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97 lines
2.8 KiB
97 lines
2.8 KiB
// 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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"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/redis/go-redis/v9"
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)
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const (
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blackIDsKey = "BLACK_IDS:"
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blackExpireTime = time.Second * 60 * 60 * 12
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)
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// args fn will exec when no data in msgCache.
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type BlackCache interface {
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// get blackIDs from msgCache
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metaCache
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NewCache() BlackCache
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GetBlackIDs(ctx context.Context, userID string) (blackIDs []string, err error)
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// del user's blackIDs msgCache, exec when a user's black list changed
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DelBlackIDs(ctx context.Context, userID string) BlackCache
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}
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type BlackCacheRedis struct {
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metaCache
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expireTime time.Duration
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rcClient *rockscache.Client
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blackDB relationtb.BlackModelInterface
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}
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func NewBlackCacheRedis(rdb redis.UniversalClient, localCache *config.LocalCache, blackDB relationtb.BlackModelInterface, options rockscache.Options) BlackCache {
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rcClient := rockscache.NewClient(rdb, options)
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mc := NewMetaCacheRedis(rcClient)
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b := localCache.Friend
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log.ZDebug(context.Background(), "black local cache init", "Topic", b.Topic, "SlotNum", b.SlotNum, "SlotSize", b.SlotSize, "enable", b.Enable())
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mc.SetTopic(b.Topic)
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mc.SetRawRedisClient(rdb)
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return &BlackCacheRedis{
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expireTime: blackExpireTime,
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rcClient: rcClient,
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metaCache: mc,
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blackDB: blackDB,
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}
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}
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func (b *BlackCacheRedis) NewCache() BlackCache {
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return &BlackCacheRedis{
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expireTime: b.expireTime,
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rcClient: b.rcClient,
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blackDB: b.blackDB,
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metaCache: b.Copy(),
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}
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}
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func (b *BlackCacheRedis) getBlackIDsKey(ownerUserID string) string {
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return cachekey.GetBlackIDsKey(ownerUserID)
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}
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func (b *BlackCacheRedis) GetBlackIDs(ctx context.Context, userID string) (blackIDs []string, err error) {
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return getCache(
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ctx,
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b.rcClient,
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b.getBlackIDsKey(userID),
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b.expireTime,
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func(ctx context.Context) ([]string, error) {
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return b.blackDB.FindBlackUserIDs(ctx, userID)
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},
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)
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}
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func (b *BlackCacheRedis) DelBlackIDs(ctx context.Context, userID string) BlackCache {
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cache := b.NewCache()
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cache.AddKeys(b.getBlackIDsKey(userID))
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return cache
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}
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