Fix map initialization and park area selection in moderation submission edit view

moderation/templatetags/moderation_tags.py

@@ -1,54 +1,56 @@
 from django import template
-from django.apps import apps
-from django.core.exceptions import ObjectDoesNotExist
-from rides.models import CATEGORY_CHOICES
+from django.utils.safestring import mark_safe
+from django.contrib.contenttypes.models import ContentType
 
 register = template.Library()
 
 @register.filter
-def get_object(value, model_path):
-    """
-    Template filter to get an object instance from its ID and model path.
-    Usage: {{ value|get_object:'app_label.ModelName' }}
-    """
+def get_object_name(value, model_path):
+    """Get object name from ID and model path."""
     if not value:
         return None
+    
+    app_label, model = model_path.split('.')
     try:
-        app_label, model_name = model_path.split('.')
-        model = apps.get_model(app_label, model_name)
-        return model.objects.get(id=value)
-    except (ValueError, LookupError, ObjectDoesNotExist):
+        content_type = ContentType.objects.get(app_label=app_label.lower(), model=model.lower())
+        model_class = content_type.model_class()
+        obj = model_class.objects.get(id=value)
+        return str(obj)
+    except Exception:
         return None
 
 @register.filter
 def get_category_display(value):
-    """
-    Template filter to get the display name for a ride category.
-    Usage: {{ value|get_category_display }}
-    """
-    try:
-        return dict(CATEGORY_CHOICES).get(value, value)
-    except (KeyError, AttributeError):
-        return value
-
-@register.filter
-def get_object_name(value, model_path):
-    """
-    Template filter to get an object's name from its ID and model path.
-    Usage: {{ value|get_object_name:'app_label.ModelName' }}
-    """
-    obj = get_object(value, model_path)
-    return obj.name if obj else None
+    """Get display value for ride category."""
+    if not value:
+        return None
+    
+    categories = {
+        'RC': 'Roller Coaster',
+        'DR': 'Dark Ride',
+        'FR': 'Flat Ride',
+        'WR': 'Water Ride',
+        'TR': 'Transport',
+        'OT': 'Other'
+    }
+    return categories.get(value, value)
 
 @register.filter
 def get_park_area_name(value, park_id):
-    """
-    Template filter to get a park area's name from its ID and park ID.
-    Usage: {{ value|get_park_area_name:park_id }}
-    """
-    try:
-        ParkArea = apps.get_model('parks', 'ParkArea')
-        area = ParkArea.objects.get(id=value, park_id=park_id)
-        return area.name
-    except (ValueError, LookupError, ObjectDoesNotExist):
+    """Get park area name from ID and park ID."""
+    if not value or not park_id:
         return None
+    
+    try:
+        from parks.models import ParkArea
+        area = ParkArea.objects.get(id=value, park_id=park_id)
+        return str(area)
+    except Exception:
+        return None
+
+@register.filter
+def get_item(dictionary, key):
+    """Get item from dictionary by key."""
+    if not dictionary or not key:
+        return []
+    return dictionary.get(str(key), [])