go-common/app/service/main/thumbup/dao/item_likes_redis.go
2019-04-22 02:59:20 +00:00

207 lines
6.7 KiB
Go

package dao
import (
"context"
"fmt"
"go-common/app/service/main/thumbup/model"
"go-common/library/cache/redis"
"go-common/library/log"
xtime "go-common/library/time"
)
func itemLikesKey(businessID, messageID int64, state int8) string {
return fmt.Sprintf("i2_m_%d_b_%d_%d", messageID, businessID, state)
}
// CacheItemLikeList .
func (d *Dao) CacheItemLikeList(c context.Context, messageID, businessID int64, state int8, start, end int) (res []*model.UserLikeRecord, err error) {
conn := d.redis.Get(c)
defer conn.Close()
key := itemLikesKey(businessID, messageID, state)
items, err := redis.Values(conn.Do("ZREVRANGE", key, start, end, "withscores"))
if err != nil {
if err == redis.ErrNil {
err = nil
return
}
PromError("redis:CacheItemLikeList")
log.Errorv(c, log.KV("CacheItemLikeList", fmt.Sprintf("%+v", err)))
return
}
for len(items) > 0 {
var id, t int64
if items, err = redis.Scan(items, &id, &t); err != nil {
PromError("redis:CacheItemLikeList")
log.Errorv(c, log.KV("CacheItemLikeList", fmt.Sprintf("%+v", err)))
return
}
res = append(res, &model.UserLikeRecord{Mid: id, Time: xtime.Time(t)})
}
return
}
// AddCacheItemLikeList .
func (d *Dao) AddCacheItemLikeList(c context.Context, messageID int64, miss []*model.UserLikeRecord, businessID int64, state int8) (err error) {
if len(miss) == 0 {
return
}
limit := d.BusinessIDMap[businessID].MessageLikesLimit
var count int
conn := d.redis.Get(c)
defer conn.Close()
key := itemLikesKey(businessID, messageID, state)
if err = conn.Send("DEL", key); err != nil {
PromError("redis:项目点赞列表")
log.Errorv(c, log.KV("AddCacheItemLikeList", fmt.Sprintf("AddCacheItemLikeList conn.Send(DEL, %s) error(%+v)", key, err)))
return
}
count++
for _, item := range miss {
id := item.Mid
score := int64(item.Time)
if err = conn.Send("ZADD", key, "CH", score, id); err != nil {
PromError("redis:项目点赞列表")
log.Errorv(c, log.KV("log", fmt.Sprintf("AddCacheItemLikeList 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 {
PromError("redis:项目点赞列表rm")
log.Errorv(c, log.KV("log", fmt.Sprintf("AddCacheItemLikeList conn.Send(ZREMRANGEBYRANK, %s, 0, %d) error(%v)", key, -(limit+1), err)))
return
}
count++
if err = conn.Send("EXPIRE", key, d.redisItemLikesExpire); err != nil {
PromError("redis:项目点赞列表过期")
log.Errorv(c, log.KV("log", fmt.Sprintf("AddCacheItemLikeList conn.Send(EXPIRE, %s, %d) error(%v)", key, d.redisItemLikesExpire, err)))
return
}
count++
if err = conn.Flush(); err != nil {
PromError("redis:项目点赞列表flush")
log.Errorv(c, log.KV("log", fmt.Sprintf("AddCacheItemLikeList conn.Flush error(%v)", err)))
return
}
for i := 0; i < count; i++ {
if _, err = conn.Receive(); err != nil {
PromError("redis:项目点赞列表receive")
log.Errorv(c, log.KV("log", fmt.Sprintf("AddCacheItemLikeList conn.Receive error(%v)", err)), log.KV("miss", miss))
return
}
}
return
}
// ExpireItemLikesCache .
func (d *Dao) ExpireItemLikesCache(c context.Context, messageID, businessID int64, state int8) (ok bool, err error) {
conn := d.redis.Get(c)
defer conn.Close()
key := itemLikesKey(businessID, messageID, state)
if ok, err = redis.Bool(conn.Do("EXPIRE", key, d.redisItemLikesExpire)); err != nil {
PromError("redis:expire项目点赞列表")
log.Errorv(c, log.KV("log", fmt.Sprintf("conn.Send(EXPIRE, %s) error(%v)", key, err)))
}
return
}
// ItemLikeExists .
func (d *Dao) ItemLikeExists(c context.Context, messageID, businessID int64, mids []int64, state int8) (res map[int64]int64, err error) {
conn := d.redis.Get(c)
defer conn.Close()
key := itemLikesKey(businessID, messageID, state)
res = make(map[int64]int64)
for _, name := range mids {
conn.Send("ZSCORE", key, name)
}
if err = conn.Flush(); err != nil {
PromError("redis:ItemLikeExists")
log.Errorv(c, log.KV("log", fmt.Sprintf("conn.Flush() error(%v)", err)))
return
}
for _, name := range mids {
var s int64
if s, err = redis.Int64(conn.Receive()); err == nil {
res[name] = s
} else if err == redis.ErrNil {
err = nil
} else {
PromError("redis:ItemLikeExists")
log.Errorv(c, log.KV("log", fmt.Sprintf("ItemLikeExists conn.Receive() error(%v)", err)))
return
}
}
return
}
// AppendCacheItemLikeList .
func (d *Dao) AppendCacheItemLikeList(c context.Context, messageID int64, item *model.UserLikeRecord, businessID int64, state int8) (err error) {
if item == nil {
return
}
limit := d.BusinessIDMap[businessID].MessageLikesLimit
var count int
conn := d.redis.Get(c)
defer conn.Close()
key := itemLikesKey(businessID, messageID, state)
id := item.Mid
score := int64(item.Time)
if err = conn.Send("ZADD", key, "CH", score, id); err != nil {
PromError("redis:项目点赞列表")
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 {
PromError("redis:项目点赞列表rm")
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.redisItemLikesExpire); err != nil {
PromError("redis:项目点赞列表过期")
log.Errorv(c, log.KV("log", fmt.Sprintf("conn.Send(EXPIRE, %s, %d) error(%v)", key, d.redisItemLikesExpire, err)))
return
}
count++
if err = conn.Flush(); err != nil {
PromError("redis:项目点赞列表flush")
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 {
PromError("redis:项目点赞列表receive")
log.Errorv(c, log.KV("log", fmt.Sprintf("conn.Receive error(%v)", err)))
return
}
}
return
}
// DelItemLikeCache .
func (d *Dao) DelItemLikeCache(c context.Context, messageID, businessID int64, mid int64, state int8) (err error) {
conn := d.redis.Get(c)
defer conn.Close()
key := itemLikesKey(businessID, messageID, state)
if _, err = conn.Do("ZREM", key, mid); err != nil {
PromError("redis:zrem项目点赞列表")
log.Errorv(c, log.KV("log", fmt.Sprintf("conn.Send(ZREM, %s, %v) error(%v)", key, mid, err)))
}
return
}
// ItemLikesCountCache .
func (d *Dao) ItemLikesCountCache(c context.Context, businessID, messageID int64) (res int, err error) {
conn := d.redis.Get(c)
defer conn.Close()
key := itemLikesKey(businessID, messageID, model.StateLike)
res, err = redis.Int(conn.Do("ZCOUNT", key, "(0", "+inf"))
if err != nil {
log.Errorv(c, log.KV("log", fmt.Sprintf("dao.ItemLikesCountCache(%d, %d) err:%v", businessID, messageID, err)))
PromError("redis:项目点赞总数")
}
return
}