cache

// Setup
apiClient := newMockAPIClient(func(w http.ResponseWriter, _ *http.Request) {
	var buf bytes.Buffer
	gzWriter := gzip.NewWriter(&buf)
	if err := writeRulesetTarball(gzWriter); err != nil {
		panic(err)
	}
	_ = gzWriter.Close()
	tarballData := buf.Bytes()

	checksum := CalculateSHA256(tarballData)
	w.Header().Set("scanoss-ruleset-name", "dca")
	w.Header().Set("scanoss-ruleset-version", "latest")
	w.Header().Set("x-checksum-sha256", checksum)
	w.Header().Set("scanoss-ruleset-created-at", time.Now().Format(time.RFC3339))
	w.WriteHeader(http.StatusOK)
	_, _ = w.Write(tarballData)
})

// Create client and manager
tempDir, err := os.MkdirTemp("", "crypto-finder-cache-example")
if err != nil {
	panic(err)
}
defer os.RemoveAll(tempDir)

manager := &Manager{
	apiClient: apiClient,
	cacheDir:  tempDir,
	noCache:   false,
}

// First call - downloads and caches
ctx := context.Background()
path1, _ := manager.GetRulesetPath(ctx, "dca", "latest")
fmt.Printf("First call downloaded to: %s\n", filepath.Base(filepath.Dir(path1)))

// Second call - uses cache
path2, _ := manager.GetRulesetPath(ctx, "dca", "latest")
fmt.Printf("Second call reused cache: %v\n", path1 == path2)

// With no-cache - forces re-download
manager.SetNoCache(true)
path3, _ := manager.GetRulesetPath(ctx, "dca", "latest")
fmt.Printf("No-cache call forced download: %s\n", filepath.Base(filepath.Dir(path3)))

Output:
First call downloaded to: dca
Second call reused cache: true
No-cache call forced download: dca