476 lines
15 KiB
Python
476 lines
15 KiB
Python
import datetime
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from typing import AsyncIterator, List, Optional
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from ingredients import (
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Ingredient,
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delete_ingredients_by_meal_id,
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find_ingredients_by_meal_id,
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insert_ingredient,
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)
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from meals.models import Meal, MealRecipe
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from api.dtos import MemberRef
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from recipes.models import Recipe
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from recipes.repository import load_recipe_ingredients, row_to_recipe
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from .roles import ROLE_CHEF, ROLE_CLEANUP, ROLE_CONSUMER
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async def create(conn):
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await conn.execute(
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"""
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CREATE TABLE IF NOT EXISTS Meal (
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id INTEGER PRIMARY KEY,
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suggested_date DATETIME,
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consumed_date DATETIME DEFAULT NULL,
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deleted_date DATETIME DEFAULT NULL,
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purchase_date DATETIME DEFAULT NULL,
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household_id INTEGER
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);"""
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)
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await conn.execute(
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"""
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CREATE TABLE IF NOT EXISTS MealParticipant (
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meal_id INTEGER,
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person_id INTEGER,
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role TEXT,
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FOREIGN KEY(meal_id) REFERENCES Meal(id),
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FOREIGN KEY(person_id) REFERENCES User(id)
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);"""
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)
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# Useful indexes
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await conn.execute(
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"CREATE INDEX IF NOT EXISTS idx_meal_participants_meal_role ON MealParticipant(meal_id, role);"
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)
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await conn.execute(
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"""
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CREATE TABLE IF NOT EXISTS MealRecipe (
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meal_id INTEGER,
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recipe_id INTEGER,
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servings REAL,
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FOREIGN KEY(meal_id) REFERENCES Meal(id),
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FOREIGN KEY(recipe_id) REFERENCES Recipe(id)
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);"""
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)
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# Index for faster lookup of recipes by meal
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await conn.execute(
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"CREATE INDEX IF NOT EXISTS idx_meal_recipes_meal_id ON MealRecipe(meal_id);"
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)
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# Composite index for household-scoped pagination/lookups
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await conn.execute(
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"CREATE INDEX IF NOT EXISTS idx_meal_household_id_id ON Meal(household_id, id);"
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)
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async def insert_meal_participant(conn, meal_id: int, person_id: int, role: str):
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await conn.execute(
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"""
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INSERT INTO MealParticipant (meal_id, person_id, role)
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VALUES (?, ?, ?)
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""",
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(meal_id, person_id, role),
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)
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async def sync_meal_participants(conn, meal_id: int, participants: List[MemberRef], role: str):
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await conn.execute(
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"""
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DELETE FROM MealParticipant
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WHERE meal_id = ? AND role = ?
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""",
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(meal_id, role),
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)
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for person in participants:
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await insert_meal_participant(conn, meal_id, person.id, role)
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async def insert_meal_recipe(conn, r: MealRecipe):
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if r.meal_id < 0:
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raise ValueError("Meal must be inserted before meal recipe")
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if r.recipe_id < 0 and r.recipe:
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r.recipe_id = r.recipe.id
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if r.recipe_id < 0:
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raise ValueError("Recipe must be inserted before meal")
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await conn.execute(
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"""
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INSERT INTO MealRecipe (meal_id, recipe_id, servings)
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VALUES (?, ?, ?)
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""",
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(r.meal_id, r.recipe_id, r.servings),
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)
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async def insert_meal(conn, meal: Meal):
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async with conn.execute(
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"""
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INSERT INTO Meal (suggested_date)
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VALUES (?)
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""",
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(meal.suggested_date.isoformat(),),
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) as cursor:
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meal.id = cursor.lastrowid
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await sync_meal_participants(conn, meal.id, meal.chefs, ROLE_CHEF)
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await sync_meal_participants(conn, meal.id, meal.cleanup, ROLE_CLEANUP)
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await sync_meal_participants(conn, meal.id, meal.consumers, ROLE_CONSUMER)
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for meal_recipe in meal.recipes:
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meal_recipe.meal_id = meal.id
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await insert_meal_recipe(conn, meal_recipe)
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await sync_extra_ingredients(conn, meal.id, meal.extra_ingredients)
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async def insert_meal_scoped(conn, meal: Meal, household_id: int):
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async with conn.execute(
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"""
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INSERT INTO Meal (suggested_date, household_id)
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VALUES (?, ?)
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""",
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(meal.suggested_date.isoformat(), household_id),
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) as cursor:
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meal.id = cursor.lastrowid
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# Reuse existing syncs (they operate by meal_id)
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await sync_meal_participants(conn, meal.id, meal.chefs, ROLE_CHEF)
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await sync_meal_participants(conn, meal.id, meal.cleanup, ROLE_CLEANUP)
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await sync_meal_participants(conn, meal.id, meal.consumers, ROLE_CONSUMER)
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for meal_recipe in meal.recipes:
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meal_recipe.meal_id = meal.id
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await insert_meal_recipe(conn, meal_recipe)
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await sync_extra_ingredients(conn, meal.id, meal.extra_ingredients)
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async def find_meal_by_id(conn, meal_id: int) -> Optional[Meal]:
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async with conn.execute(
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f"""
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SELECT {",".join(Meal.KEYS)} FROM Meal
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WHERE id = ?
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LIMIT 1
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""",
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(meal_id,),
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) as cursor:
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async for row in cursor:
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meal = Meal(**{k: v for k, v in zip(Meal.KEYS, row)})
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await load_participants(conn, meal)
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await load_recipes(conn, meal)
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await load_extra_ingredients(conn, meal)
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return meal
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return None
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async def find_meal_by_id_scoped(conn, meal_id: int, household_id: int) -> Optional[Meal]:
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async with conn.execute(
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f"""
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SELECT {",".join(Meal.KEYS)} FROM Meal
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WHERE id = ? AND household_id = ?
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LIMIT 1
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""",
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(meal_id, household_id),
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) as cursor:
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async for row in cursor:
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meal = Meal(**{k: v for k, v in zip(Meal.KEYS, row)})
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await load_participants(conn, meal)
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await load_recipes(conn, meal)
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await load_extra_ingredients(conn, meal)
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return meal
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return None
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async def find_upcoming_meals_by_date_range(
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conn, start: datetime.datetime, end: datetime.datetime
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) -> AsyncIterator[Meal]:
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async with conn.execute(
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f"""
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SELECT {",".join(Meal.KEYS)} FROM Meal
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WHERE suggested_date >= ? AND suggested_date <= ? AND consumed_date IS NULL AND deleted_date IS NULL
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""",
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(start, end),
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) as cursor:
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async for row in cursor:
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yield Meal(**{k: v for k, v in zip(Meal.KEYS, row)})
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async def find_upcoming_meals_by_date_range_scoped(
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conn, start: datetime.datetime, end: datetime.datetime, household_id: int
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) -> AsyncIterator[Meal]:
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async with conn.execute(
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f"""
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SELECT {",".join(Meal.KEYS)} FROM Meal
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WHERE suggested_date >= ? AND suggested_date <= ? AND consumed_date IS NULL AND deleted_date IS NULL AND household_id = ?
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""",
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(start, end, household_id),
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) as cursor:
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async for row in cursor:
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yield Meal(**{k: v for k, v in zip(Meal.KEYS, row)})
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async def load_participants(conn, meal: Meal) -> None:
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# Fetch all participant links
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links: list[tuple[int, str]] = []
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async with conn.execute(
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"""
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SELECT person_id, role FROM MealParticipant
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WHERE meal_id = ?
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""",
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(meal.id,),
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) as cursor:
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async for row in cursor:
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links.append((int(row[0]), str(row[1])))
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if not links:
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return
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# Bulk load users by id and build objects with both display_name and name (compat)
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unique_ids = sorted({pid for pid, _ in links})
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people: dict[int, object] = {}
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if unique_ids:
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placeholders = ",".join(["?"] * len(unique_ids))
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async with conn.execute(
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f"SELECT id, display_name FROM User WHERE id IN ({placeholders})",
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unique_ids,
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) as c:
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async for row in c:
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uid, dname = int(row[0]), str(row[1])
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obj = type("_M", (), {})()
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setattr(obj, "id", uid)
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setattr(obj, "display_name", dname)
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setattr(obj, "name", dname)
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people[uid] = obj
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# No legacy Person fallback: tests should seed User rows via fixtures
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for pid, role in links:
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person = people.get(pid)
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if role == ROLE_CHEF:
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if person:
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meal.chefs.append(
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MemberRef(
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id=int(getattr(person, "id")),
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display_name=str(getattr(person, "display_name")),
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)
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)
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elif role == ROLE_CLEANUP:
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if person:
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meal.cleanup.append(
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MemberRef(
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id=int(getattr(person, "id")),
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display_name=str(getattr(person, "display_name")),
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)
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)
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elif role == ROLE_CONSUMER:
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if person:
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meal.consumers.append(
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MemberRef(
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id=int(getattr(person, "id")),
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display_name=str(getattr(person, "display_name")),
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)
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)
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else:
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raise Exception(f"Unknown role: {role}")
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async def bulk_load_participants(conn, meals: List[Meal]) -> None:
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"""Populate participants for many meals in one query to avoid N+1.
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For each meal, fills meal.chefs, meal.cleanup, meal.consumers using a bulk
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lookup of MealParticipant rows and a single user lookup.
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"""
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if not meals:
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return
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meal_ids = [m.id for m in meals]
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placeholders = ",".join(["?"] * len(meal_ids))
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# Collect (meal_id -> [(person_id, role), ...]) and dedupe person IDs
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links_by_meal: dict[int, list[tuple[int, str]]] = {mid: [] for mid in meal_ids}
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person_ids: set[int] = set()
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async with conn.execute(
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f"""
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SELECT meal_id, person_id, role
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FROM MealParticipant
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WHERE meal_id IN ({placeholders})
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""",
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meal_ids,
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) as cursor:
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async for row in cursor:
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mid, pid, role = int(row[0]), int(row[1]), str(row[2])
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links_by_meal.setdefault(mid, []).append((pid, role))
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person_ids.add(pid)
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if not person_ids:
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return
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# Bulk load users once and build objects with both display_name and name
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people: dict[int, object] = {}
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unique_ids = sorted(person_ids)
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if unique_ids:
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placeholders = ",".join(["?"] * len(unique_ids))
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async with conn.execute(
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f"SELECT id, display_name FROM User WHERE id IN ({placeholders})",
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unique_ids,
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) as c:
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async for row in c:
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uid, dname = int(row[0]), str(row[1])
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obj = type("_M", (), {})()
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setattr(obj, "id", uid)
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setattr(obj, "display_name", dname)
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setattr(obj, "name", dname)
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people[uid] = obj
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# No legacy Person fallback: tests should seed User rows via fixtures
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# Assign per meal
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by_id = {m.id: m for m in meals}
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for mid, links in links_by_meal.items():
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meal = by_id.get(mid)
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if not meal:
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continue
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# Reset roles to avoid duplicates
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meal.chefs = []
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meal.cleanup = []
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meal.consumers = []
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for pid, role in links:
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person = people.get(pid)
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if not person:
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continue
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if role == ROLE_CHEF:
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meal.chefs.append(
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MemberRef(
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id=int(getattr(person, "id")),
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display_name=str(getattr(person, "display_name")),
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)
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)
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elif role == ROLE_CLEANUP:
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meal.cleanup.append(
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MemberRef(
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id=int(getattr(person, "id")),
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display_name=str(getattr(person, "display_name")),
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)
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)
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elif role == ROLE_CONSUMER:
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meal.consumers.append(
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MemberRef(
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id=int(getattr(person, "id")),
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display_name=str(getattr(person, "display_name")),
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)
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)
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else:
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raise Exception(f"Unknown role: {role}")
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async def load_recipes(conn, meal: Meal) -> None:
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async with conn.execute(
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f"""
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SELECT {",".join(Recipe.KEYS)}, MealRecipe.servings as requested_servings
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FROM Recipe
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JOIN MealRecipe ON MealRecipe.recipe_id = Recipe.id
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WHERE MealRecipe.meal_id = ?
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""",
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(meal.id,),
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) as cursor:
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async for row in cursor:
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recipe = row_to_recipe(list(zip(Recipe.KEYS, row[:-1])))
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await load_recipe_ingredients(conn, recipe)
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meal.recipes.append(
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MealRecipe(meal_id=meal.id, recipe_id=recipe.id, servings=row[-1], recipe=recipe)
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)
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async def load_extra_ingredients(conn, meal: Meal) -> None:
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async for ingredient in find_ingredients_by_meal_id(conn, meal.id):
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meal.extra_ingredients.append(ingredient)
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async def delete_meal(conn, meal_id: int) -> None:
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await conn.execute(
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"""
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UPDATE Meal
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SET deleted_date = ?
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WHERE id = ?
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""",
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(datetime.datetime.now().astimezone().isoformat(), meal_id),
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)
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async def sync_extra_ingredients(conn, meal_id: int, ingredients: List[Ingredient]) -> None:
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await delete_ingredients_by_meal_id(conn, meal_id)
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for ingredient in ingredients:
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ingredient.meal_id = meal_id
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ingredient.recipe_id = None
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await insert_ingredient(conn, ingredient)
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async def sync_meal_recipes(conn, meal_id: int, recipes: List[MealRecipe]) -> None:
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await conn.execute(
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"""
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DELETE FROM MealRecipe
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WHERE meal_id = ?
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""",
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(meal_id,),
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)
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for meal_recipe in recipes:
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if meal_recipe.meal_id >= 0 and meal_recipe.meal_id != meal_id:
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raise ValueError("Already associated with another meal")
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meal_recipe.meal_id = meal_id
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await insert_meal_recipe(conn, meal_recipe)
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async def update_meal(conn, meal: Meal) -> None:
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await conn.execute(
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"""
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UPDATE Meal
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SET suggested_date = ?
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WHERE id = ?
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""",
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(meal.suggested_date.isoformat(), meal.id),
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)
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await sync_meal_participants(conn, meal.id, meal.chefs, ROLE_CHEF)
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await sync_meal_participants(conn, meal.id, meal.cleanup, ROLE_CLEANUP)
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await sync_meal_participants(conn, meal.id, meal.consumers, ROLE_CONSUMER)
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await sync_extra_ingredients(conn, meal.id, meal.extra_ingredients)
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await sync_meal_recipes(conn, meal.id, meal.recipes)
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async def mark_consumed(conn, meal: Meal, date: datetime.datetime) -> None:
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meal.consumed_date = date
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await conn.execute(
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"""
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UPDATE Meal
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SET consumed_date = ?
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WHERE id = ?
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""",
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(date.isoformat(), meal.id),
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)
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async def mark_purchased(conn, meal: Meal) -> Meal:
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meal.purchase_date = datetime.datetime.now().astimezone()
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await conn.execute(
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"""
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UPDATE Meal
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SET purchase_date = ?
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WHERE id = ?
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""",
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(meal.purchase_date.isoformat(), meal.id),
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)
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return meal
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