fix: category slug url #210
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WalkthroughThe pull request introduces several changes primarily focused on the Changes
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Actionable comments posted: 2
🧹 Outside diff range and nitpick comments (4)
server/apps/research/models/category.py (3)
22-22: Remove unnecessary f-string prefix in exception messageThe exception message does not include any variables, so the
fprefix is not needed.Apply this diff to correct the issue:
- raise ValueError(f"Failed to generate valid slug") from e + raise ValueError("Failed to generate valid slug") from e🧰 Tools
🪛 Ruff (0.8.2)
22-22: f-string without any placeholders
Remove extraneous
fprefix(F541)
36-36: Avoid unnecessary nestedtransaction.atomic()block ingenerate_slugmethodSince the
savemethod is already wrapped in atransaction.atomic()block, nesting anothertransaction.atomic()in thegenerate_slugmethod is redundant. Removing the innertransaction.atomic()simplifies the code without affecting transactional integrity.Apply this diff to remove the redundant transaction block:
def generate_slug(self): if not self.name: raise ValueError("Name is required to generate slug") base_slug = slugify(self.name) slug = base_slug num = 1 - with transaction.atomic(): while ( Category.objects.select_for_update() .filter(slug=slug) .exclude(id=self.id) # Exclude current instance when updating .exists() ): slug = f"{base_slug}-{num}" num += 1 return slug
9-9: Consider addingunique=Trueto theslugfieldTo enforce uniqueness at the database level and prevent potential race conditions, consider setting
unique=Trueon theslugfield. This complements the application-level enforcement and ensures data integrity.Apply this diff to update the field:
- slug = models.SlugField(max_length=255, blank=True) + slug = models.SlugField(max_length=255, blank=True, unique=True)server/apps/research/views.py (1)
109-111: Consider improving error handling specificityWhile the current implementation works, we could improve error handling by separately checking for category existence:
- instances = Article.objects.filter(categories__slug=category_slug) - if not instances.exists(): - return Response({'error': 'No articles found for this category'}, status=status.HTTP_404_NOT_FOUND) + # First verify category exists + category = get_object_or_404(Category, slug=category_slug) + instances = Article.objects.filter(categories=category) + if not instances.exists(): + return Response({'message': 'No articles found for this category'}, status=status.HTTP_200_OK)This change would:
- Distinguish between "category not found" (404) and "no articles" (200)
- Follow REST conventions more closely
- Provide clearer feedback to API consumers
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📒 Files selected for processing (5)
server/apps/research/admin/category_admin.py(1 hunks)server/apps/research/migrations/0015_category_slug.py(1 hunks)server/apps/research/models/category.py(1 hunks)server/apps/research/serializers/category_serializer.py(1 hunks)server/apps/research/views.py(1 hunks)
🧰 Additional context used
🪛 Ruff (0.8.2)
server/apps/research/models/category.py
22-22: f-string without any placeholders
Remove extraneous f prefix
(F541)
🔇 Additional comments (4)
server/apps/research/serializers/category_serializer.py (1)
6-6: LGTM!
The addition of the slug field to the serializer is appropriate and correctly configured as read-only.
server/apps/research/admin/category_admin.py (1)
8-13: LGTM!
Including the slug field in list_display and marking it as read-only enhances the admin interface without issues.
server/apps/research/views.py (2)
105-105: LGTM! URL pattern correctly updated for slug-based routing
The URL pattern [-\w]+ appropriately matches slug format, allowing alphanumeric characters and hyphens.
106-106: Verify API compatibility after parameter rename
The parameter rename from category to category_slug improves code clarity but may affect existing API clients.
✅ Verification successful
Let me check the actual usage in these files to understand if this parameter rename impacts any API clients.
Parameter rename is safe - URL pattern uses different name
The parameter rename from category to category_slug in the view method is safe because:
- The URL pattern in
urls.pyusescategoryin the URL pattern:(?P<category>[-\w]+) - The view method is decorated with
@actionthat explicitly maps the URL parameter:url_path=r'category/(?P<category_slug>[-\w]+)'
Django's URL routing system handles the mapping between URL parameters and view method parameters through the @action decorator, so this change doesn't affect API clients as the external URL structure remains unchanged.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Search for any direct usage of this endpoint in the codebase
rg -l "category/" --type js --type ts --type py
Length of output: 106
Script:
#!/bin/bash
# Check the URL pattern and view usage
echo "=== URLs configuration ==="
cat server/apps/research/urls.py
echo -e "\n=== View implementation and usages ==="
cat server/apps/research/views.py
Length of output: 7319
Summary by CodeRabbit
New Features
slugfield to theCategorymodel, enhancing URL-friendly categorization.slugfield alongsidenameandcreated_at.category_slug.Bug Fixes
Documentation
slugfield in the output.