136 lines
3.1 KiB
Go
136 lines
3.1 KiB
Go
// pkg/notification/service.go
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package notification
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import (
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"context"
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"fmt"
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"time"
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"forge.lthn.ai/core/go/pkg/core"
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"forge.lthn.ai/core/gui/pkg/dialog"
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)
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// Options configures the notification service.
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//
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// Example:
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//
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// core.WithService(notification.Register(platform))
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type Options struct{}
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// Service manages notifications via Core tasks and queries.
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//
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// Example:
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//
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// svc := ¬ification.Service{}
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type Service struct {
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*core.ServiceRuntime[Options]
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platform Platform
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}
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// Register creates a Core service factory for the notification backend.
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//
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// Example:
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//
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// core.New(core.WithService(notification.Register(platform)))
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func Register(p Platform) func(*core.Core) (any, error) {
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return func(c *core.Core) (any, error) {
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return &Service{
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ServiceRuntime: core.NewServiceRuntime[Options](c, Options{}),
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platform: p,
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}, nil
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}
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}
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// OnStartup registers notification handlers with Core.
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//
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// Example:
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//
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// _ = svc.OnStartup(context.Background())
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func (s *Service) OnStartup(ctx context.Context) error {
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s.Core().RegisterQuery(s.handleQuery)
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s.Core().RegisterTask(s.handleTask)
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return nil
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}
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// HandleIPCEvents satisfies Core's IPC hook.
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func (s *Service) HandleIPCEvents(c *core.Core, msg core.Message) error {
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return nil
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}
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func (s *Service) handleQuery(c *core.Core, q core.Query) (any, bool, error) {
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switch q.(type) {
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case QueryPermission:
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granted, err := s.platform.CheckPermission()
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return PermissionStatus{Granted: granted}, true, err
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default:
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return nil, false, nil
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}
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}
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func (s *Service) handleTask(c *core.Core, t core.Task) (any, bool, error) {
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switch t := t.(type) {
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case TaskSend:
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return nil, true, s.send(t.Opts)
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case TaskRequestPermission:
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granted, err := s.platform.RequestPermission()
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return granted, true, err
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case TaskClear:
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if clr, ok := s.platform.(clearer); ok {
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return nil, true, clr.Clear()
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}
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return nil, true, nil
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default:
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return nil, false, nil
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}
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}
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// send attempts native notification, falls back to dialog via IPC.
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func (s *Service) send(opts NotificationOptions) error {
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// Generate ID if not provided
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if opts.ID == "" {
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opts.ID = fmt.Sprintf("core-%d", time.Now().UnixNano())
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}
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if len(opts.Actions) > 0 {
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if sender, ok := s.platform.(actionSender); ok {
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if err := sender.SendWithActions(opts); err == nil {
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return nil
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}
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}
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}
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if err := s.platform.Send(opts); err != nil {
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// Fallback: show as dialog via IPC
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return s.fallbackDialog(opts)
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}
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return nil
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}
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// fallbackDialog shows a dialog via IPC when native notifications fail.
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func (s *Service) fallbackDialog(opts NotificationOptions) error {
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// Map severity to dialog type
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var dt dialog.DialogType
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switch opts.Severity {
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case SeverityWarning:
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dt = dialog.DialogWarning
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case SeverityError:
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dt = dialog.DialogError
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default:
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dt = dialog.DialogInfo
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}
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msg := opts.Message
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if opts.Subtitle != "" {
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msg = opts.Subtitle + "\n\n" + msg
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}
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_, _, err := s.Core().PERFORM(dialog.TaskMessageDialog{
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Opts: dialog.MessageDialogOptions{
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Type: dt,
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Title: opts.Title,
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Message: msg,
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Buttons: []string{"OK"},
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},
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})
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return err
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}
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