go-common/app/job/main/app-wall/dao/offer/redis.go
2019-04-22 18:49:16 +08:00

57 lines
1.1 KiB
Go

package offer
import (
"context"
"encoding/json"
"go-common/library/cache/redis"
"github.com/pkg/errors"
)
const (
_failList = "act_list"
)
func keyRetry() string {
return _failList
}
// PushFail rpush fail item to redis
func (d *Dao) PushFail(c context.Context, a interface{}) (err error) {
var bs []byte
conn := d.redis.Get(c)
key := keyRetry()
defer conn.Close()
if bs, err = json.Marshal(a); err != nil {
err = errors.Wrapf(err, "%v", a)
return
}
if _, err = conn.Do("RPUSH", key, bs); err != nil {
err = errors.Wrapf(err, "conn.Do(RPUSH,%s,%s)", key, bs)
}
return
}
// PopFail lpop fail item from redis
func (d *Dao) PopFail(c context.Context) (bs []byte, err error) {
conn := d.redis.Get(c)
key := keyRetry()
if bs, err = redis.Bytes(conn.Do("LPOP", key)); err != nil {
if err == redis.ErrNil {
err = nil
} else {
err = errors.Wrapf(err, "redis.Bytes(conn.Do(LPOP, %s))", key)
}
}
conn.Close()
return
}
func (d *Dao) PingRedis(c context.Context) (err error) {
var conn = d.redis.Get(c)
_, err = conn.Do("SET", "PING", "PONG")
conn.Close()
return
}