1. <?php
  3. /**
  4. * Teardown process of records for diagnostics.
  5. *
  6. * This function iterates through records and performs necessary cleanup
  7. * or diagnostic actions. It's designed to be flexible and adaptable
  8. * to different record types and database structures.
  9. *
  10. * @param array $records An array of records to process. Each record
  11. * should be an associative array.
  12. * @param string $record_type (optional) A string identifying the record type.
  13. * Used for more specific diagnostics.
  14. * @return bool True on success, false on failure.
  15. */
  16. function teardownRecords(array $records, string $record_type = 'unknown'): bool
  17. {
  18. $success = true; // Flag to track overall success
  20. if (empty($records)) {
  21. return true; // Nothing to do if the array is empty.
  22. }
  24. foreach ($records as $record) {
  25. // Validate record structure (example)
  26. if (!is_array($record)) {
  27. error_log("Error: Invalid record format. Record data: " . print_r($record, true));
  28. $success = false;
  29. continue; // Skip to the next record if invalid.
  30. }
  32. // Perform diagnostics or cleanup actions based on record type
  33. switch ($record_type) {
  34. case 'user':
  35. // Example: Delete user activity logs
  36. if (isset($record['user_id'])) {
  37. deleteUserActivityLogs($record['user_id']);
  38. }
  39. break;
  41. case 'order':
  42. // Example: Log order completion status
  43. logOrderStatus($record['order_id'], 'completed');
  44. break;
  46. case 'product':
  47. // Example: Clear product cache
  48. clearProductCache($record['product_id']);
  49. break;
  51. default:
  52. // Generic cleanup
  53. logRecordTeardown($record, $record_type); // Log that a record was removed
  54. break;
  56. }
  57. }
  59. return $success;
  60. }
  63. /**
  64. * Example function to delete user activity logs.
  65. * @param int $user_id
  66. * @return bool
  67. */
  68. function deleteUserActivityLogs(int $user_id): bool
  69. {
  70. // Database connection and query (replace with your actual connection)
  71. try {
  72. $pdo = new PDO("mysql:host=localhost;dbname=mydatabase", "username", "password");
  73. $stmt = $pdo->prepare("DELETE FROM user_activity_logs WHERE user_id = :user_id");
  74. $stmt->bindParam(':user_id', $user_id, PDO::PARAM_INT);
  75. $stmt->execute();
  76. return true;
  77. } catch (PDOException $e) {
  78. error_log("Error deleting user activity logs: " . $e->getMessage());
  79. return false;
  80. }
  81. }
  85. /**
  86. * Example function to log order completion status.
  87. * @param int $order_id
  88. * @param string $status
  89. * @return bool
  90. */
  91. function logOrderStatus(int $order_id, string $status): bool
  92. {
  93. //Database connection and query (replace with your actual connection)
  94. try {
  95. $pdo = new PDO("mysql:host=localhost;dbname=mydatabase", "username", "password");
  96. $stmt = $pdo->prepare("INSERT INTO order_status (order_id, status, timestamp) VALUES (:order_id, :status, NOW())");
  97. $stmt->bindParam(':order_id', $order_id, PDO::PARAM_INT);
  98. $stmt->bindParam(':status', $status, PDO::PARAM_STR);
  99. $stmt->execute();
  100. return true;
  101. } catch (PDOException $e) {
  102. error_log("Error logging order status: " . $e->getMessage());
  103. return false;
  104. }
  105. }
  107. /**
  108. * Example function to clear product cache.
  109. * @param int $product_id
  110. * @return bool
  111. */
  112. function clearProductCache(int $product_id): bool
  113. {
  114. //Example: Delete from a Redis cache. Adapt as needed.
  115. try {
  116. //Replace with your Redis connection and delete logic.
  117. //Redis::delete('product:' . $product_id);
  118. error_log("Simulating clearing product cache for product id: " . $product_id);
  119. return true;
  120. } catch (Exception $e) {
  121. error_log("Error clearing

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