feat(notifications): add Shoutrrr support (#1326)

internal/notification/shoutrrr.go

@@ -0,0 +1,69 @@
+package notification
+
+import (
+	"github.com/autobrr/autobrr/internal/domain"
+
+	"github.com/containrrr/shoutrrr"
+	"github.com/rs/zerolog"
+)
+
+type shoutrrrSender struct {
+	log      zerolog.Logger
+	Settings domain.Notification
+	builder  NotificationBuilderPlainText
+}
+
+func NewShoutrrrSender(log zerolog.Logger, settings domain.Notification) domain.NotificationSender {
+	return &shoutrrrSender{
+		log:      log.With().Str("sender", "shoutrrr").Logger(),
+		Settings: settings,
+		builder:  NotificationBuilderPlainText{},
+	}
+}
+
+func (s *shoutrrrSender) Send(event domain.NotificationEvent, payload domain.NotificationPayload) error {
+	message := s.builder.BuildBody(payload)
+
+	if err := shoutrrr.Send(s.Settings.Host, message); err != nil {
+		return err
+	}
+
+	s.log.Debug().Msg("notification successfully sent to via shoutrrr")
+
+	return nil
+}
+
+func (s *shoutrrrSender) CanSend(event domain.NotificationEvent) bool {
+	if s.isEnabled() && s.isEnabledEvent(event) {
+		return true
+	}
+	return false
+}
+
+func (s *shoutrrrSender) isEnabled() bool {
+	if s.Settings.Enabled {
+		if s.Settings.Host == "" {
+			s.log.Warn().Msg("shoutrrr missing host")
+			return false
+		}
+
+		if s.Settings.Token == "" {
+			s.log.Warn().Msg("shoutrrr missing application token")
+			return false
+		}
+
+		return true
+	}
+
+	return false
+}
+
+func (s *shoutrrrSender) isEnabledEvent(event domain.NotificationEvent) bool {
+	for _, e := range s.Settings.Events {
+		if e == string(event) {
+			return true
+		}
+	}
+
+	return false
+}