Correction mineurs système de ticket & fix de l'erreur "!! CommandeNotfound"

commandes/ticket/data/models.py

@@ -216,6 +216,17 @@ class TicketData:
     @classmethod
     def from_dict(cls, data: Dict[str, Any]) -> 'TicketData':
         messages = [TicketMessage.from_dict(m) for m in data.get("messages", [])]
+        
+        def safe_parse_date(date_str, default=None):
+            if not date_str:
+                return default
+            try:
+                if isinstance(date_str, str) and date_str.endswith("Z"):
+                    date_str = date_str[:-1] + "+00:00"
+                return datetime.fromisoformat(date_str)
+            except ValueError:
+                return default
+                
         return cls(
             channel_id=data.get("channel_id", 0),
             guild_id=data.get("guild_id", 0),
@@ -223,8 +234,8 @@ class TicketData:
             category_id=data.get("category_id", ""),
             status=TicketStatus(data.get("status", "open")),
             priority=Priority(data.get("priority", "normal")),
-            created_at=datetime.fromisoformat(data.get("created_at", datetime.now().isoformat())),
-            closed_at=datetime.fromisoformat(data["closed_at"]) if data.get("closed_at") else None,
+            created_at=safe_parse_date(data.get("created_at"), datetime.now()),
+            closed_at=safe_parse_date(data.get("closed_at")),
             claimed_by=data.get("claimed_by"),
             messages=messages,
             reason=data.get("reason", ""),