wei-Shaw/sub2api/ent/paymentorder"
|
|
"github.com/Wei-Shaw/sub2api/internal/payment"
|
|
"github.com/Wei-Shaw/sub2api/internal/payment/provider"
|
|
infraerrors "github.com/Wei-Shaw/sub2api/internal/pkg/errors"
|
|
)
|
|
|
|
// --- Order Creation ---
|
|
|
|
func (s *PaymentService) CreateOrder(ctx context.Context, req CreateOrderRequest) (*CreateOrderResponse, error) {
|
|
if req.OrderType == "" {
|
|
req.OrderType = payment.OrderTypeBalance
|
|
}
|
|
cfg, err := s.configService.GetPaymentConfig(ctx)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("get payment config: %w", err)
|
|
}
|
|
if !cfg.Enabled {
|
|
return nil, infraerrors.Forbidden("PAYMENT_DISABLED", "payment system is disabled")
|
|
}
|
|
plan, err := s.validateOrderInput(ctx, req, cfg)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if err := s.checkCancelRateLimit(ctx, req.UserID, cfg); err != nil {
|
|
return nil, err
|
|
}
|
|
user, err := s.userRepo.GetByID(ctx, req.UserID)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("get user: %w", err)
|
|
}
|
|
if user.Status != payment.EntityStatusActive {
|
|
return nil, infraerrors.Forbidden("USER_INACTIVE", "user account is disabled")
|
|
}
|
|
orderAmount := req.Amount
|
|
limitAmount := req.Amount
|
|
if plan != nil {
|
|
orderAmount = plan.Price
|
|
limitAmount = plan.Price
|
|
} else if req.OrderType == payment.OrderTypeBalance {
|
|
orderAmount = calculateCreditedBalance(req.Amount, cfg.BalanceRechargeMultiplier)
|
|
}
|
|
feeRate := cfg.RechargeFeeRate
|
|
payAmountStr := payment.CalculatePayAmount(limitAmount, feeRate)
|
|
payAmount, _ := strconv.ParseFloat(payAmountStr, 64)
|
|
order, err := s.createOrderInTx(ctx, req, user, plan, cfg, orderAmount, limitAmount, feeRate, payAmount)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
resp, err := s.invokeProvider(ctx, order, req, cfg, limitAmount, payAmountStr, payAmount, plan)
|
|
if err != nil {
|
|
_, _ = s.entClient.PaymentOrder.UpdateOneID(order.ID).
|
|
SetStatus(OrderStatusFailed).
|
|
Save(ctx)
|
|
return nil, err
|
|
}
|
|
return resp, nil
|
|
}
|
|
|
|
func (s *PaymentService) validateOrderInput(ctx context.Context, req CreateOrderRequest, cfg *PaymentConfig) (*dbent.SubscriptionPlan, error) {
|
|
if req.OrderType == payment.OrderTypeBalance && cfg.BalanceDisabled {
|
|
return nil, infraerrors.Forbidden("BALANCE_PAYMENT_DISABLED", "balance recharge has been disabled")
|
|
}
|
|
if req.OrderType == payment.OrderTypeSubscription {
|
|
return s.validateSubOrder(ctx, req)
|
|
}
|
|
if math.IsNaN(req.Amount) || math.IsInf(req.Amount, 0) || req.Amount <= 0 {
|
|
return nil, infraerrors.BadRequest("INVALID_AMOUNT", "amount must be a positive number")
|
|
}
|
|
if (cfg.MinAmount > 0 && req.Amount < cfg.MinAmount) || (cfg.MaxAmount > 0 && req.Amount > cfg.MaxAmount) {
|
|
return nil, infraerrors.BadRequest("INVALID_AMOUNT", "amount out of range").
|
|
WithMetadata(map[string]string{"min": fmt.Sprintf("%.2f", cfg.MinAmount), "max": fmt.Sprintf("%.2f", cfg.MaxAmount)})
|
|
}
|
|
return nil, nil
|
|
}
|
|
|
|
func (s *PaymentService) validateSubOrder(ctx context.Context, req CreateOrderRequest) (*dbent.SubscriptionPlan, error) {
|
|
if req.PlanID == 0 {
|
|
return nil, infraerrors.BadRequest("INVALID_INPUT", "subscription order requires a plan")
|
|
}
|
|
plan, err := s.configService.GetPlan(ctx, req.PlanID)
|
|
if err != nil || !plan.ForSale {
|
|
return nil, infraerrors.NotFound("PLAN_NOT_AVAILABLE", "plan not found or not for sale")
|
|
}
|
|
group, err := s.groupRepo.GetByID(ctx, plan.GroupID)
|
|
if err != nil || group.Status != payment.EntityStatusActive {
|
|
return nil, infraerrors.NotFound("GROUP_NOT_FOUND", "subscription group is no longer available")
|
|
}
|
|
if !group.IsSubscriptionType() {
|
|
return nil, infraerrors.BadRequest("GROUP_TYPE_MISMATCH", "group is not a subscription type")
|
|
}
|
|
return plan, nil
|
|
}
|
|
|
|
func (s *PaymentService) createOrderInTx(ctx context.Context, req CreateOrderRequest, user *User, plan *dbent.SubscriptionPlan, cfg *PaymentConfig, orderAmount, limitAmount, feeRate, payAmount float64) (*dbent.PaymentOrder, error) {
|
|
tx, err := s.entClient.Tx(ctx)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("begin transaction: %w", err)
|
|
}
|
|
defer func() { _ = tx.Rollback() }()
|
|
if err := s.checkPendingLimit(ctx, tx, req.UserID, cfg.MaxPendingOrders); err != nil {
|
|
return nil, err
|
|
}
|
|
if err := s.checkDailyLimit(ctx, tx, req.UserID, limitAmount, cfg.DailyLimit); err != nil {
|
|
return nil, err
|
|
}
|
|
tm := cfg.OrderTimeoutMin
|
|
if tm <= 0 {
|
|
tm = defaultOrderTimeoutMin
|
|
}
|
|
exp := time.Now().Add(time.Duration(tm) * time.Minute)
|
|
b := tx.PaymentOrder.Create().
|
|
SetUserID(req.UserID).
|
|
SetUserEmail(user.Email).
|
|
SetUserName(user.Username).
|
|
SetNillableUserNotes(psNilIfEmpty(user.Notes)).
|
|
SetAmount(orderAmount).
|
|
SetPayAmount(payAmount).
|
|
SetFeeRate(feeRate).
|
|
SetRechargeCode("").
|
|
SetOutTradeNo(generateOutTradeNo()).
|
|
SetPaymentType(req.PaymentType).
|
|
SetPaymentTradeNo("").
|
|
SetOrderType(req.OrderType).
|
|
SetStatus(OrderStatusPending).
|
|
SetExpiresAt(exp).
|
|
SetClientIP(req.ClientIP).
|
|
SetSrcHost(req.SrcHost)
|
|
if req.SrcURL != "" {
|
|
b.SetSrcURL(req.SrcURL)
|
|
}
|
|
if plan != nil {
|
|
b.SetPlanID(plan.ID).SetSubscriptionGroupID(plan.GroupID).SetSubscriptionDays(psComputeValidityDays(plan.ValidityDays, plan.ValidityUnit))
|
|
}
|
|
order, err := b.Save(ctx)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("create order: %w", err)
|
|
}
|
|
code := fmt.Sprintf("PAY-%d-%d", order.ID, time.Now().UnixNano()%100000)
|
|
order, err = tx.PaymentOrder.UpdateOneID(order.ID).SetRechargeCode(code).Save(ctx)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("set recharge code: %w", err)
|
|
}
|
|
if err := tx.Commit(); err != nil {
|
|
return nil, fmt.Errorf("commit order transaction: %w", err)
|
|
}
|
|
return order, nil
|
|
}
|
|
|
|
func (s *PaymentService) checkPendingLimit(ctx context.Context, tx *dbent.Tx, userID int64, max int) error {
|
|
if max <= 0 {
|
|
max = defaultMaxPendingOrders
|
|
}
|
|
c, err := tx.PaymentOrder.Query().Where(paymentorder.UserIDEQ(userID), paymentorder.StatusEQ(OrderStatusPending)).Count(ctx)
|
|
if err != nil {
|
|
return fmt.Errorf("count pending orders: %w", err)
|
|
}
|
|
if c >= max {
|
|
return infraerrors.TooManyRequests("TOO_MANY_PENDING", fmt.Sprintf("too many pending orders (max %d)", max)).
|
|
WithMetadata(map[string]string{"max": strconv.Itoa(max)})
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (s *PaymentService) checkDailyLimit(ctx context.Context, tx *dbent.Tx, userID int64, amount, limit float64) error {
|
|
if limit <= 0 {
|
|
return nil
|
|
}
|
|
ts := psStartOfDayUTC(time.Now())
|
|
orders, err := tx.PaymentOrder.Query().Where(paymentorder.UserIDEQ(userID), paymentorder.StatusIn(OrderStatusPaid, OrderStatusRecharging, OrderStatusCompleted), paymentorder.PaidAtGTE(ts)).All(ctx)
|
|
if err != nil {
|
|
return fmt.Errorf("query daily usage: %w", err)
|
|
}
|
|
var used float64
|
|
for _, o := range orders {
|
|
if o.OrderType == payment.OrderTypeBalance {
|
|
used += o.PayAmount
|
|
continue
|
|
}
|
|
used += o.Amount
|
|
}
|
|
if used+amount > limit {
|
|
return infraerrors.TooManyRequests("DAILY_LIMIT_EXCEEDED", fmt.Sprintf("daily recharge limit reached, remaining: %.2f", math.Max(0, limit-used)))
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (s *PaymentService) invokeProvider(ctx context.Context, order *dbent.PaymentOrder, req CreateOrderRequest, cfg *PaymentConfig, limitAmount float64, payAmountStr string, payAmount float64, plan *dbent.SubscriptionPlan) (*CreateOrderResponse, error) {
|
|
// Select an instance across all providers that support the requested payment type.
|
|
// This enables cross-provider load balancing (e.g. EasyPay + Alipay direct for "alipay").
|
|
sel, err := s.loadBalancer.SelectInstance(ctx, "", req.PaymentType, payment.Strategy(cfg.LoadBalanceStrategy), payAmount)
|
|
if err != nil {
|
|
return nil, infraerrors.ServiceUnavailable("PAYMENT_GATEWAY_ERROR", fmt.Sprintf("payment method (%s) is not configured", req.PaymentType))
|
|
}
|
|
if sel == nil {
|
|
return nil, infraerrors.TooManyRequests("NO_AVAILABLE_INSTANCE", "no available payment instance")
|
|
}
|
|
prov, err := provider.CreateProvider(sel.ProviderKey, sel.InstanceID, sel.Config)
|
|
if err != nil {
|
|
return nil, infraerrors.ServiceUnavailable("PAYMENT_GATEWAY_ERROR", "payment method is temporarily unavailable")
|
|
}
|
|
subject := s.buildPaymentSubject(plan, limitAmount, cfg)
|
|
outTradeNo := order.OutTradeNo
|
|
pr, err := prov.CreatePayment(ctx, payment.CreatePaymentRequest{OrderID: outTradeNo, Amount: payAmountStr, PaymentType: req.PaymentType, Subject: subject, ClientIP: req.ClientIP, IsMobile: req.IsMobile, InstanceSubMethods: sel.SupportedTypes})
|
|
if err != nil {
|
|
slog.Error("[PaymentService] CreatePayment failed", "provider", sel.ProviderKey, "instance", sel.InstanceID, "error", err)
|
|
return nil, infraerrors.ServiceUnavailable("PAYMENT_GATEWAY_ERROR", fmt.Sprintf("payment gateway error: %s", err.Error()))
|
|
}
|
|
_, err = s.entClient.PaymentOrder.UpdateOneID(order.ID).SetNillablePaymentTradeNo(psNilIfEmpty(pr.TradeNo)).SetNillablePayURL(psNilIfEmpty(pr.PayURL)).SetNillableQrCode(psNilIfEmpty(pr.QRCode)).SetNillableProviderInstanceID(psNilIfEmpty(sel.InstanceID)).Save(ctx)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("update order with payment details: %w", err)
|
|
}
|
|
s.writeAuditLog(ctx, order.ID, "ORDER_CREATED", fmt.Sprintf("user:%d", req.UserID), map[string]any{
|
|
"paymentAmount": req.Amount,
|
|
"creditedAmount": order.Amount,
|
|
"payAmount": order.PayAmount,
|
|
"paymentType": req.PaymentType,
|
|
"orderType": req.OrderType,
|
|
})
|
|
return &CreateOrderResponse{OrderID: order.ID, Amount: order.Amount, PayAmount: payAmount, FeeRate: order.FeeRate, Status: OrderStatusPending, PaymentType: req.PaymentType, PayURL: pr.PayURL, QRCode: pr.QRCode, ClientSecret: pr.ClientSecret, ExpiresAt: order.ExpiresAt, PaymentMode: sel.PaymentMode}, nil
|
|
}
|
|
|
|
func (s *PaymentService) buildPaymentSubject(plan *dbent.SubscriptionPlan, limitAmount float64, cfg *PaymentConfig) string {
|
|
if plan != nil {
|
|
if plan.ProductName != "" {
|
|
return plan.ProductName
|
|
}
|
|
return "Sub2API Subscription " + plan.Name
|
|
}
|
|
amountStr := strconv.FormatFloat(limitAmount, 'f', 2, 64)
|
|
pf := strings.TrimSpace(cfg.ProductNamePrefix)
|
|
sf := strings.TrimSpace(cfg.ProductNameSuffix)
|
|
if pf != "" || sf != "" {
|
|
return strings.TrimSpace(pf + " " + amountStr + " " + sf)
|
|
}
|
|
return "Sub2API " + amountStr + " CNY"
|
|
}
|
|
|
|
// --- Order Queries ---
|
|
|
|
func (s *PaymentService) GetOrder(ctx context.Context, orderID, userID int64) (*dbent.PaymentOrder, error) {
|
|
o, err := s.entClient.PaymentOrder.Get(ctx, orderID)
|
|
if err != nil {
|
|
return nil, infraerrors.NotFound("NOT_FOUND", "order not found")
|
|
}
|
|
if o.UserID != userID {
|
|
return nil, infraerrors.Forbidden("FORBIDDEN", "no permission for this order")
|
|
}
|
|
return o, nil
|
|
}
|
|
|
|
func (s *PaymentService) GetOrderByID(ctx context.Context, orderID int64) (*dbent.PaymentOrder, error) {
|
|
o, err := s.entClient.PaymentOrder.Get(ctx, orderID)
|
|
if err != nil {
|
|
return nil, infraerrors.NotFound("NOT_FOUND", "order not found")
|
|
}
|
|
return o, nil
|
|
}
|
|
|
|
func (s *PaymentService) GetUserOrders(ctx context.Context, userID int64, p OrderListParams) ([]*dbent.PaymentOrder, int, error) {
|
|
q := s.entClient.PaymentOrder.Query().Where(paymentorder.UserIDEQ(userID))
|
|
if p.Status != "" {
|
|
q = q.Where(paymentorder.StatusEQ(p.Status))
|
|
}
|
|
if p.OrderType != "" {
|
|
q = q.Where(paymentorder.OrderTypeEQ(p.OrderType))
|
|
}
|
|
if p.PaymentType != "" {
|
|
q = q.Where(paymentorder.PaymentTypeEQ(p.PaymentType))
|
|
}
|
|
total, err := q.Clone().Count(ctx)
|
|
if err != nil {
|
|
return nil, 0, fmt.Errorf("count user orders: %w", err)
|
|
}
|
|
ps, pg := applyPagination(p.PageSize, p.Page)
|
|
orders, err := q.Order(dbent.Desc(paymentorder.FieldCreatedAt)).Limit(ps).Offset((pg - 1) * ps).All(ctx)
|
|
if err != nil {
|
|
return nil, 0, fmt.Errorf("query user orders: %w", err)
|
|
}
|
|
return orders, total, nil
|
|
}
|
|
|
|
// AdminListOrders returns a paginated list of orders. If userID > 0, filters by user.
|
|
func (s *PaymentService) AdminListOrders(ctx context.Context, userID int64, p OrderListParams) ([]*dbent.PaymentOrder, int, error) {
|
|
q := s.entClient.PaymentOrder.Query()
|
|
if userID > 0 {
|
|
q = q.Where(paymentorder.UserIDEQ(userID))
|
|
}
|
|
if p.Status != "" {
|
|
q = q.Where(paymentorder.StatusEQ(p.Status))
|
|
}
|
|
if p.OrderType != "" {
|
|
q = q.Where(paymentorder.OrderTypeEQ(p.OrderType))
|
|
}
|
|
if p.PaymentType != "" {
|
|
q = q.Where(paymentorder.PaymentTypeEQ(p.PaymentType))
|
|
}
|
|
if p.Keyword != "" {
|
|
q = q.Where(paymentorder.Or(
|
|
paymentorder.OutTradeNoContainsFold(p.Keyword),
|
|
paymentorder.UserEmailContainsFold(p.Keyword),
|
|
paymentorder.UserNameContainsFold(p.Keyword),
|
|
))
|
|
}
|
|
total, err := q.Clone().Count(ctx)
|
|
if err != nil {
|
|
return nil, 0, fmt.Errorf("count admin orders: %w", err)
|
|
}
|
|
ps, pg := applyPagination(p.PageSize, p.Page)
|
|
orders, err := q.Order(dbent.Desc(paymentorder.FieldCreatedAt)).Limit(ps).Offset((pg - 1) * ps).All(ctx)
|
|
if err != nil {
|
|
return nil, 0, fmt.Errorf("query admin orders: %w", err)
|
|
}
|
|
return orders, total, nil
|
|
}
|