Wavy Studs

Wavy Studs

$13.20

These wavy studs slip through your ear and hug close to keep you warm all day (not really, but they’re pretty comforting if you ask me. Just look at them).

Color:

gold silver

Quantity:

Add To Cart

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import java.util.*;

@RestController
public class CheckoutController {
    @GetMapping("/checkout")
    public Map checkout(
            @RequestParam String products,
            @RequestParam(required = false) String coupon) {

        // Parse products
        Map productQuantities = new HashMap<>();
        for (String productEntry : products.split(",")) {
            String[] parts = productEntry.split(":");
            productQuantities.put(
                    parts[0], // Product ID
                    Integer.parseInt(parts[1]) // Quantity
            );
        }

        // Build result
        Map result = new HashMap<>();
        result.put("products", productQuantities);
        result.put("coupon", coupon != null ? coupon : "No coupon applied");

        return result;
    }
}