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新增扣税

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This commit is contained in:
liangzai
2025-06-22 16:02:09 +08:00
parent 541b88bbf8
commit 8b728e28c5
18 changed files with 1206 additions and 28 deletions
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148
app/main/api/internal/logic/agent/agentwithdrawallogic.go
View File

@@ -2,6 +2,7 @@ package agent
import (
"context"
"database/sql"
"fmt"
"time"
"tydata-server/app/main/model"
@@ -53,7 +54,7 @@ func (l *AgentWithdrawalLogic) AgentWithdrawal(req *types.WithdrawalReq) (*types
outBizNo string
withdrawRes = &types.WithdrawalResp{}
)
var finalWithdrawAmount float64 // 实际到账金额
// 使用事务处理核心操作
err := l.svcCtx.AgentModel.Trans(l.ctx, func(ctx context.Context, session sqlx.Session) error {
userID, err := ctxdata.GetUidFromCtx(l.ctx)
@@ -93,16 +94,82 @@ func (l *AgentWithdrawalLogic) AgentWithdrawal(req *types.WithdrawalReq) (*types
// 生成交易号
outBizNo = "W_" + l.svcCtx.AlipayService.GenerateOutTradeNo()
// 创建提现记录（初始状态为处理中）
if err = l.createWithdrawalRecord(session, agentModel.Id, req, outBizNo); err != nil {
return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "创建提现记录失败: %v", err)
}
// 冻结资金（事务内操作）
if err = l.freezeFunds(session, agentWallet, req.Amount); err != nil {
return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "资金冻结失败: %v", err)
}
yearMonth := int64(time.Now().Year()*100 + int(time.Now().Month()))
// 计算税务额度
taxExemption, err := l.svcCtx.AgentWithdrawalTaxExemptionModel.FindOneByAgentIdYearMonth(l.ctx, agentModel.Id, yearMonth)
if err != nil {
if errors.Is(err, model.ErrNotFound) {
taxExemption, err = l.createMonthlyExemption(session, agentModel.Id, yearMonth)
if err != nil {
return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "创建代理税务额度失败: %v", err)
}
} else {
return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "获取代理税务额度失败: %v", err)
}
}
var taxAmount float64 // 应缴税费
var taxDeductionPart float64 // 应税金额
var TaxStatus int64 // 扣税状态
var exemptionAmount float64 // 免税金额
taxRate := l.svcCtx.Config.TaxConfig.TaxRate
if taxExemption.RemainingExemptionAmount < req.Amount {
// 超过免税额度需要扣税
exemptionAmount = taxExemption.RemainingExemptionAmount // 免税金额 = 剩余免税额度
TaxStatus = model.TaxStatusPending // 扣税状态 = 待扣税
taxDeductionPart = req.Amount - taxExemption.RemainingExemptionAmount // 应税金额 = 提现金额 - 剩余免税额度
taxAmount = taxDeductionPart * taxRate // 应缴税费 = 应税金额 * 税率
finalWithdrawAmount = req.Amount - taxAmount // 实际到账金额 = 提现金额 - 应缴税费
taxExemption.UsedExemptionAmount += exemptionAmount // 已使用免税额度 = 已使用免税额度 + 免税金额
taxExemption.RemainingExemptionAmount -= exemptionAmount // 剩余免税额度 = 剩余免税额度 - 免税金额
err = l.svcCtx.AgentWithdrawalTaxExemptionModel.UpdateWithVersion(l.ctx, session, taxExemption)
if err != nil {
return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "更新代理税务额度失败: %v", err)
}
} else {
// 未超过免税额度，免税
exemptionAmount = req.Amount // 免税金额 = 提现金额
TaxStatus = model.TaxStatusExempt // 扣税状态 = 免税
taxDeductionPart = 0 // 应税金额 = 0
finalWithdrawAmount = req.Amount // 实际到账金额 = 提现金额
taxAmount = 0 // 应缴税费 = 0
taxExemption.UsedExemptionAmount += exemptionAmount // 已使用免税额度 = 已使用免税额度 + 免税金额
taxExemption.RemainingExemptionAmount -= exemptionAmount // 剩余免税额度 = 剩余免税额度 - 免税金额
err = l.svcCtx.AgentWithdrawalTaxExemptionModel.UpdateWithVersion(l.ctx, session, taxExemption)
if err != nil {
return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "更新代理税务额度失败: %v", err)
}
}
// 创建提现记录（初始状态为处理中）
withdrawalID, err := l.createWithdrawalRecord(session, agentModel.Id, req.PayeeAccount, req.Amount, finalWithdrawAmount, taxAmount, outBizNo)
if err != nil {
return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "创建提现记录失败: %v", err)
}
// 扣税记录
taxModel := &model.AgentWithdrawalTax{
AgentId: agentModel.Id,
YearMonth: yearMonth,
WithdrawalId: withdrawalID,
WithdrawalAmount: req.Amount,
ExemptionAmount: exemptionAmount,
TaxableAmount: taxDeductionPart,
TaxRate: taxRate,
TaxAmount: taxAmount,
ActualAmount: finalWithdrawAmount,
TaxStatus: TaxStatus,
Remark: sql.NullString{String: "提现成功自动扣税", Valid: true},
ExemptionRecordId: taxExemption.Id,
}
_, err = l.svcCtx.AgentWithdrawalTaxModel.Insert(ctx, session, taxModel)
if err != nil {
return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "创建扣税记录失败: %v", err)
}
return nil
})
@@ -111,7 +178,7 @@ func (l *AgentWithdrawalLogic) AgentWithdrawal(req *types.WithdrawalReq) (*types
}
// 同步调用支付宝转账
transferResp, err := l.svcCtx.AlipayService.AliTransfer(l.ctx, req.PayeeAccount, req.PayeeName, req.Amount, "代理提现", outBizNo)
transferResp, err := l.svcCtx.AlipayService.AliTransfer(l.ctx, req.PayeeAccount, req.PayeeName, finalWithdrawAmount, "代理提现", outBizNo)
if err != nil {
l.Logger.Errorf("【支付宝转账失败】outBizNo:%s error:%v", outBizNo, err)
l.handleTransferError(outBizNo, err, "支付宝接口调用失败")
@@ -181,17 +248,22 @@ func (l *AgentWithdrawalLogic) mapAlipayError(code string) string {
}
// 创建提现记录（事务内操作）
func (l *AgentWithdrawalLogic) createWithdrawalRecord(session sqlx.Session, agentID int64, req *types.WithdrawalReq, outBizNo string) error {
func (l *AgentWithdrawalLogic) createWithdrawalRecord(session sqlx.Session, agentID int64, payeeAccount string, amount float64, finalWithdrawAmount float64, taxAmount float64, outBizNo string) (int64, error) {
record := &model.AgentWithdrawal{
AgentId: agentID,
WithdrawNo: outBizNo,
PayeeAccount: req.PayeeAccount,
Amount: req.Amount,
PayeeAccount: payeeAccount,
Amount: amount,
ActualAmount: finalWithdrawAmount,
TaxAmount: taxAmount,
Status: StatusProcessing,
}
_, err := l.svcCtx.AgentWithdrawalModel.Insert(l.ctx, session, record)
return err
result, err := l.svcCtx.AgentWithdrawalModel.Insert(l.ctx, session, record)
if err != nil {
return 0, err
}
return result.LastInsertId()
}
// 冻结资金（事务内操作）
@@ -266,7 +338,6 @@ func (l *AgentWithdrawalLogic) updateWithdrawalStatus(outBizNo string, status in
if _, err = l.svcCtx.AgentWithdrawalModel.Update(ctx, session, record); err != nil {
return err
}
// 失败时解冻资金
if status == StatusFailed {
wallet, err := l.svcCtx.AgentWalletModel.FindOneByAgentId(ctx, record.AgentId)
@@ -279,6 +350,27 @@ func (l *AgentWithdrawalLogic) updateWithdrawalStatus(outBizNo string, status in
if err := l.svcCtx.AgentWalletModel.UpdateWithVersion(ctx, session, wallet); err != nil {
return err
}
taxModel, err := l.svcCtx.AgentWithdrawalTaxModel.FindOneByWithdrawalId(ctx, record.Id)
if err != nil {
return err
}
if taxModel.TaxStatus == model.TaxStatusPending {
taxModel.TaxStatus = model.TaxStatusFailed // 扣税状态 = 失败
taxModel.TaxTime = sql.NullTime{Time: time.Now(), Valid: true}
if err := l.svcCtx.AgentWithdrawalTaxModel.UpdateWithVersion(ctx, session, taxModel); err != nil {
return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "更新扣税记录失败: %v", err)
}
}
taxExemption, err := l.svcCtx.AgentWithdrawalTaxExemptionModel.FindOne(ctx, taxModel.ExemptionRecordId)
if err != nil {
return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "获取代理税务额度失败: %v", err)
}
taxExemption.UsedExemptionAmount -= taxModel.ExemptionAmount
taxExemption.RemainingExemptionAmount += taxModel.ExemptionAmount
if err := l.svcCtx.AgentWithdrawalTaxExemptionModel.UpdateWithVersion(ctx, session, taxExemption); err != nil {
return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "更新代理税务额度失败: %v", err)
}
}
if status == StatusSuccess {
wallet, err := l.svcCtx.AgentWalletModel.FindOneByAgentId(ctx, record.AgentId)
@@ -290,6 +382,17 @@ func (l *AgentWithdrawalLogic) updateWithdrawalStatus(outBizNo string, status in
if err := l.svcCtx.AgentWalletModel.UpdateWithVersion(ctx, session, wallet); err != nil {
return err
}
taxModel, err := l.svcCtx.AgentWithdrawalTaxModel.FindOneByWithdrawalId(ctx, record.Id)
if err != nil {
return err
}
if taxModel.TaxStatus == model.TaxStatusPending {
taxModel.TaxStatus = model.TaxStatusSuccess // 扣税状态 = 成功
taxModel.TaxTime = sql.NullTime{Time: time.Now(), Valid: true}
if err := l.svcCtx.AgentWithdrawalTaxModel.UpdateWithVersion(ctx, session, taxModel); err != nil {
return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "更新扣税记录失败: %v", err)
}
}
}
return nil
})
@@ -326,3 +429,22 @@ func (l *AgentWithdrawalLogic) handleTransferError(outBizNo string, err error, c
l.updateWithdrawalStatus(outBizNo, StatusFailed, "系统处理异常")
l.Logger.Errorf("%s outBizNo:%s error:%v", contextMsg, outBizNo, err)
}
func (l *AgentWithdrawalLogic) createMonthlyExemption(session sqlx.Session, agentId int64, yearMonth int64) (*model.AgentWithdrawalTaxExemption, error) {
exemption := &model.AgentWithdrawalTaxExemption{
AgentId: agentId,
YearMonth: yearMonth,
TotalExemptionAmount: l.svcCtx.Config.TaxConfig.TaxExemptionAmount,
UsedExemptionAmount: 0.00,
RemainingExemptionAmount: l.svcCtx.Config.TaxConfig.TaxExemptionAmount,
}
result, err := l.svcCtx.AgentWithdrawalTaxExemptionModel.Insert(l.ctx, session, exemption)
if err != nil {
return nil, err
}
id, _ := result.LastInsertId()
exemption.Id = id
return exemption, nil
}

14
app/main/api/internal/logic/agent/applyforagentlogic.go
View File

@@ -151,6 +151,20 @@ func (l *ApplyForAgentLogic) ApplyForAgent(req *types.AgentApplyReq) (resp *type
if insertAgentWalletModelErr != nil {
return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "代理申请, 新增代理钱包失败: %+v", insertAgentWalletModelErr)
}
// 新增税务额度
agentWithdrawalTaxExemption := model.AgentWithdrawalTaxExemption{
AgentId: agentID,
YearMonth: int64(time.Now().Year()*100 + int(time.Now().Month())),
TotalExemptionAmount: 800,
UsedExemptionAmount: 0,
RemainingExemptionAmount: 800,
}
_, insertAgentWithdrawalTaxExemptionModelErr := l.svcCtx.AgentWithdrawalTaxExemptionModel.Insert(transCtx, session, &agentWithdrawalTaxExemption)
if insertAgentWithdrawalTaxExemptionModelErr != nil {
return errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "代理申请, 新增代理税务额度失败: %+v", insertAgentWithdrawalTaxExemptionModelErr)
}
return nil
})
if transErr != nil {

79
app/main/api/internal/logic/agent/getagentwithdrawaltaxexemptionlogic.go Normal file
View File

@@ -0,0 +1,79 @@
package agent
import (
"context"
"time"
"tydata-server/app/main/api/internal/svc"
"tydata-server/app/main/api/internal/types"
"tydata-server/app/main/model"
"tydata-server/common/ctxdata"
"tydata-server/common/xerr"
"github.com/pkg/errors"
"github.com/zeromicro/go-zero/core/logx"
)
type GetAgentWithdrawalTaxExemptionLogic struct {
logx.Logger
ctx context.Context
svcCtx *svc.ServiceContext
}
func NewGetAgentWithdrawalTaxExemptionLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetAgentWithdrawalTaxExemptionLogic {
return &GetAgentWithdrawalTaxExemptionLogic{
Logger: logx.WithContext(ctx),
ctx: ctx,
svcCtx: svcCtx,
}
}
func (l *GetAgentWithdrawalTaxExemptionLogic) GetAgentWithdrawalTaxExemption(req *types.GetWithdrawalTaxExemptionReq) (resp *types.GetWithdrawalTaxExemptionResp, err error) {
userID, err := ctxdata.GetUidFromCtx(l.ctx)
if err != nil {
return nil, errors.Wrapf(xerr.NewErrCode(xerr.SERVER_COMMON_ERROR), "获取用户ID失败: %+v", err)
}
agent, err := l.svcCtx.AgentModel.FindOneByUserId(l.ctx, userID)
if err != nil {
return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "获取代理ID失败: %+v", err)
}
yearMonth := int64(time.Now().Year()*100 + int(time.Now().Month()))
agentWithdrawalTaxExemption, err := l.svcCtx.AgentWithdrawalTaxExemptionModel.FindOneByAgentIdYearMonth(l.ctx, agent.Id, yearMonth)
if err != nil {
if errors.Is(err, model.ErrNotFound) {
agentWithdrawalTaxExemption, err = l.createMonthlyExemption(agent.Id, yearMonth)
if err != nil {
return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "创建代理税务额度失败: %v", err)
}
} else {
return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR), "获取代理税务额度失败: %+v", err)
}
}
return &types.GetWithdrawalTaxExemptionResp{
TotalExemptionAmount: agentWithdrawalTaxExemption.TotalExemptionAmount,
UsedExemptionAmount: agentWithdrawalTaxExemption.UsedExemptionAmount,
RemainingExemptionAmount: agentWithdrawalTaxExemption.RemainingExemptionAmount,
TaxRate: l.svcCtx.Config.TaxConfig.TaxRate,
}, nil
}
```
func (l *GetAgentWithdrawalTaxExemptionLogic) createMonthlyExemption(agentId int64, yearMonth int64) (*model.AgentWithdrawalTaxExemption, error) {
exemption := &model.AgentWithdrawalTaxExemption{
AgentId: agentId,
YearMonth: yearMonth,
TotalExemptionAmount: l.svcCtx.Config.TaxConfig.TaxExemptionAmount,
UsedExemptionAmount: 0.00,
RemainingExemptionAmount: l.svcCtx.Config.TaxConfig.TaxExemptionAmount,
}
result, err := l.svcCtx.AgentWithdrawalTaxExemptionModel.Insert(l.ctx, nil, exemption)
if err != nil {
return nil, err
}
id, _ := result.LastInsertId()
exemption.Id = id
return exemption, nil
}