Add /api/get-message-answer API

util/time.go

@@ -25,6 +25,20 @@ func GetCurrentTime() string {
 	return tm.Format(time.RFC3339)
 }
 
+func GetCurrentTimeEx(timestamp string) string {
+	tm := time.Now()
+	inputTime, err := time.Parse(time.RFC3339, timestamp)
+	if err != nil {
+		panic(err)
+	}
+
+	if !tm.After(inputTime) {
+		tm = inputTime.Add(1 * time.Millisecond)
+	}
+
+	return tm.Format("2006-01-02T15:04:05.999Z07:00")
+}
+
 func GetCurrentUnixTime() string {
 	return strconv.FormatInt(time.Now().UnixNano(), 10)
 }