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thrillwiki_django_no_react/backend/apps/api/v1/parks/views.py
pacnpal 2e35f8c5d9 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.
2025-12-22 11:17:31 -05:00

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"""
Park API views for ThrillWiki API v1.
This module contains consolidated park photo viewset for the centralized API structure.
Enhanced from rogue implementation to maintain full feature parity.
"""
import logging
from typing import Any, cast
from django.contrib.auth import get_user_model
from django.core.exceptions import PermissionDenied
from drf_spectacular.types import OpenApiTypes
from drf_spectacular.utils import OpenApiParameter, extend_schema, extend_schema_view
from rest_framework import status
from rest_framework.decorators import action
from rest_framework.exceptions import ValidationError
from rest_framework.permissions import AllowAny, IsAuthenticated
from rest_framework.response import Response
from rest_framework.views import APIView
from rest_framework.viewsets import ModelViewSet
from apps.core.exceptions import (
NotFoundError,
PermissionDeniedError,
ServiceError,
ValidationException,
)
from apps.core.utils.error_handling import ErrorHandler
from apps.parks.models import Park, ParkPhoto
from apps.parks.services import ParkMediaService
from apps.parks.services.hybrid_loader import smart_park_loader
from .serializers import (
HybridParkSerializer,
ParkPhotoApprovalInputSerializer,
ParkPhotoCreateInputSerializer,
ParkPhotoListOutputSerializer,
ParkPhotoOutputSerializer,
ParkPhotoStatsOutputSerializer,
ParkPhotoUpdateInputSerializer,
)
logger = logging.getLogger(__name__)
UserModel = get_user_model()
@extend_schema_view(
list=extend_schema(
summary="List park photos",
description="Retrieve a paginated list of park photos with filtering capabilities.",
responses={200: ParkPhotoListOutputSerializer(many=True)},
tags=["Park Media"],
),
create=extend_schema(
summary="Upload park photo",
description="Upload a new photo for a park. Requires authentication.",
request=ParkPhotoCreateInputSerializer,
responses={
201: ParkPhotoOutputSerializer,
400: OpenApiTypes.OBJECT,
401: OpenApiTypes.OBJECT,
},
tags=["Park Media"],
),
retrieve=extend_schema(
summary="Get park photo details",
description="Retrieve detailed information about a specific park photo.",
responses={
200: ParkPhotoOutputSerializer,
404: OpenApiTypes.OBJECT,
},
tags=["Park Media"],
),
update=extend_schema(
summary="Update park photo",
description="Update park photo information. Requires authentication and ownership or admin privileges.",
request=ParkPhotoUpdateInputSerializer,
responses={
200: ParkPhotoOutputSerializer,
400: OpenApiTypes.OBJECT,
401: OpenApiTypes.OBJECT,
403: OpenApiTypes.OBJECT,
404: OpenApiTypes.OBJECT,
},
tags=["Park Media"],
),
partial_update=extend_schema(
summary="Partially update park photo",
description="Partially update park photo information. Requires authentication and ownership or admin privileges.",
request=ParkPhotoUpdateInputSerializer,
responses={
200: ParkPhotoOutputSerializer,
400: OpenApiTypes.OBJECT,
401: OpenApiTypes.OBJECT,
403: OpenApiTypes.OBJECT,
404: OpenApiTypes.OBJECT,
},
tags=["Park Media"],
),
destroy=extend_schema(
summary="Delete park photo",
description="Delete a park photo. Requires authentication and ownership or admin privileges.",
responses={
204: None,
401: OpenApiTypes.OBJECT,
403: OpenApiTypes.OBJECT,
404: OpenApiTypes.OBJECT,
},
tags=["Park Media"],
),
)
class ParkPhotoViewSet(ModelViewSet):
"""
Enhanced ViewSet for managing park photos with full feature parity.
Provides CRUD operations for park photos with proper permission checking.
Uses ParkMediaService for business logic operations.
Includes advanced features like bulk approval and statistics.
"""
lookup_field = "id"
def get_permissions(self):
"""Set permissions based on action."""
if self.action in ["list", "retrieve", "stats"]:
permission_classes = [AllowAny]
else:
permission_classes = [IsAuthenticated]
return [permission() for permission in permission_classes]
def get_queryset(self): # type: ignore[override]
"""Get photos for the current park with optimized queries."""
queryset = ParkPhoto.objects.select_related(
"park", "park__operator", "uploaded_by"
)
# If park_pk is provided in URL kwargs, filter by park
park_pk = self.kwargs.get("park_pk")
if park_pk:
queryset = queryset.filter(park_id=park_pk)
return queryset.order_by("-created_at")
def get_serializer_class(self): # type: ignore[override]
"""Return appropriate serializer based on action."""
if self.action == "list":
return ParkPhotoListOutputSerializer
elif self.action == "create":
return ParkPhotoCreateInputSerializer
elif self.action in ["update", "partial_update"]:
return ParkPhotoUpdateInputSerializer
else:
return ParkPhotoOutputSerializer
def perform_create(self, serializer):
"""Create a new park photo using ParkMediaService."""
park_id = self.kwargs.get("park_pk")
if not park_id:
raise ValidationError("Park ID is required")
try:
Park.objects.get(pk=park_id)
except Park.DoesNotExist:
raise ValidationError("Park not found")
try:
# Use the service to create the photo with proper business logic
service = cast(Any, ParkMediaService())
photo = service.create_photo(
park_id=park_id,
uploaded_by=self.request.user,
**serializer.validated_data,
)
# Set the instance for the serializer response
serializer.instance = photo
except (ValidationException, ValidationError) as e:
logger.warning(f"Validation error creating park photo: {e}")
raise ValidationError(str(e))
except ServiceError as e:
logger.error(f"Service error creating park photo: {e}")
raise ValidationError(f"Failed to create photo: {str(e)}")
def perform_update(self, serializer):
"""Update park photo with permission checking."""
instance = self.get_object()
# Check permissions - allow owner or staff
if not (
self.request.user == instance.uploaded_by
or cast(Any, self.request.user).is_staff
):
raise PermissionDenied("You can only edit your own photos or be an admin.")
# Handle primary photo logic using service
if serializer.validated_data.get("is_primary", False):
try:
ParkMediaService().set_primary_photo(
park_id=instance.park_id, photo_id=instance.id
)
# Remove is_primary from validated_data since service handles it
if "is_primary" in serializer.validated_data:
del serializer.validated_data["is_primary"]
except (ValidationException, ValidationError) as e:
logger.warning(f"Validation error setting primary photo: {e}")
raise ValidationError(str(e))
except ServiceError as e:
logger.error(f"Service error setting primary photo: {e}")
raise ValidationError(f"Failed to set primary photo: {str(e)}")
def perform_destroy(self, instance):
"""Delete park photo with permission checking."""
# Check permissions - allow owner or staff
if not (
self.request.user == instance.uploaded_by
or cast(Any, self.request.user).is_staff
):
raise PermissionDenied(
"You can only delete your own photos or be an admin."
)
# Delete from Cloudflare first if image exists
if instance.image:
try:
from django_cloudflareimages_toolkit.services import (
CloudflareImagesService,
)
service = CloudflareImagesService()
service.delete_image(instance.image)
logger.info(
f"Successfully deleted park photo from Cloudflare: {instance.image.cloudflare_id}"
)
except ImportError:
logger.warning("CloudflareImagesService not available")
except ServiceError as e:
logger.error(f"Service error deleting from Cloudflare: {str(e)}")
# Continue with database deletion even if Cloudflare deletion fails
try:
ParkMediaService().delete_photo(
instance.id, deleted_by=cast(UserModel, self.request.user)
)
except ServiceError as e:
logger.error(f"Service error deleting park photo: {e}")
raise ValidationError(f"Failed to delete photo: {str(e)}")
@extend_schema(
summary="Set photo as primary",
description="Set this photo as the primary photo for the park",
responses={
200: OpenApiTypes.OBJECT,
400: OpenApiTypes.OBJECT,
403: OpenApiTypes.OBJECT,
404: OpenApiTypes.OBJECT,
},
tags=["Park Media"],
)
@action(detail=True, methods=["post"])
def set_primary(self, request, **kwargs):
"""Set this photo as the primary photo for the park."""
photo = self.get_object()
# Check permissions - allow owner or staff
if not (request.user == photo.uploaded_by or cast(Any, request.user).is_staff):
raise PermissionDenied(
"You can only modify your own photos or be an admin."
)
try:
ParkMediaService().set_primary_photo(
park_id=photo.park_id, photo_id=photo.id
)
# Refresh the photo instance
photo.refresh_from_db()
serializer = self.get_serializer(photo)
return Response(
{
"message": "Photo set as primary successfully",
"photo": serializer.data,
},
status=status.HTTP_200_OK,
)
except (ValidationException, ValidationError) as e:
logger.warning(f"Validation error setting primary photo: {e}")
return ErrorHandler.handle_api_error(
e,
user_message="Failed to set primary photo",
status_code=status.HTTP_400_BAD_REQUEST,
)
except ServiceError as e:
return ErrorHandler.handle_api_error(
e,
user_message="Failed to set primary photo",
status_code=status.HTTP_400_BAD_REQUEST,
)
@extend_schema(
summary="Bulk approve/reject photos",
description="Bulk approve or reject multiple park photos (admin only)",
request=ParkPhotoApprovalInputSerializer,
responses={
200: OpenApiTypes.OBJECT,
400: OpenApiTypes.OBJECT,
403: OpenApiTypes.OBJECT,
},
tags=["Park Media"],
)
@action(detail=False, methods=["post"], permission_classes=[IsAuthenticated])
def bulk_approve(self, request, **kwargs):
"""Bulk approve or reject multiple photos (admin only)."""
if not cast(Any, request.user).is_staff:
raise PermissionDenied("Only administrators can approve photos.")
serializer = ParkPhotoApprovalInputSerializer(data=request.data)
serializer.is_valid(raise_exception=True)
validated_data = cast(dict, getattr(serializer, "validated_data", {}))
photo_ids = validated_data.get("photo_ids")
approve = validated_data.get("approve")
park_id = self.kwargs.get("park_pk")
if photo_ids is None or approve is None:
return Response(
{"error": "Missing required fields: photo_ids and/or approve."},
status=status.HTTP_400_BAD_REQUEST,
)
try:
# Filter photos to only those belonging to this park (if park_pk provided)
photos_queryset = ParkPhoto.objects.filter(id__in=photo_ids)
if park_id:
photos_queryset = photos_queryset.filter(park_id=park_id)
updated_count = photos_queryset.update(is_approved=approve)
return Response(
{
"message": f"Successfully {'approved' if approve else 'rejected'} {updated_count} photos",
"updated_count": updated_count,
},
status=status.HTTP_200_OK,
)
except (ValidationException, ValidationError) as e:
logger.warning(f"Validation error in bulk photo approval: {e}")
return ErrorHandler.handle_api_error(
e,
user_message="Failed to update photos",
status_code=status.HTTP_400_BAD_REQUEST,
)
except ServiceError as e:
return ErrorHandler.handle_api_error(
e,
user_message="Failed to update photos",
status_code=status.HTTP_400_BAD_REQUEST,
)
@extend_schema(
summary="Get park photo statistics",
description="Get photo statistics for the park",
responses={
200: ParkPhotoStatsOutputSerializer,
404: OpenApiTypes.OBJECT,
500: OpenApiTypes.OBJECT,
},
tags=["Park Media"],
)
@action(detail=False, methods=["get"])
def stats(self, request, **kwargs):
"""Get photo statistics for the park."""
park_pk = self.kwargs.get("park_pk")
park = None
if park_pk:
try:
park = Park.objects.get(pk=park_pk)
except Park.DoesNotExist:
return ErrorHandler.handle_api_error(
NotFoundError(f"Park with id {park_pk} not found"),
user_message="Park not found",
status_code=status.HTTP_404_NOT_FOUND,
)
try:
if park is not None:
stats = ParkMediaService().get_photo_stats(park=park)
else:
stats = ParkMediaService().get_photo_stats(park=cast(Park, None))
serializer = ParkPhotoStatsOutputSerializer(stats)
return Response(serializer.data, status=status.HTTP_200_OK)
except ServiceError as e:
return ErrorHandler.handle_api_error(
e,
user_message="Failed to get photo statistics",
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
)
# Legacy compatibility action using the legacy set_primary logic
@extend_schema(
summary="Set photo as primary (legacy)",
description="Legacy set primary action for backwards compatibility",
responses={
200: OpenApiTypes.OBJECT,
400: OpenApiTypes.OBJECT,
403: OpenApiTypes.OBJECT,
},
tags=["Park Media"],
)
@action(detail=True, methods=["post"])
def set_primary_legacy(self, request, id=None):
"""Legacy set primary action for backwards compatibility."""
photo = self.get_object()
if not (
request.user == photo.uploaded_by
or request.user.has_perm("parks.change_parkphoto")
):
return Response(
{"error": "You do not have permission to edit photos for this park."},
status=status.HTTP_403_FORBIDDEN,
)
try:
ParkMediaService().set_primary_photo(
park_id=photo.park_id, photo_id=photo.id
)
return Response({"message": "Photo set as primary successfully."})
except (ValidationException, ValidationError) as e:
logger.warning(f"Validation error in set_primary_photo: {str(e)}")
return ErrorHandler.handle_api_error(
e,
user_message="Failed to set primary photo",
status_code=status.HTTP_400_BAD_REQUEST,
)
except ServiceError as e:
return ErrorHandler.handle_api_error(
e,
user_message="Failed to set primary photo",
status_code=status.HTTP_400_BAD_REQUEST,
)
@extend_schema(
summary="Save Cloudflare image as park photo",
description="Save a Cloudflare image as a park photo after direct upload to Cloudflare",
request=OpenApiTypes.OBJECT,
responses={
201: ParkPhotoOutputSerializer,
400: OpenApiTypes.OBJECT,
401: OpenApiTypes.OBJECT,
404: OpenApiTypes.OBJECT,
},
tags=["Park Media"],
)
@action(detail=False, methods=["post"])
def save_image(self, request, **kwargs):
"""Save a Cloudflare image as a park photo after direct upload to Cloudflare."""
park_pk = self.kwargs.get("park_pk")
if not park_pk:
return Response(
{"error": "Park ID is required"},
status=status.HTTP_400_BAD_REQUEST,
)
try:
park = Park.objects.get(pk=park_pk)
except Park.DoesNotExist:
return Response(
{"error": "Park not found"},
status=status.HTTP_404_NOT_FOUND,
)
cloudflare_image_id = request.data.get("cloudflare_image_id")
if not cloudflare_image_id:
return Response(
{"error": "cloudflare_image_id is required"},
status=status.HTTP_400_BAD_REQUEST,
)
try:
# Import CloudflareImage model and service
from django_cloudflareimages_toolkit.models import CloudflareImage
from django_cloudflareimages_toolkit.services import CloudflareImagesService
from django.utils import timezone
# Always fetch the latest image data from Cloudflare API
# Get image details from Cloudflare API
service = CloudflareImagesService()
image_data = service.get_image(cloudflare_image_id)
if not image_data:
return ErrorHandler.handle_api_error(
NotFoundError("Image not found in Cloudflare"),
user_message="Image not found in Cloudflare",
status_code=status.HTTP_400_BAD_REQUEST,
)
# Try to find existing CloudflareImage record by cloudflare_id
cloudflare_image = None
try:
cloudflare_image = CloudflareImage.objects.get(
cloudflare_id=cloudflare_image_id
)
# Update existing record with latest data from Cloudflare
cloudflare_image.status = "uploaded"
cloudflare_image.uploaded_at = timezone.now()
cloudflare_image.metadata = image_data.get("meta", {})
# Extract variants from nested result structure
cloudflare_image.variants = image_data.get("result", {}).get(
"variants", []
)
cloudflare_image.cloudflare_metadata = image_data
cloudflare_image.width = image_data.get("width")
cloudflare_image.height = image_data.get("height")
cloudflare_image.format = image_data.get("format", "")
cloudflare_image.save()
except CloudflareImage.DoesNotExist:
# Create new CloudflareImage record from API response
cloudflare_image = CloudflareImage.objects.create(
cloudflare_id=cloudflare_image_id,
user=request.user,
status="uploaded",
upload_url="", # Not needed for uploaded images
expires_at=timezone.now()
+ timezone.timedelta(days=365), # Set far future expiry
uploaded_at=timezone.now(),
metadata=image_data.get("meta", {}),
# Extract variants from nested result structure
variants=image_data.get("result", {}).get("variants", []),
cloudflare_metadata=image_data,
width=image_data.get("width"),
height=image_data.get("height"),
format=image_data.get("format", ""),
)
# Create the park photo with the CloudflareImage reference
photo = ParkPhoto.objects.create(
park=park,
image=cloudflare_image,
uploaded_by=request.user,
caption=request.data.get("caption", ""),
alt_text=request.data.get("alt_text", ""),
photo_type=request.data.get("photo_type", "exterior"),
is_primary=request.data.get("is_primary", False),
is_approved=False, # Default to requiring approval
)
# Handle primary photo logic if requested
if request.data.get("is_primary", False):
try:
ParkMediaService().set_primary_photo(
park_id=park.id, photo_id=photo.id
)
except ServiceError as e:
logger.error(f"Error setting primary photo: {e}")
# Don't fail the entire operation, just log the error
serializer = ParkPhotoOutputSerializer(photo, context={"request": request})
return Response(serializer.data, status=status.HTTP_201_CREATED)
except ImportError:
logger.error("CloudflareImagesService not available")
return ErrorHandler.handle_api_error(
ServiceError("Cloudflare Images service not available"),
user_message="Image upload service not available",
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
)
except (ValidationException, ValidationError) as e:
logger.warning(f"Validation error saving park photo: {e}")
return ErrorHandler.handle_api_error(
e,
user_message="Failed to save photo",
status_code=status.HTTP_400_BAD_REQUEST,
)
except ServiceError as e:
return ErrorHandler.handle_api_error(
e,
user_message="Failed to save photo",
status_code=status.HTTP_400_BAD_REQUEST,
)
@extend_schema_view(
get=extend_schema(
summary="Get parks with hybrid filtering",
description="Retrieve parks with intelligent hybrid filtering strategy. Automatically chooses between client-side and server-side filtering based on data size.",
parameters=[
OpenApiParameter(
"status",
OpenApiTypes.STR,
description="Filter by park status (comma-separated for multiple)",
),
OpenApiParameter(
"park_type",
OpenApiTypes.STR,
description="Filter by park type (comma-separated for multiple)",
),
OpenApiParameter(
"country",
OpenApiTypes.STR,
description="Filter by country (comma-separated for multiple)",
),
OpenApiParameter(
"state",
OpenApiTypes.STR,
description="Filter by state (comma-separated for multiple)",
),
OpenApiParameter(
"opening_year_min", OpenApiTypes.INT, description="Minimum opening year"
),
OpenApiParameter(
"opening_year_max", OpenApiTypes.INT, description="Maximum opening year"
),
OpenApiParameter(
"size_min",
OpenApiTypes.NUMBER,
description="Minimum park size in acres",
),
OpenApiParameter(
"size_max",
OpenApiTypes.NUMBER,
description="Maximum park size in acres",
),
OpenApiParameter(
"rating_min", OpenApiTypes.NUMBER, description="Minimum average rating"
),
OpenApiParameter(
"rating_max", OpenApiTypes.NUMBER, description="Maximum average rating"
),
OpenApiParameter(
"ride_count_min", OpenApiTypes.INT, description="Minimum ride count"
),
OpenApiParameter(
"ride_count_max", OpenApiTypes.INT, description="Maximum ride count"
),
OpenApiParameter(
"coaster_count_min",
OpenApiTypes.INT,
description="Minimum coaster count",
),
OpenApiParameter(
"coaster_count_max",
OpenApiTypes.INT,
description="Maximum coaster count",
),
OpenApiParameter(
"operator",
OpenApiTypes.STR,
description="Filter by operator slug (comma-separated for multiple)",
),
OpenApiParameter(
"search",
OpenApiTypes.STR,
description="Search query for park names, descriptions, locations, and operators",
),
OpenApiParameter(
"offset",
OpenApiTypes.INT,
description="Offset for progressive loading (server-side pagination)",
),
],
responses={
200: {
"description": "Parks data with hybrid filtering metadata",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"parks": {
"type": "array",
"items": {
"$ref": "#/components/schemas/HybridParkSerializer"
},
},
"total_count": {"type": "integer"},
"strategy": {
"type": "string",
"enum": ["client_side", "server_side"],
"description": "Filtering strategy used",
},
"has_more": {
"type": "boolean",
"description": "Whether more data is available for progressive loading",
},
"next_offset": {
"type": "integer",
"nullable": True,
"description": "Next offset for progressive loading",
},
"filter_metadata": {
"type": "object",
"description": "Available filter options and ranges",
},
},
}
}
},
}
},
tags=["Parks"],
)
)
class HybridParkAPIView(APIView):
"""
Hybrid Park API View with intelligent filtering strategy.
Automatically chooses between client-side and server-side filtering
based on data size and complexity. Provides progressive loading
for large datasets and complete data for smaller sets.
"""
permission_classes = [AllowAny]
def get(self, request):
"""Get parks with hybrid filtering strategy."""
# Extract filters from query parameters
filters = self._extract_filters(request.query_params)
# Check if this is a progressive load request
offset = request.query_params.get("offset")
if offset is not None:
try:
offset = int(offset)
except ValueError:
return ErrorHandler.handle_api_error(
ValidationException("Invalid offset parameter"),
user_message="Invalid offset parameter",
status_code=status.HTTP_400_BAD_REQUEST,
)
try:
if offset is not None:
# Get progressive load data
data = smart_park_loader.get_progressive_load(offset, filters)
else:
# Get initial load data
data = smart_park_loader.get_initial_load(filters)
# Serialize the parks data
serializer = HybridParkSerializer(data["parks"], many=True)
# Prepare response
response_data = {
"parks": serializer.data,
"total_count": data["total_count"],
"strategy": data.get("strategy", "server_side"),
"has_more": data.get("has_more", False),
"next_offset": data.get("next_offset"),
}
# Include filter metadata for initial loads
if "filter_metadata" in data:
response_data["filter_metadata"] = data["filter_metadata"]
return Response(response_data, status=status.HTTP_200_OK)
except ServiceError as e:
return ErrorHandler.handle_api_error(
e,
user_message="Failed to load parks",
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
)
def _extract_filters(self, query_params):
"""Extract and parse filters from query parameters."""
filters = {}
# Handle comma-separated list parameters
list_params = ["status", "park_type", "country", "state", "operator"]
for param in list_params:
value = query_params.get(param)
if value:
filters[param] = [v.strip() for v in value.split(",") if v.strip()]
# Handle integer parameters
int_params = [
"opening_year_min",
"opening_year_max",
"ride_count_min",
"ride_count_max",
"coaster_count_min",
"coaster_count_max",
]
for param in int_params:
value = query_params.get(param)
if value:
try:
filters[param] = int(value)
except ValueError:
pass # Skip invalid integer values
# Handle float parameters
float_params = ["size_min", "size_max", "rating_min", "rating_max"]
for param in float_params:
value = query_params.get(param)
if value:
try:
filters[param] = float(value)
except ValueError:
pass # Skip invalid float values
# Handle search parameter
search = query_params.get("search")
if search:
filters["search"] = search.strip()
return filters
@extend_schema_view(
get=extend_schema(
summary="Get park filter metadata",
description="Get available filter options and ranges for parks filtering.",
parameters=[
OpenApiParameter(
"scoped",
OpenApiTypes.BOOL,
description="Whether to scope metadata to current filters",
),
],
responses={
200: {
"description": "Filter metadata",
"content": {
"application/json": {
"schema": {
"type": "object",
"properties": {
"categorical": {
"type": "object",
"properties": {
"countries": {
"type": "array",
"items": {"type": "string"},
},
"states": {
"type": "array",
"items": {"type": "string"},
},
"park_types": {
"type": "array",
"items": {"type": "string"},
},
"statuses": {
"type": "array",
"items": {"type": "string"},
},
"operators": {
"type": "array",
"items": {
"type": "object",
"properties": {
"name": {"type": "string"},
"slug": {"type": "string"},
},
},
},
},
},
"ranges": {
"type": "object",
"properties": {
"opening_year": {
"type": "object",
"properties": {
"min": {
"type": "integer",
"nullable": True,
},
"max": {
"type": "integer",
"nullable": True,
},
},
},
"size_acres": {
"type": "object",
"properties": {
"min": {
"type": "number",
"nullable": True,
},
"max": {
"type": "number",
"nullable": True,
},
},
},
"average_rating": {
"type": "object",
"properties": {
"min": {
"type": "number",
"nullable": True,
},
"max": {
"type": "number",
"nullable": True,
},
},
},
"ride_count": {
"type": "object",
"properties": {
"min": {
"type": "integer",
"nullable": True,
},
"max": {
"type": "integer",
"nullable": True,
},
},
},
"coaster_count": {
"type": "object",
"properties": {
"min": {
"type": "integer",
"nullable": True,
},
"max": {
"type": "integer",
"nullable": True,
},
},
},
},
},
"total_count": {"type": "integer"},
},
}
}
},
}
},
tags=["Parks"],
)
)
class ParkFilterMetadataAPIView(APIView):
"""
API view for getting park filter metadata.
Provides information about available filter options and ranges
to help build dynamic filter interfaces.
"""
permission_classes = [AllowAny]
def get(self, request):
"""Get park filter metadata."""
# Check if metadata should be scoped to current filters
scoped = request.query_params.get("scoped", "").lower() == "true"
filters = None
if scoped:
filters = self._extract_filters(request.query_params)
try:
# Get filter metadata
metadata = smart_park_loader.get_filter_metadata(filters)
return Response(metadata, status=status.HTTP_200_OK)
except ServiceError as e:
return ErrorHandler.handle_api_error(
e,
user_message="Failed to get filter metadata",
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
)
def _extract_filters(self, query_params):
"""Extract and parse filters from query parameters."""
# Reuse the same filter extraction logic
view = HybridParkAPIView()
return view._extract_filters(query_params)
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