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

100 lines
2.3 KiB
Go

package dao
import (
"context"
"encoding/json"
"fmt"
"go-common/app/job/main/figure-timer/model"
"go-common/library/cache/redis"
"go-common/library/log"
"github.com/pkg/errors"
)
func keyFigure(mid int64) string {
return fmt.Sprintf("f:%d", mid)
}
func keyPendingMids(ver int64, shard int64) string {
return fmt.Sprintf("w:u%d%d", ver, shard)
}
// PingRedis check redis connection
func (d *Dao) PingRedis(c context.Context) (err error) {
conn := d.redis.Get(c)
defer conn.Close()
_, err = conn.Do("SET", "PING", "PONG")
return
}
// FigureCache get FigureUser from cache
func (d *Dao) FigureCache(c context.Context, mid int64) (figure *model.Figure, err error) {
key := keyFigure(mid)
conn := d.redis.Get(c)
defer conn.Close()
item, err := redis.Bytes(conn.Do("GET", key))
if err != nil {
if err == redis.ErrNil {
err = nil
}
return
}
figure = &model.Figure{}
if err = json.Unmarshal(item, &figure); err != nil {
log.Error("json.Unmarshal(%v) err(%v)", item, err)
}
return
}
// SetFigureCache set FigureUser to cache
func (d *Dao) SetFigureCache(c context.Context, figure *model.Figure) (err error) {
key := keyFigure(figure.Mid)
conn := d.redis.Get(c)
defer conn.Close()
values, err := json.Marshal(figure)
if err != nil {
return
}
if err = conn.Send("SET", key, values); err != nil {
log.Error("conn.Send(SET, %s, %v) error(%v)", key, values, err)
return
}
if err = conn.Send("EXPIRE", key, d.redisExpire); err != nil {
log.Error("conn.Send(Expire, %s, %d) error(%v)", key, d.redisExpire, err)
return
}
return
}
// PendingMidsCache get PendingUser set from cache
func (d *Dao) PendingMidsCache(c context.Context, version int64, shard int64) (mids []int64, err error) {
var (
conn = d.redis.Get(c)
key = keyPendingMids(version, shard)
)
defer conn.Close()
if mids, err = redis.Int64s(conn.Do("SMEMBERS", key)); err != nil {
if err == redis.ErrNil {
err = nil
return
}
err = errors.Wrapf(err, "redis.Int64s(conn.Do(SMEMEBERS,%s))", key)
return
}
return
}
// RemoveCache remove figure cache
func (d *Dao) RemoveCache(c context.Context, mid int64) (err error) {
key := keyFigure(mid)
conn := d.redis.Get(c)
defer conn.Close()
if err = conn.Send("DEL", key); err != nil {
log.Error("conn.Send(DEL, %s) error(%v)", key, err)
return
}
return
}