fix: first temperature post request

pkg/temperature/temperature.go

@@ -0,0 +1,50 @@
+package temperature
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"net/http"
+
+	"git.cryptic.systems/fh-trier/go-flucky-server/pkg/types"
+)
+
+func Print(w io.Writer) error {
+
+	t := types.Temperature{
+		TemperatureID:    "1",
+		TemperatureValue: "22.5",
+		TemperatureDate:  "2018-10-15T23:31:28.132417Z",
+		DeviceID:         "510abdfb-3d0d-4248-b0e5-94ee962c2532",
+	}
+
+	err := postTemperature(&t)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func postTemperature(temperature *types.Temperature) error {
+	var buffer bytes.Buffer
+	temperature.EncodeToJSON(&buffer)
+
+	requestURL := fmt.Sprintf("%s://%s%s", "https", "flucky.cryptic.systems", "/temperatures")
+	req, err := http.NewRequest("POST", requestURL, &buffer)
+	if err != nil {
+		return err
+	}
+
+	client := http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode < 200 || resp.StatusCode > 299 {
+		return fmt.Errorf("Invalid HTTP-Statuscode - expected 200, got %d", resp.StatusCode)
+	}
+
+	return nil
+}