feat: correct concurrecy in friend module.

internal/friend/friend.go

@@ -16,6 +16,7 @@ package friend
 
 import (
  "context"
+ "sync"
 
  "github.com/openimsdk/openim-sdk-core/v3/internal/user"
  "github.com/openimsdk/openim-sdk-core/v3/open_im_sdk_callback"
@@ -53,6 +54,7 @@ type Friend struct {
  requestSendSyncer *syncer.Syncer[*model_struct.LocalFriendRequest, syncer.NoResp, [2]string]
  conversationCh chan common.Cmd2Value
  listenerForService open_im_sdk_callback.OnListenerForService
+ friendSyncMutex sync.Mutex
 }
 
 func (f *Friend) initSyncer() {

internal/friend/notification.go

@@ -33,6 +33,9 @@ func (f *Friend) DoNotification(ctx context.Context, msg *sdkws.MsgData) {
 }
 
 func (f *Friend) doNotification(ctx context.Context, msg *sdkws.MsgData) error {
+ f.friendSyncMutex.Lock()
+ defer f.friendSyncMutex.Unlock()
+
  switch msg.ContentType {
  case constant.FriendApplicationNotification:
  tips := sdkws.FriendApplicationTips{}

internal/friend/sdk.go

@@ -89,6 +89,10 @@ func (f *Friend) AddFriend(ctx context.Context, userIDReqMsg *friend.ApplyToAddF
  if err := util.ApiPost(ctx, constant.AddFriendRouter, userIDReqMsg, nil); err != nil {
  return err
  }
+
+ f.friendSyncMutex.Lock()
+ defer f.friendSyncMutex.Unlock()
+
  return f.SyncAllFriendApplication(ctx)
 }
 
@@ -115,6 +119,9 @@ func (f *Friend) RespondFriendApply(ctx context.Context, req *friend.RespondFrie
  if err := util.ApiPost(ctx, constant.AddFriendResponse, req, nil); err != nil {
  return err
  }
+ f.friendSyncMutex.Lock()
+ defer f.friendSyncMutex.Unlock()
+
  if req.HandleResult == constant.FriendResponseAgree {
  _ = f.IncrSyncFriends(ctx)
  }
@@ -164,9 +171,14 @@ func (f *Friend) DeleteFriend(ctx context.Context, friendUserID string) error {
  if err := util.ApiPost(ctx, constant.DeleteFriendRouter, &friend.DeleteFriendReq{OwnerUserID: f.loginUserID, FriendUserID: friendUserID}, nil); err != nil {
  return err
  }
+
+ f.friendSyncMutex.Lock()
+ defer f.friendSyncMutex.Unlock()
+
  return f.IncrSyncFriends(ctx)
 }
 
+// Full GetFriendList
 func (f *Friend) GetFriendList(ctx context.Context) ([]*server_api_params.FullUserInfo, error) {
  localFriendList, err := f.db.GetAllFriendList(ctx)
  if err != nil {
@@ -329,13 +341,21 @@ func (f *Friend) SetFriendRemark(ctx context.Context, userIDRemark *sdk.SetFrien
  if err := util.ApiPost(ctx, constant.SetFriendRemark, &friend.SetFriendRemarkReq{OwnerUserID: f.loginUserID, FriendUserID: userIDRemark.ToUserID, Remark: userIDRemark.Remark}, nil); err != nil {
  return err
  }
+
+ f.friendSyncMutex.Lock()
+ defer f.friendSyncMutex.Unlock()
+
  return f.IncrSyncFriends(ctx)
 }
 
 func (f *Friend) PinFriends(ctx context.Context, friends *sdk.SetFriendPinParams) error {
  if err := util.ApiPost(ctx, constant.UpdateFriends, &friend.UpdateFriendsReq{OwnerUserID: f.loginUserID, FriendUserIDs: friends.ToUserIDs, IsPinned: friends.IsPinned}, nil); err != nil {
  return err
  }
+
+ f.friendSyncMutex.Lock()
+ defer f.friendSyncMutex.Unlock()
+
  return f.IncrSyncFriends(ctx)
 }
 
@@ -350,6 +370,10 @@ func (f *Friend) RemoveBlack(ctx context.Context, blackUserID string) error {
  if err := util.ApiPost(ctx, constant.RemoveBlackRouter, &friend.RemoveBlackReq{OwnerUserID: f.loginUserID, BlackUserID: blackUserID}, nil); err != nil {
  return err
  }
+
+ f.friendSyncMutex.Lock()
+ defer f.friendSyncMutex.Unlock()
+
  return f.SyncAllBlackList(ctx)
 }