initial commit

api.go

@@ -0,0 +1,50 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+	"time"
+)
+
+type ResponseData struct {
+	SunsetTime time.Time `json:"sunset"`
+}
+
+func getSunsetData(lat string, lng string) (*ResponseData, error) {
+	u, _ := url.Parse("https://api.sunrise-sunset.org/v2")
+
+	q := u.Query()
+	q.Set("lat", lat)
+	q.Set("lng", lng)
+	q.Set("formatted", "0")
+
+	u.RawQuery = q.Encode()
+
+	URL := u.String()
+
+	r, err := http.Get(URL)
+	if err != nil {
+		return nil, err
+	}
+	defer r.Body.Close()
+
+	if r.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("bad status: %d", r.StatusCode)
+	}
+
+	var apiResponse struct {
+		SunsetTime string `json:"sunset"`
+	}
+
+	if err := json.NewDecoder(r.Body).Decode(&apiResponse); err != nil {
+		return nil, err
+	}
+
+	parsedTime, err := time.Parse(time.RFC3339, apiResponse.SunsetTime)
+	if err != nil {
+		return nil, err
+	}
+	return &ResponseData{SunsetTime: parsedTime}, nil
+}