Add autocomplete functionality for parks: implement URLs, views, and templates for real-time suggestions

autocomplete/views.py

@@ -0,0 +1,52 @@
+from django.http import JsonResponse, HttpResponse
+from django.shortcuts import get_object_or_404, render
+from django.apps import apps
+from django.core.exceptions import ImproperlyConfigured
+
+def items(request, ac_name):
+    """Return autocomplete items for a given autocomplete class."""
+    try:
+        # Get the autocomplete class from the registry
+        ac_class = apps.get_app_config('autocomplete').get_autocomplete_class(ac_name)
+        if not ac_class:
+            raise ImproperlyConfigured(f"No autocomplete class found for {ac_name}")
+        
+        # Create instance and get results
+        ac = ac_class()
+        search = request.GET.get('search', '')
+        
+        # Check minimum search length
+        if len(search) < ac.minimum_search_length:
+            return HttpResponse('')
+        
+        # Get and format results
+        results = ac.get_search_results(search)[:ac.max_results]
+        formatted_results = [ac.format_result(obj) for obj in results]
+        
+        # Render suggestions template
+        return render(request, 'autocomplete/suggestions.html', {
+            'results': formatted_results
+        })
+    except Exception as e:
+        return HttpResponse(str(e), status=400)
+
+def toggle(request, ac_name):
+    """Toggle selection state for an autocomplete item."""
+    try:
+        # Get the autocomplete class from the registry
+        ac_class = apps.get_app_config('autocomplete').get_autocomplete_class(ac_name)
+        if not ac_class:
+            raise ImproperlyConfigured(f"No autocomplete class found for {ac_name}")
+        
+        # Create instance and handle toggle
+        ac = ac_class()
+        item_id = request.POST.get('id')
+        if not item_id:
+            raise ValueError("No item ID provided")
+        
+        # Get the object and format it
+        obj = get_object_or_404(ac.model, pk=item_id)
+        result = ac.format_result(obj)
+        return JsonResponse(result)
+    except Exception as e:
+        return JsonResponse({'error': str(e)}, status=400)