Fix group stage team sort and results

tournaments/models/group_stage.py

@@ -43,6 +43,13 @@ class GroupStage(models.Model):
             team_scores = match.team_scores.all()
             if len(team_scores) == 2:
 
+                ts1 = team_scores[0]
+                ts2 = team_scores[1]
+                scores1 = ts1.scores()
+                scores2 = ts2.scores()
+
+                if len(scores1) == len(scores2) and len(scores1) > 0:
+
                     for team_score in match.team_scores.all():
                         team_registration = team_score.team_registration
                         if team_registration in gs_teams:
@@ -52,10 +59,6 @@ class GroupStage(models.Model):
                             else:
                                 team.losses += 1
 
-                ts1 = team_scores[0]
-                ts2 = team_scores[1]
-                scores1 = ts1.scores()
-                scores2 = ts2.scores()
                     total1 = 0
                     total2 = 0
 
@@ -76,7 +79,11 @@ class GroupStage(models.Model):
                         team1.diff = total1 - total2
                         team2.diff = total2 - total1
 
-        teams = sorted(gs_teams.values(), key=lambda t: t.position)
+        if len(self.match_set.all()) == 0:
+            teams = sorted(gs_teams.values(), key=lambda team: team.position)
+        else:
+            teams = sorted(gs_teams.values(), key=lambda team: -team.wins)
+
         for team in teams:
             lgs.add_team(team)
         return lgs