all cards of a trade offer are now ordered alphabetically. fixes #12

trades/models.py

@@ -111,6 +111,16 @@ class TradeOffer(models.Model):
         # Returns the list of want_cards (through objects) that still have available quantity.
         return [item for item in self.trade_offer_want_cards.all() if item.quantity > item.qty_accepted]
 
+    @property
+    def have_cards_available_qs(self):
+        # Returns a queryset of TradeOfferHaveCard objects that still have available quantity
+        return self.trade_offer_have_cards.filter(quantity__gt=F("qty_accepted")).select_related("card")
+
+    @property
+    def want_cards_available_qs(self):
+        # Returns a queryset of TradeOfferWantCard objects that still have available quantity
+        return self.trade_offer_want_cards.filter(quantity__gt=F("qty_accepted")).select_related("card")
+
 class TradeOfferHaveCard(models.Model):
     """
     Through model for TradeOffer.have_cards.
@@ -140,6 +150,7 @@ class TradeOfferHaveCard(models.Model):
 
     class Meta:
         unique_together = ("trade_offer", "card")
+        ordering = ['card__name']
 
 class TradeOfferWantCard(models.Model):
     """
@@ -169,6 +180,7 @@ class TradeOfferWantCard(models.Model):
 
     class Meta:
         unique_together = ("trade_offer", "card")
+        ordering = ['card__name']
 
 class TradeAcceptance(models.Model):
     class AcceptanceState(models.TextChoices):