[finsihes 187354259] added endpoint to get all products

[Mag-codes]

Purpose

The purpose of this pull request is to add new endpoints and functionality to the application:

• Added an endpoint to retrieve all products available in the database.
• Added an endpoint to retrieve a specific product by its ID.
• Added an endpoint for sellers to delete a product from their collection.

Changes Made

• Added a new route and controller function for retrieving all products (getAllProduct).
• Added a new route and controller function for retrieving a product by ID (getProductById).
• Added a new route and controller function for sellers to delete a product (deleteProduct).
• Implemented functionality to exclude expired products when retrieving all products.
• Implemented error handling and response formatting for each endpoint.

Testing Instructions

To test the changes:

1. Use an API testing tool like Postman or curl to send requests to the newly added endpoints.
2. For the "Get All Products" endpoint:
   • Ensure that all products are retrieved successfully.
   • Verify that expired products are excluded from the results.
3. For the "Get Product by ID" endpoint:
   • Send a request with a valid product ID and verify that the corresponding product is retrieved.
4. For the "Delete Product" endpoint:
   • Send a DELETE request with a valid product ID and seller authentication.
   • Verify that the product is successfully deleted from the seller's collection.

Checklist

• Code follows the project's coding standards
• Changes are covered by tests
• All tests pass

[JeanIrad]

consider using the more compelling attributes name especially for size table, your code is really awesome sir!

[amin-leon]

I think once buyer clicks on any product, he can also get the seller info