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[tool.poetry]
name = "adaptive-hockey-federation"
version = "0.1.0"
description = ""
authors = []
readme = "README.md"

[tool.poetry.dependencies]
python = "^3.11"
django = "^4.2.6"

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ivan@ivan-Lenovo-B570e:~/Dev/adaptive_hockey_federation$ git add .
ivan@ivan-Lenovo-B570e:~/Dev/adaptive_hockey_federation$ git commit -m 'Refactoring User'
check docstring is first.................................................Passed
check for merge conflicts................................................Passed
fix end of files.........................................................Passed
trim trailing whitespace.................................................Passed
isort....................................................................Passed
flake8...................................................................Passed
mypy.....................................................................Failed
- hook id: mypy

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    def get_queryset(self):
        queryset = Recipe.objects.select_related('author')

        return queryset.annotate(
            favorit=Exists(queryset.filter(favorite__user=self.request.user, favorite__recipe=OuterRef('id'))),
            shoppings=Exists(queryset.filter(shopping__user=self.request.user, shopping__recipe=OuterRef('id'))),
            )

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class RecipeViewset(viewsets.ModelViewSet):
    '''Представление рецептов'''

    permission_classes = (IsAuthorOrReadOnly | IsAdminOrReadOnly,)
    filter_backends = (DjangoFilterBackend,)
    filterset_class = RecipeFilter

    def get_queryset(self):
        queryset = Recipe.objects.all()

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from django.db.models import Exists
from django_filters import rest_framework as filter

from recipes.models import Recipe
from users.models import User

STATUS_CHOICES = (
    (0, 'false',),
    (1, 'true',),
)

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class RecipeListSerializer(serializers.ModelSerializer):
    '''Сериализация списка рецептов.'''

    tags = TagSerializer(many=True, read_only=True)
    author = CustomUserSerializer(read_only=True)
    ingredients = serializers.SerializerMethodField(read_only=True)
    is_favorited = serializers.BooleanField(default=False, source='favorit')
    is_in_shopping_cart = serializers.BooleanField(default=False, source='shoppings')

    class Meta:

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from django.core.validators import MinValueValidator
from django.db import models

from foodgram_backend.settings import QUERY_SET_LENGTH
from users.models import User


class Ingredient(models.Model):
    name = models.CharField(
        verbose_name='Название ингредиента',

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class RecipeViewset(viewsets.ModelViewSet):
    '''Представление рецептов'''

    filter_backends = (DjangoFilterBackend,)
    filterset_class = RecipeFilter

    def get_queryset(self):
        queryset = Recipe.objects.all()
        return queryset.annotate(
            favorit=Exists(queryset),

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Serialisers.py:

class RecipeListSerializer(serializers.ModelSerializer):
    '''Сериализация списка рецептов.'''

    tags = TagSerializer(many=True, read_only=True)
    author = CustomUserSerializer(read_only=True)
    ingredients = serializers.SerializerMethodField(read_only=True)
    is_favorited = serializers.SerializerMethodField()
    is_in_shopping_cart = serializers.SerializerMethodField()

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views.py:

    def get_queryset(self):
        params = self.request.query_params
        queryset = self.queryset
        if params:
            if 'is_favorited' in params:
                follow_bool = Recipe.objects.filter(
                    favorite__user=self.request.user
                )