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91 lines
2.2 KiB
91 lines
2.2 KiB
2 years ago
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package cache
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import (
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"Open_IM/pkg/common/db/relation"
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"Open_IM/pkg/common/tracelog"
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"Open_IM/pkg/utils"
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"context"
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"encoding/json"
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"github.com/dtm-labs/rockscache"
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"github.com/go-redis/redis/v8"
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"time"
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)
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const (
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UserExpireTime = time.Second * 60 * 60 * 12
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userInfoKey = "USER_INFO:"
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)
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type UserCache struct {
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userDB *relation.User
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expireTime time.Duration
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redisClient *RedisClient
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rcClient *rockscache.Client
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}
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func NewUserCache(rdb redis.UniversalClient, userDB *relation.User, options rockscache.Options) *UserCache {
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return &UserCache{
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userDB: userDB,
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expireTime: UserExpireTime,
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redisClient: NewRedisClient(rdb),
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rcClient: rockscache.NewClient(rdb, options),
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}
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}
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func (u *UserCache) getUserInfoKey(userID string) string {
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return userInfoKey + userID
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}
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func (u *UserCache) GetUserInfo(ctx context.Context, userID string) (userInfo *relation.User, err error) {
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getUserInfo := func() (string, error) {
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userInfo, err := u.userDB.Take(ctx, userID)
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if err != nil {
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return "", err
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}
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bytes, err := json.Marshal(userInfo)
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if err != nil {
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return "", utils.Wrap(err, "")
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}
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return string(bytes), nil
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}
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defer func() {
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tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "userID", userID, "userInfo", *userInfo)
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}()
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userInfoStr, err := u.rcClient.Fetch(u.getUserInfoKey(userID), time.Second*30*60, getUserInfo)
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if err != nil {
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return nil, err
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}
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userInfo = &relation.User{}
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err = json.Unmarshal([]byte(userInfoStr), userInfo)
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return userInfo, utils.Wrap(err, "")
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}
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func (u *UserCache) GetUsersInfo(ctx context.Context, userIDs []string) ([]*relation.User, error) {
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var users []*relation.User
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for _, userID := range userIDs {
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user, err := GetUserInfoFromCache(ctx, userID)
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if err != nil {
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return nil, err
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}
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users = append(users, user)
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}
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return users, nil
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}
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func (u *UserCache) DelUserInfo(ctx context.Context, userID string) (err error) {
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defer func() {
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tracelog.SetCtxDebug(ctx, utils.GetFuncName(1), err, "userID", userID)
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}()
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return u.rcClient.TagAsDeleted(u.getUserInfoKey(userID) + userID)
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}
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func (u *UserCache) DelUsersInfo(ctx context.Context, userIDs []string) (err error) {
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for _, userID := range userIDs {
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if err := u.DelUserInfo(ctx, userID); err != nil {
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return err
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}
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}
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return nil
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}
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