added a since parameter to the hanchan queries to return only hanchans since the give date and time

src/mahjong_ranking/managers.py

@@ -13,7 +13,7 @@ class HanchanManager(models.Manager):
     """
     use_for_related_fields = True
 
-    def confirmed_hanchans(self, user=None, until=None, **filter_args):
+    def confirmed_hanchans(self, user=None, since=None, until=None, **filter_args):
         """ Return all valid and confirmed Hanchans. 
         
         :param user: Only return Hanchans where this user participated.  
@@ -24,11 +24,13 @@ class HanchanManager(models.Manager):
             return self.user_hanchans(user, confirmed=True, until=until,
                                       **filter_args)
         hanchans = self.filter(confirmed=True, **filter_args)
+        if since:
+            hanchans = hanchans.filter(start__gt=since)
         if until:
             hanchans = hanchans.filter(start__lte=until)
         return hanchans
 
-    def dan_hanchans(self, user, **filter_args):
+    def dan_hanchans(self, user, since = None, **filter_args):
         """ Return all Hanchans where a specific user has participated and had 
         gain dan points and make his gamestats availabale.
 
@@ -42,11 +44,13 @@ class HanchanManager(models.Manager):
             models.Q(player3=user, player3_dan_points__isnull=False) |
             models.Q(player4=user, player4_dan_points__isnull=False)
         ).filter(confirmed=True, **filter_args)
+        if since:
+            queryset = queryset.filter(start__gt=since)
         queryset = queryset.select_related().order_by('-start')
         [hanchan.get_playerdata(user) for hanchan in queryset]
         return queryset
 
-    def kyu_hanchans(self, user, **filter_args):
+    def kyu_hanchans(self, user, since = None, **filter_args):
         """ Return all Hanchans where a specific user has participated and had 
         gain kyū points and make his gamestats availabale.
 
@@ -60,6 +64,8 @@ class HanchanManager(models.Manager):
             models.Q(player3=user, player3_kyu_points__isnull=False) |
             models.Q(player4=user, player4_kyu_points__isnull=False)
         ).filter(confirmed=True, **filter_args)
+        if since:
+            queryset = queryset.filter(start__gt=since)
         queryset = queryset.select_related().order_by('-start')
         [hanchan.get_playerdata(user) for hanchan in queryset]
         return queryset