Add create-meta-recipe endpoint with nested slots/options/bases
- POST /api/create-meta-recipe/ creates full meta-recipe in one call - PUT /api/create-meta-recipe/ updates existing (requires id) - Auto-resolves ingredients by name/alias, creates new if not found - Returns full nested response with _created_ingredients list - New writable serializers: MetaRecipeWriteSerializer, SlotWriteSerializer, etc.
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Caine
@@ -75,6 +75,47 @@ class MetaRecipeSerializer(serializers.ModelSerializer):
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fields = "__all__"
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# --- Writable nested meta-recipe ---
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class SlotOptionWriteSerializer(serializers.Serializer):
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ingredient_name = serializers.CharField()
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ingredient_id = serializers.IntegerField(required=False)
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quantity_per_serving = serializers.DecimalField(max_digits=8, decimal_places=2)
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unit = serializers.CharField()
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notes = serializers.CharField(required=False, default="", allow_blank=True)
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# For auto-creating ingredients
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default_unit = serializers.CharField(required=False)
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tags = serializers.ListField(child=serializers.CharField(), required=False, default=list)
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shelf_life_days = serializers.IntegerField(required=False, allow_null=True, default=None)
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class SlotWriteSerializer(serializers.Serializer):
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name = serializers.CharField()
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required = serializers.BooleanField(default=True)
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max_choices = serializers.IntegerField(default=1)
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options = SlotOptionWriteSerializer(many=True)
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class BaseIngredientWriteSerializer(serializers.Serializer):
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ingredient_name = serializers.CharField()
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ingredient_id = serializers.IntegerField(required=False)
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quantity_per_serving = serializers.DecimalField(max_digits=8, decimal_places=2)
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unit = serializers.CharField()
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class MetaRecipeWriteSerializer(serializers.Serializer):
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name = serializers.CharField()
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method = serializers.CharField()
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prep_time_mins = serializers.IntegerField(required=False, allow_null=True, default=None)
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cook_time_mins = serializers.IntegerField(required=False, allow_null=True, default=None)
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default_servings = serializers.IntegerField(default=2)
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gear_needed = serializers.CharField(required=False, default="", allow_blank=True)
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tags = serializers.ListField(child=serializers.CharField(), required=False, default=list)
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slots = SlotWriteSerializer(many=True, required=False, default=list)
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base_ingredients = BaseIngredientWriteSerializer(many=True, required=False, default=list)
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# --- Fixed Recipe nested serializers ---
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@@ -22,4 +22,5 @@ urlpatterns = [
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path("bulk-pantry-add/", views.bulk_pantry_add, name="bulk-pantry-add"),
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path("generate-shopping-list/", views.generate_shopping_list, name="generate-shopping-list"),
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path("import-recipe/", views.import_recipe_url, name="import-recipe"),
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path("create-meta-recipe/", views.create_meta_recipe, name="create-meta-recipe"),
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]
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@@ -24,6 +24,7 @@ from .serializers import (
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IngredientSerializer,
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PantryItemSerializer,
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MetaRecipeSerializer,
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MetaRecipeWriteSerializer,
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SlotSerializer,
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SlotOptionSerializer,
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MetaRecipeBaseSerializer,
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@@ -129,6 +130,164 @@ class ShoppingListItemViewSet(viewsets.ModelViewSet):
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filterset_fields = ["checked"]
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# --- Create/Update Meta-Recipe (nested) ---
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@api_view(["POST", "PUT"])
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@permission_classes([IsAuthenticated])
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def create_meta_recipe(request):
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"""
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Create or update a full meta-recipe with slots, options, and base ingredients in one call.
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POST creates new. PUT updates (requires "id" in body).
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Body:
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{
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"name": "Baked Pasta",
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"method": "1. Boil pasta\\n2. Mix in tin with veg + sauce\\n3. Oven 25-30 mins",
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"prep_time_mins": 10,
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"cook_time_mins": 30,
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"default_servings": 2,
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"gear_needed": "baking tray",
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"tags": ["easy", "one-tray"],
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"slots": [
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{
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"name": "pasta",
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"required": true,
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"max_choices": 1,
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"options": [
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{"ingredient_name": "gnocchi", "quantity_per_serving": "250", "unit": "g"},
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{"ingredient_name": "orzo", "quantity_per_serving": "100", "unit": "g"}
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]
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}
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],
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"base_ingredients": [
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{"ingredient_name": "olive oil", "quantity_per_serving": "1", "unit": "splash"}
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]
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}
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Ingredients are looked up by name (case-insensitive, checks aliases).
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If not found, they are auto-created. Pass "tags" in an option to tag new ingredients.
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"""
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serializer = MetaRecipeWriteSerializer(data=request.data)
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serializer.is_valid(raise_exception=True)
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data = serializer.validated_data
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if request.method == "PUT":
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meta_id = request.data.get("id")
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if not meta_id:
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return Response({"error": "PUT requires 'id' field"}, status=status.HTTP_400_BAD_REQUEST)
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try:
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meta = MetaRecipe.objects.get(id=meta_id)
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except MetaRecipe.DoesNotExist:
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return Response({"error": f"MetaRecipe {meta_id} not found"}, status=status.HTTP_404_NOT_FOUND)
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# Update fields
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meta.name = data["name"]
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meta.method = data["method"]
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meta.prep_time_mins = data.get("prep_time_mins")
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meta.cook_time_mins = data.get("cook_time_mins")
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meta.default_servings = data.get("default_servings", 2)
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meta.gear_needed = data.get("gear_needed", "")
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meta.tags = data.get("tags", [])
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meta.save()
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# Clear old slots and bases for rebuild
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meta.slots.all().delete()
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meta.base_ingredients.all().delete()
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else:
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meta = MetaRecipe.objects.create(
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name=data["name"],
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method=data["method"],
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prep_time_mins=data.get("prep_time_mins"),
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cook_time_mins=data.get("cook_time_mins"),
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default_servings=data.get("default_servings", 2),
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gear_needed=data.get("gear_needed", ""),
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tags=data.get("tags", []),
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)
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created_ingredients = []
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# Create slots + options
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for slot_data in data.get("slots", []):
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slot = Slot.objects.create(
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meta_recipe=meta,
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name=slot_data["name"],
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required=slot_data.get("required", True),
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max_choices=slot_data.get("max_choices", 1),
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)
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for opt_data in slot_data.get("options", []):
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ingredient, was_created = _resolve_ingredient(
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opt_data.get("ingredient_id"),
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opt_data["ingredient_name"],
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opt_data.get("default_unit", opt_data["unit"]),
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opt_data.get("tags", []),
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opt_data.get("shelf_life_days"),
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)
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if was_created:
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created_ingredients.append(ingredient.name)
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SlotOption.objects.create(
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slot=slot,
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ingredient=ingredient,
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quantity_per_serving=opt_data["quantity_per_serving"],
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unit=opt_data["unit"],
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notes=opt_data.get("notes", ""),
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)
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# Create base ingredients
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for base_data in data.get("base_ingredients", []):
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ingredient, _ = _resolve_ingredient(
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base_data.get("ingredient_id"),
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base_data["ingredient_name"],
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base_data.get("default_unit", base_data["unit"]),
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)
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MetaRecipeBase.objects.create(
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meta_recipe=meta,
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ingredient=ingredient,
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quantity_per_serving=base_data["quantity_per_serving"],
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unit=base_data["unit"],
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)
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# Return the full created recipe
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meta.refresh_from_db()
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result = MetaRecipeSerializer(
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MetaRecipe.objects.prefetch_related(
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"slots__options__ingredient", "base_ingredients__ingredient"
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).get(id=meta.id)
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).data
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result["_created_ingredients"] = created_ingredients
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return Response(result, status=status.HTTP_201_CREATED if request.method == "POST" else status.HTTP_200_OK)
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def _resolve_ingredient(ingredient_id, name, default_unit="items", tag_names=None, shelf_life_days=None):
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"""Find or create an ingredient by ID or name. Returns (ingredient, was_created)."""
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if ingredient_id:
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try:
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return Ingredient.objects.get(id=ingredient_id), False
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except Ingredient.DoesNotExist:
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pass
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# Look up by name/alias
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found = _find_ingredient(name)
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if found:
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return found, False
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# Create new
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ingredient = Ingredient.objects.create(
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name=name.lower(),
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default_unit=default_unit,
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shelf_life_days=shelf_life_days,
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)
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# Add tags if provided
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if tag_names:
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for tag_name in tag_names:
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tag, _ = Tag.objects.get_or_create(name=tag_name.lower())
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ingredient.tags.add(tag)
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return ingredient, True
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# --- What Can I Cook? ---
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