bilibili-backup/app/interface/main/activity/dao/like/action.go
2019-04-22 02:59:20 +00:00

422 lines
12 KiB
Go

package like
import (
"context"
"database/sql"
"fmt"
"strconv"
"time"
l "go-common/app/interface/main/activity/model/like"
"go-common/library/cache/memcache"
"go-common/library/cache/redis"
xsql "go-common/library/database/sql"
"go-common/library/log"
"go-common/library/stat/prom"
"go-common/library/xstr"
"github.com/pkg/errors"
)
// like_action sql and like state
const (
_likeActInfosSQL = "select id,lid from like_action where lid in (%s) and mid = ?"
_likeActAddSQL = "INSERT INTO like_action(lid,mid,action,sid,ipv6,ctime,mtime) VALUES(?,?,?,?,?,?,?)"
_likeActSumSQL = "select sum(action) likes, lid from like_action where sid = ? and lid in (%s) group by lid ORDER BY likes desc"
_storyActSumSQL = "select sum(action) likes from like_action where sid = ? and mid = ? and ctime >= ? and ctime <= ?"
_storyEachActSumSQL = "select sum(action) likes from like_action where sid = ? and mid = ? and lid = ? and ctime >= ? and ctime <= ?"
HasLike = 1
NoLike = -1
//Total number of activities set the old is bilibili-activity:like:%d
_likeActScoreKeyFmt = "go:bl-a:l:%d"
//Total number of comments for different types of manuscripts
_likeActScoreTyoeKeyFmt = "go:bl:a:l:%d:%d"
//liked key the old is bilibili-activity:like:%d:%d:%d
_likeActKeyFmt = "go:bl-act:l:%d:%d:%d"
//Total number of like the old is likes:oid:%d
_likeLidKeyFmt = "go:ls:oid:%d"
//Total number of activities like the old is sb:likes:count:%d
_likeCountKeyFmt = "go:sb:ls:count:%d"
)
// likeActScoreKey .
func likeActScoreKey(sid int64) string {
return fmt.Sprintf(_likeActScoreKeyFmt, sid)
}
// likeActScoreTypeKey .
func likeActScoreTypeKey(sid int64, ltype int) string {
return fmt.Sprintf(_likeActScoreTyoeKeyFmt, ltype, sid)
}
func likeActKey(sid, lid, mid int64) string {
return fmt.Sprintf(_likeActKeyFmt, sid, lid, mid)
}
// likeLidKey .
func likeLidKey(oid int64) string {
return fmt.Sprintf(_likeLidKeyFmt, oid)
}
// likeCountKey .
func likeCountKey(sid int64) string {
return fmt.Sprintf(_likeCountKeyFmt, sid)
}
// LikeActInfos get likesaction logs.
func (dao *Dao) LikeActInfos(c context.Context, lids []int64, mid int64) (likeActs map[int64]*l.Action, err error) {
var rows *xsql.Rows
if rows, err = dao.db.Query(c, fmt.Sprintf(_likeActInfosSQL, xstr.JoinInts(lids)), mid); err != nil {
if err == xsql.ErrNoRows {
err = nil
} else {
err = errors.Wrapf(err, "LikeActInfos:Query(%s)", _likeActInfosSQL)
return
}
}
defer rows.Close()
likeActs = make(map[int64]*l.Action, len(lids))
for rows.Next() {
a := &l.Action{}
if err = rows.Scan(&a.ID, &a.Lid); err != nil {
err = errors.Wrap(err, "LikeActInfos:scan()")
return
}
likeActs[a.Lid] = a
}
if err = rows.Err(); err != nil {
err = errors.Wrap(err, "LikeActInfos:rows.Err()")
}
return
}
// LikeActSums get like_action likes sum data .
func (dao *Dao) LikeActSums(c context.Context, sid int64, lids []int64) (res []*l.LidLikeSum, err error) {
var rows *xsql.Rows
if rows, err = dao.db.Query(c, fmt.Sprintf(_likeActSumSQL, xstr.JoinInts(lids)), sid); err != nil {
if err == xsql.ErrNoRows {
err = nil
} else {
err = errors.Wrapf(err, "LikeActSums:Query(%s)", _likeActSumSQL)
return
}
}
defer rows.Close()
res = make([]*l.LidLikeSum, 0, len(lids))
for rows.Next() {
a := &l.LidLikeSum{}
if err = rows.Scan(&a.Likes, &a.Lid); err != nil {
err = errors.Wrapf(err, "LikeActSums:Scan(%s)", _likeActSumSQL)
return
}
res = append(res, a)
}
if err = rows.Err(); err != nil {
err = errors.Wrapf(err, "LikeActSums:rows.Err(%s)", _likeActSumSQL)
}
return
}
// StoryLikeActSum .
func (dao *Dao) StoryLikeActSum(c context.Context, sid, mid int64, stime, etime string) (res int64, err error) {
var tt sql.NullInt64
row := dao.db.QueryRow(c, _storyActSumSQL, sid, mid, stime, etime)
if err = row.Scan(&tt); err != nil {
if err == sql.ErrNoRows {
err = nil
} else {
err = errors.Wrap(err, "row.Scan()")
}
}
res = tt.Int64
return
}
// StoryEachLikeAct .
func (dao *Dao) StoryEachLikeAct(c context.Context, sid, mid, lid int64, stime, etime string) (res int64, err error) {
var tt sql.NullInt64
row := dao.db.QueryRow(c, _storyEachActSumSQL, sid, mid, lid, stime, etime)
if err = row.Scan(&tt); err != nil {
if err == sql.ErrNoRows {
err = nil
} else {
err = errors.Wrap(err, "row.Scan()")
}
}
res = tt.Int64
return
}
// SetRedisCache .
func (dao *Dao) SetRedisCache(c context.Context, sid, lid, score int64, likeType int) (err error) {
var (
conn = dao.redis.Get(c)
key = likeActScoreKey(sid)
lidKey = likeLidKey(lid)
lidCountKey = likeCountKey(sid)
max = 3
)
defer conn.Close()
if err = conn.Send("ZINCRBY", key, score, lid); err != nil {
err = errors.Wrap(err, "conn.Send(ZINCRBY) likeActScoreKey")
return
}
if err = conn.Send("INCRBY", lidKey, score); err != nil {
err = errors.Wrap(err, "conn.Send(INCR) likeLidKey")
return
}
if likeType != 0 {
max++
typeKey := likeActScoreTypeKey(sid, likeType)
if err = conn.Send("ZINCRBY", typeKey, score, lid); err != nil {
err = errors.Wrap(err, "conn.Send(ZINCRBY) likeActScoreTypeKey")
return
}
}
if err = conn.Send("INCRBY", lidCountKey, score); err != nil {
err = errors.Wrap(err, "conn.Send(INCR) likeLidKey")
return
}
if err = conn.Flush(); err != nil {
err = errors.Wrap(err, " conn.Set()")
return
}
for i := 0; i < max; i++ {
if _, err = conn.Receive(); err != nil {
err = errors.Wrap(err, fmt.Sprintf("conn.Receive()%d", i+1))
return
}
}
return
}
// RedisCache get cache order by like .
func (dao *Dao) RedisCache(c context.Context, sid int64, start, end int) (res []*l.LidLikeRes, err error) {
var (
conn = dao.redis.Get(c)
key = likeActScoreKey(sid)
)
defer conn.Close()
values, err := redis.Values(conn.Do("ZREVRANGE", key, start, end, "WITHSCORES"))
if err != nil {
err = errors.Wrap(err, "conn.Do(ZREVRANGE)")
return
}
if len(values) == 0 {
return
}
res = make([]*l.LidLikeRes, 0, len(values))
for len(values) > 0 {
t := &l.LidLikeRes{}
if values, err = redis.Scan(values, &t.Lid, &t.Score); err != nil {
err = errors.Wrap(err, "redis.Scan")
return
}
res = append(res, t)
}
return
}
// LikeActZscore .
func (dao *Dao) LikeActZscore(c context.Context, sid, lid int64) (res int64, err error) {
var (
conn = dao.redis.Get(c)
key = likeActScoreKey(sid)
)
defer conn.Close()
if res, err = redis.Int64(conn.Do("ZSCORE", key, lid)); err != nil {
if err == redis.ErrNil {
err = nil
} else {
err = errors.Wrap(err, "conn.Do(ZSCORE)")
}
}
return
}
// SetInitializeLikeCache initialize like_action like data .
func (dao *Dao) SetInitializeLikeCache(c context.Context, sid int64, lidLikeAct map[int64]int64, typeLike map[int64]int) (err error) {
var (
conn = dao.redis.Get(c)
max = 0
key = likeActScoreKey(sid)
args = redis.Args{}.Add(key)
)
defer conn.Close()
for k, val := range lidLikeAct {
args = args.Add(val).Add(k)
if typeLike[k] != 0 {
keyType := likeActScoreTypeKey(sid, typeLike[k])
argsType := redis.Args{}.Add(keyType).Add(val).Add(k)
if err = conn.Send("ZADD", argsType...); err != nil {
log.Error("SetInitializeLikeCache:conn.Send(zadd) args(%v) error(%v)", argsType, err)
return
}
max++
}
}
if err = conn.Send("ZADD", args...); err != nil {
log.Error("SetInitializeLikeCache:conn.Send(zadd) args(%v) error(%v)", args, err)
return
}
max++
if err = conn.Flush(); err != nil {
err = errors.Wrap(err, "SetInitializeLikeCache:conn.Set()")
return
}
for i := 0; i < max; i++ {
if _, err = conn.Receive(); err != nil {
err = errors.Wrapf(err, "SetInitializeLikeCache:conn.Receive()%d", i+1)
}
}
return
}
// LikeActAdd add like_action .
func (dao *Dao) LikeActAdd(c context.Context, likeAct *l.Action) (id int64, err error) {
var res sql.Result
if res, err = dao.db.Exec(c, _likeActAddSQL, likeAct.Lid, likeAct.Mid, likeAct.Action, likeAct.Sid, likeAct.IPv6, time.Now(), time.Now()); err != nil {
err = errors.Wrapf(err, "d.db.Exec(%s)", _likeActAddSQL)
return
}
return res.LastInsertId()
}
// LikeActLidCounts get lid score.
func (dao *Dao) LikeActLidCounts(c context.Context, lids []int64) (res map[int64]int64, err error) {
var (
conn = dao.redis.Get(c)
args = redis.Args{}
ss []int64
)
defer conn.Close()
for _, lid := range lids {
args = args.Add(likeLidKey(lid))
}
if ss, err = redis.Int64s(conn.Do("MGET", args...)); err != nil {
if err == redis.ErrNil {
err = nil
} else {
err = errors.Wrapf(err, "redis.Ints(conn.Do(HMGET,%v)", args)
}
return
}
res = make(map[int64]int64, len(lids))
for key, val := range ss {
res[lids[key]] = val
}
return
}
// LikeActs get data from cache if miss will call source method, then add to cache.
func (dao *Dao) LikeActs(c context.Context, sid, mid int64, lids []int64) (res map[int64]int, err error) {
var (
miss []int64
likeActInfos map[int64]*l.Action
missVal map[int64]int
)
if len(lids) == 0 {
return
}
addCache := true
res, err = dao.CacheLikeActs(c, sid, mid, lids)
if err != nil {
addCache = false
res = nil
err = nil
}
for _, key := range lids {
if (res == nil) || (res[key] == 0) {
miss = append(miss, key)
}
}
prom.CacheHit.Add("LikeActs", int64(len(lids)-len(miss)))
if len(miss) == 0 {
return
}
if likeActInfos, err = dao.LikeActInfos(c, miss, mid); err != nil {
err = errors.Wrapf(err, "dao.LikeActInfos(%v) error(%v)", miss, err)
return
}
if res == nil {
res = make(map[int64]int)
}
missVal = make(map[int64]int, len(miss))
for _, mcLid := range miss {
if _, ok := likeActInfos[mcLid]; ok {
res[mcLid] = HasLike
} else {
res[mcLid] = NoLike
}
missVal[mcLid] = res[mcLid]
}
if !addCache {
return
}
dao.AddCacheLikeActs(c, sid, mid, missVal)
return
}
// CacheLikeActs res value val -1:no like 1:has like 0:no value.
func (dao *Dao) CacheLikeActs(c context.Context, sid, mid int64, lids []int64) (res map[int64]int, err error) {
l := len(lids)
if l == 0 {
return
}
keysMap := make(map[string]int64, l)
keys := make([]string, 0, l)
for _, id := range lids {
key := likeActKey(sid, id, mid)
keysMap[key] = id
keys = append(keys, key)
}
conn := dao.mc.Get(c)
defer conn.Close()
replies, err := conn.GetMulti(keys)
if err != nil {
prom.BusinessErrCount.Incr("mc:CacheLikeActs")
log.Errorv(c, log.KV("CacheLikeActs", fmt.Sprintf("%+v", err)), log.KV("keys", keys))
return
}
for key, reply := range replies {
var v string
err = conn.Scan(reply, &v)
if err != nil {
prom.BusinessErrCount.Incr("mc:CacheLikeActs")
log.Errorv(c, log.KV("CacheLikeActs", fmt.Sprintf("%+v", err)), log.KV("key", key))
return
}
r, err := strconv.ParseInt(v, 10, 64)
if err != nil {
prom.BusinessErrCount.Incr("mc:CacheLikeActs")
log.Errorv(c, log.KV("CacheLikeActs", fmt.Sprintf("%+v", err)), log.KV("key", key))
return res, err
}
if res == nil {
res = make(map[int64]int, len(keys))
}
res[keysMap[key]] = int(r)
}
return
}
// AddCacheLikeActs Set data to mc
func (dao *Dao) AddCacheLikeActs(c context.Context, sid, mid int64, values map[int64]int) (err error) {
if len(values) == 0 {
return
}
conn := dao.mc.Get(c)
defer conn.Close()
for id, val := range values {
key := likeActKey(sid, id, mid)
bs := []byte(strconv.FormatInt(int64(val), 10))
item := &memcache.Item{Key: key, Value: bs, Expiration: dao.mcPerpetualExpire, Flags: memcache.FlagRAW}
if err = conn.Set(item); err != nil {
prom.BusinessErrCount.Incr("mc:AddCacheLikeActs")
log.Errorv(c, log.KV("AddCacheLikeActs", fmt.Sprintf("%+v", err)), log.KV("key", key))
return
}
}
return
}