package jetstream import ( "fmt" "regexp" "time" "github.com/nats-io/nats.go" ) const ( UserID = "user_id" RoomID = "room_id" ) var ( InputRoomEvent = "InputRoomEvent" OutputRoomEvent = "OutputRoomEvent" OutputSendToDeviceEvent = "OutputSendToDeviceEvent" OutputKeyChangeEvent = "OutputKeyChangeEvent" OutputTypingEvent = "OutputTypingEvent" OutputClientData = "OutputClientData" OutputNotificationData = "OutputNotificationData" OutputReceiptEvent = "OutputReceiptEvent" OutputStreamEvent = "OutputStreamEvent" OutputReadUpdate = "OutputReadUpdate" ) var safeCharacters = regexp.MustCompile("[^A-Za-z0-9$]+") func Tokenise(str string) string { return safeCharacters.ReplaceAllString(str, "_") } func InputRoomEventSubj(roomID string) string { return fmt.Sprintf("%s.%s", InputRoomEvent, Tokenise(roomID)) } var streams = []*nats.StreamConfig{ { Name: InputRoomEvent, Retention: nats.InterestPolicy, Storage: nats.FileStorage, }, { Name: OutputRoomEvent, Retention: nats.InterestPolicy, Storage: nats.FileStorage, }, { Name: OutputSendToDeviceEvent, Retention: nats.InterestPolicy, Storage: nats.FileStorage, }, { Name: OutputKeyChangeEvent, Retention: nats.InterestPolicy, Storage: nats.FileStorage, }, { Name: OutputTypingEvent, Retention: nats.InterestPolicy, Storage: nats.MemoryStorage, MaxAge: time.Second * 60, }, { Name: OutputClientData, Retention: nats.InterestPolicy, Storage: nats.FileStorage, }, { Name: OutputReceiptEvent, Retention: nats.InterestPolicy, Storage: nats.FileStorage, }, { Name: OutputNotificationData, Retention: nats.InterestPolicy, Storage: nats.FileStorage, }, { Name: OutputStreamEvent, Retention: nats.InterestPolicy, Storage: nats.FileStorage, }, { Name: OutputReadUpdate, Retention: nats.InterestPolicy, Storage: nats.FileStorage, }, }