First implementation

cmd/domogeek/domogeek.go

@@ -0,0 +1,69 @@
+package main
+
+import (
+	"domogeek/calendar"
+	"encoding/json"
+	"flag"
+	"fmt"
+	"log"
+	"net/http"
+	"time"
+)
+
+func init() {
+	loc, err := time.LoadLocation("Europe/Paris")
+	if err != nil {
+		log.Fatalf("unable to load time location: %v", err)
+	}
+	cal = calendar.Calendar{loc}
+}
+
+type CalendarDay struct {
+	Day        time.Time `json:"day"`
+	WorkingDay bool      `json:"working_day"`
+	Ferie      bool      `json:"ferie"`
+	Holiday    bool      `json:"holiday"`
+	Weekday    bool      `json:"weekday"`
+}
+
+var cal calendar.Calendar
+
+type CalendarHandler struct{}
+
+func (c *CalendarHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	now := time.Now()
+	cd := CalendarDay{
+		Day:        now,
+		WorkingDay: cal.IsWorkingDay(now),
+		Ferie:      cal.IsHoliday(now),
+		Holiday:    cal.IsHoliday(now),
+		Weekday:    cal.IsWeekDay(now),
+	}
+
+	content, err := json.Marshal(cd)
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		log.Printf("unable to marshall response %v, %v", content, err)
+	} else {
+		_, err = w.Write(content)
+		if err != nil {
+			w.WriteHeader(http.StatusInternalServerError)
+			log.Printf("unable to marshall response %v, :%v", content, err)
+		}
+	}
+}
+
+func main() {
+	var port int
+	var host string
+
+	flag.StringVar(&host, "host", "", "host to listen, default all addresses")
+	flag.IntVar(&port, "port", 8080, "port to listen")
+	flag.Parse()
+
+	addr := fmt.Sprintf("%s:%d", host, port)
+	log.Printf("start server on %s", addr)
+
+	http.Handle("/calendar", &CalendarHandler{})
+	log.Fatal(http.ListenAndServe(addr, nil))
+}