func putPageWithoutLock(w http.ResponseWriter, r *http.Request, u string, pageToLock string) {
alreadyLocking, err := redis.Bool(rdo("EXISTS", "LOCK:"+u))
if err != nil {
log.Println("Unable to verify if user already has a page locked")
fmt.Fprint(w, `{"editable":false, "reason":"Unable to verify if the page is locked"}`)
} else if alreadyLocking {
lockedPage, err := redis.String(rdo("GET", "LOCK:"+u))
if err != nil {
log.Println("Unable to get locked page for user:"******"editable":false, "reason":"Unable to locate the page currently locked by the user"}`)
} else {
if lockedPage == pageToLock {
fmt.Fprint(w, `{"editable":true}`)
} else {
fmt.Fprint(w, `{"editable":false, "reason":"Your lock is being used on: `+lockedPage+`"}`)
}
}
} else {
lockObtained, err := redis.Bool(rdo("SETNX", "PAGE:"+pageToLock, u))
if err != nil {
log.Println("Failed to get lock on page where lock does not exist:", pageToLock, err)
fmt.Fprint(w, `{"editable":false, "reason":"Failed to obtain lock on page"}`)
} else {
if lockObtained {
rdo("SET", "LOCK:"+u, pageToLock)
rdo("EXPIRE", "PAGE:"+pageToLock, pageLockTTL)
rdo("EXPIRE", "LOCK:"+u, pageLockTTL)
fmt.Fprint(w, `{"editable":true}`)
} else {
fmt.Fprint(w, `{"editable":false, "reason":"Unable to obtain lock on page"}`)
}
}
}
}
func TestRemoveRedisRecords(t *testing.T) {
conn, clean := getConn()
defer clean()
// clean
defer func() {
conn.Do("FLUSHALL")
conn.Close()
}()
_, err := conn.Do("SET", "abc", "123")
check(err)
_, err = conn.Do("SET", "a:b:c", "123")
check(err)
// remove file
err = os.Remove(filepath("abc"))
check(err)
_, err = os.Stat(filepath("abc"))
assert.True(t, os.IsNotExist(err))
exist, err := redis.Bool(conn.Do("EXISTS", "abc"))
assert.False(t, exist)
// remove dir
err = os.RemoveAll(filepath("a"))
check(err)
_, err = os.Stat(filepath("a"))
check(err)
exist, err = redis.Bool(conn.Do("EXISTS", "a:b:c"))
assert.False(t, exist)
}
func putPage(w http.ResponseWriter, r *http.Request, u string) {
userExists, err := redis.Bool(rdo("EXISTS", "USER:"******"Attempt to edit with a non-existent account:", u, err)
fmt.Fprint(w, `{"editable":false}`)
} else {
if userExists {
setCookie(w, r, map[string]string{"u": u})
pageToLock := r.URL.Path
lockExists, err := redis.Bool(rdo("EXISTS", "PAGE:"+pageToLock))
if err != nil {
log.Println("Unable to test existence of lock for page:", pageToLock, err)
fmt.Fprint(w, `{"editable":true}`)
} else if lockExists {
lockingUser, err := redis.String(rdo("GET", "PAGE:"+pageToLock))
if err != nil {
log.Println("Unable to get user for locked page:", pageToLock, err)
fmt.Fprint(w, `{"editable":false, "reason":"Page is already locked by another user"}`)
} else {
if lockingUser == u {
fmt.Fprint(w, `{"editable":true}`)
} else {
fmt.Fprint(w, `{"editable":false, "reason":"Page is currently being edited by someone else"}`)
}
}
} else {
putPageWithoutLock(w, r, u, pageToLock)
}
} else {
log.Println("Attempt to edit with a user that doesn't exist:", u)
fmt.Fprint(w, `{"editable":false}`)
}
}
}
// QueueDocsetJob will queue a job to build a docset for an artifact, if there
// is not yet one built.
func QueueDocsetJob(groupId, artifactId string, version string) error {
var redisConn redis.Conn = redisconn.Get()
id := groupId + ":" + artifactId
exists, err := redis.Bool(redisConn.Do("SISMEMBER", "docsets", id))
if err != nil {
return err
}
if exists == true && version != "" {
verExists, err := redis.Bool(redisConn.Do("SISMEMBER", "docset:"+id, version))
if err != nil || verExists {
return err
}
} else if exists == true {
return nil
}
if err := QueueJob(map[string]string{
"Job": "build-docset",
"ArtifactId": artifactId,
"GroupId": groupId,
"Version": version,
}); err != nil {
return err
}
return nil
}
func Test_MigrateAllKeysWithAPrefix(t *testing.T) {
ClearRedis()
config = Config{
Source: sourceServer.url,
Dest: destServer.url,
Workers: 1,
Batch: 10,
Prefix: "bar",
}
for i := 0; i < 100; i++ {
key := fmt.Sprintf("bar:%d", i)
sourceServer.conn.Do("SET", key, i)
}
sourceServer.conn.Do("SET", "baz:foo", "yolo")
RunAction(migrateKeys)
for i := 0; i < 100; i++ {
key := fmt.Sprintf("bar:%d", i)
exists, _ := redis.Bool(destServer.conn.Do("EXISTS", key))
if !exists {
t.Errorf("Could not find a key %d that should have been migrated", key)
}
}
exists, _ := redis.Bool(destServer.conn.Do("EXISTS", "baz:foo"))
if exists {
t.Errorf("Found a key %s that should not have been migrated", "baz:foo")
}
}
func article_vote(user, article string, vt VTYPE) {
now := time.Now()
cutoff := now.Unix() - ONE_WEEK_IN_SECONDS
t, _ := redis.Int64(c.Do("ZSCORE", "time:", article))
if t < cutoff {
return
}
id := getID(article)
switch vt {
case UPVOTE:
//
bm, _ := redis.Int(c.Do("SMOVE", "voted_down", "voted_up", user))
if bm != 1 {
//first vote
b, _ := redis.Bool(c.Do("SADD", fmt.Sprintf("voted_up:%s", id), user))
if b {
c.Do("ZINCRBY", "score:", VOTE_SCORE, article)
c.Do("HINCRBY", article, "votes", 1)
} else {
//already upvoted
//cancel vote
c.Do("ZINCRBY", "score:", -VOTE_SCORE, article)
c.Do("HINCRBY", article, "votes", -1)
c.Do("SREM", fmt.Sprintf("voted_up:%s", id), user)
}
} else {
//switch from downvote to upvote
c.Do("ZINCRBY", "score:", VOTE_SCORE, article)
c.Do("HINCRBY", article, "votes", 1)
}
case DOWNVOTE:
bm, _ := redis.Int(c.Do("SMOVE", "voted_up", "voted_down", user))
if bm != 1 {
//first vote
b, _ := redis.Bool(c.Do("SADD", fmt.Sprintf("voted_down:%s", id), user))
if b {
c.Do("ZINCRBY", "score:", -VOTE_SCORE, article)
c.Do("HINCRBY", article, "votes", -1)
} else {
//already downvoted
//cancel vote
c.Do("ZINCRBY", "score:", VOTE_SCORE, article)
c.Do("HINCRBY", article, "votes", 1)
//remove
c.Do("SREM", fmt.Sprintf("voted_down:%s", id), user)
}
} else {
//switch from upvote to downvote
c.Do("ZINCRBY", "score:", -VOTE_SCORE, article)
c.Do("HINCRBY", article, "votes", -1)
}
}
}
func autoEnabled(conn redis.Conn, host, path string) (en bool, err error) {
en, err = redis.Bool(conn.Do("GET", fmt.Sprintf(keyEnabled, host, path)))
if err == redis.ErrNil {
en, err = redis.Bool(conn.Do("SISMEMBER", keyAutoEnable, host))
if err != nil {
return
}
if en {
conn.Do("SET", fmt.Sprintf(keyEnabled, host, path), "true")
}
}
return
}
func getSchedule(username string) string {
schedule := ""
client := getClient()
defer client.Close()
days := []string{"sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday"}
everyWeek := []string{}
thisWeek := []string{}
notThisWeek := []string{}
for _, day := range days {
readableDay := []rune(day)
readableDay[0] = unicode.ToUpper(readableDay[0])
if remote, _ := redis.Bool(client.Do("SISMEMBER", "remote.every."+day, username)); remote {
everyWeek = append(everyWeek, string(readableDay))
}
if remote, _ := redis.Bool(client.Do("SISMEMBER", "remote.this."+day, username)); remote {
thisWeek = append(thisWeek, string(readableDay))
}
if notRemote, _ := redis.Bool(client.Do("SISMEMBER", "not.remote.this."+day, username)); notRemote {
notThisWeek = append(notThisWeek, string(readableDay))
}
}
if len(everyWeek) > 0 {
schedule += "You are remote every " + strings.Join(everyWeek, ", ") + ".\n"
}
if len(thisWeek) > 0 {
if len(everyWeek) > 0 {
schedule += "In addition to your normal schedule, you are also remote this "
} else {
schedule += "You are remote this "
}
schedule += strings.Join(thisWeek, ", ") + ".\n"
}
if len(notThisWeek) > 0 {
schedule += "You are not remote this " + strings.Join(notThisWeek, ", ") + ".\n"
}
if len(everyWeek) == 0 && len(thisWeek) == 0 {
schedule += "You have no remote days scheduled.\n"
}
return schedule
}
// Intended usage
func TestRedisSync_IntendedUsage(t *testing.T) {
_, err := pool.Get().Do("FLUSHDB")
if err != nil {
t.Fatal("Error flushing database")
}
rs := &RedisSync{Key: "special flower", Pool: pool, ErrChan: make(chan error, 1), Timeout: 1 * time.Second}
rs.Lock()
err = <-rs.ErrChan
if err != nil {
t.Fatal("failed to obtain lock", err)
}
exists, err := redis.Bool(pool.Get().Do("EXISTS", "special flower.lock"))
if err != nil {
t.Fatal("eror checking if lock key exists")
}
if exists == false {
t.Fatal("lock key doesn't exist after lock")
}
hasLock := rs.HasLock()
err = <-rs.ErrChan
if err != nil {
t.Fatal("failed to check lock", rs.Key, err)
}
if !hasLock {
t.Fatal("HasLock should return true")
}
rs.Unlock()
err = <-rs.ErrChan
if err != nil {
t.Fatal("failed to unlock key", rs.Key, err)
}
exists, err = redis.Bool(pool.Get().Do("EXISTS", "special flower.lock"))
if err != nil {
t.Fatal("eror checking if lock key exists", err)
}
if exists == true {
t.Fatal("lock key still exist after unlock")
}
hasLock = rs.HasLock()
err = <-rs.ErrChan
if err != nil {
t.Fatal("failed to check lock", rs.Key, err)
}
if hasLock {
t.Fatal("HasLock should return false")
}
}
// Stat ensures that the digest is a member of the specified repository and
// forwards the descriptor request to the global blob store. If the media type
// differs for the repository, we override it.
func (rsrbds *repositoryScopedRedisBlobDescriptorService) Stat(ctx context.Context, dgst digest.Digest) (distribution.Descriptor, error) {
if err := dgst.Validate(); err != nil {
return distribution.Descriptor{}, err
}
conn := rsrbds.upstream.pool.Get()
defer conn.Close()
// Check membership to repository first
member, err := redis.Bool(conn.Do("SISMEMBER", rsrbds.repositoryBlobSetKey(rsrbds.repo), dgst))
if err != nil {
return distribution.Descriptor{}, err
}
if !member {
return distribution.Descriptor{}, distribution.ErrBlobUnknown
}
upstream, err := rsrbds.upstream.stat(ctx, conn, dgst)
if err != nil {
return distribution.Descriptor{}, err
}
// We allow a per repository mediatype, let's look it up here.
mediatype, err := redis.String(conn.Do("HGET", rsrbds.blobDescriptorHashKey(dgst), "mediatype"))
if err != nil {
return distribution.Descriptor{}, err
}
if mediatype != "" {
upstream.MediaType = mediatype
}
return upstream, nil
}
func (p *JobQ) resume() error {
c := p.pool.Get()
defer c.Close()
cntKey := p.Name + ":consumer:count"
exists, err := redis.Bool(c.Do("EXISTS", cntKey))
if err != nil {
return err
}
if exists {
cnt, err := redis.Int(c.Do("GET", cntKey))
if err != nil {
return err
}
for i := 0; i < cnt; i++ {
n, err := p.consumers[i].Len()
if err != nil {
return err
}
for j := 0; j < n; j++ {
if err := p.consumers[i].PopTo(p.inputQ, nil); err != nil {
return err
}
}
}
}
_, err = c.Do("SET", cntKey, len(p.consumers))
return err
}
func CreateUser(email, password string) (*User, error) {
rd := pool.Get()
defer rd.Close()
exists, err := redis.Bool(rd.Do("EXISTS", Config.UserNamespace+email))
if exists {
return nil, fmt.Errorf("that account is already registered")
} else if err != nil {
return nil, err
}
// Create a token
hash, err := abdi.Hash(password)
if err != nil {
return nil, err
}
user := User{
Email: email,
HashedPass: hash,
}
data, err := json.Marshal(user)
if err != nil {
return nil, err
}
_, err = rd.Do("SET", Config.UserNamespace+email, data)
if err != nil {
return nil, err
}
return &user, nil
}
func (c *CacheRedis) GetBool(key string) bool {
val, err := redis.Bool(c.conn.Do("GET", key))
if err != nil {
return false
}
return val
}
// Return a single random Fortune, from a random module
func RandomFortune(mod string) (*Fortune, error) {
conn := Pool.Get()
defer conn.Close()
// ensure the specified module exists
if mod != "" {
member, err := redis.Bool(conn.Do("SISMEMBER", MODS_KEY, mod))
if err != nil {
return nil, err
}
if member == false {
return nil, errors.New(fmt.Sprintf("module '%s' not found", mod))
}
}
if mod == "" {
mod2, err := redis.String(conn.Do("SRANDMEMBER", MODS_KEY))
if err != nil {
return nil, err
}
mod = mod2
}
fid, err := redis.Int(conn.Do("SRANDMEMBER", modKey(mod)))
if err != nil {
return nil, err
}
text, err := redis.String(conn.Do("GET", fortuneKey(fid)))
if err != nil {
return nil, err
}
return &Fortune{mod: mod, id: fid, text: text}, nil
}
func saveComment(conn redis.Conn, req *commentSubmitRequest) (id int64, err error) {
for {
id = time.Now().Unix()
var added bool
added, err = redis.Bool(conn.Do("ZADD", fmt.Sprintf(keyAll, req.host, req.path), id, id))
if err != nil {
log.Println(err)
return
}
if added {
break
}
time.Sleep(time.Second)
}
var ok string
ok, err = redis.String(conn.Do("HMSET", redis.Args{}.
Add(fmt.Sprintf(keyComment, req.host, req.path, id)).
AddFlat(req)...))
if err != nil {
return
}
if ok != "OK" {
log.Println("Unexpected return value from HMSET: %q\n", ok)
}
return
}
// Work runs an infinite loop, watching its database for new requests, starting job as requested,
// moving stream data back and forth, and updating job status as it changes.
func (w *Worker) Work() error {
conn := w.pool.Get()
defer conn.Close()
for {
Debugf("Waiting for job")
// Get the list of current jobs
// Wait for next start event
vals, err := redis.Values(conn.Do("BLPOP", w.KeyPath("start"), "0"))
if err != nil {
return err
}
var id string
if _, err := redis.Scan(vals[1:], &id); err != nil {
return err
}
Debugf("Received instruction to start job %s", id)
// Acquire lock on the job
acquired, err := redis.Bool(conn.Do("SETNX", w.KeyPath(id), "me"))
if err != nil {
return err
}
Debugf("Acquiring lock for job %s... -> %s", id, acquired)
// FIXME: set a dead man's switch with TTL & a periodic refresh
if acquired {
Debugf("Spawning goroutine for job %s", id)
go func(id string) {
if err := w.startJob(id); err != nil {
fmt.Fprintf(os.Stderr, "Error starting job %s: %s\n", id, err)
}
}(id)
}
}
}
func LoadUserAccessToken(token string) (int64, int64, string, error) {
conn := redis_pool.Get()
defer conn.Close()
key := fmt.Sprintf("access_token_%s", token)
var uid int64
var appid int64
var uname string
exists, err := redis.Bool(conn.Do("EXISTS", key))
if err != nil {
return 0, 0, "", err
}
if !exists {
return 0, 0, "", errors.New("token non exists")
}
reply, err := redis.Values(conn.Do("HMGET", key, "user_id", "app_id", "user_name"))
if err != nil {
log.Info("hmget error:", err)
return 0, 0, "", err
}
_, err = redis.Scan(reply, &uid, &appid, &uname)
if err != nil {
log.Warning("scan error:", err)
return 0, 0, "", err
}
return appid, uid, uname, nil
}
// IsExist returns true if cached value exists.
func (r *RedisCache) IsExist(key string) bool {
v, err := redigo.Bool(r.do("EXISTS", key))
if err != nil {
return false
}
return v
}
// Contains does a membership check on the repository blob set in redis. This
// is used as an access check before looking up global path information. If
// false is returned, the caller should still check the backend to if it
// exists elsewhere.
func (rlic *redisLayerInfoCache) Contains(ctx context.Context, repo string, dgst digest.Digest) (bool, error) {
conn := rlic.pool.Get()
defer conn.Close()
ctxu.GetLogger(ctx).Debugf("(*redisLayerInfoCache).Contains(%q, %q)", repo, dgst)
return redis.Bool(conn.Do("SISMEMBER", rlic.repositoryBlobSetKey(repo), dgst))
}
func Test_DoesNothingInDryRunModeForMigrate(t *testing.T) {
ClearRedis()
config = Config{
Source: sourceServer.url,
Workers: 1,
Batch: 10,
Prefix: "bar",
DryRun: true,
Dest: destServer.url,
}
for i := 0; i < 100; i++ {
key := fmt.Sprintf("bar:%d", i)
sourceServer.conn.Do("SET", key, i)
}
RunAction(migrateKeys)
for i := 0; i < 100; i++ {
key := fmt.Sprintf("bar:%d", i)
exists, _ := redis.Bool(destServer.conn.Do("EXISTS", key))
if exists {
t.Errorf("In DryRun mode, but found a key %d that was actually migrated", key)
}
}
}
func Test_MigrateAllKeysWithTTLs(t *testing.T) {
ClearRedis()
config = Config{
Source: sourceServer.url,
Dest: destServer.url,
Workers: 1,
Batch: 10,
Prefix: "bar",
}
for i := 0; i < 100; i++ {
key := fmt.Sprintf("bar:%d", i)
sourceServer.conn.Do("SET", key, i, "EX", 600)
}
RunAction(migrateKeys)
for i := 0; i < 100; i++ {
key := fmt.Sprintf("bar:%d", i)
exists, _ := redis.Bool(destServer.conn.Do("EXISTS", key))
if !exists {
t.Errorf("Could not find a key %d that should have been migrated", key)
}
ttl, _ := redis.Int64(destServer.conn.Do("PTTL", key))
if ttl < 1 || ttl > 600000 {
t.Errorf("Could not find a TTL for key %d that should have been migrated", key)
}
}
}
func ExampleGet() {
c, _ := redis.Dial("tcp", ":6379")
defer c.Close()
hc := hdis.Conn{c}
key := "object:1234567"
hc.Set(key, "The value")
value, _ := redis.String(hc.Get(key))
fmt.Printf("%v\n", value)
// Delete the hash if it exists
if exists, _ := redis.Bool(hc.Do("HEXISTS", key)); exists {
_, err := hc.Do("HDEL", key)
if err != nil {
fmt.Println(err)
}
}
// Execute invalid hash command
_, err := hc.Do("GET", "sample-key")
if err == hdis.NotAHashCommandError {
fmt.Println("Invalid hash command")
} else {
fmt.Println(err)
}
// Output:
// The value
// Invalid hash command
}
func (this *HashMap) Exists(k string) bool {
v, err := redis.Bool(Do("HEXISTS", this.Name, k))
if err != nil {
return false
}
return v
}
func hasUserAttribute(userId string, attribute string) (bool, error) {
c, err := getRedisConnection()
if err != nil {
return false, err
}
return redis.Bool(c.Do("HEXISTS", userId, attribute))
}
func (s *scheduled) poll() {
conn := Config.Pool.Get()
now := nowToSecondsWithNanoPrecision()
for _, key := range s.keys {
key = Config.Namespace + key
for {
messages, _ := redis.Strings(conn.Do("zrangebyscore", key, "-inf", now, "limit", 0, 1))
if len(messages) == 0 {
break
}
message, _ := NewMsg(messages[0])
if removed, _ := redis.Bool(conn.Do("zrem", key, messages[0])); removed {
queue, _ := message.Get("queue").String()
queue = strings.TrimPrefix(queue, Config.Namespace)
message.Set("enqueued_at", nowToSecondsWithNanoPrecision())
conn.Do("lpush", Config.Namespace+"queue:"+queue, message.ToJson())
}
}
}
conn.Close()
}
func AddUser(user *UserInfo) (rs uint32, err error) {
conn := userRedisPool.Get()
defer conn.Close()
var nkey string = fmt.Sprintf("n_%s", user.Name)
var exist bool
var seq int64
if seq, err = redis.Int64(conn.Do("incr", UserIdSeq)); err != nil {
return
}
if exist, err = redis.Bool(conn.Do("exists", nkey)); err != nil {
return
}
if exist {
err = UserExists
return
}
var buf = make([]byte, 4)
binary.LittleEndian.PutUint32(buf, uint32(seq))
if _, err = redis.String(conn.Do("set", nkey, buf)); err != nil {
return
}
rs = uint32(seq)
user.Id = rs
key := fmt.Sprintf("u%d", rs)
var val []byte
if val, err = json.Marshal(user); err != nil {
return
}
if _, err = redis.String(conn.Do("set", key, val)); err != nil {
return
}
return
}
func (s *scheduled) poll(continuing bool) {
if s.closed {
return
}
conn := Config.Pool.Get()
defer conn.Close()
now := time.Now().Unix()
for _, key := range s.keys {
for {
messages, _ := redis.Strings(conn.Do("zrangebyscore", key, "-inf", now, "limit", 0, 1))
if len(messages) == 0 {
break
}
message, _ := NewMsg(messages[0])
if removed, _ := redis.Bool(conn.Do("zrem", key, messages[0])); removed {
queue, _ := message.Get("queue").String()
conn.Do("lpush", fmt.Sprint("queue:", queue), message.ToJson())
}
}
}
if continuing {
time.Sleep(POLL_INTERVAL * time.Second)
s.poll(true)
}
}
// check - lock - check
func (provider *RedisProvider) startSession(sid string, conn redis.Conn, option *Options) (Sessioner, bool, error) {
// 检查随机生成的session是否被占用了
if exist, err := redis.Bool(conn.Do("EXISTS", getRedisKey(sid))); exist || err != nil {
return nil, false, err
}
// 观察sid
conn.Send("WATCH", getRedisKey(sid))
conn.Send("MULTI")
conn.Send("HSET", getRedisKey(sid), "createtime", time.Now().Unix())
if option.Cookielifttime > 0 {
conn.Send("EXPIRE", getRedisKey(sid), option.Cookielifttime)
} else {
conn.Send("EXPIRE", getRedisKey(sid), 30*24*60*60)
}
replay, err := conn.Do("EXEC")
if err != nil {
return nil, false, err
}
if replay == nil {
return nil, false, nil
}
sessioner, err := provider.GetSessioner(sid)
return sessioner, true, err
}
func setMirrorState(r *redisobj, id string, state bool, reason string) error {
conn := r.pool.Get()
defer conn.Close()
key := fmt.Sprintf("MIRROR_%s", id)
previousState, err := redis.Bool(conn.Do("HGET", key, "up"))
if err != nil {
return err
}
var args []interface{}
args = append(args, key, "up", state, "excludeReason", reason)
if state != previousState {
args = append(args, "stateSince", time.Now().Unix())
}
_, err = conn.Do("HMSET", args...)
if state != previousState {
// Publish update
Publish(conn, MIRROR_UPDATE, id)
}
return err
}
// Add adds a rating by user for item
func (r Rater) Add(user User, item Item) error {
yes, err := redis.Bool(r.e.c.Do("SISMEMBER", fmt.Sprintf("%s:%s:%s", r.e.class, item, r.kind), user))
if err != nil {
return err
}
if !yes {
_, err = r.e.c.Do("ZINCRBY", fmt.Sprintf("%s:mosts:%s", r.e.class, r.kind), 1, item)
if err != nil {
return err
}
}
_, err = r.e.c.Do("SADD", fmt.Sprintf("%s:%s:%s", r.e.class, user, r.kind), item)
if err != nil {
return err
}
_, err = r.e.c.Do("SADD", fmt.Sprintf("%s:%s:%s", r.e.class, item, r.kind), user)
if err != nil {
return err
}
err = r.e.Similars.update(user)
if err != nil {
return err
}
err = r.e.Suggestions.update(user)
if err != nil {
return err
}
return nil
}