feat: local cache

pkg/rpccache/conversation.go

@@ -0,0 +1,28 @@
+package rpccache
+
+import (
+	"context"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/cachekey"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/localcache"
+	"github.com/openimsdk/open-im-server/v3/pkg/rpcclient"
+	"github.com/redis/go-redis/v9"
+)
+
+func NewConversationLocalCache(client rpcclient.ConversationRpcClient, cli redis.UniversalClient) *ConversationLocalCache {
+	return &ConversationLocalCache{
+		local:  localcache.New[any](localcache.WithRedisDeleteSubscribe(config.Config.LocalCache.Conversation.Topic, cli)),
+		client: client,
+	}
+}
+
+type ConversationLocalCache struct {
+	local  localcache.Cache[any]
+	client rpcclient.ConversationRpcClient
+}
+
+func (c *ConversationLocalCache) GetConversationIDs(ctx context.Context, ownerUserID string) ([]string, error) {
+	return localcache.AnyValue[[]string](c.local.Get(ctx, cachekey.GetConversationIDsKey(ownerUserID), func(ctx context.Context) (any, error) {
+		return c.client.GetConversationIDs(ctx, ownerUserID)
+	}))
+}