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package pushbullet
import (
"errors"
"fmt"
"net/url"
"github.com/nicholas-fedor/shoutrrr/pkg/format"
"github.com/nicholas-fedor/shoutrrr/pkg/services/standard"
"github.com/nicholas-fedor/shoutrrr/pkg/types"
"github.com/nicholas-fedor/shoutrrr/pkg/util/jsonclient"
)
// Constants.
const (
pushesEndpoint = "https://api.pushbullet.com/v2/pushes"
)
// Static errors for push validation.
var (
ErrUnexpectedResponseType = errors.New("unexpected response type, expected note")
ErrResponseBodyMismatch = errors.New("response body mismatch")
ErrResponseTitleMismatch = errors.New("response title mismatch")
ErrPushNotActive = errors.New("push notification is not active")
)
// Service providing Pushbullet as a notification service.
type Service struct {
standard.Standard
client jsonclient.Client
Config *Config
pkr format.PropKeyResolver
}
// Initialize loads ServiceConfig from configURL and sets logger for this Service.
func (service *Service) Initialize(configURL *url.URL, logger types.StdLogger) error {
service.SetLogger(logger)
service.Config = &Config{
Title: "Shoutrrr notification", // Explicitly set default
}
service.pkr = format.NewPropKeyResolver(service.Config)
if err := service.Config.setURL(&service.pkr, configURL); err != nil {
return err
}
service.client = jsonclient.NewClient()
service.client.Headers().Set("Access-Token", service.Config.Token)
return nil
}
// GetID returns the service identifier.
func (service *Service) GetID() string {
return Scheme
}
// Send a push notification via Pushbullet.
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)
}
for _, target := range config.Targets {
if err := doSend(&config, target, message, service.client); err != nil {
return err
}
}
return nil
}
// doSend sends a push notification to a specific target and validates the response.
func doSend(config *Config, target string, message string, client jsonclient.Client) error {
push := NewNotePush(message, config.Title)
push.SetTarget(target)
response := PushResponse{}
if err := client.Post(pushesEndpoint, push, &response); err != nil {
errorResponse := &ResponseError{}
if client.ErrorResponse(err, errorResponse) {
return fmt.Errorf("API error: %w", errorResponse)
}
return fmt.Errorf("failed to push: %w", err)
}
// Validate response fields
if response.Type != "note" {
return fmt.Errorf("%w: got %s", ErrUnexpectedResponseType, response.Type)
}
if response.Body != message {
return fmt.Errorf(
"%w: got %s, expected %s",
ErrResponseBodyMismatch,
response.Body,
message,
)
}
if response.Title != config.Title {
return fmt.Errorf(
"%w: got %s, expected %s",
ErrResponseTitleMismatch,
response.Title,
config.Title,
)
}
if !response.Active {
return ErrPushNotActive
}
return nil
}
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