Function getAddonRegistryWithFallback

pkg/ddevapp/addons.go:712–755

getAddonRegistryWithFallback retrieves addon data from cache or downloads if stale It respects the UpdateInterval setting from global config

()

// getAddonRegistryWithFallback retrieves addon data from cache or downloads if stale
// It respects the UpdateInterval setting from global config
func getAddonRegistryWithFallback() (*types.AddonData, error) {
	globalconfig.EnsureGlobalConfig()
	globalDir := globalconfig.GetGlobalDdevDir()
	cacheFile := filepath.Join(globalDir, ".addon-data")
	addonStorage := storage.NewAddonFileStorage(cacheFile)

	// Try to read from cache first
	cachedData, err := addonStorage.Read()

	// Check if cache is stale
	cacheIsStale := true
	if err == nil && len(cachedData.Addons) > 0 {
		// Get file modification time to check staleness
		fileInfo, statErr := os.Stat(cacheFile)
		if statErr == nil {
			updateInterval := globalconfig.DdevGlobalConfig.RemoteConfig.UpdateInterval
			if updateInterval == 0 {
				updateInterval = 24 // Default to 24 hours if not set
			}
			staleTime := time.Duration(updateInterval) * time.Hour
			cacheIsStale = fileInfo.ModTime().Add(staleTime).Before(time.Now())
		}
	}

	// If cache is fresh, return it
	if !cacheIsStale {
		return cachedData, nil
	}

	// Cache is stale or missing, try to download fresh data
	freshData, downloadErr := downloadAddonRegistry()
	if downloadErr == nil {
		return freshData, nil
	}

	// Download failed, return cached data if we have it
	if err == nil && len(cachedData.Addons) > 0 {
		// Return stale cache as fallback
		return cachedData, nil
	}

	// Both download and cache failed
	return nil, fmt.Errorf("failed to download add-on registry and no cache available: %w", downloadErr)
}

// downloadAddonRegistry downloads the add-on registry from the configured URL
// and caches it in the global config directory