fix

internal/channel_message.go

@@ -8,6 +8,7 @@ import (
 
 type ChannelMessage struct {
 	ID        int
+	GroupID   int64
 	Message   string
 	Medias    []ChannelMessageMedia
 	PublishAt time.Time
@@ -22,6 +23,11 @@ func NewChannelMessage(id, ts int) *ChannelMessage {
 	return &ChannelMessage{ID: id, PublishAt: time.Unix(int64(ts), 0)}
 }
 
+func (c *ChannelMessage) WithGroupID(groupID int64) *ChannelMessage {
+	c.GroupID = groupID
+	return c
+}
+
 func (c *ChannelMessage) WithMessage(message string) *ChannelMessage {
 	c.Message = message
 	return c