Implemented activity service (auto-saving of traces and solutions).

2 files changed, 5 insertions, 4 deletions

diff --git a/server/prolog_session.py b/server/prolog_session.py
index 2c2d690..768f820 100644
--- a/server/prolog_session.py
+++ b/server/prolog_session.py
@@ -37,8 +37,7 @@ class PrologSession(object):
     No properties are accessible; use getters and setters instead.
     Values are passed by value instead of by reference (deep copy!).
     """
-    def __init__(self, user_session):
-        self._user_session = user_session  # the owning session
+    def __init__(self):
         self._access_lock = threading.Lock()
         self._engine_id = None
         self._problem_id = -1
@@ -120,5 +119,7 @@ class PrologSession(object):
             more_messages, status, have_more = self.query(query)
             messages.extend(more_messages)
         self._problem_id = problem_id
-#        self._user_session.update_solution(problem_id, [], program)  # TODO
         return messages, status, have_more
+
+    def get_problem_id(self):
+        return self._problem_id
diff --git a/server/user_session.py b/server/user_session.py
index d8cdf1d..d5aec44 100644
--- a/server/user_session.py
+++ b/server/user_session.py
@@ -50,7 +50,7 @@ class UserSession(object):
     def get_prolog(self):
         with self._access_lock:
             if self.prolog_session is None:
-                self.prolog_session = prolog_session.PrologSession(self)  # lazy init
+                self.prolog_session = prolog_session.PrologSession()  # lazy init
             return self.prolog_session
 
     def get_problem_data(self, language, problem_group, problem):