<ul data-eligibleForWebStory="true"><li>The article discusses the journey of a developer in debugging a Django DRF order creation API.</li><li>The challenge faced was a NOT NULL constraint error for the total_amount field in the Order model.</li><li>Unit testing confirmed the correctness of Product and Customer models but revealed issues in API serialization.</li><li>The solution involved making calculated fields read-only, initializing total_amount during order creation, and handling nested relationships.</li><li>After implementing the changes, the API calls were successful, marking a significant achievement.</li><li>Key takeaways include the importance of thorough unit testing, understanding DRF mechanics, ensuring data integrity, and utilizing Django signals.</li><li>The developer is seeking opportunities in Python, Django, and backend development roles.</li><li>The article provides GitHub and LinkedIn profiles for further exploration of the developer's work.</li><li>Strategies for handling calculated fields in DRF and debugging IntegrityErrors are discussed, inviting readers to share their thoughts.</li></ul>

"From 'NOT NULL constraint failed' to Success: Debugging My Django DRF Order Creation API"

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