Implement Centralized Error Response Utility for CDN Service

[parker110-crypto]

Implement Centralized Error Response Utility for CDN Service

Description

Task

Develop a consistent error response mechanism for the CDN file retrieval service

Acceptance Criteria

• Provides a consistent error response mechanism
• Supports multiple error types
• Allows custom error messages
• Includes optional error details
• Follows TypeScript best practices
• Provides clear, informative error responses

Summary of Work

Overview

This pull request implements a comprehensive, centralized error response utility for the CDN file retrieval service, providing a standardized approach to error handling and reporting.

Key Features

• Centralized error response mechanism
• Strongly typed error handling
• Support for multiple error types
• Consistent error response structure
• Flexible error message customization

Implementation Details

Error Types Enum

• Defines standardized error types:
  • NOT_FOUND
  • UNAUTHORIZED
  • FORBIDDEN
  • BAD_REQUEST
  • INTERNAL_SERVER_ERROR

Error Response Interface

• Structured error response with:
  • HTTP status code
  • Error type
  • Error message
  • Optional error details

Error Response Utility Methods

1. send(): Sends standardized error response
2. notFound(): Generates 404 error response
3. badRequest(): Generates 400 error response
4. forbidden(): Generates 403 error response
5. internalServerError(): Generates 500 error response

Usage Example

// Example of using the error response utility
if (!fileExists) {
  return ErrorResponseUtil.send(
    res, 
    ErrorResponseUtil.notFound('File not found in CDN')
  );
}

Notes

• Error responses are designed to be informative without exposing sensitive system details
• Utility is flexible and can be easily extended
• Supports comprehensive error logging and tracking

Changes Made

• Implemented centralized ErrorResponseUtil class
• Created ErrorType enum for standardized error types
• Added ErrorResponse interface for structured error handling
• Implemented static methods for different error scenarios
• Added comprehensive TypeScript type annotations
• Ensured consistent error response structure

Tests

• Verify error response structure matches interface
• Check status codes for different error types
• Ensure optional details can be added
• Validate error type consistency
• Test custom error message support

Signatures

Staking Key

DnKC6ccCbNTByVMcwf912eVtsqN6bMVGmMYMjxo31SLK: uEGFBwfYLGFBF4u9CGzME6REchAgrSHur9u3gNuaEKTM9KWrMzxhX9jR89huRLVzRo3y8WyLGZL8JaikYs5zjKQ6Q14iuFgVp7zZNRF4eCzkDBC4gGuXVnVk8sLJcf9yLomR3gA9FVirQUvKxey9ZrRVcUafpSKwXSQswZHwieuf476BEVAxJe3jRh8U86dDqKTS8bUpLZ5rbXrXeyGcKTYxegNwSznJobU7dEsRauXMwytnep2WBpXSBGCE7Abu2NyD83jp8gy8S52NZMRvyhZqbjQXGLdsKZ22sdiXsZu11t3hvR9rSBuoo3oUwdqTXrsVKATWuZWYne5n34P2Ke6xP42aeUwGWqskFq4wNKKZkXd17paw4CJzYCSyw5HwZiAcuwv52zc26k72GmS42Ls6Esjaz7d2wBTeTG1ugeY

Public Key

87R2z3PcW3KoJWVc6vXkHuKduiT5EcjFEBzCyohX2GhX: 4ffi2wySAjLGpDkwU8Kc6i4ir7x49Kqj8KVpUfEjJeXfNjsDpDqbaaCZpHiggwGECFw6rTFVkUZCDEheEHHtqw9hvyXcPE7kqbTJBbAmGDt2a8DVJ8NkYehytjqnmHGEnEcPfmdWGbeaPYNeHTG4oyafyB4CDBKK1nFkUNEPQ4tw2TgCQUZ79H9c8h1b3JSafQM5bUGuYMzDtgPVV3F5tvijZPHD4nikW2jovCPiLh7uNr4PZCcdFnpqrJvNXLGdPQwjMZ5Nd8Z3arPV5SLGwRXMafzYpZHNVCW6TfStJvGMbWjsNuTW4adLZLNLsXHTH9gkhZiLLAiPCwFrJfpdiiT7y9VUpJscn7uomcpmRNjRKoWBsdkbbh6Ri7Jj1qCWG7Qh93NhuMpvDf1UKzada9AWXaSieMHGn8jF2F4CjWB6