feat: signed releases, release feed, notification (read-only)

internal/infrastructure/useCases/CheckForUpdate.go

@@ -0,0 +1,29 @@
+package useCases
+
+import (
+	"RenewCMS/internal/domain/update"
+	"time"
+)
+
+type CheckForUpdateUseCase struct {
+	feed           update.ReleaseFeed
+	store          update.StatusStore
+	currentVersion string
+	now            func() time.Time
+}
+
+func NewCheckForUpdateUseCase(feed update.ReleaseFeed, store update.StatusStore, currentVersion string, now func() time.Time) *CheckForUpdateUseCase {
+	return &CheckForUpdateUseCase{feed: feed, store: store, currentVersion: currentVersion, now: now}
+}
+
+func (c *CheckForUpdateUseCase) Check() (update.UpdateStatus, error) {
+	release, err := c.feed.Latest()
+	if err != nil {
+		return update.UpdateStatus{}, err
+	}
+	result := update.NewResult(release, c.now())
+	if err := c.store.Save(result); err != nil {
+		return update.UpdateStatus{}, err
+	}
+	return update.NewStatus(c.currentVersion, &result), nil
+}

internal/infrastructure/useCases/GetUpdateStatus.go

@@ -0,0 +1,20 @@
+package useCases
+
+import "RenewCMS/internal/domain/update"
+
+type GetUpdateStatusUseCase struct {
+	store          update.StatusStore
+	currentVersion string
+}
+
+func NewGetUpdateStatusUseCase(store update.StatusStore, currentVersion string) *GetUpdateStatusUseCase {
+	return &GetUpdateStatusUseCase{store: store, currentVersion: currentVersion}
+}
+
+func (g *GetUpdateStatusUseCase) GetStatus() update.UpdateStatus {
+	result, found := g.store.Load()
+	if !found {
+		return update.NewStatus(g.currentVersion, nil)
+	}
+	return update.NewStatus(g.currentVersion, &result)
+}