Improving the Work Item rendering.

crudkit/core/utils.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 from datetime import datetime, date
+from decimal import Decimal
+from enum import Enum
 from typing import Any, Dict, Optional, Callable
 from sqlalchemy import inspect
 
@@ -8,6 +10,32 @@ ISO_DT_FORMATS = ("%Y-%m-%dT%H:%M:%S.%f",
                   "%Y-%m-%d %H:%M",
                   "%Y-%m-%d")
 
+def to_jsonable(obj: Any):
+    """Recursively convert values into JSON-serializable forms."""
+    if obj is None or isinstance(obj, (str, int, float, bool)):
+        return obj
+
+    if isinstance(obj, (datetime, date)):
+        return obj.isoformat()
+
+    if isinstance(obj, Decimal):
+        return float(obj)
+
+    if isinstance(obj, Enum):
+        return obj.value
+
+    if isinstance(obj, dict):
+        return {str(k): to_jsonable(v) for k, v in obj.items()}
+
+    if isinstance(obj, (list, tuple, set)):
+        return [to_jsonable(v) for v in obj]
+
+    # fallback: strin-ify weird objects (UUID, ORM instances, etc.)
+    try:
+        return str(obj)
+    except Exception:
+        return None
+
 def filter_to_columns(data: dict, model_cls):
     cols = {c.key for c in inspect(model_cls).mapper.columns}
     return {k: v for k, v in data.items() if k in cols}