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Open-IM-Server/pkg/common/db/cache/user.go

124 lines
3.9 KiB

// Copyright © 2023 OpenIM. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cache
import (
"context"
"time"
relationTb "github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/table/relation"
"github.com/dtm-labs/rockscache"
"github.com/redis/go-redis/v9"
)
const (
userExpireTime = time.Second * 60 * 60 * 12
userInfoKey = "USER_INFO:"
userGlobalRecvMsgOptKey = "USER_GLOBAL_RECV_MSG_OPT_KEY:"
)
type UserCache interface {
metaCache
NewCache() UserCache
GetUserInfo(ctx context.Context, userID string) (userInfo *relationTb.UserModel, err error)
GetUsersInfo(ctx context.Context, userIDs []string) ([]*relationTb.UserModel, error)
DelUsersInfo(userIDs ...string) UserCache
GetUserGlobalRecvMsgOpt(ctx context.Context, userID string) (opt int, err error)
DelUsersGlobalRecvMsgOpt(userIDs ...string) UserCache
}
type UserCacheRedis struct {
metaCache
userDB relationTb.UserModelInterface
expireTime time.Duration
rcClient *rockscache.Client
}
func NewUserCacheRedis(rdb redis.UniversalClient, userDB relationTb.UserModelInterface, options rockscache.Options) UserCache {
rcClient := rockscache.NewClient(rdb, options)
return &UserCacheRedis{
metaCache: NewMetaCacheRedis(rcClient),
userDB: userDB,
expireTime: userExpireTime,
rcClient: rcClient,
}
}
func (u *UserCacheRedis) NewCache() UserCache {
return &UserCacheRedis{
metaCache: NewMetaCacheRedis(u.rcClient, u.metaCache.GetPreDelKeys()...),
userDB: u.userDB,
expireTime: u.expireTime,
rcClient: u.rcClient,
}
}
func (u *UserCacheRedis) getUserInfoKey(userID string) string {
return userInfoKey + userID
}
func (u *UserCacheRedis) getUserGlobalRecvMsgOptKey(userID string) string {
return userGlobalRecvMsgOptKey + userID
}
func (u *UserCacheRedis) GetUserInfo(ctx context.Context, userID string) (userInfo *relationTb.UserModel, err error) {
return getCache(ctx, u.rcClient, u.getUserInfoKey(userID), u.expireTime, func(ctx context.Context) (*relationTb.UserModel, error) {
return u.userDB.Take(ctx, userID)
})
}
func (u *UserCacheRedis) GetUsersInfo(ctx context.Context, userIDs []string) ([]*relationTb.UserModel, error) {
var keys []string
for _, userID := range userIDs {
keys = append(keys, u.getUserInfoKey(userID))
}
return batchGetCache(ctx, u.rcClient, keys, u.expireTime, func(user *relationTb.UserModel, keys []string) (int, error) {
for i, key := range keys {
if key == u.getUserInfoKey(user.UserID) {
return i, nil
}
}
return 0, errIndex
}, func(ctx context.Context) ([]*relationTb.UserModel, error) {
return u.userDB.Find(ctx, userIDs)
})
}
func (u *UserCacheRedis) DelUsersInfo(userIDs ...string) UserCache {
var keys []string
for _, userID := range userIDs {
keys = append(keys, u.getUserInfoKey(userID))
}
cache := u.NewCache()
cache.AddKeys(keys...)
return cache
}
func (u *UserCacheRedis) GetUserGlobalRecvMsgOpt(ctx context.Context, userID string) (opt int, err error) {
return getCache(ctx, u.rcClient, u.getUserGlobalRecvMsgOptKey(userID), u.expireTime, func(ctx context.Context) (int, error) {
return u.userDB.GetUserGlobalRecvMsgOpt(ctx, userID)
})
}
func (u *UserCacheRedis) DelUsersGlobalRecvMsgOpt(userIDs ...string) UserCache {
var keys []string
for _, userID := range userIDs {
keys = append(keys, u.getUserGlobalRecvMsgOptKey(userID))
}
cache := u.NewCache()
cache.AddKeys(keys...)
return cache
}