1. /**
  2. * Detects metadata errors with rate limiting for a legacy project.
  3. *
  4. * @param {object} metadata - The metadata object to validate.
  5. * @param {function} validateMetadata - Function to perform detailed metadata validation.
  6. * @param {number} rateLimit - The maximum number of metadata validations allowed per time unit (e.g., 60 seconds).
  7. * @param {number} timeUnit - The time unit for rate limiting (e.g., 60000 for milliseconds).
  8. * @param {function} getRateLimitStatus - Function to retrieve the current rate limit status.
  9. * @returns {Promise<void>} A promise that resolves when validation is complete.
  10. * @throws {Error} If rate limit is exceeded.
  11. */
  12. async function validateMetadataWithRateLimit(metadata, validateMetadata, rateLimit, timeUnit, getRateLimitStatus) {
  13. let requestCount = 0;
  14. let lastReset = Date.now();
  16. async function checkRateLimit() {
  17. const currentStatus = await getRateLimitStatus();
  18. if (currentStatus && currentStatus.remaining === 0) {
  19. throw new Error("Rate limit exceeded.");
  20. }
  21. }
  23. async function processMetadata() {
  24. try {
  25. await checkRateLimit(); // Check rate limit before processing
  27. const validationResult = await validateMetadata(metadata); // Perform validation
  29. if (validationResult.errors && validationResult.errors.length > 0) {
  30. console.error("Metadata validation errors:", validationResult.errors);
  31. // Optionally, log errors to a monitoring system
  32. } else {
  33. console.log("Metadata is valid.");
  34. }
  36. } catch (error) {
  37. console.error("Error validating metadata:", error);
  38. // Handle errors appropriately (e.g., retry, log, alert)
  39. } finally {
  40. requestCount++;
  42. if (requestCount >= rateLimit) {
  43. // Reset rate limit if timeUnit has elapsed
  44. const now = Date.now();
  45. if (now - lastReset >= timeUnit) {
  46. requestCount = 0;
  47. lastReset = now;
  48. console.log("Rate limit reset.");
  49. } else {
  50. throw new Error("Rate limit exceeded.");
  51. }
  52. }
  53. }
  54. }
  56. await processMetadata();
  57. }
  60. export default validateMetadataWithRateLimit;

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