LLD - Design — Online Shopping Cart
A developer designed an e-commerce order system but forgot to handle payment failures properly. What is the likely problem in this design?
A developer designed an e-commerce order system but forgot to handle payment failures properly. What is the likely problem in this design?
medium📝 Analysis Q14 of Q15
Step-by-Step Solution
Solution:
Step 1: Understand the impact of missing payment failure handling
If payment failures are not handled, the system might wrongly confirm orders without payment.Step 2: Connect the problem to order status
This causes incorrect order states, leading to customer dissatisfaction and financial loss.Final Answer:
Orders may be marked complete even if payment failed -> Option AQuick Check:
Missing payment checks = wrong order status [OK]
Quick Trick: Check if all failure cases are handled in design [OK]
Common Mistakes:
MISTAKES- Confusing payment issues with image loading
- Mixing security issues with payment handling
- Assuming unrelated performance problems
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