few qol fixes

Author: Deepthi-Chand

api/admin.py

@@ -22,4 +22,4 @@ class DatasetAdmin(admin.ModelAdmin):
 class UseCaseAdmin(admin.ModelAdmin):
     list_display = ("title", "slug", "created")
     search_fields = ("title", "slug")
-    search_fields = ("title", "summary")
+    list_filter = ("organization",)

api/models/Dataset.py

@@ -40,7 +40,7 @@ class Dataset(models.Model):
     )
     user = models.ForeignKey(
         "authorization.User",
-        on_delete=models.CASCADE,
+        on_delete=models.SET_NULL,
         null=True,
         blank=True,
         related_name="datasets",

api/schema/base_mutation.py

@@ -16,6 +16,7 @@
 )
 
 import strawberry
+import structlog
 from django.core.exceptions import PermissionDenied
 from django.core.exceptions import ValidationError as DjangoValidationError
 from django.db import DataError, IntegrityError
@@ -31,6 +32,8 @@
 from api.utils.graphql_telemetry import trace_resolver
 from authorization.activity import record_activity
 
+logger = structlog.getLogger(__name__)
+
 # Type aliases
 ActivityData = Dict[str, Any]
 ActivityDataGetter = Callable[[Any, Dict[str, Any]], ActivityData]  # type: ignore
@@ -231,6 +234,7 @@ def wrapper(
                 except Exception as e:
                     # Log the error but don't expose internal details
                     error_message = "An unexpected error occurred"
+                    logger.error("mutation_failed", error=str(e))
                     errors = GraphQLValidationError.from_message(error_message)
                     return MutationResponse.error_response(errors)  # type: ignore
 

api/schema/dataset_schema.py

@@ -638,9 +638,9 @@ def update_dataset(
             raise ValueError(f"Dataset with ID {dataset_id} does not exist.")
         if dataset.status != DatasetStatus.DRAFT.value:
             raise ValueError(f"Dataset with ID {dataset_id} is not in draft status.")
-        if update_dataset_input.title.strip() == "":
-            raise ValueError("Title cannot be empty.")
         if update_dataset_input.title:
+            if update_dataset_input.title.strip() == "":
+                raise ValueError("Title cannot be empty.")
             dataset.title = update_dataset_input.title.strip()
         if update_dataset_input.description:
             dataset.description = update_dataset_input.description.strip()