go-common/app/admin/main/videoup/dao/databus/redis.go

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2019-04-22 10:49:16 +00:00
package databus
import (
"context"
"encoding/json"
"go-common/app/admin/main/videoup/model/archive"
"go-common/app/admin/main/videoup/model/message"
"go-common/library/cache/redis"
"go-common/library/conf/env"
"go-common/library/log"
)
const (
_multSyncList = "m_sync_list"
_prefixMsgInfo = "videoup_admin_msg"
)
// PopMsgCache get databus message from redis
func (d *Dao) PopMsgCache(c context.Context) (msg *message.Videoup, err error) {
var (
conn = d.redis.Get(c)
bs []byte
)
defer conn.Close()
if bs, err = redis.Bytes(conn.Do("LPOP", fixRedisList(_prefixMsgInfo))); err != nil {
if err == redis.ErrNil {
err = nil
} else {
log.Error("conn.Do(LPOP, %s) error(%v)", fixRedisList(_prefixMsgInfo), err)
}
return
}
msg = &message.Videoup{}
if err = json.Unmarshal(bs, msg); err != nil {
log.Error("json.Unmarshal error(%v)", err)
}
return
}
// PushMsgCache add message into redis.
func (d *Dao) PushMsgCache(c context.Context, msg *message.Videoup) (err error) {
var (
bs []byte
conn = d.redis.Get(c)
)
defer conn.Close()
if bs, err = json.Marshal(msg); err != nil {
log.Error("json.Marshal(%s) error(%v)", bs, err)
return
}
if _, err = conn.Do("RPUSH", fixRedisList(_prefixMsgInfo), bs); err != nil {
log.Error("conn.Do(RPUSH, %s) error(%v)", bs, err)
}
return
}
func fixRedisList(list string) (target string) {
if env.DeployEnv == env.DeployEnvPre {
target = "pre_" + list
} else {
target = list
}
return
}
// PushMultSync rpush stuct item to redis
func (d *Dao) PushMultSync(c context.Context, sync *archive.MultSyncParam) (ok bool, err error) {
var (
conn = d.redis.Get(c)
bs []byte
)
defer conn.Close()
if bs, err = json.Marshal(sync); err != nil {
log.Error("json.Marshal(%v) error(%v)", sync, err)
return
}
if err = conn.Send("SADD", fixRedisList(_multSyncList), bs); err != nil {
log.Error("conn.Send(SADD, %s, %s) error(%v)", fixRedisList(_multSyncList), bs, err)
return
}
if err = conn.Flush(); err != nil {
log.Error("conn.Flush error(%v)", err)
return
}
if ok, err = redis.Bool(conn.Receive()); err != nil {
log.Error("conn.Receive error(%v)", err)
}
return
}
// PopMultSync lpop stuct item from redis
func (d *Dao) PopMultSync(c context.Context) (res *archive.MultSyncParam, err error) {
var (
conn = d.redis.Get(c)
bs []byte
sync = &archive.MultSyncParam{}
)
defer conn.Close()
if bs, err = redis.Bytes(conn.Do("SPOP", fixRedisList(_multSyncList))); err != nil && err != redis.ErrNil {
log.Error("redis.Bytes(conn.Do(SPOP, %s)) error(%v)", fixRedisList(_multSyncList), err)
return
}
if len(bs) == 0 {
return
}
if err = json.Unmarshal(bs, sync); err != nil {
log.Error("json.Unmarshal(%s) error(%v)", sync, err)
return
}
res = sync
return
}