Skill: Implement Django Feature

1. Domain Modeling (The Foundation)

Always start here.

• Create/Update models.py.
• Enforce id = models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True).
• Add createdat and updatedat (TimeStamped).
• Define str method.

2. Business Logic Layer

Do not put heavy logic in Views.

• Create a services.py or selectors.py in the app.
• selectors.py: For fetching data (QuerySets, filtering).
• services.py: For writing data (Transactions, complex creates).

3. API Interface (DRF)

• Serializer:

- Use ModelSerializer by default. - Explicitly list fields (or use fields = 'all' only for prototyping).

• View:

- Use restframework.generics or viewsets. - Apply permissionclasses. - Apply filter_backends (DjangoFilterBackend, SearchFilter).

• URL:

- Register in urls.py. Use the router if using ViewSets.

4. Admin Panel

• Don't forget admin.py.
• Use @admin.register(Model).
• Define listdisplay, searchfields, list_filter.

5. Testing

• Create a test file tests/test_[feature].py.
• Implement user happy path (201 Created / 200 OK).