Add weather module

src/statusscreen/Config.go

@@ -11,4 +11,8 @@ type Config struct {
 	Clock struct {
 		TimeFormat string
 	}
+	Weather struct {
+		URL          string
+		RefreshDelay int64
+	}
 }

src/statusscreen/Weather.go

@@ -0,0 +1,62 @@
+package statusscreen
+
+import (
+	"io/ioutil"
+	"net/http"
+	"strings"
+	"time"
+)
+
+// Weather is my Weather struct
+type Weather struct {
+	Config       *Config
+	lastResponse string
+	nextRefresh  int64
+}
+
+// GetOutput returns a rendered result of this module
+func (weather *Weather) GetOutput() []string {
+	if weather.nextRefresh <= time.Now().Unix() {
+		myWeather, err := weather.getWeather()
+
+		if err == nil {
+			weather.lastResponse = myWeather
+			weather.nextRefresh = time.Now().Unix() + weather.Config.Weather.RefreshDelay
+		} else {
+			// log.Fatal(err)
+		}
+	}
+
+	return strings.Split(weather.lastResponse, "\n")
+}
+
+func (weather *Weather) getWeather() (string, error) {
+	// Set up http client to fetch weather
+	client := &http.Client{
+		Timeout: time.Second * 5,
+	}
+
+	// Set up request
+	req, err := http.NewRequest("GET", weather.Config.Weather.URL, nil)
+	if err != nil {
+		return "", err
+	}
+
+	// Set curl user agent
+	req.Header.Set("User-Agent", "curl/7.52.1")
+
+	// Do request
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", err
+	}
+
+	defer resp.Body.Close()
+
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return "", err
+	}
+
+	return string(body), nil
+}

status.sample.toml

@@ -6,3 +6,7 @@ APIURL = "https://api.sl.se/api2/realtimedeparturesV4.json?key=%s&siteid=%d&time
 
 [Clock]
 TimeFormat = "15:04:05"
+
+[Weather]
+URL = "http://wttr.in/"
+RefreshDelay = 1800