From 8325f2f3c696d664af0db9d57003120e1f801e24 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B8ren=20Rasmussen?= <sr@jondahl.net>
Date: Thu, 30 Sep 2021 20:36:41 +0200
Subject: [PATCH] Refactor temperature struct

---
 pkg/temperature/ds18b20.go     | 13 +++----------
 pkg/temperature/temperature.go | 13 +++++++++++++
 2 files changed, 16 insertions(+), 10 deletions(-)
 create mode 100644 pkg/temperature/temperature.go

diff --git a/pkg/temperature/ds18b20.go b/pkg/temperature/ds18b20.go
index 3d9c14b..52045a3 100644
--- a/pkg/temperature/ds18b20.go
+++ b/pkg/temperature/ds18b20.go
@@ -13,12 +13,6 @@ import (
 	"github.com/rs/zerolog/log"
 )
 
-type TemperatureReading struct {
-	Sensor string
-	Time   time.Time
-	Value  int64
-}
-
 var (
 	ErrReadSensor = errors.New("Failed to read sensor temperature")
 
@@ -43,7 +37,6 @@ func SetSensors(newSensors []string) {
 }
 
 func Serve(ctx context.Context, wg *sync.WaitGroup) {
-	wg.Add(1)
 	defer wg.Done()
 
 	for {
@@ -83,9 +76,9 @@ func readSensors() {
 			Observe(dur)
 
 		C <- &TemperatureReading{
-			Time:   time.Now(),
-			Sensor: sensor,
-			Value:  t,
+			Time:         time.Now(),
+			Sensor:       sensor,
+			MilliDegrees: t,
 		}
 	}
 }
diff --git a/pkg/temperature/temperature.go b/pkg/temperature/temperature.go
new file mode 100644
index 0000000..d471f2e
--- /dev/null
+++ b/pkg/temperature/temperature.go
@@ -0,0 +1,13 @@
+package temperature
+
+import "time"
+
+type TemperatureReading struct {
+	Sensor       string
+	Time         time.Time
+	MilliDegrees int64
+}
+
+func (t *TemperatureReading) Degrees() float64 {
+	return float64(t.MilliDegrees) / 1000.0
+}