2024-06-11 19:46:35 +00:00
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import asyncio
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2023-11-03 10:10:22 +00:00
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import time
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2025-03-22 08:47:19 +00:00
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from typing import Optional
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2023-12-17 20:30:20 +00:00
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2025-03-22 08:47:19 +00:00
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from sqlalchemy import select, text
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2023-10-23 14:47:11 +00:00
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2024-08-07 05:57:56 +00:00
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from cache.cache import (
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2024-05-20 22:40:57 +00:00
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cache_author,
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2025-03-22 08:47:19 +00:00
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cached_query,
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2024-05-20 22:40:57 +00:00
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get_cached_author,
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2024-06-06 08:13:54 +00:00
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get_cached_author_by_user_id,
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2024-05-20 22:40:57 +00:00
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get_cached_author_followers,
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2024-05-30 16:42:38 +00:00
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get_cached_follower_authors,
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get_cached_follower_topics,
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2025-03-22 08:47:19 +00:00
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invalidate_cache_by_prefix,
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2024-05-20 22:40:57 +00:00
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)
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2024-08-12 08:00:01 +00:00
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from orm.author import Author
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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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2023-12-17 20:30:20 +00:00
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from services.db import local_session
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2025-03-22 08:47:19 +00:00
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from services.redis import redis
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2023-12-17 20:30:20 +00:00
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from services.schema import mutation, query
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2024-08-12 08:00:01 +00:00
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from utils.logger import root_logger as logger
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2024-01-13 08:49:12 +00:00
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2025-03-22 08:47:19 +00:00
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DEFAULT_COMMUNITIES = [1]
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# Вспомогательная функция для получения всех авторов без статистики
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async def get_all_authors():
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"""
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Получает всех авторов без статистики.
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Используется для случаев, когда нужен полный список авторов без дополнительной информации.
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Returns:
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list: Список всех авторов без статистики
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"""
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cache_key = "authors:all:basic"
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# Функция для получения всех авторов из БД
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async def fetch_all_authors():
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logger.debug("Получаем список всех авторов из БД и кешируем результат")
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with local_session() as session:
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# Запрос на получение базовой информации об авторах
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authors_query = select(Author).where(Author.deleted_at.is_(None))
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authors = session.execute(authors_query).scalars().all()
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# Преобразуем авторов в словари
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return [author.dict() for author in authors]
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# Используем универсальную функцию для кеширования запросов
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return await cached_query(cache_key, fetch_all_authors)
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# Вспомогательная функция для получения авторов со статистикой с пагинацией
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async def get_authors_with_stats(limit=50, offset=0, by: Optional[str] = None):
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"""
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Получает авторов со статистикой с пагинацией.
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Args:
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limit: Максимальное количество возвращаемых авторов
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offset: Смещение для пагинации
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by: Опциональный параметр сортировки (new/active)
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Returns:
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list: Список авторов с их статистикой
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"""
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# Формируем ключ кеша с помощью универсальной функции
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cache_key = f"authors:stats:limit={limit}:offset={offset}"
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# Функция для получения авторов из БД
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async def fetch_authors_with_stats():
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logger.debug(f"Выполняем запрос на получение авторов со статистикой: limit={limit}, offset={offset}, by={by}")
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with local_session() as session:
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# Базовый запрос для получения авторов
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base_query = select(Author).where(Author.deleted_at.is_(None))
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# Применяем сортировку
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2025-05-25 20:30:12 +00:00
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# vars for statistics sorting
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stats_sort_field = None
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stats_sort_direction = "desc"
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2025-03-22 08:47:19 +00:00
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if by:
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if isinstance(by, dict):
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2025-05-25 20:30:12 +00:00
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logger.debug(f"Processing dict-based sorting: {by}")
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2025-03-22 08:47:19 +00:00
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# Обработка словаря параметров сортировки
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2025-05-25 20:30:12 +00:00
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from sqlalchemy import asc, desc, func
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from orm.shout import ShoutAuthor
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from orm.author import AuthorFollower
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# Checking for order field in the dictionary
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if "order" in by:
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order_value = by["order"]
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logger.debug(f"Found order field with value: {order_value}")
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if order_value in ["shouts", "followers", "rating", "comments"]:
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stats_sort_field = order_value
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stats_sort_direction = "desc" # По умолчанию убывающая сортировка для статистики
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logger.debug(f"Applying statistics-based sorting by: {stats_sort_field}")
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elif order_value == "name":
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# Sorting by name in ascending order
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base_query = base_query.order_by(asc(Author.name))
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logger.debug("Applying alphabetical sorting by name")
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else:
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# If order is not a stats field, treat it as a regular field
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column = getattr(Author, order_value, None)
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if column:
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2025-03-22 08:47:19 +00:00
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base_query = base_query.order_by(desc(column))
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2025-05-25 20:30:12 +00:00
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else:
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# Regular sorting by fields
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for field, direction in by.items():
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column = getattr(Author, field, None)
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if column:
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if direction.lower() == "desc":
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base_query = base_query.order_by(desc(column))
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else:
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base_query = base_query.order_by(column)
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2025-03-22 08:47:19 +00:00
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elif by == "new":
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base_query = base_query.order_by(desc(Author.created_at))
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elif by == "active":
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base_query = base_query.order_by(desc(Author.last_seen))
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else:
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# По умолчанию сортируем по времени создания
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base_query = base_query.order_by(desc(Author.created_at))
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else:
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base_query = base_query.order_by(desc(Author.created_at))
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2025-05-25 20:30:12 +00:00
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# If sorting by statistics, modify the query
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if stats_sort_field == "shouts":
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# Sorting by the number of shouts
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from sqlalchemy import func, and_
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from orm.shout import Shout, ShoutAuthor
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subquery = (
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select(
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ShoutAuthor.author,
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func.count(func.distinct(Shout.id)).label("shouts_count")
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)
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.select_from(ShoutAuthor)
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.join(Shout, ShoutAuthor.shout == Shout.id)
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.where(
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and_(
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Shout.deleted_at.is_(None),
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Shout.published_at.is_not(None)
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)
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)
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.group_by(ShoutAuthor.author)
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.subquery()
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)
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base_query = (
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base_query
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.outerjoin(subquery, Author.id == subquery.c.author)
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.order_by(desc(func.coalesce(subquery.c.shouts_count, 0)))
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)
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elif stats_sort_field == "followers":
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# Sorting by the number of followers
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from sqlalchemy import func
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from orm.author import AuthorFollower
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subquery = (
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select(
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AuthorFollower.author,
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func.count(func.distinct(AuthorFollower.follower)).label("followers_count")
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)
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.select_from(AuthorFollower)
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.group_by(AuthorFollower.author)
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.subquery()
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)
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base_query = (
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base_query
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.outerjoin(subquery, Author.id == subquery.c.author)
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.order_by(desc(func.coalesce(subquery.c.followers_count, 0)))
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)
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2025-03-22 08:47:19 +00:00
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# Применяем лимит и смещение
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base_query = base_query.limit(limit).offset(offset)
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# Получаем авторов
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authors = session.execute(base_query).scalars().all()
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author_ids = [author.id for author in authors]
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if not author_ids:
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return []
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# Оптимизированный запрос для получения статистики по публикациям для авторов
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shouts_stats_query = f"""
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SELECT sa.author, COUNT(DISTINCT s.id) as shouts_count
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FROM shout_author sa
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JOIN shout s ON sa.shout = s.id AND s.deleted_at IS NULL AND s.published_at IS NOT NULL
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WHERE sa.author IN ({",".join(map(str, author_ids))})
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GROUP BY sa.author
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"""
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shouts_stats = {row[0]: row[1] for row in session.execute(text(shouts_stats_query))}
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# Запрос на получение статистики по подписчикам для авторов
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followers_stats_query = f"""
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SELECT author, COUNT(DISTINCT follower) as followers_count
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FROM author_follower
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WHERE author IN ({",".join(map(str, author_ids))})
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GROUP BY author
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"""
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followers_stats = {row[0]: row[1] for row in session.execute(text(followers_stats_query))}
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# Формируем результат с добавлением статистики
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result = []
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for author in authors:
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author_dict = author.dict()
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author_dict["stat"] = {
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"shouts": shouts_stats.get(author.id, 0),
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"followers": followers_stats.get(author.id, 0),
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}
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result.append(author_dict)
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# Кешируем каждого автора отдельно для использования в других функциях
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await cache_author(author_dict)
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return result
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# Используем универсальную функцию для кеширования запросов
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return await cached_query(cache_key, fetch_authors_with_stats)
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# Функция для инвалидации кеша авторов
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async def invalidate_authors_cache(author_id=None):
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"""
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Инвалидирует кеши авторов при изменении данных.
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Args:
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author_id: Опциональный ID автора для точечной инвалидации.
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Если не указан, инвалидируются все кеши авторов.
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"""
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if author_id:
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# Точечная инвалидация конкретного автора
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logger.debug(f"Инвалидация кеша для автора #{author_id}")
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specific_keys = [
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f"author:id:{author_id}",
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f"author:followers:{author_id}",
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f"author:follows-authors:{author_id}",
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f"author:follows-topics:{author_id}",
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f"author:follows-shouts:{author_id}",
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]
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# Получаем user_id автора, если есть
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with local_session() as session:
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author = session.query(Author).filter(Author.id == author_id).first()
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if author and author.user:
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specific_keys.append(f"author:user:{author.user.strip()}")
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# Удаляем конкретные ключи
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for key in specific_keys:
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try:
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await redis.execute("DEL", key)
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logger.debug(f"Удален ключ кеша {key}")
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except Exception as e:
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logger.error(f"Ошибка при удалении ключа {key}: {e}")
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# Также ищем и удаляем ключи коллекций, содержащих данные об этом авторе
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collection_keys = await redis.execute("KEYS", "authors:stats:*")
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if collection_keys:
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await redis.execute("DEL", *collection_keys)
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logger.debug(f"Удалено {len(collection_keys)} коллекционных ключей авторов")
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else:
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# Общая инвалидация всех кешей авторов
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logger.debug("Полная инвалидация кеша авторов")
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await invalidate_cache_by_prefix("authors")
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2023-10-23 14:47:11 +00:00
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2024-04-17 15:32:23 +00:00
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@mutation.field("update_author")
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2023-10-23 14:47:11 +00:00
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@login_required
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2024-02-26 09:14:08 +00:00
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async def update_author(_, info, profile):
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2024-04-17 15:32:23 +00:00
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user_id = info.context.get("user_id")
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2024-03-18 12:01:10 +00:00
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if not user_id:
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2024-04-17 15:32:23 +00:00
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return {"error": "unauthorized", "author": None}
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2024-03-18 12:01:10 +00:00
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try:
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with local_session() as session:
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author = session.query(Author).where(Author.user == user_id).first()
|
|
|
|
|
if author:
|
|
|
|
|
Author.update(author, profile)
|
|
|
|
|
session.add(author)
|
|
|
|
|
session.commit()
|
2024-05-18 11:15:05 +00:00
|
|
|
|
author_query = select(Author).where(Author.user == user_id)
|
2024-06-11 19:46:35 +00:00
|
|
|
|
result = get_with_stat(author_query)
|
|
|
|
|
if result:
|
|
|
|
|
author_with_stat = result[0]
|
|
|
|
|
if isinstance(author_with_stat, Author):
|
|
|
|
|
author_dict = author_with_stat.dict()
|
|
|
|
|
# await cache_author(author_dict)
|
|
|
|
|
asyncio.create_task(cache_author(author_dict))
|
2024-04-17 15:32:23 +00:00
|
|
|
|
return {"error": None, "author": author}
|
2024-03-18 12:01:10 +00:00
|
|
|
|
except Exception as exc:
|
2024-03-18 12:01:43 +00:00
|
|
|
|
import traceback
|
|
|
|
|
|
|
|
|
|
logger.error(traceback.format_exc())
|
2024-04-17 15:32:23 +00:00
|
|
|
|
return {"error": exc, "author": None}
|
2023-10-23 14:47:11 +00:00
|
|
|
|
|
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("get_authors_all")
|
2025-03-22 08:47:19 +00:00
|
|
|
|
async def get_authors_all(_, _info):
|
|
|
|
|
"""
|
|
|
|
|
Получает список всех авторов без статистики.
|
|
|
|
|
|
|
|
|
|
Returns:
|
|
|
|
|
list: Список всех авторов
|
|
|
|
|
"""
|
|
|
|
|
return await get_all_authors()
|
|
|
|
|
|
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("get_author")
|
|
|
|
|
async def get_author(_, _info, slug="", author_id=0):
|
2024-03-14 06:59:38 +00:00
|
|
|
|
author_dict = None
|
2024-02-24 10:22:35 +00:00
|
|
|
|
try:
|
2024-05-30 09:49:46 +00:00
|
|
|
|
author_id = get_author_id_from(slug=slug, user="", author_id=author_id)
|
|
|
|
|
if not author_id:
|
|
|
|
|
raise ValueError("cant find")
|
|
|
|
|
author_dict = await get_cached_author(int(author_id), get_with_stat)
|
2024-05-25 23:17:45 +00:00
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
if not author_dict or not author_dict.get("stat"):
|
2024-05-25 23:17:45 +00:00
|
|
|
|
# update stat from db
|
2024-05-30 09:49:46 +00:00
|
|
|
|
author_query = select(Author).filter(Author.id == author_id)
|
2024-06-11 19:46:35 +00:00
|
|
|
|
result = get_with_stat(author_query)
|
|
|
|
|
if result:
|
|
|
|
|
author_with_stat = result[0]
|
|
|
|
|
if isinstance(author_with_stat, Author):
|
|
|
|
|
author_dict = author_with_stat.dict()
|
|
|
|
|
# await cache_author(author_dict)
|
|
|
|
|
asyncio.create_task(cache_author(author_dict))
|
2024-03-29 11:44:44 +00:00
|
|
|
|
except ValueError:
|
|
|
|
|
pass
|
2024-04-09 19:02:26 +00:00
|
|
|
|
except Exception as exc:
|
2024-02-25 23:07:46 +00:00
|
|
|
|
import traceback
|
2024-04-17 15:32:23 +00:00
|
|
|
|
|
|
|
|
|
logger.error(f"{exc}:\n{traceback.format_exc()}")
|
2024-03-28 17:36:35 +00:00
|
|
|
|
return author_dict
|
2023-12-27 22:37:54 +00:00
|
|
|
|
|
|
|
|
|
|
2024-06-05 20:15:19 +00:00
|
|
|
|
@query.field("get_author_id")
|
|
|
|
|
async def get_author_id(_, _info, user: str):
|
|
|
|
|
user_id = user.strip()
|
2024-04-17 15:32:23 +00:00
|
|
|
|
logger.info(f"getting author id for {user_id}")
|
2024-02-24 10:22:35 +00:00
|
|
|
|
author = None
|
|
|
|
|
try:
|
2024-05-20 23:01:18 +00:00
|
|
|
|
author = await get_cached_author_by_user_id(user_id, get_with_stat)
|
2024-05-20 22:40:57 +00:00
|
|
|
|
if author:
|
|
|
|
|
return author
|
2024-02-24 10:22:35 +00:00
|
|
|
|
|
2024-04-09 08:17:32 +00:00
|
|
|
|
author_query = select(Author).filter(Author.user == user_id)
|
|
|
|
|
result = get_with_stat(author_query)
|
2024-03-04 17:34:11 +00:00
|
|
|
|
if result:
|
2024-06-11 19:46:35 +00:00
|
|
|
|
author_with_stat = result[0]
|
|
|
|
|
if isinstance(author_with_stat, Author):
|
|
|
|
|
author_dict = author_with_stat.dict()
|
|
|
|
|
# await cache_author(author_dict)
|
|
|
|
|
asyncio.create_task(cache_author(author_dict))
|
|
|
|
|
return author_with_stat
|
2024-02-24 10:22:35 +00:00
|
|
|
|
except Exception as exc:
|
2025-03-22 08:47:19 +00:00
|
|
|
|
logger.error(f"Error getting author: {exc}")
|
|
|
|
|
return None
|
2023-10-23 14:47:11 +00:00
|
|
|
|
|
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("load_authors_by")
|
2024-04-30 09:35:51 +00:00
|
|
|
|
async def load_authors_by(_, _info, by, limit, offset):
|
2025-03-22 08:47:19 +00:00
|
|
|
|
"""
|
|
|
|
|
Загружает авторов по заданному критерию с пагинацией.
|
2024-06-06 11:16:16 +00:00
|
|
|
|
|
2025-03-22 08:47:19 +00:00
|
|
|
|
Args:
|
|
|
|
|
by: Критерий сортировки авторов (new/active)
|
|
|
|
|
limit: Максимальное количество возвращаемых авторов
|
|
|
|
|
offset: Смещение для пагинации
|
2024-05-06 17:00:26 +00:00
|
|
|
|
|
2025-03-22 08:47:19 +00:00
|
|
|
|
Returns:
|
|
|
|
|
list: Список авторов с учетом критерия
|
|
|
|
|
"""
|
|
|
|
|
# Используем оптимизированную функцию для получения авторов
|
|
|
|
|
return await get_authors_with_stats(limit, offset, by)
|
2024-03-12 13:18:07 +00:00
|
|
|
|
|
|
|
|
|
|
2024-05-30 04:12:00 +00:00
|
|
|
|
def get_author_id_from(slug="", user=None, author_id=None):
|
2025-03-22 08:47:19 +00:00
|
|
|
|
try:
|
|
|
|
|
author_id = None
|
|
|
|
|
if author_id:
|
|
|
|
|
return author_id
|
|
|
|
|
with local_session() as session:
|
|
|
|
|
author = None
|
|
|
|
|
if slug:
|
|
|
|
|
author = session.query(Author).filter(Author.slug == slug).first()
|
|
|
|
|
if author:
|
|
|
|
|
author_id = author.id
|
|
|
|
|
return author_id
|
|
|
|
|
if user:
|
|
|
|
|
author = session.query(Author).filter(Author.user == user).first()
|
|
|
|
|
if author:
|
|
|
|
|
author_id = author.id
|
|
|
|
|
except Exception as exc:
|
|
|
|
|
logger.error(exc)
|
2024-05-30 04:12:00 +00:00
|
|
|
|
return author_id
|
|
|
|
|
|
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("get_author_follows")
|
|
|
|
|
async def get_author_follows(_, _info, slug="", user=None, author_id=0):
|
2025-03-22 08:47:19 +00:00
|
|
|
|
logger.debug(f"getting follows for @{slug}")
|
|
|
|
|
author_id = get_author_id_from(slug=slug, user=user, author_id=author_id)
|
|
|
|
|
if not author_id:
|
|
|
|
|
return {}
|
2024-03-28 11:09:11 +00:00
|
|
|
|
|
2025-03-22 08:47:19 +00:00
|
|
|
|
followed_authors = await get_cached_follower_authors(author_id)
|
|
|
|
|
followed_topics = await get_cached_follower_topics(author_id)
|
|
|
|
|
|
|
|
|
|
# TODO: Get followed communities too
|
|
|
|
|
return {
|
|
|
|
|
"authors": followed_authors,
|
|
|
|
|
"topics": followed_topics,
|
|
|
|
|
"communities": DEFAULT_COMMUNITIES,
|
|
|
|
|
"shouts": [],
|
|
|
|
|
}
|
2024-02-23 18:10:11 +00:00
|
|
|
|
|
2024-02-24 10:22:35 +00:00
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("get_author_follows_topics")
|
|
|
|
|
async def get_author_follows_topics(_, _info, slug="", user=None, author_id=None):
|
2025-03-22 08:47:19 +00:00
|
|
|
|
logger.debug(f"getting followed topics for @{slug}")
|
|
|
|
|
author_id = get_author_id_from(slug=slug, user=user, author_id=author_id)
|
|
|
|
|
if not author_id:
|
|
|
|
|
return []
|
|
|
|
|
followed_topics = await get_cached_follower_topics(author_id)
|
|
|
|
|
return followed_topics
|
2024-02-23 18:10:11 +00:00
|
|
|
|
|
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("get_author_follows_authors")
|
|
|
|
|
async def get_author_follows_authors(_, _info, slug="", user=None, author_id=None):
|
2025-03-22 08:47:19 +00:00
|
|
|
|
logger.debug(f"getting followed authors for @{slug}")
|
|
|
|
|
author_id = get_author_id_from(slug=slug, user=user, author_id=author_id)
|
|
|
|
|
if not author_id:
|
|
|
|
|
return []
|
|
|
|
|
followed_authors = await get_cached_follower_authors(author_id)
|
|
|
|
|
return followed_authors
|
2023-10-23 14:47:11 +00:00
|
|
|
|
|
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
def create_author(user_id: str, slug: str, name: str = ""):
|
2025-03-22 08:47:19 +00:00
|
|
|
|
author = Author()
|
|
|
|
|
author.user = user_id # Связь с user_id из системы авторизации
|
|
|
|
|
author.slug = slug # Идентификатор из системы авторизации
|
|
|
|
|
author.created_at = author.updated_at = int(time.time())
|
|
|
|
|
author.name = name or slug # если не указано
|
|
|
|
|
|
2023-11-28 19:07:53 +00:00
|
|
|
|
with local_session() as session:
|
2025-03-22 08:47:19 +00:00
|
|
|
|
session.add(author)
|
|
|
|
|
session.commit()
|
|
|
|
|
return author
|
2024-02-21 09:34:12 +00:00
|
|
|
|
|
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("get_author_followers")
|
2024-12-11 18:34:43 +00:00
|
|
|
|
async def get_author_followers(_, _info, slug: str = "", user: str = "", author_id: int = 0):
|
2025-03-22 08:47:19 +00:00
|
|
|
|
logger.debug(f"getting followers for author @{slug} or ID:{author_id}")
|
2024-12-11 18:25:03 +00:00
|
|
|
|
author_id = get_author_id_from(slug=slug, user=user, author_id=author_id)
|
2025-03-22 08:47:19 +00:00
|
|
|
|
if not author_id:
|
|
|
|
|
return []
|
|
|
|
|
followers = await get_cached_author_followers(author_id)
|
2024-05-20 22:40:57 +00:00
|
|
|
|
return followers
|