go-common/app/job/main/thumbup/dao/user_likes_redis.go
2019-04-22 18:49:16 +08:00

117 lines
3.5 KiB
Go

package dao
import (
"context"
"fmt"
"go-common/app/job/main/thumbup/model"
"go-common/library/cache/redis"
"go-common/library/log"
)
func userLikesKey(businessID, mid int64, state int8) string {
return fmt.Sprintf("u_m_%d_b_%d_%d", mid, businessID, state)
}
// ExpireUserLikesCache .
func (d *Dao) ExpireUserLikesCache(c context.Context, mid, businessID int64, state int8) (ok bool, err error) {
conn := d.redis.Get(c)
defer conn.Close()
key := userLikesKey(businessID, mid, state)
if ok, err = redis.Bool(conn.Do("EXPIRE", key, d.redisUserLikesExpire)); err != nil {
log.Errorv(c, log.KV("log", fmt.Sprintf("conn.Send(EXPIRE, %s) error(%v)", key, err)))
}
return
}
// AppendCacheUserLikeList .
func (d *Dao) AppendCacheUserLikeList(c context.Context, mid int64, item *model.ItemLikeRecord, businessID int64, state int8, limit int) (err error) {
if item == nil {
return
}
var count int
conn := d.redis.Get(c)
defer conn.Close()
key := userLikesKey(businessID, mid, state)
id := item.MessageID
score := int64(item.Time)
if err = conn.Send("ZADD", key, "CH", score, id); err != nil {
log.Errorv(c, log.KV("log", fmt.Sprintf("conn.Send(ZADD, %s, %d, %v) error(%v)", key, score, id, err)))
return
}
count++
if err = conn.Send("ZREMRANGEBYRANK", key, 0, -(limit + 1)); err != nil {
log.Errorv(c, log.KV("log", fmt.Sprintf("conn.Send(ZREMRANGEBYRANK, %s, 0, %d) error(%v)", key, -(limit+1), err)))
return
}
count++
if err = conn.Send("EXPIRE", key, d.redisUserLikesExpire); err != nil {
log.Errorv(c, log.KV("log", fmt.Sprintf("conn.Send(EXPIRE, %s, %d) error(%v)", key, d.redisUserLikesExpire, err)))
return
}
count++
if err = conn.Flush(); err != nil {
log.Errorv(c, log.KV("log", fmt.Sprintf("conn.Flush error(%v)", err)))
return
}
for i := 0; i < count; i++ {
if _, err = conn.Receive(); err != nil {
log.Errorv(c, log.KV("log", fmt.Sprintf("conn.Receive error(%v)", err)))
return
}
}
return
}
// AddUserLikesCache .
func (d *Dao) AddUserLikesCache(c context.Context, mid, businessID int64, items []*model.ItemLikeRecord, typ int8, limit int) (err error) {
if len(items) == 0 {
return
}
conn := d.redis.Get(c)
defer conn.Close()
key := userLikesKey(businessID, mid, typ)
if err = conn.Send("DEL", key); err != nil {
log.Errorv(c, log.KV("AddCacheUserLikeList", fmt.Sprintf("conn.Send(DEL, %s) error(%+v)", key, err)))
return
}
args := redis.Args{}.Add(key).Add("CH")
for _, item := range items {
args = args.Add(int64(item.Time)).Add(item.MessageID)
}
if err = conn.Send("ZADD", args...); err != nil {
log.Error("zadd key(%s) args(%v) error(%v)", key, args, err)
return
}
if err = conn.Send("ZREMRANGEBYRANK", key, 0, -(limit + 1)); err != nil {
log.Error("zremrangebyrank error(%v)", err)
return
}
if err = conn.Send("EXPIRE", key, d.redisUserLikesExpire); err != nil {
log.Error("expire key(%s) error(%v)", key, err)
return
}
if err = conn.Flush(); err != nil {
log.Error("redis flush error(%v)", err)
return
}
for i := 0; i < 4; i++ {
if _, err = conn.Receive(); err != nil {
log.Error("redis receive error(%v)", err)
return
}
}
return
}
// DelUserLikeCache .
func (d *Dao) DelUserLikeCache(c context.Context, mid, businessID int64, messageID int64, state int8) (err error) {
conn := d.redis.Get(c)
defer conn.Close()
key := userLikesKey(businessID, mid, state)
if _, err = conn.Do("ZREM", key, messageID); err != nil {
log.Errorv(c, log.KV("log", fmt.Sprintf("conn.Send(ZREM, %s, %v) error(%v)", key, messageID, err)))
}
return
}