refactoring based on pr review

graphite/graphite.go

@@ -3,6 +3,7 @@ package graphite
 import (
 	"errors"
 	"fmt"
+	"math"
 	"strconv"
 	"strings"
 	"time"
@@ -87,21 +88,13 @@ func (p *Parser) Parse(line string) (influxdb.Point, error) {
 	fieldValues[name] = v
 
 	// Parse timestamp.
-	//unixTime, err := strconv.ParseInt(fields[2], 10, 64)
 	unixTime, err := strconv.ParseFloat(fields[2], 64)
 	if err != nil {
 		return influxdb.Point{}, err
 	}
 
-	var timestamp time.Time
 	// Check if we have fractional seconds
-	if float64(int64(unixTime)) != unixTime {
-		nanoseconds := int64((unixTime - float64(int64(unixTime))) * float64(time.Second))
-		seconds := int64(unixTime)
-		timestamp = time.Unix(seconds, nanoseconds)
-	} else {
-		timestamp = time.Unix(int64(unixTime), 0)
-	}
+	timestamp := time.Unix(int64(unixTime), int64((unixTime-math.Floor(unixTime))*float64(time.Second)))
 
 	point := influxdb.Point{
 		Name:      name,