Add DRF serializers, viewsets, what-can-i-cook endpoint, log-cook with pantry deduction

kitchen/serializers.py

@@ -0,0 +1,114 @@
+from rest_framework import serializers
+from .models import (
+    Tag,
+    Ingredient,
+    PantryItem,
+    MetaRecipe,
+    Slot,
+    SlotOption,
+    MetaRecipeBase,
+    Recipe,
+    RecipeIngredient,
+    CookLog,
+    ShoppingListItem,
+)
+
+
+class TagSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Tag
+        fields = "__all__"
+
+
+class IngredientSerializer(serializers.ModelSerializer):
+    tags = TagSerializer(many=True, read_only=True)
+    tag_ids = serializers.PrimaryKeyRelatedField(
+        queryset=Tag.objects.all(), many=True, write_only=True, source="tags", required=False
+    )
+
+    class Meta:
+        model = Ingredient
+        fields = "__all__"
+
+
+class PantryItemSerializer(serializers.ModelSerializer):
+    ingredient_name = serializers.CharField(source="ingredient.name", read_only=True)
+
+    class Meta:
+        model = PantryItem
+        fields = "__all__"
+
+
+# --- Meta-Recipe nested serializers ---
+
+
+class SlotOptionSerializer(serializers.ModelSerializer):
+    ingredient_name = serializers.CharField(source="ingredient.name", read_only=True)
+
+    class Meta:
+        model = SlotOption
+        fields = "__all__"
+
+
+class SlotSerializer(serializers.ModelSerializer):
+    options = SlotOptionSerializer(many=True, read_only=True)
+
+    class Meta:
+        model = Slot
+        fields = "__all__"
+
+
+class MetaRecipeBaseSerializer(serializers.ModelSerializer):
+    ingredient_name = serializers.CharField(source="ingredient.name", read_only=True)
+
+    class Meta:
+        model = MetaRecipeBase
+        fields = "__all__"
+
+
+class MetaRecipeSerializer(serializers.ModelSerializer):
+    slots = SlotSerializer(many=True, read_only=True)
+    base_ingredients = MetaRecipeBaseSerializer(many=True, read_only=True)
+
+    class Meta:
+        model = MetaRecipe
+        fields = "__all__"
+
+
+# --- Fixed Recipe nested serializers ---
+
+
+class RecipeIngredientSerializer(serializers.ModelSerializer):
+    ingredient_name = serializers.CharField(source="ingredient.name", read_only=True)
+
+    class Meta:
+        model = RecipeIngredient
+        fields = "__all__"
+
+
+class RecipeSerializer(serializers.ModelSerializer):
+    ingredients = RecipeIngredientSerializer(many=True, read_only=True)
+
+    class Meta:
+        model = Recipe
+        fields = "__all__"
+
+
+# --- Cook Log & Shopping ---
+
+
+class CookLogSerializer(serializers.ModelSerializer):
+    meta_recipe_name = serializers.CharField(source="meta_recipe.name", read_only=True, default=None)
+    recipe_name = serializers.CharField(source="recipe.name", read_only=True, default=None)
+
+    class Meta:
+        model = CookLog
+        fields = "__all__"
+
+
+class ShoppingListItemSerializer(serializers.ModelSerializer):
+    ingredient_name = serializers.CharField(source="ingredient.name", read_only=True, default=None)
+
+    class Meta:
+        model = ShoppingListItem
+        fields = "__all__"