Simplify from claude

kitchen/helpers.py

@@ -0,0 +1,47 @@
+"""
+Shared kitchen helpers used by both the DRF API views (views.py) and the
+HTMX views (views_htmx.py). Consolidated here to avoid cross-module
+duplication and the views_htmx -> views runtime coupling.
+"""
+from decimal import Decimal
+
+from .models import Ingredient, PantryItem
+
+
+def find_ingredient(name):
+    """Find ingredient by name or alias (case-insensitive)."""
+    # Exact name match
+    try:
+        return Ingredient.objects.get(name__iexact=name)
+    except Ingredient.DoesNotExist:
+        pass
+
+    # Search aliases (JSONField contains). Guard against a falsy aliases value.
+    for ingredient in Ingredient.objects.all():
+        if ingredient.aliases and any(a.lower() == name.lower() for a in ingredient.aliases):
+            return ingredient
+
+    return None
+
+
+def get_pantry_total(ingredient_id):
+    """Get total quantity of an ingredient across all pantry locations."""
+    total = Decimal("0")
+    for item in PantryItem.objects.filter(ingredient_id=ingredient_id, quantity__gt=0):
+        total += item.quantity
+    return total
+
+
+def get_section_key(ingredient):
+    """Determine the canonical (lowercase) shopping section key from an
+    ingredient's tags."""
+    tag_names = set(ingredient.tags.values_list("name", flat=True))
+    if "protein" in tag_names:
+        return "protein"
+    if "veg" in tag_names:
+        return "veg"
+    if "carb" in tag_names:
+        return "carbs"
+    if "dairy" in tag_names:
+        return "dairy"
+    return "other"

kitchen/models.py

@@ -1,3 +1,5 @@
+from datetime import date, timedelta
+
 from django.db import models
 from django.core.exceptions import ValidationError
 
@@ -72,8 +74,6 @@ class PantryItem(models.Model):
         if self.location == self.Location.FRIDGE and self.expiry_date is None:
             # Try to auto-set from ingredient shelf life
             if self.ingredient_id and self.ingredient.shelf_life_days:
-                from datetime import date, timedelta
-
                 self.expiry_date = date.today() + timedelta(days=self.ingredient.shelf_life_days)
             # Don't raise an error — some fridge items just don't have a known expiry
 

kitchen/serializers.py

@@ -29,7 +29,6 @@ class IngredientSerializer(serializers.ModelSerializer):
     class Meta:
         model = Ingredient
         fields = "__all__"
-        # preferences field included via __all__
 
 
 class PantryItemSerializer(serializers.ModelSerializer):

kitchen/views.py

@@ -1,3 +1,4 @@
+import re
 from decimal import Decimal
 from datetime import date, timedelta
 
@@ -33,6 +34,11 @@ from .serializers import (
     CookLogSerializer,
     ShoppingListItemSerializer,
 )
+from .helpers import (
+    find_ingredient as _find_ingredient,
+    get_pantry_total as _get_pantry_total,
+    get_section_key as _get_section,
+)
 
 
 # --- Standard CRUD ViewSets ---
@@ -48,20 +54,16 @@ class IngredientViewSet(viewsets.ModelViewSet):
     queryset = Ingredient.objects.all()
     serializer_class = IngredientSerializer
     permission_classes = [IsAuthenticated]
-    search_fields = ["name", "aliases"]
 
 
 class PantryItemViewSet(viewsets.ModelViewSet):
     queryset = PantryItem.objects.select_related("ingredient").all()
     serializer_class = PantryItemSerializer
     permission_classes = [IsAuthenticated]
-    filterset_fields = ["location", "is_staple"]
 
     @action(detail=False, methods=["get"])
     def expiring(self, request):
         """Items expiring within 3 days."""
-        from datetime import timedelta
-
         cutoff = date.today() + timedelta(days=3)
         items = self.queryset.filter(
             expiry_date__isnull=False,
@@ -127,7 +129,6 @@ class ShoppingListItemViewSet(viewsets.ModelViewSet):
     queryset = ShoppingListItem.objects.select_related("ingredient").all()
     serializer_class = ShoppingListItemSerializer
     permission_classes = [IsAuthenticated]
-    filterset_fields = ["checked"]
 
 
 # --- Create/Update Meta-Recipe (nested) ---
@@ -307,20 +308,22 @@ def what_can_i_cook(request):
     servings = int(request.query_params.get("servings", 2))
 
     # Build pantry lookup: ingredient_id -> list of {quantity, unit, location, expiry}
+    today = date.today()
     pantry = {}
     for item in PantryItem.objects.select_related("ingredient").filter(quantity__gt=0):
         if item.ingredient_id not in pantry:
             pantry[item.ingredient_id] = []
+        is_expired = item.expiry_date and item.expiry_date < today
         pantry[item.ingredient_id].append({
             "quantity": item.quantity,
             "unit": item.unit,
             "location": item.location,
             "expiry_date": item.expiry_date,
-            "is_expired": item.expiry_date and item.expiry_date < date.today(),
+            "is_expired": is_expired,
             "expiring_soon": (
                 item.expiry_date
-                and not (item.expiry_date < date.today())
-                and (item.expiry_date - date.today()).days <= 2
+                and not is_expired
+                and (item.expiry_date - today).days <= 2
             ),
         })
 
@@ -547,16 +550,18 @@ def log_cook(request):
 
 
 def _deduct_ingredient(ingredient, amount, unit):
-    """Deduct an amount from pantry, preferring fridge items first (use oldest first)."""
+    """Deduct an amount from pantry, using items with the earliest expiry first.
+
+    Ordering is purely by ``expiry_date`` across all locations — location is
+    not part of the ordering.
+    """
     remaining = Decimal(str(amount))
     deducted = []
 
-    # Prefer fridge (expires first), then cupboard, then freezer
+    # Earliest expiry first, regardless of location (fridge/cupboard/freezer).
     items = PantryItem.objects.filter(
         ingredient=ingredient, quantity__gt=0
     ).order_by(
-        # Fridge first, then cupboard, then freezer
-        # Within same location, earliest expiry first
         "expiry_date",
     )
 
@@ -684,22 +689,6 @@ def bulk_pantry_add(request):
     return Response({"added": len(results), "results": results}, status=status.HTTP_201_CREATED)
 
 
-def _find_ingredient(name):
-    """Find ingredient by name or alias (case-insensitive)."""
-    # Exact name match
-    try:
-        return Ingredient.objects.get(name__iexact=name)
-    except Ingredient.DoesNotExist:
-        pass
-
-    # Search aliases (JSONField contains)
-    for ingredient in Ingredient.objects.all():
-        if any(alias.lower() == name.lower() for alias in ingredient.aliases):
-            return ingredient
-
-    return None
-
-
 def _is_known_staple(ingredient):
     """Check if an ingredient should be marked as a staple."""
     staple_names = {"onions", "frozen chips", "salt", "black pepper", "olive oil", "paprika", "garlic powder"}
@@ -842,28 +831,6 @@ def generate_shopping_list(request):
     })
 
 
-def _get_pantry_total(ingredient_id):
-    """Get total quantity of an ingredient across all pantry locations."""
-    total = Decimal("0")
-    for item in PantryItem.objects.filter(ingredient_id=ingredient_id, quantity__gt=0):
-        total += item.quantity
-    return total
-
-
-def _get_section(ingredient):
-    """Determine shopping section from ingredient tags."""
-    tag_names = set(ingredient.tags.values_list("name", flat=True))
-    if "protein" in tag_names:
-        return "protein"
-    if "veg" in tag_names:
-        return "veg"
-    if "carb" in tag_names:
-        return "carbs"
-    if "dairy" in tag_names:
-        return "dairy"
-    return "other"
-
-
 # --- Recipe URL Import ---
 
 
@@ -881,6 +848,8 @@ def import_recipe_url(request):
     
     Supports 100+ sites including BBC Good Food, Allrecipes, Jamie Oliver, etc.
     """
+    # Imported lazily so the optional recipe-scrapers/requests dependencies are
+    # only required when this endpoint is actually used.
     from recipe_scrapers import scrape_html
     import requests as req
 
@@ -950,6 +919,5 @@ def _parse_servings(yields_str):
     """Extract number from yields string like '4 servings'."""
     if not yields_str:
         return None
-    import re
     match = re.search(r'(\d+)', str(yields_str))
     return int(match.group(1)) if match else None

kitchen/views_htmx.py

@@ -11,8 +11,12 @@ from django.views.decorators.csrf import csrf_exempt
 from django.views.decorators.http import require_POST, require_http_methods
 
 from .models import (
-    Ingredient, PantryItem, MetaRecipe, Slot, SlotOption,
-    Recipe, CookLog, ShoppingListItem,
+    Ingredient, PantryItem, MetaRecipe, CookLog, ShoppingListItem,
+)
+from .helpers import (
+    find_ingredient as _find_ingredient,
+    get_pantry_total as _get_pantry_total,
+    get_section_key as _get_section,
 )
 
 
@@ -38,25 +42,6 @@ def _pantry_context():
     }
 
 
-def _get_pantry_total(ingredient_id):
-    total = Decimal("0")
-    for item in PantryItem.objects.filter(ingredient_id=ingredient_id, quantity__gt=0):
-        total += item.quantity
-    return total
-
-
-def _find_ingredient(name):
-    """Find ingredient by name or alias (case-insensitive)."""
-    try:
-        return Ingredient.objects.get(name__iexact=name)
-    except Ingredient.DoesNotExist:
-        pass
-    for ingredient in Ingredient.objects.all():
-        if ingredient.aliases and any(a.lower() == name.lower() for a in ingredient.aliases):
-            return ingredient
-    return None
-
-
 # --- Page Views ---
 
 def pantry_page(request):
@@ -164,13 +149,17 @@ def recipes_page(request):
     })
 
 
-def shopping_page(request):
+def _shopping_list_items():
+    """Fetch shopping list items annotated with their display section."""
     items = ShoppingListItem.objects.select_related("ingredient").all()
-    # Add section info
     for item in items:
         item.section = _get_section_for_item(item)
+    return items
+
+
+def shopping_page(request):
     return render(request, "kitchen/shopping.html", {
-        "items": items,
+        "items": _shopping_list_items(),
         "active_tab": "shopping",
     })
 
@@ -305,8 +294,6 @@ def pantry_cancel_edit(request):
 @require_POST
 def shopping_generate(request):
     """Generate smart shopping list and return updated HTML."""
-    from .views import _get_section
-
     staple_count = 0
     expiring_count = 0
     recipe_gap_count = 0
@@ -376,12 +363,10 @@ def shopping_generate(request):
                 },
             )
 
-    items = ShoppingListItem.objects.select_related("ingredient").all()
-    for item in items:
-        item.section = _get_section_for_item(item)
+    items = _shopping_list_items()
 
     summary = {
-        "total": len(set(s["ingredient"] for s in suggestions)),
+        "total": len(seen),
         "staples": staple_count,
         "expiring": expiring_count,
         "recipe_gaps": recipe_gap_count,
@@ -400,31 +385,27 @@ def shopping_toggle(request, item_id):
     item.checked = not item.checked
     item.save(update_fields=["checked"])
 
-    items = ShoppingListItem.objects.select_related("ingredient").all()
-    for i in items:
-        i.section = _get_section_for_item(i)
-    return render(request, "kitchen/partials/shopping_list.html", {"items": items})
+    return render(request, "kitchen/partials/shopping_list.html", {"items": _shopping_list_items()})
 
 
 @csrf_exempt
 @require_POST
 def shopping_clear(request):
     ShoppingListItem.objects.filter(checked=True).delete()
-    items = ShoppingListItem.objects.select_related("ingredient").all()
-    for item in items:
-        item.section = _get_section_for_item(item)
-    return render(request, "kitchen/partials/shopping_list.html", {"items": items})
+    return render(request, "kitchen/partials/shopping_list.html", {"items": _shopping_list_items()})
+
+
+_SECTION_LABELS = {
+    "protein": "Protein",
+    "veg": "Veg",
+    "carbs": "Carbs",
+    "dairy": "Dairy",
+    "other": "Other",
+}
 
 
 def _get_section_for_item(item):
+    """Title-cased, template-facing section label for a ShoppingListItem."""
     if item.ingredient:
-        tag_names = set(item.ingredient.tags.values_list("name", flat=True))
-        if "protein" in tag_names:
-            return "Protein"
-        if "veg" in tag_names:
-            return "Veg"
-        if "carb" in tag_names:
-            return "Carbs"
-        if "dairy" in tag_names:
-            return "Dairy"
+        return _SECTION_LABELS[_get_section(item.ingredient)]
     return "Other"