feat: provide the interface required by js sdk (#2664)

* fix: redis support acquisition time

* fix: GetActiveConversation

* feat: jssdk GetConversations, GetActiveConversation

* feat: jssdk GetConversations, GetActiveConversation

* feat: jssdk GetConversations, GetActiveConversation

* feat: jssdk GetConversations, GetActiveConversation

* feat: jssdk GetConversations, GetActiveConversation

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/gorilla/websocket v1.5.1
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 	github.com/mitchellh/mapstructure v1.5.0
-	github.com/openimsdk/protocol v0.0.72-alpha.29
+	github.com/openimsdk/protocol v0.0.72-alpha.30
 	github.com/openimsdk/tools v0.0.50-alpha.12
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/client_golang v1.18.0

go.sum

@@ -319,8 +319,8 @@ github.com/onsi/gomega v1.25.0 h1:Vw7br2PCDYijJHSfBOWhov+8cAnUf8MfMaIOV323l6Y=
 github.com/onsi/gomega v1.25.0/go.mod h1:r+zV744Re+DiYCIPRlYOTxn0YkOLcAnW8k1xXdMPGhM=
 github.com/openimsdk/gomake v0.0.14-alpha.5 h1:VY9c5x515lTfmdhhPjMvR3BBRrRquAUCFsz7t7vbv7Y=
 github.com/openimsdk/gomake v0.0.14-alpha.5/go.mod h1:PndCozNc2IsQIciyn9mvEblYWZwJmAI+06z94EY+csI=
-github.com/openimsdk/protocol v0.0.72-alpha.29 h1:z6Bm57IW/HNxTAJmqYjhVaLRUJLVIK0EH7G7HBzbwdc=
-github.com/openimsdk/protocol v0.0.72-alpha.29/go.mod h1:OZQA9FR55lseYoN2Ql1XAHYKHJGu7OMNkUbuekrKCM8=
+github.com/openimsdk/protocol v0.0.72-alpha.30 h1:LBIqDzD55cSQy3wX8fgSa3blz8+Cv54ae96/qUMINwM=
+github.com/openimsdk/protocol v0.0.72-alpha.30/go.mod h1:OZQA9FR55lseYoN2Ql1XAHYKHJGu7OMNkUbuekrKCM8=
 github.com/openimsdk/tools v0.0.50-alpha.12 h1:rV3BxgqN+F79vZvdoQ+97Eob8ScsRVEM8D+Wrcl23uo=
 github.com/openimsdk/tools v0.0.50-alpha.12/go.mod h1:h1cYmfyaVtgFbKmb1Cfsl8XwUOMTt8ubVUQrdGtsUh4=
 github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=

internal/api/jssdk/jssdk.go

@@ -0,0 +1,204 @@
+package jssdk
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/openimsdk/protocol/conversation"
+	"github.com/openimsdk/protocol/msg"
+	"github.com/openimsdk/protocol/sdkws"
+	"github.com/openimsdk/tools/a2r"
+	"github.com/openimsdk/tools/mcontext"
+	"github.com/openimsdk/tools/utils/datautil"
+	"sort"
+)
+
+const (
+	maxGetActiveConversation     = 500
+	defaultGetActiveConversation = 100
+)
+
+func NewJSSdkApi(msg msg.MsgClient, conv conversation.ConversationClient) *JSSdk {
+	return &JSSdk{
+		msg:  msg,
+		conv: conv,
+	}
+}
+
+type JSSdk struct {
+	msg  msg.MsgClient
+	conv conversation.ConversationClient
+}
+
+func (x *JSSdk) GetActiveConversations(c *gin.Context) {
+	call(c, x.getActiveConversations)
+}
+
+func (x *JSSdk) GetConversations(c *gin.Context) {
+	call(c, x.getConversations)
+}
+
+func (x *JSSdk) getActiveConversations(ctx *gin.Context) (*ConversationsResp, error) {
+	req, err := a2r.ParseRequest[ActiveConversationsReq](ctx)
+	if err != nil {
+		return nil, err
+	}
+	if req.Count <= 0 || req.Count > maxGetActiveConversation {
+		req.Count = defaultGetActiveConversation
+	}
+	opUserID := mcontext.GetOpUserID(ctx)
+	conversationIDs, err := field(ctx, x.conv.GetConversationIDs,
+		&conversation.GetConversationIDsReq{UserID: opUserID}, (*conversation.GetConversationIDsResp).GetConversationIDs)
+	if err != nil {
+		return nil, err
+	}
+	if len(conversationIDs) == 0 {
+		return &ConversationsResp{}, nil
+	}
+	readSeq, err := field(ctx, x.msg.GetHasReadSeqs,
+		&msg.GetHasReadSeqsReq{UserID: opUserID, ConversationIDs: conversationIDs}, (*msg.SeqsInfoResp).GetMaxSeqs)
+	if err != nil {
+		return nil, err
+	}
+	activeConversation, err := field(ctx, x.msg.GetActiveConversation,
+		&msg.GetActiveConversationReq{ConversationIDs: conversationIDs}, (*msg.GetActiveConversationResp).GetConversations)
+	if err != nil {
+		return nil, err
+	}
+	if len(activeConversation) == 0 {
+		return &ConversationsResp{}, nil
+	}
+	sortConversations := sortActiveConversations{
+		Conversation: activeConversation,
+	}
+	if len(activeConversation) > 1 {
+		pinnedConversationIDs, err := field(ctx, x.conv.GetPinnedConversationIDs,
+			&conversation.GetPinnedConversationIDsReq{UserID: opUserID}, (*conversation.GetPinnedConversationIDsResp).GetConversationIDs)
+		if err != nil {
+			return nil, err
+		}
+		sortConversations.PinnedConversationIDs = datautil.SliceSet(pinnedConversationIDs)
+	}
+	sort.Sort(&sortConversations)
+	sortList := sortConversations.Top(req.Count)
+	conversations, err := field(ctx, x.conv.GetConversations,
+		&conversation.GetConversationsReq{
+			OwnerUserID: opUserID,
+			ConversationIDs: datautil.Slice(sortList, func(c *msg.ActiveConversation) string {
+				return c.ConversationID
+			})}, (*conversation.GetConversationsResp).GetConversations)
+	if err != nil {
+		return nil, err
+	}
+	msgs, err := field(ctx, x.msg.GetSeqMessage,
+		&msg.GetSeqMessageReq{
+			UserID: opUserID,
+			Conversations: datautil.Slice(sortList, func(c *msg.ActiveConversation) *msg.ConversationSeqs {
+				return &msg.ConversationSeqs{
+					ConversationID: c.ConversationID,
+					Seqs:           []int64{c.MaxSeq},
+				}
+			}),
+		}, (*msg.GetSeqMessageResp).GetMsgs)
+	if err != nil {
+		return nil, err
+	}
+	conversationMap := datautil.SliceToMap(conversations, func(c *conversation.Conversation) string {
+		return c.ConversationID
+	})
+	resp := make([]ConversationMsg, 0, len(sortList))
+	for _, c := range sortList {
+		conv, ok := conversationMap[c.ConversationID]
+		if !ok {
+			continue
+		}
+		var lastMsg *sdkws.MsgData
+		if msgList, ok := msgs[c.ConversationID]; ok && len(msgList.Msgs) > 0 {
+			lastMsg = msgList.Msgs[0]
+		}
+		resp = append(resp, ConversationMsg{
+			Conversation: conv,
+			LastMsg:      lastMsg,
+			MaxSeq:       c.MaxSeq,
+			ReadSeq:      readSeq[c.ConversationID],
+		})
+	}
+	var unreadCount int64
+	for _, c := range activeConversation {
+		count := c.MaxSeq - readSeq[c.ConversationID]
+		if count > 0 {
+			unreadCount += count
+		}
+	}
+	return &ConversationsResp{
+		Conversations: resp,
+		UnreadCount:   unreadCount,
+	}, nil
+}
+
+func (x *JSSdk) getConversations(ctx *gin.Context) (*ConversationsResp, error) {
+	req, err := a2r.ParseRequest[conversation.GetConversationsReq](ctx)
+	if err != nil {
+		return nil, err
+	}
+	req.OwnerUserID = mcontext.GetOpUserID(ctx)
+	conversations, err := field(ctx, x.conv.GetConversations, req, (*conversation.GetConversationsResp).GetConversations)
+	if err != nil {
+		return nil, err
+	}
+	if len(conversations) == 0 {
+		return &ConversationsResp{}, nil
+	}
+	req.ConversationIDs = datautil.Slice(conversations, func(c *conversation.Conversation) string {
+		return c.ConversationID
+	})
+	maxSeqs, err := field(ctx, x.msg.GetMaxSeqs,
+		&msg.GetMaxSeqsReq{ConversationIDs: req.ConversationIDs}, (*msg.SeqsInfoResp).GetMaxSeqs)
+	if err != nil {
+		return nil, err
+	}
+	readSeqs, err := field(ctx, x.msg.GetHasReadSeqs,
+		&msg.GetHasReadSeqsReq{UserID: req.OwnerUserID, ConversationIDs: req.ConversationIDs}, (*msg.SeqsInfoResp).GetMaxSeqs)
+	if err != nil {
+		return nil, err
+	}
+	conversationSeqs := make([]*msg.ConversationSeqs, 0, len(conversations))
+	for _, c := range conversations {
+		if seq := maxSeqs[c.ConversationID]; seq > 0 {
+			conversationSeqs = append(conversationSeqs, &msg.ConversationSeqs{
+				ConversationID: c.ConversationID,
+				Seqs:           []int64{seq},
+			})
+		}
+	}
+	var msgs map[string]*sdkws.PullMsgs
+	if len(conversationSeqs) > 0 {
+		msgs, err = field(ctx, x.msg.GetSeqMessage,
+			&msg.GetSeqMessageReq{UserID: req.OwnerUserID, Conversations: conversationSeqs}, (*msg.GetSeqMessageResp).GetMsgs)
+		if err != nil {
+			return nil, err
+		}
+	}
+	resp := make([]ConversationMsg, 0, len(conversations))
+	for _, c := range conversations {
+		var lastMsg *sdkws.MsgData
+		if msgList, ok := msgs[c.ConversationID]; ok && len(msgList.Msgs) > 0 {
+			lastMsg = msgList.Msgs[0]
+		}
+		resp = append(resp, ConversationMsg{
+			Conversation: c,
+			LastMsg:      lastMsg,
+			MaxSeq:       maxSeqs[c.ConversationID],
+			ReadSeq:      readSeqs[c.ConversationID],
+		})
+	}
+	var unreadCount int64
+	for conversationID, maxSeq := range maxSeqs {
+		count := maxSeq - readSeqs[conversationID]
+		if count > 0 {
+			unreadCount += count
+		}
+	}
+	return &ConversationsResp{
+		Conversations: resp,
+		UnreadCount:   unreadCount,
+	}, nil
+}

internal/api/jssdk/sort.go

@@ -0,0 +1,33 @@
+package jssdk
+
+import "github.com/openimsdk/protocol/msg"
+
+type sortActiveConversations struct {
+	Conversation          []*msg.ActiveConversation
+	PinnedConversationIDs map[string]struct{}
+}
+
+func (s sortActiveConversations) Top(limit int) []*msg.ActiveConversation {
+	if limit > 0 && len(s.Conversation) > limit {
+		return s.Conversation[:limit]
+	}
+	return s.Conversation
+}
+
+func (s sortActiveConversations) Len() int {
+	return len(s.Conversation)
+}
+
+func (s sortActiveConversations) Less(i, j int) bool {
+	iv, jv := s.Conversation[i], s.Conversation[j]
+	_, ip := s.PinnedConversationIDs[iv.ConversationID]
+	_, jp := s.PinnedConversationIDs[jv.ConversationID]
+	if ip != jp {
+		return ip
+	}
+	return iv.LastTime > jv.LastTime
+}
+
+func (s sortActiveConversations) Swap(i, j int) {
+	s.Conversation[i], s.Conversation[j] = s.Conversation[j], s.Conversation[i]
+}

internal/api/jssdk/stu.go

@@ -0,0 +1,22 @@
+package jssdk
+
+import (
+	"github.com/openimsdk/protocol/conversation"
+	"github.com/openimsdk/protocol/sdkws"
+)
+
+type ActiveConversationsReq struct {
+	Count int `json:"count"`
+}
+
+type ConversationMsg struct {
+	Conversation *conversation.Conversation `json:"conversation"`
+	LastMsg      *sdkws.MsgData             `json:"lastMsg"`
+	MaxSeq       int64                      `json:"maxSeq"`
+	ReadSeq      int64                      `json:"readSeq"`
+}
+
+type ConversationsResp struct {
+	UnreadCount   int64             `json:"unreadCount"`
+	Conversations []ConversationMsg `json:"conversations"`
+}

internal/api/jssdk/tools.go

@@ -0,0 +1,26 @@
+package jssdk
+
+import (
+	"context"
+	"github.com/gin-gonic/gin"
+	"github.com/openimsdk/tools/apiresp"
+	"google.golang.org/grpc"
+)
+
+func field[A, B, C any](ctx context.Context, fn func(ctx context.Context, req *A, opts ...grpc.CallOption) (*B, error), req *A, get func(*B) C) (C, error) {
+	resp, err := fn(ctx, req)
+	if err != nil {
+		var c C
+		return c, err
+	}
+	return get(resp), nil
+}
+
+func call[R any](c *gin.Context, fn func(ctx *gin.Context) (R, error)) {
+	resp, err := fn(c)
+	if err != nil {
+		apiresp.GinError(c, err)
+		return
+	}
+	apiresp.GinSuccess(c, resp)
+}

internal/api/jssdk_test.go

@@ -0,0 +1,37 @@
+package api
+
+import (
+	"github.com/openimsdk/protocol/msg"
+	"sort"
+	"testing"
+)
+
+func TestName(t *testing.T) {
+	val := sortActiveConversations{
+		Conversation: []*msg.ActiveConversation{
+			{
+				ConversationID: "100",
+				LastTime:       100,
+			},
+			{
+				ConversationID: "200",
+				LastTime:       200,
+			},
+			{
+				ConversationID: "300",
+				LastTime:       300,
+			},
+			{
+				ConversationID: "400",
+				LastTime:       400,
+			},
+		},
+		//PinnedConversationIDs: map[string]struct{}{
+		//	"100": {},
+		//	"300": {},
+		//},
+	}
+	sort.Sort(&val)
+	t.Log(val)
+
+}

internal/api/router.go

@@ -2,6 +2,7 @@ package api
 
 import (
 	"fmt"
+	"github.com/openimsdk/open-im-server/v3/internal/api/jssdk"
 
 	"github.com/gin-contrib/gzip"
 
@@ -75,6 +76,7 @@ func newGinRouter(disCov discovery.SvcDiscoveryRegistry, config *Config) *gin.En
 	r.Use(prommetricsGin(), gin.Recovery(), mw.CorsHandler(), mw.GinParseOperationID(), GinParseToken(authRpc))
 	u := NewUserApi(*userRpc)
 	m := NewMessageApi(messageRpc, userRpc, config.Share.IMAdminUserID)
+	j := jssdk.NewJSSdkApi(messageRpc.Client, conversationRpc.Client)
 	userRouterGroup := r.Group("/user")
 	{
 		userRouterGroup.POST("/user_register", u.UserRegister)
@@ -244,6 +246,11 @@ func newGinRouter(disCov discovery.SvcDiscoveryRegistry, config *Config) *gin.En
 		statisticsGroup.POST("/group/create", g.GroupCreateCount)
 		statisticsGroup.POST("/group/active", m.GetActiveGroup)
 	}
+
+	jssdk := r.Group("/jssdk")
+	jssdk.POST("/get_conversations", j.GetConversations)
+	jssdk.POST("/get_active_conversations", j.GetActiveConversations)
+
 	return r
 }
 

internal/rpc/group/group.go

@@ -66,6 +66,11 @@ type groupServer struct {
 	webhookClient         *webhook.Client
 }
 
+func (s *groupServer) GetSpecifiedUserGroupRequestInfo(ctx context.Context, req *pbgroup.GetSpecifiedUserGroupRequestInfoReq) (*pbgroup.GetSpecifiedUserGroupRequestInfoResp, error) {
+	//TODO implement me
+	panic("implement me")
+}
+
 type Config struct {
 	RpcConfig          config.Group
 	RedisConfig        config.Redis

internal/rpc/msg/as_read.go

@@ -55,7 +55,7 @@ func (m *msgServer) GetConversationsHasReadAndMaxSeq(ctx context.Context, req *m
 			conversationMaxSeqMap[conversation.ConversationID] = conversation.MaxSeq
 		}
 	}
-	maxSeqs, err := m.MsgDatabase.GetMaxSeqs(ctx, conversationIDs)
+	maxSeqs, err := m.MsgDatabase.GetMaxSeqsWithTime(ctx, conversationIDs)
 	if err != nil {
 		return nil, err
 	}
@@ -63,7 +63,8 @@ func (m *msgServer) GetConversationsHasReadAndMaxSeq(ctx context.Context, req *m
 	for conversationID, maxSeq := range maxSeqs {
 		resp.Seqs[conversationID] = &msg.Seqs{
 			HasReadSeq: hasReadSeqs[conversationID],
-			MaxSeq:     maxSeq,
+			MaxSeq:     maxSeq.Seq,
+			MaxSeqTime: maxSeq.Time,
 		}
 		if v, ok := conversationMaxSeqMap[conversationID]; ok {
 			resp.Seqs[conversationID].MaxSeq = v

internal/rpc/msg/seq.go

@@ -16,10 +16,10 @@ package msg
 
 import (
 	"context"
+	pbmsg "github.com/openimsdk/protocol/msg"
 	"github.com/openimsdk/tools/errs"
 	"github.com/redis/go-redis/v9"
-
-	pbmsg "github.com/openimsdk/protocol/msg"
+	"sort"
 )
 
 func (m *msgServer) GetConversationMaxSeq(ctx context.Context, req *pbmsg.GetConversationMaxSeqReq) (*pbmsg.GetConversationMaxSeqResp, error) {
@@ -62,3 +62,25 @@ func (m *msgServer) SetUserConversationsMinSeq(ctx context.Context, req *pbmsg.S
 	}
 	return &pbmsg.SetUserConversationsMinSeqResp{}, nil
 }
+
+func (m *msgServer) GetActiveConversation(ctx context.Context, req *pbmsg.GetActiveConversationReq) (*pbmsg.GetActiveConversationResp, error) {
+	res, err := m.MsgDatabase.GetCacheMaxSeqWithTime(ctx, req.ConversationIDs)
+	if err != nil {
+		return nil, err
+	}
+	conversations := make([]*pbmsg.ActiveConversation, 0, len(res))
+	for conversationID, val := range res {
+		conversations = append(conversations, &pbmsg.ActiveConversation{
+			MaxSeq:         val.Seq,
+			LastTime:       val.Time,
+			ConversationID: conversationID,
+		})
+	}
+	if req.Limit > 0 {
+		sort.Sort(activeConversations(conversations))
+		if len(conversations) > int(req.Limit) {
+			conversations = conversations[:req.Limit]
+		}
+	}
+	return &pbmsg.GetActiveConversationResp{Conversations: conversations}, nil
+}

internal/rpc/msg/utils.go

@@ -15,6 +15,7 @@
 package msg
 
 import (
+	"github.com/openimsdk/protocol/msg"
 	"github.com/openimsdk/tools/errs"
 	"github.com/redis/go-redis/v9"
 	"go.mongodb.org/mongo-driver/mongo"
@@ -28,3 +29,63 @@ func IsNotFound(err error) bool {
 		return false
 	}
 }
+
+type activeConversations []*msg.ActiveConversation
+
+func (s activeConversations) Len() int {
+	return len(s)
+}
+
+func (s activeConversations) Less(i, j int) bool {
+	return s[i].LastTime > s[j].LastTime
+}
+
+func (s activeConversations) Swap(i, j int) {
+	s[i], s[j] = s[j], s[i]
+}
+
+//type seqTime struct {
+//	ConversationID string
+//	Seq            int64
+//	Time           int64
+//	Unread         int64
+//	Pinned         bool
+//}
+//
+//func (s seqTime) String() string {
+//	return fmt.Sprintf("<Time_%d,Unread_%d,Pinned_%t>", s.Time, s.Unread, s.Pinned)
+//}
+//
+//type seqTimes []seqTime
+//
+//func (s seqTimes) Len() int {
+//	return len(s)
+//}
+//
+//// Less sticky priority, unread priority, time descending
+//func (s seqTimes) Less(i, j int) bool {
+//	iv, jv := s[i], s[j]
+//	if iv.Pinned && (!jv.Pinned) {
+//		return true
+//	}
+//	if jv.Pinned && (!iv.Pinned) {
+//		return false
+//	}
+//	if iv.Unread > 0 && jv.Unread == 0 {
+//		return true
+//	}
+//	if jv.Unread > 0 && iv.Unread == 0 {
+//		return false
+//	}
+//	return iv.Time > jv.Time
+//}
+//
+//func (s seqTimes) Swap(i, j int) {
+//	s[i], s[j] = s[j], s[i]
+//}
+//
+//type conversationStatus struct {
+//	ConversationID string
+//	Pinned         bool
+//	Recv           bool
+//}

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

@@ -12,6 +12,7 @@ import (
 	"github.com/openimsdk/tools/errs"
 	"github.com/openimsdk/tools/log"
 	"github.com/redis/go-redis/v9"
+	"strconv"
 	"time"
 )
 
@@ -57,6 +58,14 @@ func (s *seqConversationCacheRedis) getSingleMaxSeq(ctx context.Context, convers
 	return map[string]int64{conversationID: seq}, nil
 }
 
+func (s *seqConversationCacheRedis) getSingleMaxSeqWithTime(ctx context.Context, conversationID string) (map[string]database.SeqTime, error) {
+	seq, err := s.GetMaxSeqWithTime(ctx, conversationID)
+	if err != nil {
+		return nil, err
+	}
+	return map[string]database.SeqTime{conversationID: seq}, nil
+}
+
 func (s *seqConversationCacheRedis) batchGetMaxSeq(ctx context.Context, keys []string, keyConversationID map[string]string, seqs map[string]int64) error {
 	result := make([]*redis.StringCmd, len(keys))
 	pipe := s.rdb.Pipeline()
@@ -88,6 +97,46 @@ func (s *seqConversationCacheRedis) batchGetMaxSeq(ctx context.Context, keys []s
 	return nil
 }
 
+func (s *seqConversationCacheRedis) batchGetMaxSeqWithTime(ctx context.Context, keys []string, keyConversationID map[string]string, seqs map[string]database.SeqTime) error {
+	result := make([]*redis.SliceCmd, len(keys))
+	pipe := s.rdb.Pipeline()
+	for i, key := range keys {
+		result[i] = pipe.HMGet(ctx, key, "CURR", "TIME")
+	}
+	if _, err := pipe.Exec(ctx); err != nil && !errors.Is(err, redis.Nil) {
+		return errs.Wrap(err)
+	}
+	var notFoundKey []string
+	for i, r := range result {
+		val, err := r.Result()
+		if len(val) != 2 {
+			return errs.WrapMsg(err, "batchGetMaxSeqWithTime invalid result", "key", keys[i], "res", val)
+		}
+		if val[0] == nil {
+			notFoundKey = append(notFoundKey, keys[i])
+			continue
+		}
+		seq, err := s.parseInt64(val[0])
+		if err != nil {
+			return err
+		}
+		mill, err := s.parseInt64(val[1])
+		if err != nil {
+			return err
+		}
+		seqs[keyConversationID[keys[i]]] = database.SeqTime{Seq: seq, Time: mill}
+	}
+	for _, key := range notFoundKey {
+		conversationID := keyConversationID[key]
+		seq, err := s.GetMaxSeqWithTime(ctx, conversationID)
+		if err != nil {
+			return err
+		}
+		seqs[conversationID] = seq
+	}
+	return nil
+}
+
 func (s *seqConversationCacheRedis) GetMaxSeqs(ctx context.Context, conversationIDs []string) (map[string]int64, error) {
 	switch len(conversationIDs) {
 	case 0:
@@ -121,11 +170,44 @@ func (s *seqConversationCacheRedis) GetMaxSeqs(ctx context.Context, conversation
 	return seqs, nil
 }
 
+func (s *seqConversationCacheRedis) GetMaxSeqsWithTime(ctx context.Context, conversationIDs []string) (map[string]database.SeqTime, error) {
+	switch len(conversationIDs) {
+	case 0:
+		return map[string]database.SeqTime{}, nil
+	case 1:
+		return s.getSingleMaxSeqWithTime(ctx, conversationIDs[0])
+	}
+	keys := make([]string, 0, len(conversationIDs))
+	keyConversationID := make(map[string]string, len(conversationIDs))
+	for _, conversationID := range conversationIDs {
+		key := s.getSeqMallocKey(conversationID)
+		if _, ok := keyConversationID[key]; ok {
+			continue
+		}
+		keys = append(keys, key)
+		keyConversationID[key] = conversationID
+	}
+	if len(keys) == 1 {
+		return s.getSingleMaxSeqWithTime(ctx, conversationIDs[0])
+	}
+	slotKeys, err := groupKeysBySlot(ctx, s.rdb, keys)
+	if err != nil {
+		return nil, err
+	}
+	seqs := make(map[string]database.SeqTime, len(conversationIDs))
+	for _, keys := range slotKeys {
+		if err := s.batchGetMaxSeqWithTime(ctx, keys, keyConversationID, seqs); err != nil {
+			return nil, err
+		}
+	}
+	return seqs, nil
+}
+
 func (s *seqConversationCacheRedis) getSeqMallocKey(conversationID string) string {
 	return cachekey.GetMallocSeqKey(conversationID)
 }
 
-func (s *seqConversationCacheRedis) setSeq(ctx context.Context, key string, owner int64, currSeq int64, lastSeq int64) (int64, error) {
+func (s *seqConversationCacheRedis) setSeq(ctx context.Context, key string, owner int64, currSeq int64, lastSeq int64, mill int64) (int64, error) {
 	if lastSeq < currSeq {
 		return 0, errs.New("lastSeq must be greater than currSeq")
 	}
@@ -138,8 +220,9 @@ local lockValue = ARGV[1]
 local dataSecond = ARGV[2]
 local curr_seq = tonumber(ARGV[3])
 local last_seq = tonumber(ARGV[4])
+local mallocTime = ARGV[5]
 if redis.call("EXISTS", key) == 0 then
-	redis.call("HSET", key, "CURR", curr_seq, "LAST", last_seq)
+	redis.call("HSET", key, "CURR", curr_seq, "LAST", last_seq, "TIME", mallocTime)
 	redis.call("EXPIRE", key, dataSecond)
 	return 1
 end
@@ -147,11 +230,11 @@ if redis.call("HGET", key, "LOCK") ~= lockValue then
 	return 2
 end
 redis.call("HDEL", key, "LOCK")
-redis.call("HSET", key, "CURR", curr_seq, "LAST", last_seq)
+redis.call("HSET", key, "CURR", curr_seq, "LAST", last_seq, "TIME", mallocTime)
 redis.call("EXPIRE", key, dataSecond)
 return 0
 `
-	result, err := s.rdb.Eval(ctx, script, []string{key}, owner, int64(s.dataTime/time.Second), currSeq, lastSeq).Int64()
+	result, err := s.rdb.Eval(ctx, script, []string{key}, owner, int64(s.dataTime/time.Second), currSeq, lastSeq, mill).Int64()
 	if err != nil {
 		return 0, errs.Wrap(err)
 	}
@@ -169,6 +252,7 @@ local key = KEYS[1]
 local size = tonumber(ARGV[1])
 local lockSecond = ARGV[2]
 local dataSecond = ARGV[3]
+local mallocTime = ARGV[4]
 local result = {}
 if redis.call("EXISTS", key) == 0 then
 	local lockValue = math.random(0, 999999999)
@@ -176,6 +260,7 @@ if redis.call("EXISTS", key) == 0 then
 	redis.call("EXPIRE", key, lockSecond)
 	table.insert(result, 1)
 	table.insert(result, lockValue)
+	table.insert(result, mallocTime)
 	return result
 end
 if redis.call("HEXISTS", key, "LOCK") == 1 then
@@ -189,6 +274,12 @@ if size == 0 then
 	table.insert(result, 0)
 	table.insert(result, curr_seq)
 	table.insert(result, last_seq)
+	local setTime = redis.call("HGET", key, "TIME")
+	if setTime then
+		table.insert(result, setTime)	
+	else
+		table.insert(result, 0)
+	end
 	return result
 end
 local max_seq = curr_seq + size
@@ -196,21 +287,25 @@ if max_seq > last_seq then
 	local lockValue = math.random(0, 999999999)
 	redis.call("HSET", key, "LOCK", lockValue)
 	redis.call("HSET", key, "CURR", last_seq)
+	redis.call("HSET", key, "TIME", mallocTime)
 	redis.call("EXPIRE", key, lockSecond)
 	table.insert(result, 3)
 	table.insert(result, curr_seq)
 	table.insert(result, last_seq)
 	table.insert(result, lockValue)
+	table.insert(result, mallocTime)
 	return result
 end
 redis.call("HSET", key, "CURR", max_seq)
+redis.call("HSET", key, "TIME", ARGV[4])
 redis.call("EXPIRE", key, dataSecond)
 table.insert(result, 0)
 table.insert(result, curr_seq)
 table.insert(result, last_seq)
+table.insert(result, mallocTime)
 return result
 `
-	result, err := s.rdb.Eval(ctx, script, []string{key}, size, int64(s.lockTime/time.Second), int64(s.dataTime/time.Second)).Int64Slice()
+	result, err := s.rdb.Eval(ctx, script, []string{key}, size, int64(s.lockTime/time.Second), int64(s.dataTime/time.Second), time.Now().UnixMilli()).Int64Slice()
 	if err != nil {
 		return nil, errs.Wrap(err)
 	}
@@ -228,9 +323,9 @@ func (s *seqConversationCacheRedis) wait(ctx context.Context) error {
 	}
 }
 
-func (s *seqConversationCacheRedis) setSeqRetry(ctx context.Context, key string, owner int64, currSeq int64, lastSeq int64) {
+func (s *seqConversationCacheRedis) setSeqRetry(ctx context.Context, key string, owner int64, currSeq int64, lastSeq int64, mill int64) {
 	for i := 0; i < 10; i++ {
-		state, err := s.setSeq(ctx, key, owner, currSeq, lastSeq)
+		state, err := s.setSeq(ctx, key, owner, currSeq, lastSeq, mill)
 		if err != nil {
 			log.ZError(ctx, "set seq cache failed", err, "key", key, "owner", owner, "currSeq", currSeq, "lastSeq", lastSeq, "count", i+1)
 			if err := s.wait(ctx); err != nil {
@@ -267,60 +362,74 @@ func (s *seqConversationCacheRedis) getMallocSize(conversationID string, size in
 }
 
 func (s *seqConversationCacheRedis) Malloc(ctx context.Context, conversationID string, size int64) (int64, error) {
+	seq, _, err := s.mallocTime(ctx, conversationID, size)
+	return seq, err
+}
+
+func (s *seqConversationCacheRedis) mallocTime(ctx context.Context, conversationID string, size int64) (int64, int64, error) {
 	if size < 0 {
-		return 0, errs.New("size must be greater than 0")
+		return 0, 0, errs.New("size must be greater than 0")
 	}
 	key := s.getSeqMallocKey(conversationID)
 	for i := 0; i < 10; i++ {
 		states, err := s.malloc(ctx, key, size)
 		if err != nil {
-			return 0, err
+			return 0, 0, err
 		}
 		switch states[0] {
 		case 0: // success
-			return states[1], nil
+			return states[1], states[3], nil
 		case 1: // not found
 			mallocSize := s.getMallocSize(conversationID, size)
 			seq, err := s.mgo.Malloc(ctx, conversationID, mallocSize)
 			if err != nil {
-				return 0, err
+				return 0, 0, err
 			}
-			s.setSeqRetry(ctx, key, states[1], seq+size, seq+mallocSize)
-			return seq, nil
+			s.setSeqRetry(ctx, key, states[1], seq+size, seq+mallocSize, states[2])
+			return seq, 0, nil
 		case 2: // locked
 			if err := s.wait(ctx); err != nil {
-				return 0, err
+				return 0, 0, err
 			}
 			continue
 		case 3: // exceeded cache max value
 			currSeq := states[1]
 			lastSeq := states[2]
+			mill := states[4]
 			mallocSize := s.getMallocSize(conversationID, size)
 			seq, err := s.mgo.Malloc(ctx, conversationID, mallocSize)
 			if err != nil {
-				return 0, err
+				return 0, 0, err
 			}
 			if lastSeq == seq {
-				s.setSeqRetry(ctx, key, states[3], currSeq+size, seq+mallocSize)
-				return currSeq, nil
+				s.setSeqRetry(ctx, key, states[3], currSeq+size, seq+mallocSize, mill)
+				return currSeq, states[4], nil
 			} else {
 				log.ZWarn(ctx, "malloc seq not equal cache last seq", nil, "conversationID", conversationID, "currSeq", currSeq, "lastSeq", lastSeq, "mallocSeq", seq)
-				s.setSeqRetry(ctx, key, states[3], seq+size, seq+mallocSize)
-				return seq, nil
+				s.setSeqRetry(ctx, key, states[3], seq+size, seq+mallocSize, mill)
+				return seq, mill, nil
 			}
 		default:
 			log.ZError(ctx, "malloc seq unknown state", nil, "state", states[0], "conversationID", conversationID, "size", size)
-			return 0, errs.New(fmt.Sprintf("unknown state: %d", states[0]))
+			return 0, 0, errs.New(fmt.Sprintf("unknown state: %d", states[0]))
 		}
 	}
 	log.ZError(ctx, "malloc seq retrying still failed", nil, "conversationID", conversationID, "size", size)
-	return 0, errs.New("malloc seq waiting for lock timeout", "conversationID", conversationID, "size", size)
+	return 0, 0, errs.New("malloc seq waiting for lock timeout", "conversationID", conversationID, "size", size)
 }
 
 func (s *seqConversationCacheRedis) GetMaxSeq(ctx context.Context, conversationID string) (int64, error) {
 	return s.Malloc(ctx, conversationID, 0)
 }
 
+func (s *seqConversationCacheRedis) GetMaxSeqWithTime(ctx context.Context, conversationID string) (database.SeqTime, error) {
+	seq, mill, err := s.mallocTime(ctx, conversationID, 0)
+	if err != nil {
+		return database.SeqTime{}, err
+	}
+	return database.SeqTime{Seq: seq, Time: mill}, nil
+}
+
 func (s *seqConversationCacheRedis) SetMinSeqs(ctx context.Context, seqs map[string]int64) error {
 	keys := make([]string, 0, len(seqs))
 	for conversationID, seq := range seqs {
@@ -331,3 +440,80 @@ func (s *seqConversationCacheRedis) SetMinSeqs(ctx context.Context, seqs map[str
 	}
 	return DeleteCacheBySlot(ctx, s.rocks, keys)
 }
+
+// GetCacheMaxSeqWithTime only get the existing cache, if there is no cache, no cache will be generated
+func (s *seqConversationCacheRedis) GetCacheMaxSeqWithTime(ctx context.Context, conversationIDs []string) (map[string]database.SeqTime, error) {
+	if len(conversationIDs) == 0 {
+		return map[string]database.SeqTime{}, nil
+	}
+	key2conversationID := make(map[string]string)
+	keys := make([]string, 0, len(conversationIDs))
+	for _, conversationID := range conversationIDs {
+		key := s.getSeqMallocKey(conversationID)
+		if _, ok := key2conversationID[key]; ok {
+			continue
+		}
+		key2conversationID[key] = conversationID
+		keys = append(keys, key)
+	}
+	slotKeys, err := groupKeysBySlot(ctx, s.rdb, keys)
+	if err != nil {
+		return nil, err
+	}
+	res := make(map[string]database.SeqTime)
+	for _, keys := range slotKeys {
+		if len(keys) == 0 {
+			continue
+		}
+		pipe := s.rdb.Pipeline()
+		cmds := make([]*redis.SliceCmd, 0, len(keys))
+		for _, key := range keys {
+			cmds = append(cmds, pipe.HMGet(ctx, key, "CURR", "TIME"))
+		}
+		if _, err := pipe.Exec(ctx); err != nil {
+			return nil, errs.Wrap(err)
+		}
+		for i, cmd := range cmds {
+			val, err := cmd.Result()
+			if err != nil {
+				return nil, err
+			}
+			if len(val) != 2 {
+				return nil, errs.WrapMsg(err, "GetCacheMaxSeqWithTime invalid result", "key", keys[i], "res", val)
+			}
+			if val[0] == nil {
+				continue
+			}
+			seq, err := s.parseInt64(val[0])
+			if err != nil {
+				return nil, err
+			}
+			mill, err := s.parseInt64(val[1])
+			if err != nil {
+				return nil, err
+			}
+			conversationID := key2conversationID[keys[i]]
+			res[conversationID] = database.SeqTime{Seq: seq, Time: mill}
+		}
+	}
+	return res, nil
+}
+
+func (s *seqConversationCacheRedis) parseInt64(val any) (int64, error) {
+	switch v := val.(type) {
+	case nil:
+		return 0, nil
+	case int:
+		return int64(v), nil
+	case int64:
+		return v, nil
+	case string:
+		res, err := strconv.ParseInt(v, 10, 64)
+		if err != nil {
+			return 0, errs.WrapMsg(err, "invalid string not int64", "value", v)
+		}
+		return res, nil
+	default:
+		return 0, errs.New("invalid result not int64", "resType", fmt.Sprintf("%T", v), "value", v)
+	}
+}

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

@@ -14,7 +14,7 @@ import (
 )
 
 func newTestSeq() *seqConversationCacheRedis {
-	mgocli, err := mongo.Connect(context.Background(), options.Client().ApplyURI("mongodb://openIM:openIM123@172.16.8.48:37017/openim_v3?maxPoolSize=100").SetConnectTimeout(5*time.Second))
+	mgocli, err := mongo.Connect(context.Background(), options.Client().ApplyURI("mongodb://openIM:openIM123@127.0.0.1:37017/openim_v3?maxPoolSize=100").SetConnectTimeout(5*time.Second))
 	if err != nil {
 		panic(err)
 	}
@@ -23,7 +23,7 @@ func newTestSeq() *seqConversationCacheRedis {
 		panic(err)
 	}
 	opt := &redis.Options{
-		Addr:     "172.16.8.48:16379",
+		Addr:     "127.0.0.1:16379",
 		Password: "openIM123",
 		DB:       1,
 	}
@@ -107,3 +107,37 @@ func TestMinSeq(t *testing.T) {
 	ts := newTestSeq()
 	t.Log(ts.GetMinSeq(context.Background(), "10000000"))
 }
+
+func TestMalloc(t *testing.T) {
+	ts := newTestSeq()
+	t.Log(ts.mallocTime(context.Background(), "10000000", 100))
+}
+
+func TestHMGET(t *testing.T) {
+	ts := newTestSeq()
+	res, err := ts.GetCacheMaxSeqWithTime(context.Background(), []string{"10000000", "123456"})
+	if err != nil {
+		panic(err)
+	}
+	t.Log(res)
+}
+
+func TestGetMaxSeqWithTime(t *testing.T) {
+	ts := newTestSeq()
+	t.Log(ts.GetMaxSeqWithTime(context.Background(), "10000000"))
+}
+
+func TestGetMaxSeqWithTime1(t *testing.T) {
+	ts := newTestSeq()
+	t.Log(ts.GetMaxSeqsWithTime(context.Background(), []string{"10000000", "12345", "111"}))
+}
+
+//
+//func TestHMGET(t *testing.T) {
+//	ts := newTestSeq()
+//	res, err := ts.rdb.HMGet(context.Background(), "MALLOC_SEQ:1", "CURR", "TIME1").Result()
+//	if err != nil {
+//		panic(err)
+//	}
+//	t.Log(res)
+//}

pkg/common/storage/cache/seq_conversation.go

@@ -1,6 +1,9 @@
 package cache
 
-import "context"
+import (
+	"context"
+	"github.com/openimsdk/open-im-server/v3/pkg/common/storage/database"
+)
 
 type SeqConversationCache interface {
 	Malloc(ctx context.Context, conversationID string, size int64) (int64, error)
@@ -9,4 +12,7 @@ type SeqConversationCache interface {
 	GetMinSeq(ctx context.Context, conversationID string) (int64, error)
 	GetMaxSeqs(ctx context.Context, conversationIDs []string) (map[string]int64, error)
 	SetMinSeqs(ctx context.Context, seqs map[string]int64) error
+	GetCacheMaxSeqWithTime(ctx context.Context, conversationIDs []string) (map[string]database.SeqTime, error)
+	GetMaxSeqsWithTime(ctx context.Context, conversationIDs []string) (map[string]database.SeqTime, error)
+	GetMaxSeqWithTime(ctx context.Context, conversationID string) (database.SeqTime, error)
 }

pkg/common/storage/controller/msg.go

@@ -74,6 +74,10 @@ type CommonMsgDatabase interface {
 	GetHasReadSeq(ctx context.Context, userID string, conversationID string) (int64, error)
 	UserSetHasReadSeqs(ctx context.Context, userID string, hasReadSeqs map[string]int64) error
 
+	GetMaxSeqsWithTime(ctx context.Context, conversationIDs []string) (map[string]database.SeqTime, error)
+	GetMaxSeqWithTime(ctx context.Context, conversationID string) (database.SeqTime, error)
+	GetCacheMaxSeqWithTime(ctx context.Context, conversationIDs []string) (map[string]database.SeqTime, error)
+
 	//GetMongoMaxAndMinSeq(ctx context.Context, conversationID string) (minSeqMongo, maxSeqMongo int64, err error)
 	//GetConversationMinMaxSeqInMongoAndCache(ctx context.Context, conversationID string) (minSeqMongo, maxSeqMongo, minSeqCache, maxSeqCache int64, err error)
 	SetSendMsgStatus(ctx context.Context, id string, status int32) error
@@ -866,3 +870,16 @@ func (db *commonMsgDatabase) setMinSeq(ctx context.Context, conversationID strin
 func (db *commonMsgDatabase) GetDocIDs(ctx context.Context) ([]string, error) {
 	return db.msgDocDatabase.GetDocIDs(ctx)
 }
+
+func (db *commonMsgDatabase) GetCacheMaxSeqWithTime(ctx context.Context, conversationIDs []string) (map[string]database.SeqTime, error) {
+	return db.seqConversation.GetCacheMaxSeqWithTime(ctx, conversationIDs)
+}
+
+func (db *commonMsgDatabase) GetMaxSeqWithTime(ctx context.Context, conversationID string) (database.SeqTime, error) {
+	return db.seqConversation.GetMaxSeqWithTime(ctx, conversationID)
+}
+
+func (db *commonMsgDatabase) GetMaxSeqsWithTime(ctx context.Context, conversationIDs []string) (map[string]database.SeqTime, error) {
+	// todo: only the time in the redis cache will be taken, not the message time
+	return db.seqConversation.GetMaxSeqsWithTime(ctx, conversationIDs)
+}

pkg/common/storage/database/seq.go

@@ -2,6 +2,11 @@ package database
 
 import "context"
 
+type SeqTime struct {
+	Seq  int64
+	Time int64
+}
+
 type SeqConversation interface {
 	Malloc(ctx context.Context, conversationID string, size int64) (int64, error)
 	GetMaxSeq(ctx context.Context, conversationID string) (int64, error)