feat: add auto-update functionality

internal/app/app.go

@@ -9,8 +9,10 @@ import (
 	"time"
 
 	"daily-timer/internal/models"
+	"daily-timer/internal/services/updater"
 	"daily-timer/internal/storage"
 	"daily-timer/internal/timer"
+	"daily-timer/internal/version"
 
 	"github.com/wailsapp/wails/v2/pkg/runtime"
 )
@@ -21,12 +23,14 @@ type App struct {
 	timer       *timer.Timer
 	session     *models.MeetingSession
 	currentLogs map[uint]*models.ParticipantLog
+	updater     *updater.Updater
 }
 
 func New(store *storage.Storage) *App {
 	return &App{
 		store:       store,
 		currentLogs: make(map[uint]*models.ParticipantLog),
+		updater:     updater.New(),
 	}
 }
 
@@ -479,3 +483,28 @@ func (a *App) GetSoundsDir() string {
 	_ = os.MkdirAll(soundsDir, 0755)
 	return soundsDir
 }
+
+// Updates
+
+func (a *App) GetVersion() string {
+	return version.Version
+}
+
+func (a *App) CheckForUpdates() (*updater.UpdateInfo, error) {
+	return a.updater.CheckForUpdates()
+}
+
+func (a *App) DownloadAndInstallUpdate() error {
+	err := a.updater.DownloadAndInstall(func(progress float64) {
+		runtime.EventsEmit(a.ctx, "update:progress", progress)
+	})
+	if err != nil {
+		return err
+	}
+	runtime.EventsEmit(a.ctx, "update:complete", true)
+	return nil
+}
+
+func (a *App) RestartApp() error {
+	return a.updater.RestartApp()
+}