238 lines
6.4 KiB
Go
238 lines
6.4 KiB
Go
package cmb
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import (
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"context"
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"errors"
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"fmt"
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"github.com/redis/go-redis/v9"
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"gorm.io/gorm"
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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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"voucher/internal/pkg/uid"
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)
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func (v *Cmb) OrderConsume(ctx context.Context, order *bo.OrderBo) (outRequestNo string, err error) {
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if !order.Status.IsWait() {
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return outRequestNo, fmt.Errorf("订单状态错误,%s", order.Status.GetText())
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}
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if !order.Channel.IsWeChat() {
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return outRequestNo, fmt.Errorf("订单渠道错误,%s", order.Channel.GetText())
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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 outRequestNo, err
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}
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if err = v.ing(ctx, order.ID); err != nil {
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return
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}
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orderWechat, err := v.create(ctx, order)
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if err != nil {
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return
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}
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couponId, err := v.WechatCpnRepo.Order(ctx, orderWechat)
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if err != nil {
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return outRequestNo, v.fail(ctx, order, orderWechat, err.Error())
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}
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if err = v.success(ctx, order, orderWechat, couponId); err != nil {
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return
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}
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return orderWechat.OutRequestNo, err
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}
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func (v *Cmb) 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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errMsg := fmt.Sprintf("获取redis缓存%s异常:%v", c.Key, err)
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return fmt.Errorf(errMsg)
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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, err := v.rdb.Rdb.Get(ctx, c.Key).Result()
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if err != nil && err != 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, err := v.WechatNotifyRegisterTagRepo.GetByStockIdAndMchId(ctx, stockCreatorMchID, stockID)
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if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
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return err
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}
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if wechatNotifyTag != nil {
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return v.setCache(ctx, c, wechatNotifyTag)
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}
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wechatNotifyTag, err = v.createWechatNotifyRegisterTag(ctx, stockCreatorMchID, stockID)
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if err != nil {
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return err
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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 *Cmb) 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 *Cmb) 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 *Cmb) create(ctx context.Context, order *bo.OrderBo) (*bo.OrderWechatBo, error) {
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outRequestNo, err := v.GenerateMixRepo.GeneratorString(ctx, uid.OrderWechat)
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if err != nil {
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return nil, err
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}
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req := &bo.OrderWechatBo{
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OrderNo: order.OrderNo,
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OutRequestNo: outRequestNo,
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AppID: order.AppID,
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StockCreatorMchid: order.MerchantNo,
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OpenID: order.Account,
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StockID: order.BatchNo,
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Status: vo.OrderWechatStatusWait,
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}
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orderWechat, err := v.OrderWechatRepo.Create(ctx, req)
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if err != nil {
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return nil, err
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}
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return orderWechat, nil
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}
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func (v *Cmb) 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 *Cmb) success(ctx context.Context, order *bo.OrderBo, orderWechat *bo.OrderWechatBo, couponId string) error {
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if err := v.OrderWechatRepo.Success(ctx, orderWechat.ID, couponId); err != nil {
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return err
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}
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return v.OrderRepo.Success(ctx, order.ID)
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}
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func (v *Cmb) fail(ctx context.Context, order *bo.OrderBo, orderWechat *bo.OrderWechatBo, errMsg string) error {
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if err := v.OrderWechatRepo.Fail(ctx, orderWechat.ID, errMsg); err != nil {
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return err
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}
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if err := v.OrderRepo.Fail(ctx, order.ID); err != nil {
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return err
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}
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return v.alarm(ctx, order, errMsg)
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}
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func (v *Cmb) 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, err := v.rdb.Rdb.Get(ctx, c.Key).Result()
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if err != nil && err != 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 cacheValue != "" {
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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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text := v.alarmText(ctx, order, errMsg)
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if err = v.DingMixRepo.SendMarkdownMessage(ctx, text); 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 *Cmb) 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,错误原因:%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，错误内容" +
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"[<font color='red'>%s</font>]@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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