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Open-IM-Server/pkg/common/storage/cache/redis/friend.go

212 lines
7.5 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 redis
import (
"context"
"time"
"github.com/dtm-labs/rockscache"
"github.com/openimsdk/open-im-server/v3/pkg/common/config"
"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache"
"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache/cachekey"
"github.com/openimsdk/open-im-server/v3/pkg/common/storage/database"
"github.com/openimsdk/open-im-server/v3/pkg/common/storage/model"
"github.com/openimsdk/tools/log"
"github.com/openimsdk/tools/utils/datautil"
"github.com/redis/go-redis/v9"
)
const (
friendExpireTime = time.Second * 60 * 60 * 12
)
// FriendCacheRedis is an implementation of the FriendCache interface using Redis.
type FriendCacheRedis struct {
cache.BatchDeleter
friendDB database.Friend
expireTime time.Duration
rcClient *rockscache.Client
syncCount int
}
// NewFriendCacheRedis creates a new instance of FriendCacheRedis.
func NewFriendCacheRedis(rdb redis.UniversalClient, localCache *config.LocalCache, friendDB database.Friend,
options *rockscache.Options) cache.FriendCache {
batchHandler := NewBatchDeleterRedis(rdb, options, []string{localCache.Friend.Topic})
f := localCache.Friend
log.ZDebug(context.Background(), "friend local cache init", "Topic", f.Topic, "SlotNum", f.SlotNum, "SlotSize", f.SlotSize, "enable", f.Enable())
return &FriendCacheRedis{
BatchDeleter: batchHandler,
friendDB: friendDB,
expireTime: friendExpireTime,
rcClient: rockscache.NewClient(rdb, *options),
}
}
func (f *FriendCacheRedis) CloneFriendCache() cache.FriendCache {
return &FriendCacheRedis{
BatchDeleter: f.BatchDeleter.Clone(),
friendDB: f.friendDB,
expireTime: f.expireTime,
rcClient: f.rcClient,
}
}
// getFriendIDsKey returns the key for storing friend IDs in the cache.
func (f *FriendCacheRedis) getFriendIDsKey(ownerUserID string) string {
return cachekey.GetFriendIDsKey(ownerUserID)
}
//func (f *FriendCacheRedis) getFriendSyncSortUserIDsKey(ownerUserID string) string {
// return cachekey.GetFriendSyncSortUserIDsKey(ownerUserID, f.syncCount)
//}
func (f *FriendCacheRedis) getFriendMaxVersionKey(ownerUserID string) string {
return cachekey.GetFriendMaxVersionKey(ownerUserID)
}
// getTwoWayFriendsIDsKey returns the key for storing two-way friend IDs in the cache.
func (f *FriendCacheRedis) getTwoWayFriendsIDsKey(ownerUserID string) string {
return cachekey.GetTwoWayFriendsIDsKey(ownerUserID)
}
// getFriendKey returns the key for storing friend info in the cache.
func (f *FriendCacheRedis) getFriendKey(ownerUserID, friendUserID string) string {
return cachekey.GetFriendKey(ownerUserID, friendUserID)
}
// GetFriendIDs retrieves friend IDs from the cache or the database if not found.
func (f *FriendCacheRedis) GetFriendIDs(ctx context.Context, ownerUserID string) (friendIDs []string, err error) {
return getCache(ctx, f.rcClient, f.getFriendIDsKey(ownerUserID), f.expireTime, func(ctx context.Context) ([]string, error) {
return f.friendDB.FindFriendUserIDs(ctx, ownerUserID)
})
}
// DelFriendIDs deletes friend IDs from the cache.
func (f *FriendCacheRedis) DelFriendIDs(ownerUserIDs ...string) cache.FriendCache {
newFriendCache := f.CloneFriendCache()
keys := make([]string, 0, len(ownerUserIDs))
for _, userID := range ownerUserIDs {
keys = append(keys, f.getFriendIDsKey(userID))
}
newFriendCache.AddKeys(keys...)
return newFriendCache
}
//func (f *FriendCacheRedis) DelSortFriendUserIDs(ownerUserIDs ...string) cache.FriendCache {
// newGroupCache := f.CloneFriendCache()
// keys := make([]string, 0, len(ownerUserIDs))
// for _, userID := range ownerUserIDs {
// keys = append(keys, f.getFriendSyncSortUserIDsKey(userID))
// }
// newGroupCache.AddKeys(keys...)
// return newGroupCache
//}
// GetTwoWayFriendIDs retrieves two-way friend IDs from the cache.
func (f *FriendCacheRedis) GetTwoWayFriendIDs(ctx context.Context, ownerUserID string) (twoWayFriendIDs []string, err error) {
friendIDs, err := f.GetFriendIDs(ctx, ownerUserID)
if err != nil {
return nil, err
}
for _, friendID := range friendIDs {
friendFriendID, err := f.GetFriendIDs(ctx, friendID)
if err != nil {
return nil, err
}
if datautil.Contain(ownerUserID, friendFriendID...) {
twoWayFriendIDs = append(twoWayFriendIDs, ownerUserID)
}
}
return twoWayFriendIDs, nil
}
// DelTwoWayFriendIDs deletes two-way friend IDs from the cache.
func (f *FriendCacheRedis) DelTwoWayFriendIDs(ctx context.Context, ownerUserID string) cache.FriendCache {
newFriendCache := f.CloneFriendCache()
newFriendCache.AddKeys(f.getTwoWayFriendsIDsKey(ownerUserID))
return newFriendCache
}
// GetFriend retrieves friend info from the cache or the database if not found.
func (f *FriendCacheRedis) GetFriend(ctx context.Context, ownerUserID, friendUserID string) (friend *model.Friend, err error) {
return getCache(ctx, f.rcClient, f.getFriendKey(ownerUserID,
friendUserID), f.expireTime, func(ctx context.Context) (*model.Friend, error) {
return f.friendDB.Take(ctx, ownerUserID, friendUserID)
})
}
// DelFriend deletes friend info from the cache.
func (f *FriendCacheRedis) DelFriend(ownerUserID, friendUserID string) cache.FriendCache {
newFriendCache := f.CloneFriendCache()
newFriendCache.AddKeys(f.getFriendKey(ownerUserID, friendUserID))
return newFriendCache
}
// DelFriends deletes multiple friend infos from the cache.
func (f *FriendCacheRedis) DelFriends(ownerUserID string, friendUserIDs []string) cache.FriendCache {
newFriendCache := f.CloneFriendCache()
for _, friendUserID := range friendUserIDs {
key := f.getFriendKey(ownerUserID, friendUserID)
newFriendCache.AddKeys(key) // Assuming AddKeys marks the keys for deletion
}
return newFriendCache
}
func (f *FriendCacheRedis) DelOwner(friendUserID string, ownerUserIDs []string) cache.FriendCache {
newFriendCache := f.CloneFriendCache()
for _, ownerUserID := range ownerUserIDs {
key := f.getFriendKey(ownerUserID, friendUserID)
newFriendCache.AddKeys(key) // Assuming AddKeys marks the keys for deletion
}
return newFriendCache
}
func (f *FriendCacheRedis) DelMaxFriendVersion(ownerUserIDs ...string) cache.FriendCache {
newFriendCache := f.CloneFriendCache()
for _, ownerUserID := range ownerUserIDs {
key := f.getFriendMaxVersionKey(ownerUserID)
newFriendCache.AddKeys(key) // Assuming AddKeys marks the keys for deletion
}
return newFriendCache
}
//func (f *FriendCacheRedis) FindSortFriendUserIDs(ctx context.Context, ownerUserID string) ([]string, error) {
// userIDs, err := f.GetFriendIDs(ctx, ownerUserID)
// if err != nil {
// return nil, err
// }
// if len(userIDs) > f.syncCount {
// userIDs = userIDs[:f.syncCount]
// }
// return userIDs, nil
//}
func (f *FriendCacheRedis) FindMaxFriendVersion(ctx context.Context, ownerUserID string) (*model.VersionLog, error) {
return getCache(ctx, f.rcClient, f.getFriendMaxVersionKey(ownerUserID), f.expireTime, func(ctx context.Context) (*model.VersionLog, error) {
return f.friendDB.FindIncrVersion(ctx, ownerUserID, 0, 0)
})
}