228 lines
10 KiB
Python
228 lines
10 KiB
Python
from typing import List
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from graphql import GraphQLError
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from sqlalchemy import select
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from sqlalchemy.sql import and_
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from cache.cache import (
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cache_author,
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cache_topic,
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get_cached_follower_authors,
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get_cached_follower_topics,
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)
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from auth.orm import Author, AuthorFollower
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from orm.community import Community, CommunityFollower
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from orm.reaction import Reaction
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from orm.shout import Shout, ShoutReactionsFollower
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from orm.topic import Topic, TopicFollower
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from resolvers.stat import get_with_stat
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from services.auth import login_required
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from services.db import local_session
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from services.notify import notify_follower
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from services.schema import mutation, query
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from utils.logger import root_logger as logger
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@mutation.field("follow")
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@login_required
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async def follow(_, info, what, slug="", entity_id=0):
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logger.debug("Начало выполнения функции 'follow'")
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user_id = info.context.get("user_id")
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follower_dict = info.context.get("author")
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logger.debug(f"follower: {follower_dict}")
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if not user_id or not follower_dict:
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return GraphQLError("unauthorized")
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follower_id = follower_dict.get("id")
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logger.debug(f"follower_id: {follower_id}")
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entity_classes = {
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"AUTHOR": (Author, AuthorFollower, get_cached_follower_authors, cache_author),
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"TOPIC": (Topic, TopicFollower, get_cached_follower_topics, cache_topic),
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"COMMUNITY": (Community, CommunityFollower, None, None), # Нет методов кэша для сообщества
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"SHOUT": (Shout, ShoutReactionsFollower, None, None), # Нет методов кэша для shout
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}
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if what not in entity_classes:
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logger.error(f"Неверный тип для следования: {what}")
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return {"error": "invalid follow type"}
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entity_class, follower_class, get_cached_follows_method, cache_method = entity_classes[what]
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entity_type = what.lower()
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entity_dict = None
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try:
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logger.debug("Попытка получить сущность из базы данных")
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with local_session() as session:
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entity_query = select(entity_class).filter(entity_class.slug == slug)
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entities = get_with_stat(entity_query)
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[entity] = entities
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if not entity:
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logger.warning(f"{what.lower()} не найден по slug: {slug}")
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return {"error": f"{what.lower()} not found"}
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if not entity_id and entity:
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entity_id = entity.id
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entity_dict = entity.dict()
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logger.debug(f"entity_id: {entity_id}, entity_dict: {entity_dict}")
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if entity_id:
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logger.debug("Проверка существующей подписки")
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with local_session() as session:
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existing_sub = (
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session.query(follower_class)
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.filter(
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follower_class.follower == follower_id,
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getattr(follower_class, entity_type) == entity_id,
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)
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.first()
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)
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if existing_sub:
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logger.info(
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f"Пользователь {follower_id} уже подписан на {what.lower()} с ID {entity_id}"
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)
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else:
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logger.debug("Добавление новой записи в базу данных")
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sub = follower_class(follower=follower_id, **{entity_type: entity_id})
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logger.debug(f"Создан объект подписки: {sub}")
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session.add(sub)
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session.commit()
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logger.info(f"Пользователь {follower_id} подписался на {what.lower()} с ID {entity_id}")
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follows = None
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if cache_method:
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logger.debug("Обновление кэша")
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await cache_method(entity_dict)
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if get_cached_follows_method:
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logger.debug("Получение подписок из кэша")
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existing_follows = await get_cached_follows_method(follower_id)
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follows = [*existing_follows, entity_dict] if not existing_sub else existing_follows
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logger.debug("Обновлен список подписок")
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if what == "AUTHOR" and not existing_sub:
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logger.debug("Отправка уведомления автору о подписке")
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await notify_follower(follower=follower_dict, author_id=entity_id, action="follow")
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except Exception as exc:
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logger.exception("Произошла ошибка в функции 'follow'")
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return {"error": str(exc)}
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return {f"{what.lower()}s": follows}
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@mutation.field("unfollow")
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@login_required
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async def unfollow(_, info, what, slug="", entity_id=0):
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logger.debug("Начало выполнения функции 'unfollow'")
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user_id = info.context.get("user_id")
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follower_dict = info.context.get("author")
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logger.debug(f"follower: {follower_dict}")
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if not user_id or not follower_dict:
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logger.warning("Неавторизованный доступ при попытке отписаться")
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return {"error": "unauthorized"}
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follower_id = follower_dict.get("id")
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logger.debug(f"follower_id: {follower_id}")
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entity_classes = {
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"AUTHOR": (Author, AuthorFollower, get_cached_follower_authors, cache_author),
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"TOPIC": (Topic, TopicFollower, get_cached_follower_topics, cache_topic),
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"COMMUNITY": (Community, CommunityFollower, None, None), # Нет методов кэша для сообщества
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"SHOUT": (Shout, ShoutReactionsFollower, None, None), # Нет методов кэша для shout
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}
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if what not in entity_classes:
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logger.error(f"Неверный тип для отписки: {what}")
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return {"error": "invalid unfollow type"}
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entity_class, follower_class, get_cached_follows_method, cache_method = entity_classes[what]
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entity_type = what.lower()
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follows = []
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error = None
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try:
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logger.debug("Попытка получить сущность из базы данных")
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with local_session() as session:
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entity = session.query(entity_class).filter(entity_class.slug == slug).first()
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logger.debug(f"Полученная сущность: {entity}")
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if not entity:
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logger.warning(f"{what.lower()} не найден по slug: {slug}")
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return {"error": f"{what.lower()} not found"}
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if entity and not entity_id:
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entity_id = entity.id
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logger.debug(f"entity_id: {entity_id}")
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sub = (
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session.query(follower_class)
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.filter(
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and_(
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getattr(follower_class, "follower") == follower_id,
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getattr(follower_class, entity_type) == entity_id,
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)
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)
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.first()
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)
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logger.debug(f"Найдена подписка для удаления: {sub}")
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if sub:
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session.delete(sub)
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session.commit()
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logger.info(f"Пользователь {follower_id} отписался от {what.lower()} с ID {entity_id}")
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if cache_method:
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logger.debug("Обновление кэша после отписки")
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await cache_method(entity.dict())
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if get_cached_follows_method:
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logger.debug("Получение подписок из кэша")
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existing_follows = await get_cached_follows_method(follower_id)
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follows = filter(lambda x: x["id"] != entity_id, existing_follows)
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logger.debug("Обновлен список подписок")
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if what == "AUTHOR":
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logger.debug("Отправка уведомления автору об отписке")
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await notify_follower(follower=follower_dict, author_id=entity_id, action="unfollow")
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else:
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return {"error": "following was not found", f"{entity_type}s": follows}
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except Exception as exc:
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logger.exception("Произошла ошибка в функции 'unfollow'")
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import traceback
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traceback.print_exc()
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return {"error": str(exc)}
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# logger.debug(f"Функция 'unfollow' завершена успешно с результатом: {entity_type}s={follows}, error={error}")
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return {f"{entity_type}s": follows, "error": error}
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@query.field("get_shout_followers")
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def get_shout_followers(_, _info, slug: str = "", shout_id: int | None = None) -> List[Author]:
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logger.debug("Начало выполнения функции 'get_shout_followers'")
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followers = []
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try:
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with local_session() as session:
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shout = None
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if slug:
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shout = session.query(Shout).filter(Shout.slug == slug).first()
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logger.debug(f"Найден shout по slug: {slug} -> {shout}")
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elif shout_id:
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shout = session.query(Shout).filter(Shout.id == shout_id).first()
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logger.debug(f"Найден shout по ID: {shout_id} -> {shout}")
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if shout:
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reactions = session.query(Reaction).filter(Reaction.shout == shout.id).all()
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logger.debug(f"Полученные реакции для shout ID {shout.id}: {reactions}")
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for r in reactions:
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followers.append(r.created_by)
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logger.debug(f"Добавлен follower: {r.created_by}")
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except Exception as _exc:
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import traceback
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traceback.print_exc()
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logger.exception("Произошла ошибка в функции 'get_shout_followers'")
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return []
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# logger.debug(f"Функция 'get_shout_followers' завершена с {len(followers)} подписчиками")
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return followers
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