fix cancel & empty tournament to avoid display when over

tournaments/models/tournament.py

@@ -468,11 +468,14 @@ class Tournament(models.Model):
         return False
 
     def display_tournament(self):
-        if self.end_date is not None:
-            return True
         if self.publish_tournament:
             return True
-        if (len(self.groupstage_set.all()) > 0 or len(self.round_set.all()) > 0) and len(self.teamregistration_set.all()) >= 4:
+        is_build_and_not_empty = self.is_build_and_not_empty()
+        if self.end_date is not None:
+            if self.is_canceled is True:
+                return is_build_and_not_empty
+            return True
+        if is_build_and_not_empty is True:
             if datetime.now().date() >= self.start_date.date():
                 return True
             minimum_publish_date = self.creation_date.replace(hour=9, minute=0) + timedelta(days=1)
@@ -574,6 +577,9 @@ class Tournament(models.Model):
     def hide_weight(self):
         return self.federal_level_category == FederalLevelCategory.UNLISTED
 
+    def is_build_and_not_empty(self):
+        return (len(self.groupstage_set.all()) > 0 or len(self.round_set.all()) > 0) and len(self.teamregistration_set.all()) >= 4
+
 class MatchGroup:
     def __init__(self, name, matches):
         self.name = name