Calculate mileage on odometer order instead of time

server/.gitignore

@@ -12,10 +12,6 @@
 *.out
 *.db
 
-# MS VSCode
-.vscode
-__debug_bin
-
 # Dependency directories (remove the comment below to include it)
 # vendor/
 assets/*

server/service/reportService.go

@@ -1,6 +1,7 @@
 package service
 
 import (
+	"sort"
 	"time"
 
 	"github.com/akhilrex/hammond/db"
@@ -15,6 +16,9 @@ func GetMileageByVehicleId(vehicleId string, since time.Time) (mileage []models.
 
 	fillups := make([]db.Fillup, len(*data))
 	copy(fillups, *data)
+	sort.Slice(fillups, func(i, j int) bool {
+		return fillups[i].OdoReading > fillups[j].OdoReading
+	})
 
 	var mileages []models.MileageModel