fix: temperature, sensor

changes:
- sensor temperature add
- sensor temperature list
- sensor temperature rm
- temperature get
- temperature log
- temperature push

pkg/sensor/sensor.go

@@ -0,0 +1,14 @@
+package sensor
+
+import (
+	"os"
+	"path/filepath"
+)
+
+func sensorExists(wirePath, sensorID string) bool {
+	sensorPath := filepath.Join(wirePath, sensorID)
+	if _, err := os.Stat(sensorPath); os.IsNotExist(err) {
+		return false
+	}
+	return true
+}

pkg/sensor/temperature.go

@@ -0,0 +1,99 @@
+package sensor
+
+import (
+	"fmt"
+	"io"
+	"path/filepath"
+	"text/tabwriter"
+
+	"git.cryptic.systems/fh-trier/go-flucky/pkg/config"
+	"git.cryptic.systems/fh-trier/go-flucky/pkg/types"
+)
+
+func AddTemperature(sensorID, sensorName, configDir, wirePath string) error {
+
+	// read cnf file
+	cnf, err := config.Read(configDir)
+	if err != nil {
+		return err
+	}
+
+	// check if sensor exists
+	if !sensorExists(wirePath, sensorID) {
+		return fmt.Errorf("Can not find sensor: %v", filepath.Join(wirePath, sensorID))
+	}
+
+	temperatureSensor := &types.WireSensor{
+		ID:       sensorID,
+		Name:     sensorName,
+		WirePath: wirePath,
+	}
+
+	// append sensor to list
+	cnf.TemperatureSensors = append(cnf.TemperatureSensors, temperatureSensor)
+
+	// write cnf file
+	if err := config.Write(cnf, configDir); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func PrintTemperature(w io.Writer, configDir string, quiet bool) error {
+
+	// read cnf file
+	cnf, err := config.Read(configDir)
+	if err != nil {
+		return err
+	}
+
+	// declar tabwriter
+	tw := tabwriter.NewWriter(w, 0, 0, 5, ' ', 0)
+
+	// headline
+	if !quiet {
+		fmt.Fprint(tw, "id\tname\tpath\n")
+	}
+
+	for _, sensor := range cnf.TemperatureSensors {
+		if quiet {
+			fmt.Fprintf(tw, "%v\n", sensor.ID)
+		} else {
+			fmt.Fprintf(tw, "%v\t%v\t%v\n", sensor.ID, sensor.Name, sensor.WirePath)
+		}
+	}
+
+	tw.Flush()
+
+	return nil
+}
+
+func RemoveTemperature(sensorID, configDir string) error {
+
+	// read cnf file
+	cnf, err := config.Read(configDir)
+	if err != nil {
+		return err
+	}
+
+	// remove matching sensor ids
+	var j int
+	for _, sensor := range cnf.TemperatureSensors {
+		if sensor.ID == sensorID {
+			cnf.TemperatureSensors = append(cnf.TemperatureSensors[:j], cnf.TemperatureSensors[j+1:]...)
+			if j > 0 {
+				j = j - 1
+			}
+			continue
+		}
+		j++
+	}
+
+	// write cnf file
+	if err := config.Write(cnf, configDir); err != nil {
+		return err
+	}
+
+	return nil
+}