correct application of playlists rules

app/playlists/playlist_page.py

@@ -21,14 +21,31 @@ def main():
     # Appliquer les filtres
     filtered = []
     for p in playlists:
+        # filtrage texte
         if search_term.lower() not in p.name.lower() and search_term.lower() not in (p.description or "").lower():
             continue
-        if date_filter and datetime.fromisoformat(p.created_at) < datetime.combine(date_filter, datetime.min.time()):
-            continue
+        # filtrage date de création
+        if date_filter:
+            created = p.created_at
+            if isinstance(created, datetime):
+                created_dt = created
+            elif isinstance(created, (str, bytes)):
+                try:
+                    created_dt = datetime.fromisoformat(created)
+                except ValueError:
+                    continue  # ignore invalid date
+            else:
+                continue
+
+            if created_dt < datetime.combine(date_filter, datetime.min.time()):
+                continue
+
         filtered.append(p)
 
     # --- Sélection ou création ---
     names = ["(➕ Nouvelle playlist)"] + [p.name for p in filtered]
+    if "new_playlist_name" in st.session_state:
+        st.session_state["playlist_select"] = st.session_state.pop("new_playlist_name")
     selected_name = st.selectbox("Sélectionnez une playlist", names, key="playlist_select")
 
     # --- Création ---
@@ -43,11 +60,8 @@ def main():
             else:
                 pl = Playlist(name=name.strip(), description=desc, type=type_choice, rules=RuleSet())
                 pl.save()
-                st.session_state["playlist_select"] = pl.name  # ✅ sélectionne automatiquement
-                if hasattr(st, "rerun"):
-                    st.rerun()
-                else:
-                    st.experimental_rerun()
+                st.session_state["new_playlist_name"] = pl.name  # on stocke temporairement
+                st.rerun()
         return
 
     # --- Mode édition ---