380 lines
12 KiB
Go
380 lines
12 KiB
Go
package service
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import (
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"bd-server/app/main/api/internal/config"
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"bd-server/app/main/model"
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"bd-server/common/globalkey"
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"context"
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"database/sql"
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"fmt"
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"math"
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"github.com/Masterminds/squirrel"
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"github.com/pkg/errors"
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"github.com/zeromicro/go-zero/core/logx"
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"github.com/zeromicro/go-zero/core/stores/sqlx"
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)
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type AgentService struct {
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config config.Config
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OrderModel model.OrderModel
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AgentModel model.AgentModel
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AgentAuditModel model.AgentAuditModel
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AgentCommissionModel model.AgentCommissionModel
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AgentWalletModel model.AgentWalletModel
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AgentLinkModel model.AgentLinkModel
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AgentOrderModel model.AgentOrderModel
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AgentProductConfigModel model.AgentProductConfigModel
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AgentWithdrawalModel model.AgentWithdrawalModel
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AgentWalletTransactionModel model.AgentWalletTransactionModel
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AgentConfigModel model.AgentConfigModel
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AsynqService *AsynqService
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}
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func NewAgentService(c config.Config, orderModel model.OrderModel, agentModel model.AgentModel, agentAuditModel model.AgentAuditModel,
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agentCommissionModel model.AgentCommissionModel, agentWalletModel model.AgentWalletModel, agentLinkModel model.AgentLinkModel,
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agentOrderModel model.AgentOrderModel, agentProductConfigModel model.AgentProductConfigModel,
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agentWithdrawalModel model.AgentWithdrawalModel, agentWalletTransactionModel model.AgentWalletTransactionModel,
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agentConfigModel model.AgentConfigModel, asynqService *AsynqService) *AgentService {
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return &AgentService{
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config: c,
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OrderModel: orderModel,
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AgentModel: agentModel,
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AgentAuditModel: agentAuditModel,
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AgentCommissionModel: agentCommissionModel,
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AgentWalletModel: agentWalletModel,
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AgentLinkModel: agentLinkModel,
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AgentOrderModel: agentOrderModel,
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AgentProductConfigModel: agentProductConfigModel,
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AgentWithdrawalModel: agentWithdrawalModel,
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AgentWalletTransactionModel: agentWalletTransactionModel,
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AgentConfigModel: agentConfigModel,
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AsynqService: asynqService,
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}
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}
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// AgentProcess 推广单成功
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func (l *AgentService) AgentProcess(ctx context.Context, order *model.Order) error {
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agentOrderModel, err := l.AgentOrderModel.FindOneByOrderId(ctx, order.Id)
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if err != nil && !errors.Is(err, model.ErrNotFound) {
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return err
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}
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if errors.Is(err, model.ErrNotFound) || agentOrderModel == nil {
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return nil
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}
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transErr := l.AgentWalletModel.Trans(ctx, func(transCtx context.Context, session sqlx.Session) error {
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agentID := agentOrderModel.AgentId
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productConfig, findProductConfigErr := l.AgentProductConfigModel.FindOneByProductId(transCtx, order.ProductId)
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if findProductConfigErr != nil {
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return findProductConfigErr
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}
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commission := order.Amount - productConfig.CostPrice
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if commission < 0 {
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commission = 0
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}
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agentWallet, findWalletErr := l.AgentWalletModel.FindOneByAgentId(transCtx, agentID)
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if findWalletErr != nil {
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return findWalletErr
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}
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balanceBefore := agentWallet.Balance
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frozenBalanceBefore := agentWallet.FrozenBalance
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var commissionStatus int64
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if l.AgentConfigModel.IsCommissionSafeMode(ctx) {
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agentWallet.FrozenBalance += commission
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commissionStatus = 1
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} else {
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agentWallet.Balance += commission
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commissionStatus = 0
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}
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agentWallet.TotalEarnings += commission
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agentCommission := model.AgentCommission{
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AgentId: agentID,
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OrderId: order.Id,
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Amount: commission,
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ProductId: order.ProductId,
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Status: commissionStatus,
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}
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insertResult, insertCommissionErr := l.AgentCommissionModel.Insert(transCtx, session, &agentCommission)
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if insertCommissionErr != nil {
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return insertCommissionErr
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}
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updateWalletErr := l.AgentWalletModel.UpdateWithVersion(transCtx, session, agentWallet)
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if updateWalletErr != nil {
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return updateWalletErr
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}
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commissionID, _ := insertResult.LastInsertId()
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commissionIDStr := fmt.Sprintf("%d", commissionID)
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transErr := l.CreateWalletTransaction(
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transCtx,
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session,
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agentID,
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model.WalletTransactionTypeCommission,
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commission,
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balanceBefore,
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agentWallet.Balance,
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frozenBalanceBefore,
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agentWallet.FrozenBalance,
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order.OrderNo,
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0,
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fmt.Sprintf("订单佣金收入，佣金记录ID: %s", commissionIDStr),
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)
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if transErr != nil {
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return transErr
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}
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return nil
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})
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if transErr != nil {
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return transErr
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}
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if l.AsynqService != nil && l.AgentConfigModel.IsCommissionSafeMode(ctx) {
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builder := l.AgentCommissionModel.SelectBuilder().
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Where("order_id = ?", order.Id).
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Where("status = ?", 1).
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Where("del_state = ?", globalkey.DelStateNo)
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commissions, findErr := l.AgentCommissionModel.FindAll(ctx, builder, "")
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if findErr != nil {
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logx.Errorf("查询刚创建的佣金记录失败，订单ID: %d, 错误: %v", order.Id, findErr)
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return findErr
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}
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if len(commissions) > 0 {
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for _, commission := range commissions {
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sendTaskErr := l.AsynqService.SendUnfreezeCommissionTask(commission.Id)
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if sendTaskErr != nil {
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logx.Errorf("发送佣金解冻任务失败，佣金ID: %d, 错误: %v", commission.Id, sendTaskErr)
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} else {
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logx.Infof("已发送佣金解冻任务，佣金ID: %d, 代理ID: %d, 金额: %.2f",
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commission.Id, commission.AgentId, commission.Amount)
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}
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}
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}
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}
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return nil
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}
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// CheckAgentProcessStatus 检查代理处理事务是否已成功
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func (l *AgentService) CheckAgentProcessStatus(ctx context.Context, orderID int64) (bool, error) {
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_, err := l.AgentOrderModel.FindOneByOrderId(ctx, orderID)
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if err != nil {
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if errors.Is(err, model.ErrNotFound) {
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return true, nil
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}
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return false, err
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}
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selectBuilder := l.AgentCommissionModel.SelectBuilder()
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selectBuilder = selectBuilder.Where("order_id = ?", orderID)
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selectBuilder = selectBuilder.Where("del_state = ?", 0)
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commissions, err := l.AgentCommissionModel.FindAll(ctx, selectBuilder, "")
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if err != nil {
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return false, err
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}
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return len(commissions) > 0, nil
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}
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// RetryAgentProcess 重新执行代理处理事务
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func (l *AgentService) RetryAgentProcess(ctx context.Context, orderID int64) error {
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order, err := l.OrderModel.FindOne(ctx, orderID)
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if err != nil {
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return err
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}
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if order.Status != "paid" {
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return errors.New("订单状态不是已支付，无法执行代理处理")
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}
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alreadyProcessed, err := l.CheckAgentProcessStatus(ctx, orderID)
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if err != nil {
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return err
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}
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if alreadyProcessed {
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return errors.New("代理处理已经成功，无需重新执行")
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}
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return l.AgentProcess(ctx, order)
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}
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// CreateWalletTransaction 创建代理钱包流水记录
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func (l *AgentService) CreateWalletTransaction(ctx context.Context, session sqlx.Session,
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agentID int64, transactionType string, amount float64,
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balanceBefore, balanceAfter, frozenBalanceBefore, frozenBalanceAfter float64,
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transactionID string, relatedUserID int64, remark string) error {
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var transactionIDField sql.NullString
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if transactionID != "" {
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transactionIDField = sql.NullString{String: transactionID, Valid: true}
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}
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var relatedUserIDField sql.NullInt64
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if relatedUserID > 0 {
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relatedUserIDField = sql.NullInt64{Int64: relatedUserID, Valid: true}
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}
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var remarkField sql.NullString
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if remark != "" {
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remarkField = sql.NullString{String: remark, Valid: true}
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}
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transaction := &model.AgentWalletTransaction{
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AgentId: agentID,
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TransactionType: transactionType,
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Amount: amount,
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BalanceBefore: balanceBefore,
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BalanceAfter: balanceAfter,
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FrozenBalanceBefore: frozenBalanceBefore,
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FrozenBalanceAfter: frozenBalanceAfter,
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TransactionId: transactionIDField,
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RelatedUserId: relatedUserIDField,
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Remark: remarkField,
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}
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_, err := l.AgentWalletTransactionModel.Insert(ctx, session, transaction)
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if err != nil {
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return errors.Wrapf(err, "创建代理钱包流水记录失败，agentID: %d, type: %s, amount: %.2f", agentID, transactionType, amount)
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}
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return nil
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}
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// HandleOrderRefundDeduction 处理订单退款后的佣金扣款流程
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// 简化版：只扣减推广代理佣金，不再处理上级抽佣和奖励
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func (l *AgentService) HandleOrderRefundDeduction(ctx context.Context, session sqlx.Session, order *model.Order, refundAmount float64) {
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refundAmount = roundRefundMoney(refundAmount)
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if refundAmount <= 0 {
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return
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}
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remainRefundAmount := refundAmount
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agentOrder, err := l.AgentOrderModel.FindOneByOrderId(ctx, order.Id)
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if err != nil || agentOrder == nil {
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logx.Errorf("退款扣款：查询代理订单失败，订单ID: %d, 错误: %v", order.Id, err)
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return
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}
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promoterAgentId := agentOrder.AgentId
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// 扣减推广代理佣金
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promoterCommissions, _ := l.AgentCommissionModel.FindAll(ctx,
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l.AgentCommissionModel.SelectBuilder().Where(squirrel.And{
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squirrel.Eq{"order_id": order.Id},
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squirrel.Eq{"agent_id": promoterAgentId},
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squirrel.NotEq{"status": 2},
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}), "")
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for _, commission := range promoterCommissions {
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if remainRefundAmount <= 0 {
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break
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}
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available := roundRefundMoney(commission.Amount - commission.RefundedAmount)
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if available <= 0 {
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continue
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}
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currentRefund := available
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if currentRefund > remainRefundAmount {
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currentRefund = remainRefundAmount
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}
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currentRefund = roundRefundMoney(currentRefund)
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commission.RefundedAmount = roundRefundMoney(commission.RefundedAmount + currentRefund)
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if commission.RefundedAmount >= roundRefundMoney(commission.Amount) {
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commission.Status = 2
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}
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if err := l.AgentCommissionModel.UpdateWithVersion(ctx, session, commission); err != nil {
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logx.Errorf("退款扣款：更新推广佣金失败，佣金ID: %d, 错误: %v", commission.Id, err)
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continue
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}
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deductFromAgentWallet(ctx, l, session, promoterAgentId, currentRefund,
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fmt.Sprintf("订单退款，推广佣金扣除，订单号: %s", order.OrderNo))
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remainRefundAmount = roundRefundMoney(remainRefundAmount - currentRefund)
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}
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// 不足部分从推广代理钱包扣
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if remainRefundAmount > 0 {
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deductFromAgentWallet(ctx, l, session, promoterAgentId, remainRefundAmount,
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fmt.Sprintf("订单退款，不足部分从钱包扣除，订单号: %s", order.OrderNo))
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}
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}
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// roundRefundMoney 四舍五入到分
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func roundRefundMoney(v float64) float64 {
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return math.Round(v*100) / 100
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}
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// deductFromAgentWallet 从代理钱包扣除金额（先冻结后余额）
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func deductFromAgentWallet(ctx context.Context, l *AgentService, session sqlx.Session, agentId int64, amount float64, remark string) {
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amount = roundRefundMoney(amount)
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if amount <= 0 {
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return
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}
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wallet, err := l.AgentWalletModel.FindOneByAgentId(ctx, agentId)
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if err != nil {
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logx.Errorf("退款扣款：查询代理钱包失败，代理ID: %d, 错误: %v", agentId, err)
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return
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}
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balanceBefore := wallet.Balance
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frozenBalanceBefore := wallet.FrozenBalance
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if wallet.FrozenBalance >= amount {
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wallet.FrozenBalance = roundRefundMoney(wallet.FrozenBalance - amount)
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} else {
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remaining := roundRefundMoney(amount - wallet.FrozenBalance)
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wallet.FrozenBalance = 0
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wallet.Balance = roundRefundMoney(wallet.Balance - remaining)
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}
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balanceAfter := roundRefundMoney(wallet.Balance)
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frozenBalanceAfter := roundRefundMoney(wallet.FrozenBalance)
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var updateErr error
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if session != nil {
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updateErr = l.AgentWalletModel.UpdateWithVersion(ctx, session, wallet)
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} else {
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updateErr = l.AgentWalletModel.UpdateWithVersion(ctx, nil, wallet)
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}
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if updateErr != nil {
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logx.Errorf("退款扣款：更新代理钱包失败，代理ID: %d, 错误: %v", agentId, updateErr)
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return
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}
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transErr := l.CreateWalletTransaction(
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ctx,
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session,
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agentId,
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model.WalletTransactionTypeRefund,
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roundRefundMoney(-amount),
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balanceBefore,
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balanceAfter,
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frozenBalanceBefore,
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frozenBalanceAfter,
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"",
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0,
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remark,
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)
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if transErr != nil {
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logx.Errorf("退款扣款：创建钱包流水失败，代理ID: %d, 错误: %v", agentId, transErr)
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}
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}
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