Fix group stage team sort and results

tournaments/models/group_stage.py

@@ -43,40 +43,47 @@ class GroupStage(models.Model):
             team_scores = match.team_scores.all()
             if len(team_scores) == 2:
 
-                for team_score in match.team_scores.all():
-                    team_registration = team_score.team_registration
-                    if team_registration in gs_teams:
-                        team = gs_teams[team_registration]
-                        if match.winning_team_id == team_registration.id:
-                            team.wins += 1
-                        else:
-                            team.losses += 1
-
                 ts1 = team_scores[0]
                 ts2 = team_scores[1]
                 scores1 = ts1.scores()
                 scores2 = ts2.scores()
-                total1 = 0
-                total2 = 0
-
-                if len(scores1) == len(scores2):
-                    if len(scores1) > 1: # multiple sets
-                        for i in range(len(scores1)):
-                            if scores1[i] > scores2[i]:
-                                total1 += 1
+
+                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:
+                            team = gs_teams[team_registration]
+                            if match.winning_team_id == team_registration.id:
+                                team.wins += 1
                             else:
-                                total2 += 1
-                    elif len(scores1) == 1:
-                        total1 = scores1[0]
-                        total2 = scores2[0]
-
-                if ts1.team_registration in gs_teams and ts2.team_registration in gs_teams:
-                    team1 = gs_teams[ts1.team_registration]
-                    team2 = gs_teams[ts2.team_registration]
-                    team1.diff = total1 - total2
-                    team2.diff = total2 - total1
-
-        teams = sorted(gs_teams.values(), key=lambda t: t.position)
+                                team.losses += 1
+
+                    total1 = 0
+                    total2 = 0
+
+                    if len(scores1) == len(scores2):
+                        if len(scores1) > 1: # multiple sets
+                            for i in range(len(scores1)):
+                                if scores1[i] > scores2[i]:
+                                    total1 += 1
+                                else:
+                                    total2 += 1
+                        elif len(scores1) == 1:
+                            total1 = scores1[0]
+                            total2 = scores2[0]
+
+                    if ts1.team_registration in gs_teams and ts2.team_registration in gs_teams:
+                        team1 = gs_teams[ts1.team_registration]
+                        team2 = gs_teams[ts2.team_registration]
+                        team1.diff = total1 - total2
+                        team2.diff = total2 - total1
+
+        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