refactor: temperature

pkg/cli/cli.go

@@ -0,0 +1,73 @@
+package cli
+
+import (
+	"fmt"
+	"io"
+	"text/tabwriter"
+
+	"git.cryptic.systems/fh-trier/go-flucky/pkg/config"
+	"git.cryptic.systems/fh-trier/go-flucky/pkg/types"
+)
+
+func PrintTemperatures(temperatures []*types.Temperature, cnf *config.FluckyConfig, w io.Writer) {
+
+	sensors := []*types.Sensor{}
+
+	// Search after sensors
+	for _, temperature := range temperatures {
+		found := false
+
+		// Search for the sensor that has acquired the measured value
+		for _, sensor := range cnf.Sensors {
+			if sensor.SensorID == temperature.SensorID {
+				sensors = append(sensors, sensor)
+				found = true
+				break
+			}
+		}
+
+		// If it was not found, pass only the sensor with the UUID on
+		if !found {
+			sensor := &types.Sensor{
+				SensorID: temperature.SensorID,
+			}
+			sensors = append(sensors, sensor)
+		}
+	}
+
+	// sort temperature values for every sensor
+	orderedTemperatures := make(map[string][]*types.Temperature)
+	for _, temperature := range temperatures {
+		orderedTemperatures[temperature.SensorID] = append(orderedTemperatures[temperature.SensorID], temperature)
+	}
+
+	// declare tabwriter
+	tw := tabwriter.NewWriter(w, 0, 0, 3, ' ', 0)
+
+	// headlines
+	for _, sensor := range sensors {
+		fmt.Fprintf(tw, "%v\t", sensor.Name())
+	}
+	fmt.Fprintf(tw, "\n")
+
+	// find sensor with maximum temperature values
+	maxLength := 0
+	for _, orderedTemperature := range orderedTemperatures {
+		if len(orderedTemperature) > maxLength {
+			maxLength = len(orderedTemperature)
+		}
+	}
+
+	// body
+	for i := 0; i < maxLength; i++ {
+		for _, sensor := range sensors {
+			if len(orderedTemperatures[sensor.SensorID]) > i {
+				fmt.Fprintf(tw, "%3.3f\t", orderedTemperatures[sensor.SensorID][i].TemperatureValue)
+			} else {
+				fmt.Fprint(tw, "\t")
+			}
+			fmt.Fprint(tw, "\n")
+		}
+	}
+	tw.Flush()
+}