list_patchnotes to fix encoding error

gen/openapi_server/controllers/patchnotes_controller.py

@@ -120,67 +120,61 @@ def get_patchnote(patch_id):  # noqa: E501
     )
 
 
-from datetime import datetime, date
-from flask import Response
-from bson import json_util
-
 def list_patchnotes(since: str | None = None):
     """GET /patchnotes – liefert neue Patchnotes und setzt last_login."""
 
-    user_id = current_user_id()
-
-    # Last login aus DB holen
-    last_login_doc = last_login_collection.find_one({"user_id": user_id})
-    last_login = last_login_doc.get("last_login") if last_login_doc else None
-
-    # Abfrage definieren (default: alles holen)
+    user_id = current_user_id()  # 1) aktueller Benutzer
+    last_login = last_login_collection.find_one({"user_id": user_id}, {"last_login"})
     query = {}
-
     if since:
-        # since validieren
+        query = {
+            "patch_date": {
+                "$gte": last_login,
+                "$lte": since
+            }
+        }
         try:
-            since_date = datetime.strptime(since, "%Y-%m-%d").date()
+            datetime.strptime(since, "%Y-%m-%d")
         except ValueError:
             raise ProblemException(
                 title="Bad Request",
-                detail="since must be in format YYYY-MM-DD",
+                detail="since must be YYYY-MM-DD",
                 status=400,
             )
 
-        # last_login ebenfalls in date konvertieren, wenn vorhanden
-        if last_login:
-            if isinstance(last_login, str):
-                last_login = datetime.strptime(last_login, "%Y-%m-%d").date()
-            elif isinstance(last_login, datetime):
-                last_login = last_login.date()
 
-        # Datumsbereichs-Query
-        query = {
-            "patch_date": {
-                "$gte": last_login if last_login else date.min,
-                "$lte": since_date
-            }
-        }
+    # 3) Datum validieren (nur wenn vorhanden)
+    elif since is None:
+        try:
+            docs = collection.find({})
+            for d in docs:
+                d.pop("_id", None)
+                if isinstance(d["patch_date"], (datetime, date)):
+                    d["patch_date"] = d["patch_date"].isoformat()
+        except ValueError as e:
+            raise ProblemException(
+                title="Internal Server Error",
+                detail=str(e),
+                status=500,
+            )
+    # 4) Patchnotes abholen
 
-    # Patchnotes holen
     docs = list(collection.find(query).sort("patch_date", 1))
     for d in docs:
         d.pop("_id", None)
-        if isinstance(d.get("patch_date"), (datetime, date)):
+        if isinstance(d["patch_date"], (datetime, date)):
             d["patch_date"] = d["patch_date"].isoformat()
 
-    # Heutiges Datum als neuen last_login speichern
+    # 5) Heutiges Datum als neuen last_login speichern
     today = date.today().isoformat()
     last_login_collection.update_one(
         {"user_id": user_id},
         {"$set": {"last_login": today}},
         upsert=True,
     )
-
     return Response(json_util.dumps(docs), mimetype="application/json", status=200)
 
 
-
 def update_patchnote(patch_id, body):  # noqa: E501
     """Updates one patch note (full replace)