33 lines
1.9 KiB
Python
33 lines
1.9 KiB
Python
from typing import AsyncIterator, Iterator, List, Tuple
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from shopping.db import ShoppingList, ShoppingListItem, load_shopping_list, purchase, remove_request, request
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from shopping.db import find_items_by_list_id as _find_items_by_list_id, get_purchased_ingredients as _get_purchased_ingredients
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async def get_persons_requests(conn, person_id: int) -> AsyncIterator[ShoppingListItem]:
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async for item in _find_items_by_list_id(conn, None):
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if item.person_id == person_id and item.ingredient_id is not None:
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yield item
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def flatten_items(items: Iterator[ShoppingListItem]) -> Iterator[ShoppingListItem]:
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for item in items:
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if item.meal:
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for mealRecipe in item.meal.recipes:
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for ingredient in mealRecipe.recipe.ingredients:
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yield ShoppingListItem(ingredient=ingredient, meal=item.meal, recipe=mealRecipe.recipe, person_id=item.person_id, created_date=item.created_date)
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for ingredient in item.meal.extra_ingredients:
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yield ShoppingListItem(ingredient=ingredient, meal=item.meal, person_id=item.person_id, created_date=item.created_date)
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else:
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yield item
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async def get_outstanding_requests(conn) -> Tuple[List[ShoppingListItem], List[ShoppingListItem], List[ShoppingListItem]]:
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current_requests = [r async for r in _find_items_by_list_id(conn, None)]
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meal_requests = [r for r in current_requests if r.meal_id is not None and r.meal_id > 0 and r.meal is not None]
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meals = {r.meal_id: r.meal for r in meal_requests}
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purchased_ingredients = {r.ingredient_id async for r in _get_purchased_ingredients(conn, list(meals.keys()))}
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flattened = flatten_items(current_requests)
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outstanding_items = [r for r in flattened if r.ingredient_id not in purchased_ingredients]
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purchased_items = [r for r in flattened if r.ingredient_id in purchased_ingredients]
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return outstanding_items, purchased_items, meal_requests
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