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package pushover
import (
"context"
"errors"
"fmt"
"net/http"
"net/url"
"strconv"
"strings"
"time"
"github.com/nicholas-fedor/shoutrrr/pkg/format"
"github.com/nicholas-fedor/shoutrrr/pkg/services/standard"
"github.com/nicholas-fedor/shoutrrr/pkg/types"
)
// hookURL is the Pushover API endpoint for sending messages.
const (
hookURL = "https://api.pushover.net/1/messages.json"
contentType = "application/x-www-form-urlencoded"
defaultHTTPTimeout = 10 * time.Second // defaultHTTPTimeout is the default timeout for HTTP requests.
)
// ErrSendFailed indicates a failure in sending the notification to a Pushover device.
var ErrSendFailed = errors.New("failed to send notification to pushover device")
// Service provides the Pushover notification service.
type Service struct {
standard.Standard
Config *Config
pkr format.PropKeyResolver
Client *http.Client
}
// Send delivers a notification message to Pushover.
func (service *Service) Send(message string, params *types.Params) error {
config := service.Config
if err := service.pkr.UpdateConfigFromParams(config, params); err != nil {
return fmt.Errorf("updating config from params: %w", err)
}
device := strings.Join(config.Devices, ",")
if err := service.sendToDevice(device, message, config); err != nil {
return fmt.Errorf("failed to send notifications to pushover devices: %w", err)
}
return nil
}
// sendToDevice sends a notification to a specific Pushover device.
func (service *Service) sendToDevice(device string, message string, config *Config) error {
data := url.Values{}
data.Set("device", device)
data.Set("user", config.User)
data.Set("token", config.Token)
data.Set("message", message)
if len(config.Title) > 0 {
data.Set("title", config.Title)
}
if config.Priority >= -2 && config.Priority <= 1 {
data.Set("priority", strconv.FormatInt(int64(config.Priority), 10))
}
ctx, cancel := context.WithTimeout(context.Background(), defaultHTTPTimeout)
defer cancel()
req, err := http.NewRequestWithContext(
ctx,
http.MethodPost,
hookURL,
strings.NewReader(data.Encode()),
)
if err != nil {
return fmt.Errorf("creating request: %w", err)
}
req.Header.Set("Content-Type", contentType)
res, err := service.Client.Do(req)
if err != nil {
return fmt.Errorf("sending request to Pushover API: %w", err)
}
defer res.Body.Close()
if res.StatusCode != http.StatusOK {
return fmt.Errorf("%w: %q, response status %q", ErrSendFailed, device, res.Status)
}
return nil
}
// 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{}
service.pkr = format.NewPropKeyResolver(service.Config)
service.Client = &http.Client{
Timeout: defaultHTTPTimeout,
}
if err := service.Config.setURL(&service.pkr, configURL); err != nil {
return err
}
return nil
}
// GetID returns the service identifier.
func (service *Service) GetID() string {
return Scheme
}
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