feat: complete IM P0 and P1 reliability work

2026-08-17 13:43:27 +08:00
parent ddf0f7a55e
commit f2c229135b
43 changed files with 4512 additions and 1181 deletions
@@ -0,0 +1,81 @@
+package main
+
+import (
+	"encoding/json"
+	"strconv"
+	"time"
+
+	"github.com/tinode/chat/server/logs"
+	"github.com/tinode/chat/server/store"
+	"github.com/tinode/chat/server/store/types"
+)
+
+// dispatchIMGroupEvents delivers committed outbox events to online topic
+// sessions. Events remain pending when the hub is unavailable or its queue is
+// full, so the next successful group mutation retries them.
+func dispatchIMGroupEvents(tenantID types.TenantID) {
+	if tenantID.IsZero() || globals.hub == nil || store.GroupBusiness == nil {
+		return
+	}
+	now := time.Now().UTC().Round(time.Millisecond)
+	events, err := store.GroupBusiness.ListPendingEvents(tenantID, 100, now)
+	if err != nil {
+		logs.Warn.Printf("group outbox: list tenant=%d: %v", tenantID, err)
+		return
+	}
+	for _, event := range events {
+		members, memberErr := store.Topics.GetUsers(tenantID, event.Topic, &types.QueryOpt{Limit: 1000})
+		if memberErr != nil {
+			logs.Warn.Printf("group outbox: list members event=%s: %v", event.EventID, memberErr)
+			return
+		}
+		for _, member := range members {
+			uid := types.ParseUid(member.User)
+			if uid.IsZero() {
+				if decoded, parseErr := strconv.ParseInt(member.User, 10, 64); parseErr == nil && decoded > 0 {
+					uid = store.EncodeUid(decoded)
+				}
+			}
+			if uid.IsZero() || uid == event.ActorUserID {
+				continue
+			}
+			if err = createIMSystemNotification(tenantID, uid,
+				stableIMEventID(event.EventID, uid.UserId(), "notification"), event.EventType,
+				"群聊动态", event.EventType, types.KVMap{"topic": event.Topic}); err != nil {
+				logs.Warn.Printf("group outbox: create notification event=%s user=%s: %v", event.EventID, uid.UserId(), err)
+				return
+			}
+		}
+		payload := json.RawMessage(event.Payload)
+		if len(payload) == 0 {
+			payload = json.RawMessage(`{}`)
+		}
+		from := ""
+		if !event.ActorUserID.IsZero() {
+			from = event.ActorUserID.UserId()
+		}
+		message := &ServerComMessage{
+			TenantID:  tenantID,
+			RcptTo:    event.Topic,
+			AsUser:    from,
+			Timestamp: event.CreatedAt,
+			Info: &MsgServerInfo{
+				Topic:   event.Topic,
+				From:    from,
+				What:    "group",
+				Event:   event.EventType,
+				Payload: payload,
+			},
+		}
+		select {
+		case globals.hub.routeSrv <- message:
+			if err = store.GroupBusiness.MarkEventDelivered(tenantID, event.EventID, now); err != nil {
+				logs.Warn.Printf("group outbox: mark delivered event=%s: %v", event.EventID, err)
+				return
+			}
+		default:
+			logs.Warn.Printf("group outbox: hub queue full event=%s", event.EventID)
+			return
+		}
+	}
+}