From 966cac280f462f0a8dcdb0b6cc892eb3248531f7 Mon Sep 17 00:00:00 2001
From: Alf Sebastian Houge <git@alfhouge.no>
Date: Sat, 15 Oct 2022 20:17:19 +0200
Subject: [PATCH] Add utils for converting imperial and metric

---
 server/common/utils.go | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/server/common/utils.go b/server/common/utils.go
index 2be238d..ba0bb50 100644
--- a/server/common/utils.go
+++ b/server/common/utils.go
@@ -25,6 +25,33 @@ func RandString(n int) string {
 	return string(b)
 }
 
+// A helper to convert from litres to gallon
+func LitreToGallon(litres float32) float32 {
+	gallonConversionFactor :=  0.21997
+	return litres * float32(gallonConversionFactor);
+}
+
+// A helper to convert from gallon to litres
+func GallonToLitre(gallons float32) float32 {
+	litreConversionFactor :=  3.785412
+	return gallons * float32(litreConversionFactor);
+}
+
+
+// A helper to convert from km to miles
+func KmToMiles(km float32) float32 {
+	kmConversionFactor :=  0.62137119
+	return km * float32(kmConversionFactor);
+}
+
+// A helper to convert from miles to km
+func MilesToKm(miles float32) float32 {
+	milesConversionFactor := 1.609344
+	return miles * float32(milesConversionFactor);
+}
+
+
+
 // A Util function to generate jwt_token which can be used in the request header
 func GenToken(id string, role db.Role) (string, string) {
 	jwt_token := jwt.New(jwt.GetSigningMethod("HS256"))