Add Comprehensive Input Validation Middleware for Review Submissions

[HermanL0201]

Add Comprehensive Input Validation Middleware for Review Submissions

Description

Task

Create middleware to validate review submission data

Acceptance Criteria

• Middleware validates all required review submission fields
• Prevents submission of invalid review data
• Returns descriptive error messages
• Supports optional fields with appropriate validation

Summary of Work

This pull request implements robust input validation middleware for review submissions to ensure data integrity and prevent invalid data from being processed.

Changes Made

• Created comprehensive input validation middleware in src/middleware/validateReviewSubmission.ts
• Implemented validation for the following review submission fields:
  1. productId: Ensures a non-empty string is provided
  2. rating: Validates integer type and range (1-5)
  3. comment: Optional field with length validation (max 500 characters)
  4. title: Optional field with length validation (max 100 characters)

Implementation Details

• Used TypeScript for strong typing
• Created a ReviewSubmission interface to define submission structure
• Implemented detailed validation checks for each field
• Returns appropriate 400 Bad Request responses with descriptive error messages
• Passes validation using Express middleware next() function

Validation Rules

• productId: Required, non-empty string
• rating: Required integer between 1 and 5
• comment: Optional, max 500 characters
• title: Optional, max 100 characters

Testing Approach

• Comprehensive type checking
• Validates input data before processing
• Prevents invalid data from reaching business logic
• Provides clear error messages for client-side validation feedback

Notes

• Middleware can be easily integrated into review submissions routes
• Provides consistent error handling for review submissions

Changes Made

• Created comprehensive input validation for review submissions
• Added type-safe validation middleware
• Implemented detailed error handling for invalid inputs

Tests

• Validate productId is a non-empty string
• Ensure rating is an integer between 1 and 5
• Check optional comment length validation
• Verify optional title length validation

Signatures

Staking Key

DZwmqbbKALnQYMhTLYdYeBBKVNptDMSAKQjaASJ9btgo: YbNjVw6oMQKAjJDkZmUqecovB4giK1mQeVsW2Yh1zSUWdN6e8yWo95ojjQ8M7P7KvHWnSzJ8LQQMJfhYhFQoH3epJipqakwxmVMZb6bM89w1a6ir4yaZJLDoQwvRQmyZyHXQuNQogZFXTXk9cAygAQ3wRV1m2XGReoPJGkJJXs4YtxY1tepJrdsALNaKfPdK453yfrhwHuBFGt19fQWEi21iv5WkGBSzWBNcFs1g9gJWQTark2v879MpT4tYtq2Lh6VXpxwgZvkRKbvPWq9kFFhn5F7mT4dJetHHCKfvbNe3F4vyNkKh1aZ92Xh6meDgCdqhKYUYXcYxiJ67FNneLnbUf6omSvAiCBeY9XEGTjRgQjfM1wrK81cmtVy8enjxLyXkzXe8P5AuYhFU3bNmEJTFtyMNKAwZPsJ

Public Key

4E3nQUGBiknkTFLJE6Htj3KKNnHzpxhNv2Jw5cvW4s7J: 3F9n56P9YoiVsttxRX2mj4TjDSKcrGikNFeZRWbhoyxranRBn5cjNwHf7UCBqrM41gXzZJRmJP4rzDUv1KaUsG4yLLotJiWdWTAXwdDAuGx2qVB1QC9fkzPhCMw6JBqDDjzFk42UbKPbWFdTt1ts1HdX7UrJFRXuHGCvQ4sMvnpvyqmqX9viZw567xsgHEMnN9wGgDwLLTSE7NqS4gV2GAWdd4gj49kMfD47zKwoPpW8Cksnzqj3gfRLqKqCZ1x61KiS833Tm9YYDeEZJoueqkN17MnxbHD47vUSjKzocPTf5p2svM8qnispMSY76UJfFjGt8SrR6sgZLGcZVLHEiaW7ErvW6ebBohXcXGt51pU31dRYZwSJPMW1dgzDNkzEyQCcGeBHohf9PrbgS2anvMcEjDyNpybSXGVA