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package event_s
import (
"encoding/json"
"git.hilo.cn/hilo-common/domain"
"git.hilo.cn/hilo-common/mycontext"
"git.hilo.cn/hilo-common/resource/mysql"
"hilo-group/domain/event/gift_ev"
"hilo-group/domain/model/event_m"
"runtime/debug"
)
// 每次处理500条
const BatchCount = 500
type GiftSendEventService struct {
svc *domain.Service
}
func NewGiftSendEventService(myContext *mycontext.MyContext) *GiftSendEventService {
svc := domain.CreateService(myContext)
return &GiftSendEventService{svc}
}
//
func (s *GiftSendEventService) Consume() error {
defer func() {
if err := recover(); err != nil {
s.svc.Log.Errorf("ExceptionHandle GiftSendEventService Consume SYSTEM ACTION PANIC: %v, stack: %v", err, string(debug.Stack()))
}
}()
var model = domain.CreateModel(s.svc.CtxAndDb)
return model.Transaction(func(model *domain.Model) error {
events, offset, err := event_m.FetchEventGiftSend(model, BatchCount)
if err != nil {
return err
}
for k := range events {
cpEvent := &event_m.EventGiftSend{
Entity: mysql.Entity{
ID: events[k].ID,
CreatedTime: events[k].CreatedTime,
UpdatedTime: events[k].UpdatedTime,
},
Proto: events[k].Proto,
Payload: events[k].Payload,
MarkHiloGroup: events[k].MarkHiloGroup,
}
if cpEvent.MarkHiloGroup == mysql.YES {
model.Log.Warnf("already consume msg :%v", cpEvent)
continue
}
sendGiftEvent := new(gift_ev.SendGiftEvent)
if err := json.Unmarshal(cpEvent.Payload, sendGiftEvent); err != nil {
model.Log.Errorf("json msg fail,event:%v,err:%v", cpEvent, err)
continue
}
// 标记已经处理,mark比publish事件提前,尽量避免异步事件重复执行
cpEvent.Model = model
err = cpEvent.MarkDone()
if err != nil {
model.Log.Errorf("consume msg fail,event:%v,err:%v", cpEvent, err)
return err
}
if err := gift_ev.PublishSendGiftEvent(model, sendGiftEvent); err != nil {
model.Log.Errorf("PublishSendGiftEvent fail,event:%v,err:%v", string(cpEvent.Payload), err)
return err
}
}
// 最后一次提交offset
if len(events) > 0 {
offset.MarkOffset = events[len(events)-1].ID
return offset.Persistence()
}
return nil
})
}