func lampActionHandler(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
//check if the lamp exist
lamp, _ := strconv.Atoi(ps.ByName("lamp"))
exist, err := db.LampExists(lamp)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
json.NewEncoder(w).Encode("Database error")
return
}
if !exist {
w.WriteHeader(http.StatusNotFound)
json.NewEncoder(w).Encode("Lamp not found")
return
}
//check if action is okay.
action := ps.ByName("action")
_, ok := actions[action]
if !ok {
w.WriteHeader(http.StatusBadRequest)
json.NewEncoder(w).Encode("Action not accepted. Use on or off.")
return
}
//here we should execute the command to the 433 Mhz controller.
aLamp, _ := db.GetLamp(lamp)
switch action {
case "on":
out, err := exec.Command("/bin/sh", "-c", "/home/david/dev/lamp/./send "+strconv.Itoa(aLamp.Lamp)+" 1").CombinedOutput()
if err != nil {
log.Println(err)
log.Println(string(out))
w.WriteHeader(500)
return
}
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode("Turned on")
case "off":
out, err := exec.Command("/bin/sh", "-c", "/home/david/dev/lamp/./send "+strconv.Itoa(aLamp.Lamp)+" 0").CombinedOutput()
if err != nil {
log.Println(err)
log.Println(string(out))
w.WriteHeader(500)
return
}
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode("Turned off")
default:
w.WriteHeader(http.StatusInternalServerError)
}
}
func lampHandler(w http.ResponseWriter, r *http.Request, ps httprouter.Params) {
w.Header().Set("Content-Type", "application/json; charset=utf-8")
//fetch array of lamps from db.
lamp, _ := strconv.Atoi(ps.ByName("lamp"))
exist, err := db.LampExists(lamp)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
json.NewEncoder(w).Encode("Database error")
return
}
if !exist {
w.WriteHeader(http.StatusNotFound)
json.NewEncoder(w).Encode("Lamp not found")
return
}
aLamp, _ := db.GetLamp(lamp)
w.WriteHeader(http.StatusOK)
json.NewEncoder(w).Encode(aLamp)
}