Fix condition text and quantity text

Closes #3
Closes #4

store/views.py

@@ -4,6 +4,8 @@ from django.db.models import Q
 from django.core.paginator import Paginator
 from django.contrib.auth.decorators import login_required
 from .models import Card, Game, Set, Cart, CartItem, CardListing, PackListing, VirtualPack, Order, OrderItem, Seller, Bounty, BountyOffer, SellerReport
+from django.db.models import Sum, Value
+from django.db.models.functions import Coalesce
 from .forms import SellerRegistrationForm, CardListingForm, PackListingForm, AddCardListingForm, SellerEditForm, BountyForm, BountyOfferForm, BulkListingForm
 from django.utils.text import slugify
 import random
@@ -19,6 +21,14 @@ def index(request):
 def card_list(request):
     cards = Card.objects.all().select_related('set', 'set__game').prefetch_related('listings')
     
+    # Annotate with total quantity of listed items
+    cards = cards.annotate(
+        total_quantity=Coalesce(
+            Sum('listings__quantity', filter=Q(listings__status='listed')), 
+            Value(0)
+        )
+    )
+    
     # Filtering
     game_slug = request.GET.get('game')
     if game_slug:
@@ -43,7 +53,7 @@ def card_list(request):
         hide_oos = 'on'
 
     if hide_oos == 'on':
-        cards = cards.filter(listings__quantity__gt=0, listings__status='listed').distinct()
+        cards = cards.filter(total_quantity__gt=0)
 
     # Simple logic: only show cards that have listings or show all? 
     # Let's show all for browsing, but indicate stock.