fix(pkg/logfile): compression for measured values

pkg/types/measuredValue.go

@@ -5,9 +5,24 @@ import "time"
 type MeasuredValue interface {
 	GetID() string
 	GetCreationDate() *time.Time
+	GetMeasuredValueType() MeasuredValueType
+	GetFromDate() time.Time
+	GetTillDate() time.Time
 	GetSensorID() string
 	GetValue() float64
 	SetCreationDate(date *time.Time)
 	SetTillDate(date time.Time)
 	SetUpdateDate(date *time.Time)
 }
+
+type MeasuredValueType string
+
+const (
+	MeasuredValueTypeHumidity    MeasuredValueType = "humidity"
+	MeasuredValueTypeTemperature MeasuredValueType = "temperature"
+)
+
+var MeasuredValueTypes = []MeasuredValueType{
+	MeasuredValueTypeHumidity,
+	MeasuredValueTypeTemperature,
+}