go-common/app/job/main/feed/service/service.go
2019-04-22 18:49:16 +08:00

103 lines
2.0 KiB
Go

package service
import (
"context"
"encoding/json"
"sync"
"time"
"go-common/app/job/main/feed/conf"
"go-common/app/job/main/feed/dao"
"go-common/app/job/main/feed/model"
feed "go-common/app/service/main/feed/rpc/client"
"go-common/library/conf/env"
"go-common/library/log"
"go-common/library/queue/databus"
)
type Service struct {
c *conf.Config
dao *dao.Dao
archiveSub *databus.Databus
arcUpMo int64
feedRPC *feed.Service
waiter *sync.WaitGroup
}
// New is feed service implementation.
func New(c *conf.Config) (s *Service) {
s = &Service{
c: c,
dao: dao.New(c),
archiveSub: databus.New(c.ArchiveSub),
feedRPC: feed.New(c.FeedRPC),
waiter: new(sync.WaitGroup),
}
// arc databus consumer
s.waiter.Add(1)
go s.arcConsumeproc()
go s.checkConsumeproc()
return s
}
// arcConsumeproc consumer archive
func (s *Service) arcConsumeproc() {
var (
msgs = s.archiveSub.Messages()
err error
)
defer s.waiter.Done()
for {
msg, ok := <-msgs
if !ok {
log.Info("arc databus Consumer exit")
return
}
s.arcUpMo++
dao.PromInfo("消费稿件变更")
msg.Commit()
m := &model.Message{}
if err = json.Unmarshal(msg.Value, m); err != nil {
log.Error("json.Unmarshal(%s) error(%v)", msg.Value, err)
continue
}
if m.Table != "archive" {
continue
}
s.archiveUpdate(m.Action, m.New, m.Old)
}
}
// checkConsumeproc check consumer stat
func (s *Service) checkConsumeproc() {
if env.DeployEnv != env.DeployEnvProd {
return
}
var arcMo int64
for {
time.Sleep(1 * time.Minute)
if s.arcUpMo-arcMo == 0 {
msg := "feed-job arhieve did not consume within a minute"
s.dao.SendSMS(msg)
log.Warn(msg)
}
arcMo = s.arcUpMo
}
}
// Close Databus consumer close.
func (s *Service) Close() error {
return s.archiveSub.Close()
}
// Wait goroutinue to close
func (s *Service) Wait() {
s.waiter.Wait()
}
// Ping check server ok
func (s *Service) Ping(c context.Context) error {
return s.dao.Ping(c)
}