feat: migration 0007 - seed canonical ingredients with aliases (recipes follow in P4-14)

backend/alembic/versions/0007_seed_recipes.py

@@ -0,0 +1,140 @@
+"""seed canonical ingredients (and 30 starter recipes in P4-14)
+
+Revision ID: 0007
+Revises: 0006
+Create Date: 2026-05-05
+"""
+from decimal import Decimal
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = "0007"
+down_revision = "0006"
+branch_labels = None
+depends_on = None
+
+
+# Canonical ingredients used by the 30 starter recipes (P4-14 references them
+# by name_lower so this list stays the source of truth for both seed steps).
+INGREDIENTS = [
+    # (name, aliases, aisle, unit, typical_price)
+    ("Chicken Thighs, Boneless Skinless", ["chicken thigh", "BSL chicken thighs"], "meat_seafood", "lb", Decimal("4.99")),
+    ("Chicken Breast, Boneless Skinless", ["chicken breast", "BSL chicken breast"], "meat_seafood", "lb", Decimal("5.99")),
+    ("Ground Beef, 85/15", ["ground beef", "hamburger"], "meat_seafood", "lb", Decimal("6.99")),
+    ("Ground Turkey", ["turkey mince"], "meat_seafood", "lb", Decimal("5.49")),
+    ("Pork Chops, Bone-In", ["pork chop"], "meat_seafood", "lb", Decimal("4.49")),
+    ("Salmon Fillet", ["salmon"], "meat_seafood", "lb", Decimal("12.99")),
+    ("Shrimp, Peeled", ["shrimp"], "meat_seafood", "lb", Decimal("9.99")),
+    ("Eggs, Large", ["egg"], "dairy", "ea", Decimal("0.40")),
+    ("Black Beans, Canned", ["black bean"], "pantry", "can", Decimal("1.29")),
+    ("Chickpeas, Canned", ["garbanzo", "chickpea"], "pantry", "can", Decimal("1.49")),
+
+    ("Yellow Onion", ["onion"], "produce", "ea", Decimal("0.99")),
+    ("Garlic", ["garlic clove"], "produce", "clove", Decimal("0.10")),
+    ("Carrot", ["carrots"], "produce", "ea", Decimal("0.50")),
+    ("Celery", [], "produce", "stalk", Decimal("0.30")),
+    ("Bell Pepper, Red", ["red pepper"], "produce", "ea", Decimal("1.49")),
+    ("Bell Pepper, Green", ["green pepper"], "produce", "ea", Decimal("0.99")),
+    ("Tomato, Roma", ["tomato"], "produce", "ea", Decimal("0.79")),
+    ("Lemon", [], "produce", "ea", Decimal("0.79")),
+    ("Lime", [], "produce", "ea", Decimal("0.50")),
+    ("Cilantro", ["coriander leaf"], "produce", "bunch", Decimal("0.99")),
+    ("Parsley, Italian", ["parsley"], "produce", "bunch", Decimal("0.99")),
+    ("Spinach, Fresh", ["spinach"], "produce", "oz", Decimal("0.40")),
+    ("Broccoli", [], "produce", "lb", Decimal("2.49")),
+    ("Zucchini", [], "produce", "ea", Decimal("0.99")),
+    ("Sweet Potato", [], "produce", "ea", Decimal("1.29")),
+
+    ("Olive Oil", ["EVOO", "extra virgin olive oil"], "pantry", "tbsp", Decimal("0.20")),
+    ("Soy Sauce", [], "pantry", "tbsp", Decimal("0.15")),
+    ("Rice, Long-Grain White", ["white rice", "rice"], "pantry", "cup", Decimal("0.40")),
+    ("Pasta, Penne", ["penne"], "pantry", "lb", Decimal("1.29")),
+    ("Pasta, Spaghetti", ["spaghetti"], "pantry", "lb", Decimal("1.29")),
+    ("Tortilla, Flour", ["flour tortilla"], "pantry", "ea", Decimal("0.30")),
+    ("Tortilla, Corn", ["corn tortilla"], "pantry", "ea", Decimal("0.20")),
+    ("Diced Tomatoes, Canned", ["canned tomato"], "pantry", "can", Decimal("1.49")),
+    ("Chicken Broth", ["chicken stock"], "pantry", "cup", Decimal("0.30")),
+    ("Coconut Milk, Canned", [], "pantry", "can", Decimal("2.49")),
+    ("Salt, Kosher", ["kosher salt"], "pantry", "tsp", Decimal("0.01")),
+    ("Black Pepper", ["pepper"], "pantry", "tsp", Decimal("0.02")),
+    ("Cumin, Ground", ["cumin"], "pantry", "tsp", Decimal("0.10")),
+    ("Paprika, Smoked", ["smoked paprika"], "pantry", "tsp", Decimal("0.10")),
+    ("Italian Seasoning", [], "pantry", "tsp", Decimal("0.10")),
+    ("Curry Powder", [], "pantry", "tsp", Decimal("0.10")),
+    ("Ginger, Fresh", ["ginger root"], "produce", "tbsp", Decimal("0.30")),
+
+    ("Cheddar Cheese, Sharp", ["cheddar"], "dairy", "oz", Decimal("0.40")),
+    ("Mozzarella, Shredded", ["mozzarella"], "dairy", "oz", Decimal("0.45")),
+    ("Parmesan, Grated", ["parm"], "dairy", "tbsp", Decimal("0.20")),
+    ("Sour Cream", [], "dairy", "tbsp", Decimal("0.10")),
+    ("Greek Yogurt, Plain", ["yogurt"], "dairy", "cup", Decimal("1.50")),
+    ("Butter, Unsalted", ["butter"], "dairy", "tbsp", Decimal("0.20")),
+    ("Milk, Whole", ["milk"], "dairy", "cup", Decimal("0.30")),
+
+    ("Avocado", [], "produce", "ea", Decimal("1.49")),
+    ("Salsa, Jarred", ["salsa"], "pantry", "tbsp", Decimal("0.15")),
+]
+
+
+def _upsert_ingredients() -> None:
+    bind = op.get_bind()
+    for name, aliases, aisle, unit, typical_price in INGREDIENTS:
+        bind.execute(
+            sa.text(
+                """
+                INSERT INTO ingredient (id, name, name_lower, aliases, aisle, unit, typical_price)
+                VALUES (
+                    gen_random_uuid(), :name, :name_lower, :aliases, :aisle, :unit, :typical_price
+                )
+                ON CONFLICT (name_lower) DO UPDATE SET
+                    aliases = EXCLUDED.aliases,
+                    aisle = COALESCE(EXCLUDED.aisle, ingredient.aisle),
+                    unit = COALESCE(EXCLUDED.unit, ingredient.unit),
+                    typical_price = COALESCE(EXCLUDED.typical_price, ingredient.typical_price)
+                """
+            ),
+            {
+                "name": name,
+                "name_lower": name.lower(),
+                "aliases": aliases,
+                "aisle": aisle,
+                "unit": unit,
+                "typical_price": typical_price,
+            },
+        )
+
+
+def _insert_recipes() -> None:
+    """Populated in P4-14."""
+    pass
+
+
+def _delete_recipes() -> None:
+    """Populated in P4-14."""
+    pass
+
+
+def _delete_ingredients() -> None:
+    """Best-effort: only remove rows whose name_lower matches one of our seeds.
+    Pre-existing rows from migration 0002 may share names; their aliases/aisle
+    will revert to whatever was in 0002 (NULL aliases pre-0006). For a clean
+    rollback in this scenario, run alembic downgrade past 0002 as well.
+    """
+    bind = op.get_bind()
+    name_lowers = [name.lower() for name, *_ in INGREDIENTS]
+    bind.execute(
+        sa.text("DELETE FROM ingredient WHERE name_lower = ANY(:nl)"),
+        {"nl": name_lowers},
+    )
+
+
+def upgrade() -> None:
+    _upsert_ingredients()
+    _insert_recipes()
+
+
+def downgrade() -> None:
+    _delete_recipes()
+    _delete_ingredients()