withchao
11 months ago
parent
ea477fd91f
commit
24a6641145
@ -0,0 +1,109 @@
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package msg
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import (
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"context"
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"fmt"
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"github.com/openimsdk/open-im-server/v3/pkg/common/storage/model"
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"github.com/openimsdk/open-im-server/v3/pkg/msgprocessor"
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"github.com/openimsdk/protocol/constant"
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"github.com/openimsdk/protocol/msg"
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"github.com/openimsdk/protocol/sdkws"
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"github.com/openimsdk/tools/errs"
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"time"
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)
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const StreamDeadlineTime = time.Second * 60 * 10
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func (m *msgServer) handlerStreamMsg(ctx context.Context, msgData *sdkws.MsgData) error {
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now := time.Now()
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val := &model.StreamMsg{
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ClientMsgID: msgData.ClientMsgID,
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ConversationID: msgprocessor.GetConversationIDByMsg(msgData),
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UserID: msgData.SendID,
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CreateTime: now,
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DeadlineTime: now.Add(StreamDeadlineTime),
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}
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return m.StreamMsgDatabase.CreateStreamMsg(ctx, val)
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}
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func (m *msgServer) getStreamMsg(ctx context.Context, clientMsgID string) (*model.StreamMsg, error) {
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res, err := m.StreamMsgDatabase.GetStreamMsg(ctx, clientMsgID)
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if err != nil {
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return nil, err
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}
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if !res.End && res.DeadlineTime.Before(time.Now()) {
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res.End = true
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}
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return res, nil
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}
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func (m *msgServer) AppendStreamMsg(ctx context.Context, req *msg.AppendStreamMsgReq) (*msg.AppendStreamMsgResp, error) {
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res, err := m.getStreamMsg(ctx, req.ClientMsgID)
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if err != nil {
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return nil, err
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}
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if res.End {
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return nil, errs.ErrNoPermission.WrapMsg("stream msg is end")
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}
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if len(res.Packets) < int(req.StartIndex) {
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return nil, errs.ErrNoPermission.WrapMsg("start index is invalid")
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}
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if val := len(res.Packets) - int(req.StartIndex); val > 0 {
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exist := res.Packets[int(req.StartIndex):]
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for i, s := range exist {
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if len(req.Packets) == 0 {
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break
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}
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if s != req.Packets[i] {
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return nil, errs.ErrNoPermission.WrapMsg(fmt.Sprintf("packet %d has been written and is inconsistent", i))
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}
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req.StartIndex++
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req.Packets = req.Packets[1:]
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}
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}
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if len(req.Packets) == 0 && res.End == req.End {
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return &msg.AppendStreamMsgResp{}, nil
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}
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if err := m.StreamMsgDatabase.AppendStreamMsg(ctx, req.ClientMsgID, int(req.StartIndex), req.Packets, req.End); err != nil {
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return nil, err
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}
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conversation, err := m.Conversation.GetConversation(ctx, res.UserID, res.ConversationID)
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if err != nil {
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return nil, err
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}
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tips := &sdkws.StreamMsgTips{
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ClientMsgID: res.ClientMsgID,
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StartIndex: req.StartIndex,
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Packets: req.Packets,
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End: req.End,
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}
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var (
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recvID string
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sessionType int32
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)
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if conversation.GroupID == "" {
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sessionType = constant.SingleChatType
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recvID = conversation.UserID
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} else {
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sessionType = constant.ReadGroupChatType
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recvID = conversation.GroupID
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}
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m.msgNotificationSender.StreamMsgNotification(ctx, res.UserID, recvID, sessionType, tips)
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return &msg.AppendStreamMsgResp{}, nil
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}
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func (m *msgServer) GetStreamMsg(ctx context.Context, req *msg.GetStreamMsgReq) (*msg.GetStreamMsgResp, error) {
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res, err := m.getStreamMsg(ctx, req.ClientMsgID)
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if err != nil {
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return nil, err
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}
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return &msg.GetStreamMsgResp{
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ClientMsgID: res.ClientMsgID,
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ConversationID: res.ConversationID,
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UserID: res.UserID,
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Packets: res.Packets,
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End: res.End,
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CreateTime: res.CreateTime.UnixMilli(),
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DeadlineTime: res.DeadlineTime.UnixMilli(),
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}, nil
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}
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@ -0,0 +1,12 @@
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package controller
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import (
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"context"
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"github.com/openimsdk/open-im-server/v3/pkg/common/storage/model"
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)
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type StreamMsgDatabase interface {
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CreateStreamMsg(ctx context.Context, model *model.StreamMsg) error
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AppendStreamMsg(ctx context.Context, clientMsgID string, startIndex int, packets []string, end bool) error
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GetStreamMsg(ctx context.Context, clientMsgID string) (*model.StreamMsg, error)
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}
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@ -0,0 +1,21 @@
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package model
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import (
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"time"
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)
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const (
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StreamMsgStatusWait = 0
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StreamMsgStatusDone = 1
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StreamMsgStatusFail = 2
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)
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type StreamMsg struct {
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ClientMsgID string `bson:"client_msg_id"`
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ConversationID string `bson:"conversation_id"`
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UserID string `bson:"user_id"`
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Packets []string `bson:"packets"`
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End bool `bson:"end"`
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CreateTime time.Time `bson:"create_time"`
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DeadlineTime time.Time `bson:"deadline_time"`
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}
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