func (req *ArchiveRequest) GetSmapMessage(thing interface{}) *common.SmapMessage {
var msg = new(common.SmapMessage)
var rdg = new(common.SmapNumberReading)
value := ob.Eval(req.value, thing)
switch t := value.(type) {
case int64:
rdg.Value = float64(t)
case uint64:
rdg.Value = float64(t)
case float64:
rdg.Value = t
}
rdg.Time = req.getTime(thing)
if len(req.uuid) > 0 && req.uuidActual == "" {
req.uuidActual = common.UUID(ob.Eval(req.uuid, thing).(string))
} else if req.uuidActual == "" {
req.uuidActual = common.UUID(req.UUID)
}
msg.UUID = req.uuidActual
msg.Path = req.URI + "/" + req.Value
msg.Readings = []common.Reading{rdg}
if len(req.metadataExpr) > 0 {
msg.Metadata = make(common.Dict)
msg.Properties = new(common.SmapProperties)
if md, ok := ob.Eval(req.metadataExpr, thing).(map[string]interface{}); ok {
for k, v := range md {
val := fmt.Sprintf("%s", v)
if k == "UnitofTime" {
msg.Properties.UnitOfTime, _ = common.ParseUOT(val)
} else if k == "UnitofMeasure" {
msg.Properties.UnitOfMeasure = val
}
msg.Metadata[k] = val
}
}
}
return msg
}
func (req *ArchiveRequest) getTime(thing interface{}) uint64 {
if len(req.time) == 0 {
return uint64(time.Now().UnixNano())
}
timeString, ok := ob.Eval(req.time, thing).(string)
if ok {
parsedTime, err := time.Parse(req.TimeParse, timeString)
if err != nil {
return uint64(time.Now().UnixNano())
}
return uint64(parsedTime.UnixNano())
}
return uint64(time.Now().UnixNano())
}
