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Open-IM-Server/pkg/localcache/init.go

84 lines
2.1 KiB

// Copyright © 2024 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 localcache
import (
"github.com/openimsdk/open-im-server/v3/pkg/common/config"
"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache/cachekey"
"strings"
"sync"
)
var (
once sync.Once
subscribe map[string][]string
)
func InitLocalCache(localCache *config.LocalCache) {
once.Do(func() {
list := []struct {
Local config.CacheConfig
Keys []string
}{
{
Local: localCache.User,
Keys: []string{cachekey.UserInfoKey, cachekey.UserGlobalRecvMsgOptKey},
},
{
Local: localCache.Group,
Keys: []string{cachekey.GroupMemberIDsKey, cachekey.GroupInfoKey, cachekey.GroupMemberInfoKey},
},
{
Local: localCache.Friend,
Keys: []string{cachekey.FriendIDsKey, cachekey.BlackIDsKey},
},
{
Local: localCache.Conversation,
Keys: []string{cachekey.ConversationKey, cachekey.ConversationIDsKey, cachekey.ConversationNotReceiveMessageUserIDsKey},
},
}
subscribe = make(map[string][]string)
for _, v := range list {
if v.Local.Enable() {
subscribe[v.Local.Topic] = v.Keys
}
}
})
}
func GetPublishKeysByTopic(topics []string, keys []string) map[string][]string {
keysByTopic := make(map[string][]string)
for _, topic := range topics {
keysByTopic[topic] = []string{}
}
for _, key := range keys {
for _, topic := range topics {
prefixes, ok := subscribe[topic]
if !ok {
continue
}
for _, prefix := range prefixes {
if strings.HasPrefix(key, prefix) {
keysByTopic[topic] = append(keysByTopic[topic], key)
break
}
}
}
}
return keysByTopic
}