sco/bot/metar.go

59 lines
1.6 KiB
Go

package bot
//import "github.com/kr/pretty"
import (
"fmt"
"github.com/rs/zerolog/log"
"io/ioutil"
"net/http"
"os"
"regexp"
"time"
)
func (b *Bot) HandleWeatherRequest(channelid string, postid string, message string) {
// we are using a very bare image with no CA cert bundle
// actually if you docker bind mount the ca cert bundle in the right
// place, golang will find it and use it.
//http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
log.Info().Msgf("weather request received: `%s`", message)
r := regexp.MustCompile(`metar\s+([A-Za-z]{4})`)
matches := r.FindStringSubmatch(message)
if len(matches) < 2 {
b.SendMsgToChannel("error, sorry", postid, channelid)
}
loc := matches[1]
token := os.Getenv("METAR_API_TOKEN")
url := fmt.Sprintf("https://avwx.rest/api/metar/%s?options=&airport=true&reporting=true&format=json&onfail=cache", loc)
log.Info().Msgf("calculated url: `%s`", url)
client := http.Client{
Timeout: 5 * time.Second,
}
req, err := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", `Token `+token)
resp, err := client.Do(req)
if err != nil {
b.SendMsgToChannel(fmt.Sprintf("weather fetch error: %s", err), postid, channelid)
return
}
if resp.StatusCode != http.StatusOK {
b.SendMsgToChannel(fmt.Sprintf("weather fetch error: http status %d", resp.StatusCode), postid, channelid)
return
}
data, _ := ioutil.ReadAll(resp.Body)
log.Info().Msgf("weather %s: %s", loc, data)
b.SendMsgToChannel(fmt.Sprintf("weather %s: %s", loc, data), postid, channelid)
}