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; } }

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Australia's leading K-POP Store

Name: KRYSTAL - Solitary (Jewel Case ver.)
Brand: SM Entertainment

Happy Town Kpop Store
since 2015

Welcome to HAPPY TOWN KPOP STORE

Released Date: 27/11/2025

Expected Arrival Date: 03/12/2025

**Detail Page will be updated**

KRYSTAL - Solitary (Jewel Case ver.)

$34.80

Quantity

KRYSTAL - Solitary ( the 1 st Single)

'[Details]

Outcase: 119 x 65mm / 1 type

Double Class Objekt: 55 x 85mm / Random 1 out of 24 types inserted

TRACKLIST: 55 x 85mm / QR Postcard / 1 type inserted
Pick-up in-store is free

Shipping From: MELBOURNE, VICTORIA

ALL OTHER AUSTRALIAN STATES

Extra shipping fee for
1 album : $18
2 albums : $213 albums : $24
Add $2 per album if you buy more than 3 albums

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Australia's leading K-POP Store

Happy Town Kpop Store
since 2015

KRYSTAL - Solitary (Jewel Case ver.)

Album Specifications

Shipping Fees