356 lines
14 KiB
Go
356 lines
14 KiB
Go
package app
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import (
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"context"
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"errors"
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"fmt"
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"net/http"
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"strings"
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"time"
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"infinite-canvas/backend/internal/model"
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"infinite-canvas/backend/internal/payment"
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"infinite-canvas/backend/internal/repository"
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"gorm.io/gorm"
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)
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var paymentBillLocation = time.FixedZone("Asia/Shanghai", 8*60*60)
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type RunPaymentReconciliationRequest struct {
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ProviderID string `json:"providerId"`
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BillDate string `json:"billDate"`
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}
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type AdminPaymentReconciliationPage struct {
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Runs []model.PaymentReconciliationRun `json:"runs"`
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Total int64 `json:"total"`
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Page int `json:"page"`
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Limit int `json:"pageSize"`
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}
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type AdminPaymentReconciliationItemPage struct {
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Run model.PaymentReconciliationRun `json:"run"`
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Items []model.PaymentReconciliationItem `json:"items"`
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Total int64 `json:"total"`
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Page int `json:"page"`
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Limit int `json:"pageSize"`
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}
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func (s *Service) RunPaymentReconciliation(ctx context.Context, actor *model.User, request RunPaymentReconciliationRequest) (*model.PaymentReconciliationRun, error) {
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if err := s.RequireAdmin(actor); err != nil {
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return nil, err
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}
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return s.runPaymentReconciliation(ctx, actor, strings.TrimSpace(request.ProviderID), strings.TrimSpace(request.BillDate))
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}
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func (s *Service) runPaymentReconciliation(ctx context.Context, actor *model.User, providerID, billDateValue string) (*model.PaymentReconciliationRun, error) {
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provider, ok := s.paymentRegistry.Get(providerID)
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if !ok {
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return nil, BadAuthRequest("未知支付渠道")
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}
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billDate, err := parsePaymentBillDate(billDateValue)
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if err != nil {
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return nil, BadAuthRequest(err.Error())
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}
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config, err := s.repo.LatestPaymentProviderConfig(providerID)
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, BadAuthRequest("支付渠道尚未配置")
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}
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if err != nil {
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return nil, err
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}
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values, err := s.decryptPaymentConfig(config)
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if err != nil {
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return nil, err
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}
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if err := provider.ValidateConfig(values); err != nil {
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return nil, BadAuthRequest(err.Error())
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}
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startedBy := "system"
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if actor != nil {
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startedBy = actor.ID
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}
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run, started, err := s.repo.BeginPaymentReconciliation(&model.PaymentReconciliationRun{
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ID: newID(), ProviderID: providerID, ConfigID: config.ID, BillDate: billDateValue,
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Status: model.PaymentReconciliationRunning, StartedBy: startedBy, StartedAt: time.Now(),
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})
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if err != nil || !started {
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return run, err
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}
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if actor != nil {
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if err := s.appendAdminAudit(actor, "payment_reconciliation.run", "payment_provider", providerID, "执行支付渠道对账", map[string]any{"billDate": billDateValue, "runId": run.ID}); err != nil {
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_ = s.repo.FailPaymentReconciliation(run.ID, safePaymentError(err))
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return nil, err
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}
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}
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start := billDate.In(paymentBillLocation)
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end := start.AddDate(0, 0, 1)
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localCredited, err := s.repo.CreditedPaymentOrdersBetween(providerID, start, end)
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if err != nil {
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return s.failPaymentReconciliation(run, err)
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}
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records, err := provider.DownloadTradeBill(ctx, values, billDate)
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if errors.Is(err, payment.ErrTradeBillNotFound) && len(localCredited) == 0 {
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candidateCount, countErr := s.repo.UnresolvedPaymentOrderCandidateCountOverlapping(providerID, start, end)
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if countErr != nil {
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return s.failPaymentReconciliation(run, countErr)
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}
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if candidateCount == 0 {
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records = []payment.BillRecord{}
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err = nil
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}
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}
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if err != nil {
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return s.failPaymentReconciliation(run, err)
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}
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items, matched, recovered, failed, err := s.comparePaymentReconciliation(ctx, provider, values, run, billDate, records, localCredited)
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if err != nil {
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return s.failPaymentReconciliation(run, err)
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}
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if err := s.repo.CompletePaymentReconciliation(run.ID, items, matched, recovered, failed); err != nil {
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return s.failPaymentReconciliation(run, err)
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}
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return s.repo.PaymentReconciliationRun(run.ID)
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}
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func (s *Service) comparePaymentReconciliation(ctx context.Context, provider payment.Provider, values payment.Config, run *model.PaymentReconciliationRun, billDate time.Time, records []payment.BillRecord, localCredited []model.PaymentOrder) ([]model.PaymentReconciliationItem, int, int, int, error) {
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items := make([]model.PaymentReconciliationItem, 0, len(records)+len(localCredited))
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seen := make(map[string]struct{}, len(records))
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matched, recovered, failed := 0, 0, 0
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for _, record := range records {
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merchantOrderNo := strings.TrimSpace(record.MerchantOrderNo)
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if merchantOrderNo == "" {
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continue
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}
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if _, duplicate := seen[merchantOrderNo]; duplicate {
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continue
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}
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seen[merchantOrderNo] = struct{}{}
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item := model.PaymentReconciliationItem{
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ID: newID(), RunID: run.ID, ProviderID: run.ProviderID,
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MerchantOrderNo: merchantOrderNo, ProviderTradeNo: strings.TrimSpace(record.ProviderTradeNo),
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AmountFen: record.AmountFen, Currency: record.Currency, CreatedAt: time.Now(),
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}
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order, err := s.repo.PaymentOrderByMerchant(run.ProviderID, merchantOrderNo)
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if errors.Is(err, gorm.ErrRecordNotFound) {
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item.Result = model.PaymentReconciliationLocalOrderNotFound
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item.Detail = "渠道账单存在成功交易，但本地订单不存在"
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items = append(items, item)
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failed++
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continue
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}
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if err != nil {
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return nil, 0, 0, 0, err
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}
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item.PaymentOrderID = order.ID
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if record.AmountFen != order.AmountFen || record.Currency != order.Currency {
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item.Result = model.PaymentReconciliationAmountMismatch
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item.Detail = fmt.Sprintf("渠道金额 %d %s，本地金额 %d %s", record.AmountFen, record.Currency, order.AmountFen, order.Currency)
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items = append(items, item)
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failed++
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continue
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}
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if order.ProviderTradeNo != nil && *order.ProviderTradeNo != "" && *order.ProviderTradeNo != record.ProviderTradeNo {
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item.Result = model.PaymentReconciliationTradeNoMismatch
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item.Detail = "渠道交易号与本地已记录交易号不一致"
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items = append(items, item)
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failed++
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continue
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}
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if order.Status == model.PaymentOrderCredited {
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item.Result = model.PaymentReconciliationMatched
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item.Resolved = true
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items = append(items, item)
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matched++
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continue
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}
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// A downloaded bill is a reconciliation hint, not sufficient payment
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// authorization. This is especially important for Alipay bill URLs that
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// may use the provider-documented HTTP download host. Confirm every
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// recovery through the signed API response before granting credits.
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confirmed, confirmErr := provider.QueryOrder(ctx, values, payment.QueryRequest{MerchantOrderNo: merchantOrderNo})
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if confirmErr != nil {
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item.Result = model.PaymentReconciliationCreditFailed
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item.Detail = "渠道账单显示已支付，但签名查单确认失败：" + safePaymentReconciliationError(confirmErr)
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items = append(items, item)
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failed++
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continue
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}
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if strings.TrimSpace(confirmed.MerchantOrderNo) != merchantOrderNo || !confirmed.Paid {
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item.Result = model.PaymentReconciliationCreditFailed
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item.Detail = "渠道账单显示已支付，但签名查单未确认该订单已支付"
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items = append(items, item)
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failed++
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continue
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}
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if confirmed.AmountFen != order.AmountFen || confirmed.Currency != order.Currency {
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item.Result = model.PaymentReconciliationAmountMismatch
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item.Detail = fmt.Sprintf("签名查单金额 %d %s，本地金额 %d %s", confirmed.AmountFen, confirmed.Currency, order.AmountFen, order.Currency)
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items = append(items, item)
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failed++
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continue
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}
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if strings.TrimSpace(confirmed.ProviderTradeNo) == "" || strings.TrimSpace(confirmed.ProviderTradeNo) != strings.TrimSpace(record.ProviderTradeNo) {
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item.Result = model.PaymentReconciliationTradeNoMismatch
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item.Detail = "渠道账单交易号与签名查单交易号不一致"
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items = append(items, item)
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failed++
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continue
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}
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paidAt := confirmed.PaidAt
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if paidAt.IsZero() {
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paidAt = record.PaidAt
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}
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if paidAt.IsZero() {
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paidAt = billDate.Add(12 * time.Hour)
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}
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_, _, creditErr := s.repo.CompletePaymentOrder(run.ProviderID, merchantOrderNo, repository.PaymentEvidence{
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ProviderTradeNo: confirmed.ProviderTradeNo, ProviderStatus: confirmed.ProviderStatus,
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AmountFen: confirmed.AmountFen, Currency: confirmed.Currency, PaidAt: paidAt,
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})
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if creditErr != nil {
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item.Result = model.PaymentReconciliationCreditFailed
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item.Detail = "渠道账单确认已支付，但自动补发积分失败：" + safePaymentError(creditErr)
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items = append(items, item)
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failed++
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continue
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}
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item.Result = model.PaymentReconciliationRecovered
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item.Resolved = true
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item.Detail = "已根据渠道账单自动补发积分"
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items = append(items, item)
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recovered++
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}
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for _, order := range localCredited {
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if _, ok := seen[order.MerchantOrderNo]; ok {
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continue
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}
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tradeNo := ""
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if order.ProviderTradeNo != nil {
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tradeNo = *order.ProviderTradeNo
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}
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items = append(items, model.PaymentReconciliationItem{
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ID: newID(), RunID: run.ID, ProviderID: run.ProviderID, PaymentOrderID: order.ID,
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MerchantOrderNo: order.MerchantOrderNo, ProviderTradeNo: tradeNo,
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AmountFen: order.AmountFen, Currency: order.Currency,
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Result: model.PaymentReconciliationProviderRecordMissing,
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Detail: "本地订单已入账，但渠道成功交易账单中未找到对应记录", CreatedAt: time.Now(),
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})
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failed++
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}
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return items, matched, recovered, failed, nil
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}
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func (s *Service) failPaymentReconciliation(run *model.PaymentReconciliationRun, cause error) (*model.PaymentReconciliationRun, error) {
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if run != nil {
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_ = s.repo.FailPaymentReconciliation(run.ID, safePaymentReconciliationError(cause))
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if latest, err := s.repo.PaymentReconciliationRun(run.ID); err == nil {
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run = latest
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}
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}
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return run, WrapAppError(http.StatusBadGateway, "支付渠道对账失败，请稍后重试", cause)
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}
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func safePaymentReconciliationError(err error) string {
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if err == nil {
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return ""
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}
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if errors.Is(err, payment.ErrTradeBillNotFound) {
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return "TRADE_BILL_NOT_FOUND"
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}
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var providerErr *payment.ProviderError
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if errors.As(err, &providerErr) && strings.TrimSpace(providerErr.Code) != "" {
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return truncateRunes(providerErr.Code, 1000)
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}
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// Reconciliation runs are admin-only diagnostics. Parser and persistence
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// errors contain no provider credentials and are more actionable than only
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// storing their Go concrete type.
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return truncateRunes(strings.TrimSpace(err.Error()), 1000)
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}
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func (s *Service) AdminPaymentReconciliationPage(actor *model.User, providerID, status string, page, limit int) (*AdminPaymentReconciliationPage, error) {
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if err := s.RequireAdmin(actor); err != nil {
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return nil, err
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}
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page, limit = normalizeAdminPage(page, limit)
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runs, total, err := s.repo.AdminPaymentReconciliationRuns(providerID, status, limit, (page-1)*limit)
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if err != nil {
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return nil, err
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}
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return &AdminPaymentReconciliationPage{Runs: runs, Total: total, Page: page, Limit: limit}, nil
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}
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func (s *Service) AdminPaymentReconciliationItems(actor *model.User, runID, result string, page, limit int) (*AdminPaymentReconciliationItemPage, error) {
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if err := s.RequireAdmin(actor); err != nil {
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return nil, err
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}
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page, limit = normalizeAdminPage(page, limit)
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run, err := s.repo.PaymentReconciliationRun(runID)
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if err != nil {
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return nil, err
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}
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items, total, err := s.repo.PaymentReconciliationItems(run.ID, result, limit, (page-1)*limit)
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if err != nil {
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return nil, err
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}
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return &AdminPaymentReconciliationItemPage{Run: *run, Items: items, Total: total, Page: page, Limit: limit}, nil
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}
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func parsePaymentBillDate(value string) (time.Time, error) {
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parsed, err := time.ParseInLocation("2006-01-02", strings.TrimSpace(value), paymentBillLocation)
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if err != nil {
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return time.Time{}, errors.New("账单日期格式必须为 YYYY-MM-DD")
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}
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today := time.Now().In(paymentBillLocation)
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today = time.Date(today.Year(), today.Month(), today.Day(), 0, 0, 0, 0, paymentBillLocation)
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if !parsed.Before(today) {
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return time.Time{}, errors.New("只能对账昨天及更早的账单")
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}
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if parsed.Before(today.AddDate(0, -3, 0)) {
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return time.Time{}, errors.New("首期仅支持最近三个月的账单对账")
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}
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return parsed, nil
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}
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func (s *Service) maybeRunDailyPaymentReconciliation(ctx context.Context) {
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now := time.Now().In(paymentBillLocation)
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if now.Hour() < 10 || (now.Hour() == 10 && now.Minute() < 15) {
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return
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}
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billDate := now.AddDate(0, 0, -1).Format("2006-01-02")
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for _, descriptor := range s.paymentRegistry.Descriptors() {
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config, err := s.repo.LatestPaymentProviderConfig(descriptor.ID)
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if err != nil {
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continue
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}
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// Disabling a channel stops new orders, but must not stop T+1
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// reconciliation for payments created before it was disabled.
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provider, ok := s.paymentRegistry.Get(descriptor.ID)
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if !ok {
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continue
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}
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values, err := s.decryptPaymentConfig(config)
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if err != nil || provider.ValidateConfig(values) != nil {
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continue
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}
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existing, err := s.repo.PaymentReconciliationRunByDate(descriptor.ID, billDate)
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if err == nil {
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if existing.Status == model.PaymentReconciliationCompleted || (existing.Status == model.PaymentReconciliationRunning && existing.UpdatedAt.After(time.Now().Add(-30*time.Minute))) || (existing.Status == model.PaymentReconciliationFailed && existing.UpdatedAt.After(time.Now().Add(-30*time.Minute))) {
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continue
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}
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} else if !errors.Is(err, gorm.ErrRecordNotFound) {
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continue
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}
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providerContext, cancel := context.WithTimeout(ctx, 2*time.Minute)
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if _, err := s.runPaymentReconciliation(providerContext, nil, descriptor.ID, billDate); err != nil {
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// The persisted run contains a safe error code. The worker retries
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// failed T+1 runs after the cooldown above.
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}
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cancel()
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}
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}
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