283 lines
7.6 KiB
Go
283 lines
7.6 KiB
Go
package biz
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import (
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"context"
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"fmt"
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"github.com/go-kratos/kratos/v2/log"
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"github.com/redis/go-redis/v9"
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err2 "voucher/api/err"
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"voucher/internal/biz/bo"
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"voucher/internal/biz/vo"
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"voucher/internal/pkg/lock"
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)
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func (v *VoucherBiz) order(ctx context.Context, req *bo.OrderCreateReqBo, product *bo.ProductBo) (*bo.OrderBo, error) {
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order, err := v.create(ctx, req, product)
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if err != nil {
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return nil, err
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}
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// 注册通知标签 order.MerchantNo 批次创建商户, order.BatchNo 商品批次号
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if err = v.registerNotifyTag(ctx, order.MerchantNo, order.BatchNo); err != nil {
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return nil, err
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}
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// 真实发放
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voucherNo, err := v.WechatCpnRepo.Order(ctx, order)
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if err != nil {
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if err3 := v.fail(ctx, order, err.Error()); err3 != nil {
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return nil, err3
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}
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return nil, err
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}
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return order, v.success(ctx, order, voucherNo)
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}
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func (v *VoucherBiz) orderRetry(ctx context.Context, order *bo.OrderBo) error {
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voucherNo, err := v.WechatCpnRepo.Order(ctx, order)
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if err != nil {
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if err3 := v.fail(ctx, order, err.Error()); err3 != nil {
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return err3
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}
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return err
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}
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return v.success(ctx, order, voucherNo)
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}
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func (v *VoucherBiz) create(ctx context.Context, req *bo.OrderCreateReqBo, product *bo.ProductBo) (*bo.OrderBo, error) {
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o := &bo.OrderBo{
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OrderNo: v.GenerateMixRepo.GeneratorString(ctx, fmt.Sprintf("%d%s", req.Type, req.OutBizNo)),
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OutBizNo: req.OutBizNo,
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ProductNo: req.ProductNo,
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Account: req.Account,
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AppID: req.AppID,
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MerchantNo: product.MchId,
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Channel: product.Channel,
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BatchNo: product.BatchNo,
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NotifyUrl: req.NotifyUrl,
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AccountType: vo.OrderAccountTypeOpenId,
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Type: req.Type,
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Status: vo.OrderStatusIng, // 同步发放，状态至为发放中
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Attach: req.Attach,
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}
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return v.OrderRepo.Create(ctx, o)
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}
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func (v *VoucherBiz) registerNotifyTag(ctx context.Context, stockCreatorMchID, stockID string) error {
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c := vo.WechatNotifyRegisterTagCacheKey.BuildCache([]string{v.bc.WechatNotifyMQ.Tag, stockCreatorMchID, stockID})
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_, err := v.rdb.Rdb.Get(ctx, c.Key).Result()
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if err == nil {
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// 缓存存在，直接返回
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return nil
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}
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if err != redis.Nil {
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return fmt.Errorf(fmt.Sprintf("获取redis缓存%s异常:%v", c.Key, err))
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}
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cl := vo.WechatNotifyRegisterTagCacheLockKey.BuildCache([]string{v.bc.WechatNotifyMQ.Tag, stockCreatorMchID, stockID})
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return lock.NewMutex(v.rdb.Rdb, cl.TTL).Lock(ctx, cl.Key, func(ctx context.Context) error {
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// 二次获取，判定处理，以免获取锁后又执行了一次
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cacheValue, err3 := v.rdb.Rdb.Get(ctx, c.Key).Result()
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if err3 != nil && err3 != redis.Nil {
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return fmt.Errorf(fmt.Sprintf("二次获取redis缓存%s异常:%v", c.Key, err))
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}
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if cacheValue != "" {
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return nil // 有直接返回
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}
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wechatNotifyTag, err3 := v.WechatNotifyRegisterTagRepo.GetByStockIdAndMchId(ctx, stockCreatorMchID, stockID)
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if err3 != nil && !err2.IsDbNotFound(err3) {
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return err3
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}
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if wechatNotifyTag != nil {
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if wechatNotifyTag.Tag != v.bc.WechatNotifyMQ.Tag {
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return fmt.Errorf("tag不一致，请检查tag配置:%s", wechatNotifyTag.Tag)
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}
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return v.setCache(ctx, c, wechatNotifyTag)
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}
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wechatNotifyTag, err3 = v.createWechatNotifyRegisterTag(ctx, stockCreatorMchID, stockID)
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if err3 != nil {
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return err3
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}
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if err = v.WechatCpnRepo.RegisterNotifyTag(ctx, stockID); err != nil {
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return v.WechatNotifyRegisterTagRepo.Fail(ctx, wechatNotifyTag.ID, err.Error())
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}
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if err = v.WechatNotifyRegisterTagRepo.Success(ctx, wechatNotifyTag.ID); err != nil {
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return err
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}
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return v.setCache(ctx, c, wechatNotifyTag)
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})
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}
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func (v *VoucherBiz) createWechatNotifyRegisterTag(ctx context.Context, stockCreatorMchID, stockID string) (*bo.WechatNotifyRegisterTagBo, error) {
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return v.WechatNotifyRegisterTagRepo.Create(ctx, &bo.WechatNotifyRegisterTagBo{
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StockID: stockID,
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StockCreatorMchID: stockCreatorMchID,
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Tag: v.bc.WechatNotifyMQ.Tag,
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})
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}
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func (v *VoucherBiz) setCache(ctx context.Context, c *vo.Cache, wechatNotifyTag *bo.WechatNotifyRegisterTagBo) error {
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if err := v.rdb.Rdb.Set(ctx, c.Key, wechatNotifyTag.Tag, c.TTL).Err(); err != nil {
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return fmt.Errorf(fmt.Sprintf("设置redis缓存%s异常:%v", c.Key, err))
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}
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return nil
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}
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func (v *VoucherBiz) ing(ctx context.Context, id uint64) error {
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return v.OrderRepo.Ing(ctx, id)
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}
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func (v *VoucherBiz) success(ctx context.Context, order *bo.OrderBo, voucherNo string) error {
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return v.OrderRepo.Success(ctx, order.ID, voucherNo)
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}
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func (v *VoucherBiz) fail(ctx context.Context, order *bo.OrderBo, remark string) error {
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if err := v.OrderRepo.Fail(ctx, order.ID, remark); err != nil {
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return err
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}
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return v.alarm(ctx, order, remark)
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}
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func (v *VoucherBiz) alarm(ctx context.Context, order *bo.OrderBo, errMsg string) error {
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// 1小时 内 指定的批次号 发放 发生错误 预警
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c := vo.OrderConsumeFailAlarmKey.BuildCache([]string{order.ProductNo})
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_, err := v.rdb.Rdb.Get(ctx, c.Key).Result()
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if err == nil {
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// 缓存存在，直接返回
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return nil
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}
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if err != redis.Nil {
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return fmt.Errorf(fmt.Sprintf("alarm 获取redis缓存%s异常:%v", c.Key, err))
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}
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cl := vo.OrderConsumeFailAlarmLockKey.BuildCache([]string{order.ProductNo})
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return lock.NewMutex(v.rdb.Rdb, cl.TTL).Lock(ctx, cl.Key, func(ctx context.Context) error {
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// 二次获取，判定处理，以免获取锁后又执行了一次
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cacheValue, err3 := v.rdb.Rdb.Get(ctx, c.Key).Result()
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if err3 != nil && err3 != redis.Nil {
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return fmt.Errorf(fmt.Sprintf("alarm 二次获取redis缓存%s异常:%v", c.Key, err))
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}
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if len(cacheValue) > 0 {
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return nil // 有直接返回
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}
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// 通知
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if err = v.DingMixRepo.SendMarkdownMessage(ctx, "异常通知", v.alarmText(ctx, order, errMsg)); err != nil {
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return err
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}
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if err = v.rdb.Rdb.Set(ctx, c.Key, order.ProductNo, c.TTL).Err(); err != nil {
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return fmt.Errorf(fmt.Sprintf("设置redis缓存%s异常:%v", c.Key, err))
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}
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return nil
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})
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}
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func (v *VoucherBiz) alarmText(_ context.Context, order *bo.OrderBo, errMsg string) string {
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remarks := fmt.Sprintf("订单号:%s，商品编号:%s,原因:%s", order.OrderNo, order.ProductNo, errMsg)
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msg := "# <font color='green'>" +
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"<h1>立减金发放平台报警通知</h1>" +
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"</font> \n" +
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"<font color='black'>" +
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"不好了，订单发放发生异常了" +
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"[<font color='red'>%s</font>]请尽快处理@相关人员。" +
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"</font>"
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return fmt.Sprintf(msg, remarks)
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}
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func (v *VoucherBiz) Query(ctx context.Context, order *bo.OrderBo) error {
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status, err := v.WechatCpnRepo.Query(ctx, order)
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if err != nil {
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return err
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}
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if order.Status == status {
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log.Warnf("券状态未改变:%s，忽略不处理,orderNo:%s", order.Status.GetText(), order.OrderNo)
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return nil
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}
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if err = v.UpdateOrderStatus(ctx, order.ID, status); err != nil {
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return err
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}
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order.Status = status
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return nil
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}
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func (v *VoucherBiz) UpdateOrderStatus(ctx context.Context, orderId uint64, status vo.OrderStatus) error {
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if status.IsSuccess() {
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return v.OrderRepo.Available(ctx, orderId)
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} else if status.IsUse() {
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return v.OrderRepo.Used(ctx, orderId)
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} else if status.IsExpired() {
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return v.OrderRepo.Expired(ctx, orderId)
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}
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return fmt.Errorf("notice 未知券状态,orderId:%d,statuText:%s", orderId, status.GetText())
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}
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func (v *VoucherBiz) QueryOrder(ctx context.Context, orderNo string) (string, error) {
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order, err3 := v.OrderRepo.GetByOrderNo(ctx, orderNo)
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if err3 != nil {
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return "", err3
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}
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status, err := v.WechatCpnRepo.Query(ctx, order)
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if err != nil {
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return "", err
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}
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return fmt.Sprintf("orderNo:%s,订单状态:%s,微信查询返回状态:%s", orderNo, order.Status.GetText(), status.GetText()), nil
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}
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