fix: sessions cannot be edited after cfs ends

app/api/sessions.py

@@ -17,6 +17,8 @@
 from app.models.session_type import SessionType
 from app.models.speaker import Speaker
 from app.models.track import Track
+from app.models.speakers_call import SpeakersCall
+from datetime import datetime
 from app.models.user import User
 from app.models.session_speaker_link import SessionsSpeakersLink
 from app.settings import get_settings
@@ -148,6 +150,11 @@ def before_update_object(self, session, data, view_kwargs):
         if session.is_locked and data.get('is_locked') == session.is_locked:
             raise ForbiddenException({'source': '/data/attributes/is-locked'}, "Locked sessions cannot be edited")
 
+        speakers_call = safe_query(self, SpeakersCall, 'event_id', session.event_id, 'event-id')
+        if speakers_call.ends_at.replace(tzinfo=None) < datetime.now().replace(tzinfo=None):
+            raise ForbiddenException({'source': ''},
+                                     "Cannot edit session after the call for speaker is ended")
+
     def after_update_object(self, session, data, view_kwargs):
         """ Send email if session accepted or rejected """