Initial cloud-services repo - gateway service + pkg modules

pkg/dbc/state/helpers.go

@@ -0,0 +1,49 @@
+package state
+
+import (
+	"fmt"
+	"math"
+	"time"
+)
+
+const redisObjectExpire = 604800
+const errInvalidValue = "invalid value %f"
+
+func FloatToBool(input float64) interface{} {
+	return int(input) != 0
+}
+
+func RoundMilli(input float64) interface{} {
+	return math.Round(input*1000) / 1000
+}
+
+func RoundGPS(input float64) interface{} {
+	return math.Round(input*100000) / 100000
+}
+
+func IntCeil(input float64) interface{} {
+	return int(math.Ceil(input))
+}
+
+func IntFloor(input float64) interface{} {
+	return int(math.Floor(input))
+}
+
+func Int(input float64) interface{} {
+	return int(input)
+}
+
+// WHy does this return an array of bytes instead of a string, or a time.Time
+func SerializeTimestampUSec(timestampUSec int) ([]byte, error) {
+	return time.UnixMicro(int64(timestampUSec)).UTC().MarshalJSON()
+}
+
+func GetMappedStrValues(valueMap map[float64]string) func(float64) interface{} {
+	return func(input float64) interface{} {
+		if value, ok := valueMap[input]; ok {
+			return value
+		}
+
+		return fmt.Sprintf(errInvalidValue, input)
+	}
+}