spacepanel_aggregator/httppoll.go

package spacepanel_aggregator

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"net/http"
	"time"
)

func Poll(url string, led int) {
	for true {
		resp, err := http.Get(url)
		if err != nil {
			ErrorPoll(url, err, led)
		} else {
			data, err := ioutil.ReadAll(resp.Body)
			if err != nil {
				ErrorPoll(url, err, led)
				_ = resp.Body.Close()
			} else {
				_ = resp.Body.Close()

				var parsed V13
				err = json.Unmarshal(data, &parsed)
				if err != nil {
					ErrorPoll(url, err, led)
				} else {
					if parsed.State.Open != nil {
						open := parsed.State.Open.(bool)
						if open {
							SetSpaceState(url, Open)
						} else {
							SetSpaceState(url, Close)
						}
					} else {
						SetSpaceState(url, Unknown)
					}

				}
			}
		}
		time.Sleep(sleeptime)
	}
}

func ErrorPoll(url string, err error, led int) {
	if spacestates[url] != Unknown {
		SetSpaceState(url, Outdated)
	}
	fmt.Println("LED", led, err.Error())
}

func SetSpaceState(url string, s State) {
	lock.Lock()
	spacestates[url] = s
	lock.Unlock()
}