| 376 | } |
| 377 | |
| 378 | func saveToCache(cacheFile string, database *Database, etag string) error { |
| 379 | cached := CachedData{ |
| 380 | Database: *database, |
| 381 | LastRefresh: time.Now(), |
| 382 | ETag: etag, |
| 383 | } |
| 384 | |
| 385 | data, err := json.MarshalIndent(cached, "", " ") |
| 386 | if err != nil { |
| 387 | return fmt.Errorf("failed to marshal cached data: %w", err) |
| 388 | } |
| 389 | |
| 390 | if err := os.WriteFile(cacheFile, data, 0o600); err != nil { |
| 391 | return fmt.Errorf("failed to write cache file: %w", err) |
| 392 | } |
| 393 | |
| 394 | return nil |
| 395 | } |
| 396 | |
| 397 | // datePattern matches date suffixes like -20251101, -2024-11-20, etc. |
| 398 | var datePattern = regexp.MustCompile(`-\d{4}-?\d{2}-?\d{2}$`) |