feat: Refactor rides app with unique constraints, mixins, and enhanced documentation

- Added migration to convert unique_together constraints to UniqueConstraint for RideModel.
- Introduced RideFormMixin for handling entity suggestions in ride forms.
- Created comprehensive code standards documentation outlining formatting, docstring requirements, complexity guidelines, and testing requirements.
- Established error handling guidelines with a structured exception hierarchy and best practices for API and view error handling.
- Documented view pattern guidelines, emphasizing the use of CBVs, FBVs, and ViewSets with examples.
- Implemented a benchmarking script for query performance analysis and optimization.
- Developed security documentation detailing measures, configurations, and a security checklist.
- Compiled a database optimization guide covering indexing strategies, query optimization patterns, and computed fields.

backend/apps/rides/managers.py

@@ -75,13 +75,14 @@ class RideQuerySet(StatusQuerySet, ReviewableQuerySet):
 
         return self.select_related(
             "park",
+            "park__location",
             "park_area",
             "manufacturer",
             "designer",
+            "ride_model",
             "ride_model__manufacturer",
         ).prefetch_related(
-            "location",
-            "rollercoaster_stats",
+            "coaster_stats",
             Prefetch(
                 "reviews",
                 queryset=RideReview.objects.select_related("user")
@@ -91,6 +92,12 @@ class RideQuerySet(StatusQuerySet, ReviewableQuerySet):
             "photos",
         )
 
+    def with_coaster_stats(self):
+        """Always prefetch coaster_stats for roller coaster queries."""
+        return self.select_related(
+            "park", "manufacturer", "ride_model"
+        ).prefetch_related("coaster_stats")
+
     def for_map_display(self):
         """Optimize for map display."""
         return (
@@ -176,6 +183,10 @@ class RideManager(StatusManager, ReviewableManager):
     def optimized_for_detail(self):
         return self.get_queryset().optimized_for_detail()
 
+    def with_coaster_stats(self):
+        """Always prefetch coaster_stats for roller coaster queries."""
+        return self.get_queryset().with_coaster_stats()
+
 
 class RideModelQuerySet(BaseQuerySet):
     """QuerySet for RideModel model."""