mirror of
https://github.com/openimsdk/open-im-server.git
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221 lines
7.9 KiB
Go
221 lines
7.9 KiB
Go
// Copyright © 2023 OpenIM. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package cache
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import (
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"context"
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"github.com/openimsdk/open-im-server/v3/pkg/common/db/dataver"
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"time"
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"github.com/dtm-labs/rockscache"
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"github.com/openimsdk/open-im-server/v3/pkg/common/cachekey"
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"github.com/openimsdk/open-im-server/v3/pkg/common/config"
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relationtb "github.com/openimsdk/open-im-server/v3/pkg/common/db/table/relation"
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"github.com/openimsdk/tools/log"
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"github.com/openimsdk/tools/utils/datautil"
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"github.com/redis/go-redis/v9"
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)
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const (
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friendExpireTime = time.Second * 60 * 60 * 12
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// FriendIDsKey = "FRIEND_IDS:"
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// TwoWayFriendsIDsKey = "COMMON_FRIENDS_IDS:"
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// friendKey = "FRIEND_INFO:".
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)
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// FriendCache is an interface for caching friend-related data.
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type FriendCache interface {
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metaCache
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NewCache() FriendCache
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GetFriendIDs(ctx context.Context, ownerUserID string) (friendIDs []string, err error)
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// Called when friendID list changed
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DelFriendIDs(ownerUserID ...string) FriendCache
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DelSortFriendUserIDs(ownerUserIDs ...string) FriendCache
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// Get single friendInfo from the cache
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GetFriend(ctx context.Context, ownerUserID, friendUserID string) (friend *relationtb.FriendModel, err error)
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// Delete friend when friend info changed
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DelFriend(ownerUserID, friendUserID string) FriendCache
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// Delete friends when friends' info changed
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DelFriends(ownerUserID string, friendUserIDs []string) FriendCache
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DelOwner(friendUserID string, ownerUserIDs []string) FriendCache
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FindSortFriendUserIDs(ctx context.Context, ownerUserID string) ([]string, error)
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FindFriendIncrVersion(ctx context.Context, ownerUserID string, version uint, limit int) (*dataver.WriteLog, error)
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}
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// FriendCacheRedis is an implementation of the FriendCache interface using Redis.
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type FriendCacheRedis struct {
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metaCache
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friendDB relationtb.FriendModelInterface
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expireTime time.Duration
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rcClient *rockscache.Client
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syncCount int
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}
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// NewFriendCacheRedis creates a new instance of FriendCacheRedis.
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func NewFriendCacheRedis(rdb redis.UniversalClient, localCache *config.LocalCache, friendDB relationtb.FriendModelInterface,
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options rockscache.Options) FriendCache {
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rcClient := rockscache.NewClient(rdb, options)
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mc := NewMetaCacheRedis(rcClient)
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f := localCache.Friend
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log.ZDebug(context.Background(), "friend local cache init", "Topic", f.Topic, "SlotNum", f.SlotNum, "SlotSize", f.SlotSize, "enable", f.Enable())
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mc.SetTopic(f.Topic)
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mc.SetRawRedisClient(rdb)
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return &FriendCacheRedis{
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metaCache: mc,
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friendDB: friendDB,
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expireTime: friendExpireTime,
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rcClient: rcClient,
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}
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}
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// NewCache creates a new instance of FriendCacheRedis with the same configuration.
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func (f *FriendCacheRedis) NewCache() FriendCache {
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return &FriendCacheRedis{
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rcClient: f.rcClient,
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metaCache: f.Copy(),
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friendDB: f.friendDB,
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expireTime: f.expireTime,
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}
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}
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// getFriendIDsKey returns the key for storing friend IDs in the cache.
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func (f *FriendCacheRedis) getFriendIDsKey(ownerUserID string) string {
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return cachekey.GetFriendIDsKey(ownerUserID)
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}
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func (f *FriendCacheRedis) getFriendSyncSortUserIDsKey(ownerUserID string) string {
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return cachekey.GetFriendSyncSortUserIDsKey(ownerUserID, f.syncCount)
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}
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// getTwoWayFriendsIDsKey returns the key for storing two-way friend IDs in the cache.
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func (f *FriendCacheRedis) getTwoWayFriendsIDsKey(ownerUserID string) string {
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return cachekey.GetTwoWayFriendsIDsKey(ownerUserID)
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}
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// getFriendKey returns the key for storing friend info in the cache.
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func (f *FriendCacheRedis) getFriendKey(ownerUserID, friendUserID string) string {
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return cachekey.GetFriendKey(ownerUserID, friendUserID)
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}
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// GetFriendIDs retrieves friend IDs from the cache or the database if not found.
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func (f *FriendCacheRedis) GetFriendIDs(ctx context.Context, ownerUserID string) (friendIDs []string, err error) {
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return getCache(ctx, f.rcClient, f.getFriendIDsKey(ownerUserID), f.expireTime, func(ctx context.Context) ([]string, error) {
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return f.friendDB.FindFriendUserIDs(ctx, ownerUserID)
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})
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}
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// DelFriendIDs deletes friend IDs from the cache.
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func (f *FriendCacheRedis) DelFriendIDs(ownerUserIDs ...string) FriendCache {
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newGroupCache := f.NewCache()
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keys := make([]string, 0, len(ownerUserIDs))
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for _, userID := range ownerUserIDs {
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keys = append(keys, f.getFriendIDsKey(userID))
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}
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newGroupCache.AddKeys(keys...)
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return newGroupCache
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}
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func (f *FriendCacheRedis) DelSortFriendUserIDs(ownerUserIDs ...string) FriendCache {
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newGroupCache := f.NewCache()
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keys := make([]string, 0, len(ownerUserIDs))
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for _, userID := range ownerUserIDs {
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keys = append(keys, f.getFriendSyncSortUserIDsKey(userID))
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}
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newGroupCache.AddKeys(keys...)
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return newGroupCache
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}
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// GetTwoWayFriendIDs retrieves two-way friend IDs from the cache.
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func (f *FriendCacheRedis) GetTwoWayFriendIDs(ctx context.Context, ownerUserID string) (twoWayFriendIDs []string, err error) {
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friendIDs, err := f.GetFriendIDs(ctx, ownerUserID)
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if err != nil {
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return nil, err
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}
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for _, friendID := range friendIDs {
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friendFriendID, err := f.GetFriendIDs(ctx, friendID)
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if err != nil {
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return nil, err
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}
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if datautil.Contain(ownerUserID, friendFriendID...) {
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twoWayFriendIDs = append(twoWayFriendIDs, ownerUserID)
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}
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}
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return twoWayFriendIDs, nil
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}
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// DelTwoWayFriendIDs deletes two-way friend IDs from the cache.
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func (f *FriendCacheRedis) DelTwoWayFriendIDs(ctx context.Context, ownerUserID string) FriendCache {
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newFriendCache := f.NewCache()
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newFriendCache.AddKeys(f.getTwoWayFriendsIDsKey(ownerUserID))
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return newFriendCache
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}
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// GetFriend retrieves friend info from the cache or the database if not found.
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func (f *FriendCacheRedis) GetFriend(ctx context.Context, ownerUserID, friendUserID string) (friend *relationtb.FriendModel, err error) {
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return getCache(ctx, f.rcClient, f.getFriendKey(ownerUserID,
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friendUserID), f.expireTime, func(ctx context.Context) (*relationtb.FriendModel, error) {
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return f.friendDB.Take(ctx, ownerUserID, friendUserID)
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})
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}
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// DelFriend deletes friend info from the cache.
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func (f *FriendCacheRedis) DelFriend(ownerUserID, friendUserID string) FriendCache {
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newFriendCache := f.NewCache()
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newFriendCache.AddKeys(f.getFriendKey(ownerUserID, friendUserID))
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return newFriendCache
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}
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// DelFriends deletes multiple friend infos from the cache.
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func (f *FriendCacheRedis) DelFriends(ownerUserID string, friendUserIDs []string) FriendCache {
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newFriendCache := f.NewCache()
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for _, friendUserID := range friendUserIDs {
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key := f.getFriendKey(ownerUserID, friendUserID)
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newFriendCache.AddKeys(key) // Assuming AddKeys marks the keys for deletion
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}
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return newFriendCache
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}
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func (f *FriendCacheRedis) DelOwner(friendUserID string, ownerUserIDs []string) FriendCache {
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newFriendCache := f.NewCache()
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for _, ownerUserID := range ownerUserIDs {
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key := f.getFriendKey(ownerUserID, friendUserID)
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newFriendCache.AddKeys(key) // Assuming AddKeys marks the keys for deletion
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}
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return newFriendCache
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}
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func (f *FriendCacheRedis) FindSortFriendUserIDs(ctx context.Context, ownerUserID string) ([]string, error) {
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return getCache(ctx, f.rcClient, f.getFriendSyncSortUserIDsKey(ownerUserID), f.expireTime, func(ctx context.Context) ([]string, error) {
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return f.friendDB.FindOwnerFriendUserIds(ctx, ownerUserID, f.syncCount)
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})
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}
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func (f *FriendCacheRedis) FindFriendIncrVersion(ctx context.Context, ownerUserID string, version uint, limit int) (*dataver.WriteLog, error) {
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return f.friendDB.FindIncrVersion(ctx, ownerUserID, version, limit)
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}
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