复制项目

pkg/common/storage/cache/redis/friend.go

@@ -0,0 +1,167 @@
+package redis
+
+import (
+	"context"
+	"time"
+
+	"git.imall.cloud/openim/open-im-server-deploy/pkg/common/config"
+	"git.imall.cloud/openim/open-im-server-deploy/pkg/common/storage/cache"
+	"git.imall.cloud/openim/open-im-server-deploy/pkg/common/storage/cache/cachekey"
+	"git.imall.cloud/openim/open-im-server-deploy/pkg/common/storage/database"
+	"git.imall.cloud/openim/open-im-server-deploy/pkg/common/storage/model"
+	"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   *rocksCacheClient
+	syncCount  int
+}
+
+// NewFriendCacheRedis creates a new instance of FriendCacheRedis.
+func NewFriendCacheRedis(rdb redis.UniversalClient, localCache *config.LocalCache, friendDB database.Friend) cache.FriendCache {
+	rc := newRocksCacheClient(rdb)
+	return &FriendCacheRedis{
+		BatchDeleter: rc.GetBatchDeleter(localCache.Friend.Topic),
+		friendDB:     friendDB,
+		expireTime:   friendExpireTime,
+		rcClient:     rc,
+	}
+}
+
+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) 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
+}
+
+// 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) 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)
+	})
+}