2019-04-22 02:59:20 +00:00

100 lines
2.3 KiB
Go

package dao
import (
"context"
"encoding/json"
"go-common/library/cache/redis"
"go-common/library/log"
)
// SetIncomeCache set income cache
func (d *Dao) SetIncomeCache(c context.Context, key string, value map[string]interface{}) (err error) {
v, err := json.Marshal(value)
if err != nil {
log.Error("json.Marshal error(%v)", err)
return
}
return d.setCacheKV(c, key, v, d.redisExpire)
}
// GetIncomeCache get income cache
func (d *Dao) GetIncomeCache(c context.Context, key string) (data map[string]interface{}, err error) {
res, err := d.getCacheVal(c, key)
if err != nil {
log.Error("d.getCacheVal error(%v)", err)
return
}
if res == nil {
return
}
err = json.Unmarshal(res, &data)
if err != nil {
log.Error("json.Unmarshal(%v) error(%v)", res, err)
}
return
}
// DelCacheKey del redis key
func (d *Dao) DelCacheKey(c context.Context, key string) (err error) {
return d.delCacheKey(c, key)
}
func (d *Dao) setCacheKV(c context.Context, key string, value []byte, expire int64) (err error) {
conn := d.redis.Get(c)
defer conn.Close()
if err = conn.Send("SET", key, value); err != nil {
log.Error("conn.Send(SET, %s, %s) error(%v)", key, value, 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
}
if err = conn.Flush(); err != nil {
log.Error("conn.Flush error(%v)", err)
return
}
for i := 0; i < 2; i++ {
if _, err = conn.Receive(); err != nil {
log.Error("conn.Receive() error(%v)", err)
return
}
}
return
}
func (d *Dao) getCacheVal(c context.Context, key string) (res []byte, err error) {
conn := d.redis.Get(c)
defer conn.Close()
if res, err = redis.Bytes(conn.Do("GET", key)); err != nil {
if err == redis.ErrNil {
res, err = nil, nil
} else {
log.Error("conn.Do(GET, %s) error(%v)", key, err)
}
return
}
return
}
func (d *Dao) delCacheKey(c context.Context, key string) (err error) {
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
}
if err = conn.Flush(); err != nil {
log.Error("conn.Flush error(%v)", err)
return
}
if _, err = conn.Receive(); err != nil {
log.Error("conn.Receive() error(%v)", err)
}
return
}