From 4c376fb2adde669f34c4b17e059e65a174629b54 Mon Sep 17 00:00:00 2001
From: Robert Zorko <robertz@gurucue.com>
Date: Tue, 29 Sep 2015 15:31:42 +0200
Subject: added settings to the user session and the login function now also
 returns those settings - currently only gui language is implemented. The
 create.sql script is updated for that change as well.

---
 db/create.sql          |  1 +
 server/handlers.py     |  3 ++-
 server/user_session.py | 17 ++++++++++++-----
 3 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/db/create.sql b/db/create.sql
index e720238..57c3647 100644
--- a/db/create.sql
+++ b/db/create.sql
@@ -33,6 +33,7 @@ create table codeq_user (
   is_active bool not null,
   date_joined timestamp not null,
   last_login timestamp not null,
+  gui_lang varchar(2),
   constraint codeq_user_pk primary key (id),
   constraint codeq_user_uq1 unique (username)
 );
diff --git a/server/handlers.py b/server/handlers.py
index 08994a0..997e2f2 100644
--- a/server/handlers.py
+++ b/server/handlers.py
@@ -50,7 +50,8 @@ class Login(CodeqService):
             else:
                 if request.session:
                     request.session.destroy()
-                request.reply({'code': 0, 'message': 'OK', 'sid':session.get_sid()})
+                settings = session.get_settings()
+                request.reply({'code': 0, 'message': 'OK', 'sid':session.get_sid(), 'settings':settings})
 
 
 class Activity(CodeqService):
diff --git a/server/user_session.py b/server/user_session.py
index 00ea039..6d5af47 100644
--- a/server/user_session.py
+++ b/server/user_session.py
@@ -26,13 +26,14 @@ class UserSession(object):
     No properties are accessible; use getters and setters instead.
     Values are passed by value instead of by reference (deep copy!).
     """
-    def __init__(self, uid, username):
+    def __init__(self, uid, username, settings):
         self._access_lock = threading.Lock()
         self.sid = uuid.uuid4().hex
         self.uid = uid
         self.username = username
         self.prolog_session = None
         self.python_session = None
+        self.settings = settings
 
     def destroy(self):
         """Destroys the session."""
@@ -53,6 +54,9 @@ class UserSession(object):
     def get_uid(self):
         return self.uid
 
+    def get_settings(self):
+        return self.settings
+
     def get_prolog(self):
         with self._access_lock:
             if self.prolog_session is None:
@@ -159,13 +163,16 @@ def get_session_by_id(sid):
             raise NoSuchSession('There is no session with SID {}'.format(sid))
         return s
 
-def get_or_create_session(uid, username, sid=None):
+def get_or_create_session(uid, username, sid=None, lan=None):
     with module_access_lock:
         if sid is not None:
             s = sessions.get(sid)
             if s is not None:
                 return s
-        s = UserSession(uid, username)
+        settings = {}
+        if lan is not None:
+            settings['lan'] = lan
+        s = UserSession(uid, username, settings)
         sessions[s.sid] = s
         return s
 
@@ -174,12 +181,12 @@ def authenticate_and_create_session(username, password):
     try:
         cur = conn.cursor()
         try:
-            cur.execute('select id, password from codeq_user where username = %s', (username,))
+            cur.execute('select id, password, gui_lang from codeq_user where username = %s', (username,))
             row = cur.fetchone()
             if row is None:
                 raise AuthenticationFailed('No such user: {}'.format(username))
             if verify_password(password, row[1]):
-                return get_or_create_session(row[0], username)
+                return get_or_create_session(row[0], username, None, row[2])
             raise AuthenticationFailed('Password mismatch')
         finally:
             cur.close()
-- 
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