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|
package rocketchat
import (
"bytes"
"context"
"errors"
"fmt"
"io"
"net"
"net/http"
"net/url"
"time"
"github.com/nicholas-fedor/shoutrrr/pkg/services/standard"
"github.com/nicholas-fedor/shoutrrr/pkg/types"
)
// defaultHTTPTimeout is the default timeout for HTTP requests.
const defaultHTTPTimeout = 10 * time.Second
// ErrNotificationFailed indicates a failure in sending the notification.
var ErrNotificationFailed = errors.New("notification failed")
// Service sends notifications to a pre-configured Rocket.Chat channel or user.
type Service struct {
standard.Standard
Config *Config
Client *http.Client
}
// Initialize configures the service with a URL and logger.
func (service *Service) Initialize(configURL *url.URL, logger types.StdLogger) error {
service.SetLogger(logger)
service.Config = &Config{}
if service.Client == nil {
service.Client = &http.Client{
Timeout: defaultHTTPTimeout, // Set a default timeout
}
}
if err := service.Config.SetURL(configURL); err != nil {
return err
}
return nil
}
// GetID returns the service identifier.
func (service *Service) GetID() string {
return Scheme
}
// Send delivers a notification message to Rocket.Chat.
func (service *Service) Send(message string, params *types.Params) error {
var res *http.Response
var err error
config := service.Config
apiURL := buildURL(config)
json, _ := CreateJSONPayload(config, message, params)
ctx, cancel := context.WithTimeout(context.Background(), defaultHTTPTimeout)
defer cancel()
req, err := http.NewRequestWithContext(ctx, http.MethodPost, apiURL, bytes.NewReader(json))
if err != nil {
return fmt.Errorf("creating request: %w", err)
}
req.Header.Set("Content-Type", "application/json")
res, err = service.Client.Do(req)
if err != nil {
return fmt.Errorf(
"posting to URL: %w\nHOST: %s\nPORT: %s",
err,
config.Host,
config.Port,
)
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK {
resBody, _ := io.ReadAll(res.Body)
return fmt.Errorf("%w: %d %s", ErrNotificationFailed, res.StatusCode, resBody)
}
return nil
}
// buildURL constructs the API URL for Rocket.Chat based on the Config.
func buildURL(config *Config) string {
base := config.Host
if config.Port != "" {
base = net.JoinHostPort(config.Host, config.Port)
}
return fmt.Sprintf("https://%s/hooks/%s/%s", base, config.TokenA, config.TokenB)
}
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