smon/notification/ntfy.go
2024-05-05 21:06:31 +02:00

84 lines
1.7 KiB
Go

package notification
import (
// External
werr "git.gibonuddevalla.se/go/wrappederror"
// Standard
"bytes"
"encoding/json"
"fmt"
"io"
"log/slog"
"net/http"
)
type NTFY struct {
URL string
Prio int
AcknowledgeURL string
logger *slog.Logger
}
func NewNTFY(config []byte, prio int, ackURL string) (instance *NTFY, err error) {
instance = new(NTFY)
err = json.Unmarshal(config, &instance)
if err != nil {
err = werr.Wrap(err).WithCode("002-0001").WithData(config)
return
}
instance.Prio = prio
instance.AcknowledgeURL = ackURL
return instance, nil
}
func (ntfy *NTFY) SetLogger(l *slog.Logger) {
ntfy.logger = l
}
func (ntfy *NTFY) GetType() string {
return "NTFY"
}
func (ntfy *NTFY) GetPrio() int {
return ntfy.Prio
}
func (ntfy NTFY) Send(problemID int, msg []byte) (err error) {
var req *http.Request
var res *http.Response
req, err = http.NewRequest("POST", ntfy.URL, bytes.NewReader(msg))
if err != nil {
err = werr.Wrap(err).WithCode("002-0002").WithData(ntfy.URL)
return
}
ackURL := fmt.Sprintf("http, OK, %s/notification/ack?problemID=%d", ntfy.AcknowledgeURL, problemID)
req.Header.Add("X-Actions", ackURL)
req.Header.Add("X-Priority", "4") // XXX: should be 5
req.Header.Add("X-Tags", "calendar")
res, err = http.DefaultClient.Do(req)
if err != nil {
err = werr.Wrap(err).WithCode("002-0003")
return
}
body, _ := io.ReadAll(res.Body)
if res.StatusCode != 200 {
err = werr.New("Invalid NTFY response").WithCode("002-0004").WithData(body)
return
}
ntfyResp := struct {
ID string
}{}
err = json.Unmarshal(body, &ntfyResp)
if err != nil {
err = werr.Wrap(err).WithCode("002-0005").WithData(body)
return
}
return
}