[JITERA] Implement Product Image Service

Created by: chi-jitera

Overview

This pull request introduces a new service for managing product images, following the structure and conventions established in the existing bookService.js. The new service, productImageService.js, provides a complete set of CRUD operations for product images, including validation and error handling.

Changes

1. Service Structure:

   • Created a new file named productImageService.js in the services directory.
   • Imported the necessary ProductImage model.

2. CRUD Operations:

   • Create: Implemented createProductImage function to add a new product image with validation.
   • Read: Implemented getAllProductImages to retrieve all product images and getProductImageById to fetch a specific image by its ID.
   • Update: Implemented updateProductImage to modify existing product image details with validation.
   • Delete: Implemented deleteProductImage to remove a product image by its ID.

3. Validation:

   • Added validateProductImageData function to ensure that the image data includes a valid URL and can be expanded for additional validation rules.

4. Error Handling:

   • Included error handling for scenarios where a product image is not found during read, update, or delete operations.

This service lays the groundwork for further enhancements and integrations related to product images in the application.