2024-08-07 11:18:05 +00:00
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from typing import List
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2024-08-09 06:37:06 +00:00
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from sqlalchemy.orm import aliased, joinedload, selectinload
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2024-08-07 11:18:05 +00:00
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from sqlalchemy.sql import union
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2024-07-15 22:06:43 +00:00
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from sqlalchemy.sql.expression import (
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and_,
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asc,
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case,
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desc,
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distinct,
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func,
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nulls_last,
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select,
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text,
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)
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2024-08-09 06:37:06 +00:00
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2023-12-17 20:30:20 +00:00
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from orm.author import Author, AuthorFollower
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from orm.reaction import Reaction, ReactionKind
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2024-08-09 06:37:06 +00:00
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from orm.shout import Shout, ShoutAuthor, ShoutReactionsFollower, ShoutTopic
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2023-12-17 20:30:20 +00:00
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from orm.topic import Topic, TopicFollower
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2024-02-28 16:24:05 +00:00
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from resolvers.topic import get_topics_random
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2023-10-23 14:47:11 +00:00
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from services.auth import login_required
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2023-10-09 21:34:51 +00:00
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from services.db import local_session
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2023-11-23 23:00:28 +00:00
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from services.schema import query
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2024-01-29 01:41:46 +00:00
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from services.search import search_text
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2024-08-07 10:15:58 +00:00
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from services.viewed import ViewedStorage
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2024-08-09 06:37:06 +00:00
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from utils.logger import root_logger as logger
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2024-08-07 11:54:13 +00:00
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2024-08-08 13:10:45 +00:00
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2024-10-23 08:22:07 +00:00
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def query_shouts(slug=None, shout_id=None):
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2024-08-07 08:35:59 +00:00
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"""
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2024-08-07 14:45:22 +00:00
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Базовый запрос для получения публикаций с подзапросами статистики, авторов и тем,
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2024-08-08 13:10:31 +00:00
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с агрегацией в строку.
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2024-08-07 08:35:59 +00:00
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2024-08-08 15:56:49 +00:00
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:param slug: Опциональный параметр для фильтрации по slug.
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2024-10-23 08:22:07 +00:00
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:param shout_id: Опциональный параметр для фильтрации по shout_id.
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2024-08-08 13:10:31 +00:00
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:return: Запрос для получения публикаций, aliased_reaction:
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2024-08-07 08:35:59 +00:00
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"""
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aliased_reaction = aliased(Reaction)
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2024-08-07 14:45:22 +00:00
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# Подзапрос для уникальных авторов, объединенных в строку
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2024-08-07 11:54:13 +00:00
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authors_subquery = (
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select(
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2024-08-07 12:36:05 +00:00
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ShoutAuthor.shout.label("shout_id"),
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2024-08-07 14:45:22 +00:00
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func.string_agg(
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func.concat_ws(
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";",
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func.concat("id:", Author.id),
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func.concat("name:", Author.name),
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func.concat("slug:", Author.slug),
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func.concat("pic:", Author.pic),
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func.concat("caption:", ShoutAuthor.caption), # Добавлено поле caption
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2024-08-07 14:45:22 +00:00
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),
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" | ",
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).label("authors"), # Используем символ | как разделитель
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)
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2024-08-07 12:36:05 +00:00
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.join(Author, ShoutAuthor.author == Author.id)
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.group_by(ShoutAuthor.shout)
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2024-08-07 11:54:13 +00:00
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.subquery()
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)
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2024-08-07 11:41:22 +00:00
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2024-08-08 15:56:49 +00:00
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# Подзапрос для уникальных тем, объединенных в строку (включая main_topic_slug)
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2024-08-07 11:54:13 +00:00
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topics_subquery = (
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select(
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2024-08-07 12:36:05 +00:00
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ShoutTopic.shout.label("shout_id"),
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2024-08-07 14:45:22 +00:00
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func.string_agg(
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func.concat_ws(
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";",
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func.concat("id:", Topic.id),
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func.concat("title:", Topic.title),
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func.concat("slug:", Topic.slug),
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2024-08-07 14:53:59 +00:00
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func.concat("is_main:", ShoutTopic.main),
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),
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" | ",
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).label("topics"), # Используем символ | как разделитель
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func.max(case((ShoutTopic.main.is_(True), Topic.slug))).label(
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"main_topic_slug"
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), # Получение основного топика
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)
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2024-08-07 12:36:05 +00:00
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.join(Topic, ShoutTopic.topic == Topic.id)
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.group_by(ShoutTopic.shout)
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2024-08-07 11:54:13 +00:00
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.subquery()
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)
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2024-08-07 11:41:22 +00:00
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2024-10-14 06:37:40 +00:00
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# Подзапросы для каждого счетчика
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comments_subquery = (
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select(func.count(distinct(aliased_reaction.id)).label("comments_count"))
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2024-10-14 09:19:30 +00:00
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.where(
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and_(
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aliased_reaction.shout == Shout.id,
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aliased_reaction.kind == ReactionKind.COMMENT.value,
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aliased_reaction.deleted_at.is_(None),
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)
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)
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2024-10-14 06:37:40 +00:00
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.scalar_subquery()
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2024-10-14 07:47:38 +00:00
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.correlate(Shout)
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2024-10-14 06:37:40 +00:00
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)
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2024-10-14 09:19:30 +00:00
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2024-10-14 06:37:40 +00:00
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# followers_subquery = (
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# select(func.count(distinct(ShoutReactionsFollower.follower)).label("followers_count"))
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# .where(ShoutReactionsFollower.shout == Shout.id)
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# .scalar_subquery()
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# )
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rating_subquery = (
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2024-10-14 09:19:30 +00:00
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select(
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func.sum(
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case(
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(aliased_reaction.kind == ReactionKind.LIKE.value, 1),
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(aliased_reaction.kind == ReactionKind.DISLIKE.value, -1),
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else_=0,
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)
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).label("rating")
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)
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.where(
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and_(
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aliased_reaction.shout == Shout.id,
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aliased_reaction.reply_to.is_(None),
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aliased_reaction.deleted_at.is_(None),
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2024-10-14 06:37:40 +00:00
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)
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2024-10-14 09:19:30 +00:00
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)
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2024-10-14 06:37:40 +00:00
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.scalar_subquery()
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2024-10-14 07:47:38 +00:00
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.correlate(Shout)
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)
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2024-10-14 09:19:30 +00:00
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2024-08-07 11:49:15 +00:00
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# Основной запрос с использованием подзапросов
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2024-08-07 09:38:15 +00:00
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q = (
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2024-08-07 08:35:59 +00:00
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select(
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2024-08-07 09:38:15 +00:00
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Shout,
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2024-10-14 06:37:40 +00:00
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comments_subquery.label("comments_stat"),
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rating_subquery.label("rating_stat"),
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2024-08-07 08:35:59 +00:00
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func.max(aliased_reaction.created_at).label("last_reacted_at"),
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2024-08-07 12:36:05 +00:00
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authors_subquery.c.authors.label("authors"),
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topics_subquery.c.topics.label("topics"),
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2024-08-08 15:57:03 +00:00
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topics_subquery.c.main_topic_slug.label("main_topic_slug"),
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2024-08-07 08:35:59 +00:00
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)
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2024-08-09 05:17:40 +00:00
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.outerjoin(aliased_reaction, and_(aliased_reaction.shout == Shout.id, aliased_reaction.deleted_at.is_(None)))
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2024-08-07 11:41:22 +00:00
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.outerjoin(authors_subquery, authors_subquery.c.shout_id == Shout.id)
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.outerjoin(topics_subquery, topics_subquery.c.shout_id == Shout.id)
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2024-08-08 15:56:49 +00:00
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.outerjoin(ShoutReactionsFollower, ShoutReactionsFollower.shout == Shout.id)
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2024-03-28 12:56:32 +00:00
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.where(and_(Shout.published_at.is_not(None), Shout.deleted_at.is_(None)))
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2024-08-08 15:57:03 +00:00
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.group_by(Shout.id, authors_subquery.c.authors, topics_subquery.c.topics, topics_subquery.c.main_topic_slug)
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2024-08-07 08:52:07 +00:00
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)
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2024-08-08 15:56:49 +00:00
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if slug:
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q = q.where(Shout.slug == slug)
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2024-10-23 08:22:07 +00:00
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elif shout_id:
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q = q.where(Shout.id == shout_id)
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2024-08-08 15:56:49 +00:00
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2024-08-07 08:52:07 +00:00
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return q, aliased_reaction
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2024-08-07 08:35:59 +00:00
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2024-08-08 14:36:20 +00:00
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2024-08-08 14:39:37 +00:00
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def parse_aggregated_string(aggregated_str, model_class):
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2024-08-07 14:52:23 +00:00
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"""
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2024-08-08 14:39:37 +00:00
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Преобразует строку, полученную из string_agg, обратно в список объектов.
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2024-08-07 14:52:23 +00:00
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:param aggregated_str: Строка, содержащая агрегированные данные.
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2024-08-08 14:39:37 +00:00
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:param model_class: Класс модели, экземпляры которой нужно создать.
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:return: Список объектов модели.
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2024-08-07 14:52:23 +00:00
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"""
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if not aggregated_str:
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return []
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items = []
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2024-08-08 13:20:45 +00:00
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for item_str in aggregated_str.split(" | "):
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2024-08-07 15:13:40 +00:00
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item_data = {}
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for field in item_str.split(";"):
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if ":" in field:
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key, value = field.split(":", 1)
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item_data[key] = value
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else:
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2024-08-08 13:10:31 +00:00
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logger.error(f"Некорректный формат поля: {field}")
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2024-08-07 15:13:40 +00:00
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continue
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2024-08-08 15:06:06 +00:00
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# Фильтрация item_data, чтобы использовать только допустимые поля модели
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filtered_data = {k: v for k, v in item_data.items() if hasattr(model_class, k)}
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# Создание экземпляра модели на основе фильтрованного словаря
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item_object = model_class(**filtered_data)
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# Добавление синтетического поля, если оно присутствует в item_data
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2024-08-08 15:57:03 +00:00
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if "is_main" in item_data:
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item_object.is_main = item_data["is_main"] == "True" # Преобразование в логическое значение
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2024-08-08 15:06:06 +00:00
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2024-08-08 14:39:37 +00:00
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items.append(item_object)
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2024-08-07 14:52:23 +00:00
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return items
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2024-08-08 13:10:45 +00:00
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2024-08-07 08:35:59 +00:00
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def get_shouts_with_stats(q, limit, offset=0, author_id=None):
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"""
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2024-08-07 09:29:51 +00:00
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Получение публикаций со статистикой, и подзапросами авторов и тем.
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2024-08-07 08:35:59 +00:00
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:param q: Запрос
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:param limit: Ограничение на количество результатов.
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:param offset: Смещение для пагинации.
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:return: Список публикаций с включенной статистикой.
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"""
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# Основной запрос для получения публикаций и объединения их с подзапросами
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2024-08-07 10:15:58 +00:00
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q = (
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q.options(
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selectinload(Shout.authors), # Eagerly load authors
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selectinload(Shout.topics), # Eagerly load topics
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)
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.limit(limit)
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.offset(offset)
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)
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2024-08-07 08:35:59 +00:00
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2024-08-07 09:38:15 +00:00
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# Выполнение запроса и обработка результатов
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2024-08-07 08:35:59 +00:00
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with local_session() as session:
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2024-08-07 09:23:56 +00:00
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results = session.execute(q, {"author_id": author_id}).all() if author_id else session.execute(q).all()
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2024-08-07 08:35:59 +00:00
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# Формирование списка публикаций с их данными
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shouts = []
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2024-10-14 06:23:11 +00:00
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for [
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shout,
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comments_stat,
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# followers_stat,
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rating_stat,
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last_reacted_at,
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authors,
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topics,
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main_topic_slug,
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] in results:
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2024-08-08 14:39:37 +00:00
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shout.authors = parse_aggregated_string(authors, Author)
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shout.topics = parse_aggregated_string(topics, Topic)
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shout.stat = {
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"viewed": ViewedStorage.get_shout(shout.id),
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# "followed": followers_stat or 0,
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"rating": rating_stat or 0,
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"commented": comments_stat or 0,
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"last_reacted_at": last_reacted_at,
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|
|
|
|
}
|
2024-08-08 15:56:49 +00:00
|
|
|
|
shout.main_topic = main_topic_slug # Присваиваем основной топик
|
2024-08-07 08:35:59 +00:00
|
|
|
|
shouts.append(shout)
|
|
|
|
|
|
|
|
|
|
return shouts
|
2024-03-25 17:28:58 +00:00
|
|
|
|
|
2024-08-08 13:10:45 +00:00
|
|
|
|
|
2024-03-25 17:28:58 +00:00
|
|
|
|
def filter_my(info, session, q):
|
2024-08-07 08:35:59 +00:00
|
|
|
|
"""
|
|
|
|
|
Фильтрация публикаций, основанная на подписках пользователя.
|
|
|
|
|
|
|
|
|
|
:param info: Информация о контексте GraphQL.
|
|
|
|
|
:param session: Сессия базы данных.
|
|
|
|
|
:param q: Исходный запрос для публикаций.
|
|
|
|
|
:return: Фильтрованный запрос.
|
|
|
|
|
"""
|
2024-04-19 15:22:07 +00:00
|
|
|
|
user_id = info.context.get("user_id")
|
|
|
|
|
reader_id = info.context.get("author", {}).get("id")
|
|
|
|
|
if user_id and reader_id:
|
2024-05-30 04:12:00 +00:00
|
|
|
|
reader_followed_authors = select(AuthorFollower.author).where(AuthorFollower.follower == reader_id)
|
|
|
|
|
reader_followed_topics = select(TopicFollower.topic).where(TopicFollower.follower == reader_id)
|
2024-08-07 08:35:59 +00:00
|
|
|
|
reader_followed_shouts = select(ShoutReactionsFollower.shout).where(
|
|
|
|
|
ShoutReactionsFollower.follower == reader_id
|
|
|
|
|
)
|
2024-04-19 15:22:07 +00:00
|
|
|
|
|
|
|
|
|
subquery = (
|
|
|
|
|
select(Shout.id)
|
2024-08-07 04:27:56 +00:00
|
|
|
|
.join(ShoutAuthor, ShoutAuthor.shout == Shout.id)
|
|
|
|
|
.join(ShoutTopic, ShoutTopic.shout == Shout.id)
|
2024-08-07 08:35:59 +00:00
|
|
|
|
.where(
|
|
|
|
|
ShoutAuthor.author.in_(reader_followed_authors)
|
|
|
|
|
| ShoutTopic.topic.in_(reader_followed_topics)
|
|
|
|
|
| Shout.id.in_(reader_followed_shouts)
|
|
|
|
|
)
|
2024-04-19 15:22:07 +00:00
|
|
|
|
)
|
|
|
|
|
q = q.filter(Shout.id.in_(subquery))
|
2024-03-25 17:28:58 +00:00
|
|
|
|
return q, reader_id
|
|
|
|
|
|
2024-08-08 13:10:45 +00:00
|
|
|
|
|
2024-01-25 19:41:27 +00:00
|
|
|
|
def apply_filters(q, filters, author_id=None):
|
2024-08-07 08:35:59 +00:00
|
|
|
|
"""
|
|
|
|
|
Применение фильтров к запросу.
|
|
|
|
|
|
|
|
|
|
:param q: Исходный запрос.
|
|
|
|
|
:param filters: Словарь фильтров.
|
|
|
|
|
:param author_id: Идентификатор автора (опционально).
|
|
|
|
|
:return: Запрос с примененными фильтрами.
|
|
|
|
|
"""
|
2024-03-25 17:41:28 +00:00
|
|
|
|
if isinstance(filters, dict):
|
2024-04-17 15:32:23 +00:00
|
|
|
|
if filters.get("reacted"):
|
2024-04-25 09:19:42 +00:00
|
|
|
|
q = q.join(
|
|
|
|
|
Reaction,
|
|
|
|
|
and_(
|
|
|
|
|
Reaction.shout == Shout.id,
|
|
|
|
|
Reaction.created_by == author_id,
|
|
|
|
|
),
|
|
|
|
|
)
|
2024-03-25 17:41:28 +00:00
|
|
|
|
|
2024-05-01 02:02:35 +00:00
|
|
|
|
featured_filter = filters.get("featured", "")
|
2024-05-01 02:08:54 +00:00
|
|
|
|
if featured_filter:
|
|
|
|
|
q = q.filter(Shout.featured_at.is_not(None))
|
|
|
|
|
elif "featured" in filters:
|
|
|
|
|
q = q.filter(Shout.featured_at.is_(None))
|
|
|
|
|
else:
|
|
|
|
|
pass
|
2024-04-17 15:32:23 +00:00
|
|
|
|
by_layouts = filters.get("layouts")
|
2024-05-01 02:02:35 +00:00
|
|
|
|
if by_layouts and isinstance(by_layouts, list):
|
2024-03-25 17:41:28 +00:00
|
|
|
|
q = q.filter(Shout.layout.in_(by_layouts))
|
2024-04-17 15:32:23 +00:00
|
|
|
|
by_author = filters.get("author")
|
2024-03-25 17:41:28 +00:00
|
|
|
|
if by_author:
|
|
|
|
|
q = q.filter(Shout.authors.any(slug=by_author))
|
2024-04-17 15:32:23 +00:00
|
|
|
|
by_topic = filters.get("topic")
|
2024-03-25 17:41:28 +00:00
|
|
|
|
if by_topic:
|
|
|
|
|
q = q.filter(Shout.topics.any(slug=by_topic))
|
2024-04-17 15:32:23 +00:00
|
|
|
|
by_after = filters.get("after")
|
2024-03-25 17:41:28 +00:00
|
|
|
|
if by_after:
|
|
|
|
|
ts = int(by_after)
|
|
|
|
|
q = q.filter(Shout.created_at > ts)
|
2022-11-21 08:13:57 +00:00
|
|
|
|
|
2022-11-25 18:31:53 +00:00
|
|
|
|
return q
|
|
|
|
|
|
2024-08-08 13:10:45 +00:00
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("get_shout")
|
2024-10-23 08:22:07 +00:00
|
|
|
|
async def get_shout(_, info, slug: str, shout_id: int):
|
2024-08-07 08:35:59 +00:00
|
|
|
|
"""
|
|
|
|
|
Получение публикации по slug.
|
|
|
|
|
|
|
|
|
|
:param _: Корневой объект запроса (не используется).
|
|
|
|
|
:param info: Информация о контексте GraphQL.
|
|
|
|
|
:param slug: Уникальный идентификатор шута.
|
|
|
|
|
:return: Данные шута с включенной статистикой.
|
|
|
|
|
"""
|
2024-04-26 08:43:22 +00:00
|
|
|
|
try:
|
|
|
|
|
with local_session() as session:
|
2024-08-12 08:00:01 +00:00
|
|
|
|
# Отключение автосохранения
|
|
|
|
|
with session.no_autoflush:
|
2024-10-23 08:22:07 +00:00
|
|
|
|
q, _ = query_shouts(slug)
|
2024-08-12 08:00:01 +00:00
|
|
|
|
results = session.execute(q).first()
|
|
|
|
|
if results:
|
|
|
|
|
[
|
|
|
|
|
shout,
|
|
|
|
|
commented_stat,
|
2024-10-14 06:23:11 +00:00
|
|
|
|
# followers_stat,
|
2024-08-12 08:00:01 +00:00
|
|
|
|
rating_stat,
|
|
|
|
|
last_reaction_at,
|
|
|
|
|
authors,
|
|
|
|
|
topics,
|
|
|
|
|
main_topic_slug,
|
|
|
|
|
] = results
|
|
|
|
|
|
|
|
|
|
shout.stat = {
|
|
|
|
|
"viewed": ViewedStorage.get_shout(shout.id),
|
|
|
|
|
"commented": commented_stat,
|
|
|
|
|
"rating": rating_stat,
|
|
|
|
|
"last_reacted_at": last_reaction_at,
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
# Преобразование строк в объекты Author без их создания
|
|
|
|
|
shout.authors = parse_aggregated_string(authors, Author)
|
|
|
|
|
|
|
|
|
|
# Преобразование строк в объекты Topic без их создания
|
|
|
|
|
shout.topics = parse_aggregated_string(topics, Topic)
|
|
|
|
|
|
|
|
|
|
# Добавляем основной топик, если он существует
|
|
|
|
|
shout.main_topic = main_topic_slug
|
|
|
|
|
|
|
|
|
|
return shout
|
2024-04-26 08:43:22 +00:00
|
|
|
|
except Exception as _exc:
|
|
|
|
|
import traceback
|
2024-08-08 14:36:20 +00:00
|
|
|
|
|
2024-04-26 08:43:22 +00:00
|
|
|
|
logger.error(traceback.format_exc())
|
2024-08-08 13:10:31 +00:00
|
|
|
|
return None
|
2022-11-23 21:53:53 +00:00
|
|
|
|
|
2024-08-08 13:10:45 +00:00
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("load_shouts_by")
|
2023-12-02 22:14:36 +00:00
|
|
|
|
async def load_shouts_by(_, _info, options):
|
2022-11-15 02:36:30 +00:00
|
|
|
|
"""
|
2024-08-07 08:35:59 +00:00
|
|
|
|
Загрузка публикаций с фильтрацией, сортировкой и пагинацией.
|
2022-11-18 00:38:29 +00:00
|
|
|
|
|
2024-08-07 08:35:59 +00:00
|
|
|
|
:param options: Опции фильтрации и сортировки.
|
|
|
|
|
:return: Список публикаций, удовлетворяющих критериям.
|
2022-11-15 02:36:30 +00:00
|
|
|
|
"""
|
2024-08-07 08:35:59 +00:00
|
|
|
|
# Базовый запрос
|
2024-08-07 09:48:57 +00:00
|
|
|
|
q, aliased_reaction = query_shouts()
|
2023-12-02 06:25:08 +00:00
|
|
|
|
|
2024-08-07 08:35:59 +00:00
|
|
|
|
# Применение фильтров
|
2024-04-17 15:32:23 +00:00
|
|
|
|
filters = options.get("filters", {})
|
2024-02-02 12:03:44 +00:00
|
|
|
|
q = apply_filters(q, filters)
|
2022-11-25 18:31:53 +00:00
|
|
|
|
|
2024-08-07 08:35:59 +00:00
|
|
|
|
# Сортировка
|
2024-04-17 15:32:23 +00:00
|
|
|
|
order_by = Shout.featured_at if filters.get("featured") else Shout.published_at
|
|
|
|
|
order_str = options.get("order_by")
|
2024-08-07 07:22:37 +00:00
|
|
|
|
if order_str in ["rating", "followers", "comments", "last_reacted_at"]:
|
2024-04-17 15:32:23 +00:00
|
|
|
|
q = q.order_by(desc(text(f"{order_str}_stat")))
|
2024-08-07 08:35:59 +00:00
|
|
|
|
query_order_by = desc(order_by) if options.get("order_by_desc", True) else asc(order_by)
|
|
|
|
|
q = q.order_by(nulls_last(query_order_by))
|
|
|
|
|
else:
|
|
|
|
|
q = q.order_by(Shout.published_at.desc().nulls_last())
|
2023-12-02 06:25:08 +00:00
|
|
|
|
|
2024-08-07 08:35:59 +00:00
|
|
|
|
# Ограничение и смещение
|
2024-04-17 15:32:23 +00:00
|
|
|
|
offset = options.get("offset", 0)
|
|
|
|
|
limit = options.get("limit", 10)
|
2023-12-09 18:15:30 +00:00
|
|
|
|
|
2024-08-07 08:35:59 +00:00
|
|
|
|
return get_shouts_with_stats(q, limit, offset)
|
2023-02-06 14:27:23 +00:00
|
|
|
|
|
2024-03-05 13:59:55 +00:00
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("load_shouts_feed")
|
2024-03-05 15:53:18 +00:00
|
|
|
|
@login_required
|
2023-11-28 07:53:48 +00:00
|
|
|
|
async def load_shouts_feed(_, info, options):
|
2024-08-07 08:35:59 +00:00
|
|
|
|
"""
|
|
|
|
|
Загрузка ленты публикаций для авторизованного пользователя.
|
2023-11-27 18:18:52 +00:00
|
|
|
|
|
2024-08-07 08:35:59 +00:00
|
|
|
|
:param info: Информация о контексте GraphQL.
|
|
|
|
|
:param options: Опции фильтрации и сортировки.
|
|
|
|
|
:return: Список публикаций для ленты.
|
|
|
|
|
"""
|
|
|
|
|
with local_session() as session:
|
2024-08-07 09:48:57 +00:00
|
|
|
|
q, aliased_reaction = query_shouts()
|
2023-11-27 18:18:52 +00:00
|
|
|
|
|
2024-08-07 08:35:59 +00:00
|
|
|
|
# Применение фильтров
|
2024-04-17 15:32:23 +00:00
|
|
|
|
filters = options.get("filters", {})
|
2024-03-25 17:28:58 +00:00
|
|
|
|
if filters:
|
|
|
|
|
q, reader_id = filter_my(info, session, q)
|
|
|
|
|
q = apply_filters(q, filters, reader_id)
|
2023-02-06 14:27:23 +00:00
|
|
|
|
|
2024-08-07 08:35:59 +00:00
|
|
|
|
# Сортировка
|
2024-06-06 08:06:18 +00:00
|
|
|
|
order_by = options.get("order_by")
|
|
|
|
|
order_by = text(order_by) if order_by else Shout.featured_at if filters.get("featured") else Shout.published_at
|
2024-05-30 04:12:00 +00:00
|
|
|
|
query_order_by = desc(order_by) if options.get("order_by_desc", True) else asc(order_by)
|
2024-08-07 08:52:07 +00:00
|
|
|
|
q = q.order_by(nulls_last(query_order_by))
|
2023-02-16 10:08:55 +00:00
|
|
|
|
|
2024-08-07 08:35:59 +00:00
|
|
|
|
# Пагинация
|
2024-04-17 15:32:23 +00:00
|
|
|
|
offset = options.get("offset", 0)
|
|
|
|
|
limit = options.get("limit", 10)
|
2023-02-16 10:08:55 +00:00
|
|
|
|
|
2024-08-07 08:35:59 +00:00
|
|
|
|
return get_shouts_with_stats(q, limit, offset)
|
2023-12-02 22:22:16 +00:00
|
|
|
|
|
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("load_shouts_search")
|
2023-12-02 22:22:16 +00:00
|
|
|
|
async def load_shouts_search(_, _info, text, limit=50, offset=0):
|
2024-08-07 08:35:59 +00:00
|
|
|
|
"""
|
|
|
|
|
Поиск публикаций по тексту.
|
|
|
|
|
|
|
|
|
|
:param text: Строка поиска.
|
|
|
|
|
:param limit: Максимальное количество результатов.
|
|
|
|
|
:param offset: Смещение для пагинации.
|
|
|
|
|
:return: Список публикаций, найденных по тексту.
|
|
|
|
|
"""
|
2024-01-29 06:45:00 +00:00
|
|
|
|
if isinstance(text, str) and len(text) > 2:
|
2024-01-29 07:37:21 +00:00
|
|
|
|
results = await search_text(text, limit, offset)
|
2024-06-02 12:56:17 +00:00
|
|
|
|
scores = {}
|
|
|
|
|
hits_ids = []
|
2024-06-02 12:32:02 +00:00
|
|
|
|
for sr in results:
|
|
|
|
|
shout_id = sr.get("id")
|
|
|
|
|
if shout_id:
|
2024-06-02 14:36:34 +00:00
|
|
|
|
shout_id = str(shout_id)
|
2024-06-02 12:56:17 +00:00
|
|
|
|
scores[shout_id] = sr.get("score")
|
|
|
|
|
hits_ids.append(shout_id)
|
2024-06-02 16:19:30 +00:00
|
|
|
|
|
2024-08-07 09:48:57 +00:00
|
|
|
|
q, aliased_reaction = query_shouts()
|
|
|
|
|
q = q.filter(Shout.id.in_(hits_ids))
|
|
|
|
|
shouts = get_shouts_with_stats(q, limit, offset)
|
2024-08-07 08:35:59 +00:00
|
|
|
|
for shout in shouts:
|
|
|
|
|
shout.score = scores[f"{shout.id}"]
|
|
|
|
|
shouts.sort(key=lambda x: x.score, reverse=True)
|
2024-06-02 14:01:22 +00:00
|
|
|
|
return shouts
|
2024-01-28 21:28:04 +00:00
|
|
|
|
return []
|
2023-12-02 22:22:16 +00:00
|
|
|
|
|
2023-12-16 15:24:30 +00:00
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("load_shouts_unrated")
|
2024-03-25 18:07:32 +00:00
|
|
|
|
@login_required
|
2023-12-22 18:12:42 +00:00
|
|
|
|
async def load_shouts_unrated(_, info, limit: int = 50, offset: int = 0):
|
2024-08-07 08:35:59 +00:00
|
|
|
|
"""
|
|
|
|
|
Загрузка публикаций с наименьшим количеством оценок.
|
|
|
|
|
|
|
|
|
|
:param info: Информация о контексте GraphQL.
|
|
|
|
|
:param limit: Максимальное количество результатов.
|
|
|
|
|
:param offset: Смещение для пагинации.
|
|
|
|
|
:return: Список публикаций с минимальным количеством оценок.
|
|
|
|
|
"""
|
2024-07-18 09:07:53 +00:00
|
|
|
|
author_id = info.context.get("author", {}).get("id")
|
|
|
|
|
if not author_id:
|
|
|
|
|
return []
|
2024-08-07 08:35:59 +00:00
|
|
|
|
q, aliased_reaction = query_shouts()
|
|
|
|
|
|
2024-03-28 12:56:32 +00:00
|
|
|
|
q = (
|
|
|
|
|
q.outerjoin(
|
2024-07-18 09:13:30 +00:00
|
|
|
|
aliased_reaction,
|
2023-12-16 15:24:30 +00:00
|
|
|
|
and_(
|
2024-07-18 09:13:30 +00:00
|
|
|
|
aliased_reaction.shout == Shout.id,
|
|
|
|
|
aliased_reaction.reply_to.is_(None),
|
|
|
|
|
aliased_reaction.created_by != author_id,
|
|
|
|
|
aliased_reaction.kind.in_([ReactionKind.LIKE.value, ReactionKind.DISLIKE.value]),
|
2023-12-16 15:24:30 +00:00
|
|
|
|
),
|
2024-03-28 12:56:32 +00:00
|
|
|
|
)
|
2024-07-18 09:07:53 +00:00
|
|
|
|
.filter(Shout.deleted_at.is_(None))
|
|
|
|
|
.filter(Shout.published_at.is_not(None))
|
2024-03-28 12:56:32 +00:00
|
|
|
|
)
|
2023-12-16 15:24:30 +00:00
|
|
|
|
|
2024-08-07 08:52:07 +00:00
|
|
|
|
q = q.having(func.count(distinct(aliased_reaction.id)) <= 4) # 3 или менее голосов
|
2024-08-07 08:35:59 +00:00
|
|
|
|
q = q.order_by(func.random())
|
2023-12-16 15:24:30 +00:00
|
|
|
|
|
2024-08-07 08:35:59 +00:00
|
|
|
|
return get_shouts_with_stats(q, limit, offset=offset, author_id=author_id)
|
2023-12-16 15:24:30 +00:00
|
|
|
|
|
2024-01-25 19:41:27 +00:00
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("load_shouts_random_top")
|
2024-01-18 11:45:47 +00:00
|
|
|
|
async def load_shouts_random_top(_, _info, options):
|
2023-12-16 15:24:30 +00:00
|
|
|
|
"""
|
2024-08-07 08:35:59 +00:00
|
|
|
|
Загрузка случайных публикаций, упорядоченных по топовым реакциям.
|
|
|
|
|
|
|
|
|
|
:param _info: Информация о контексте GraphQL.
|
|
|
|
|
:param options: Опции фильтрации и сортировки.
|
|
|
|
|
:return: Список случайных публикаций.
|
2023-12-16 15:24:30 +00:00
|
|
|
|
"""
|
|
|
|
|
aliased_reaction = aliased(Reaction)
|
|
|
|
|
|
2024-02-21 07:27:16 +00:00
|
|
|
|
subquery = (
|
2024-05-30 04:12:00 +00:00
|
|
|
|
select(Shout.id).outerjoin(aliased_reaction).where(and_(Shout.deleted_at.is_(None), Shout.layout.is_not(None)))
|
2024-02-21 07:27:16 +00:00
|
|
|
|
)
|
2023-12-16 15:24:30 +00:00
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
subquery = apply_filters(subquery, options.get("filters", {}))
|
2024-03-25 12:03:03 +00:00
|
|
|
|
|
2024-01-25 19:41:27 +00:00
|
|
|
|
subquery = subquery.group_by(Shout.id).order_by(
|
|
|
|
|
desc(
|
2024-01-23 13:04:38 +00:00
|
|
|
|
func.sum(
|
|
|
|
|
case(
|
2024-08-07 08:35:59 +00:00
|
|
|
|
# не учитывать реакции на комментарии
|
2024-03-25 12:31:16 +00:00
|
|
|
|
(aliased_reaction.reply_to.is_not(None), 0),
|
2024-03-25 12:03:03 +00:00
|
|
|
|
(aliased_reaction.kind == ReactionKind.LIKE.value, 1),
|
|
|
|
|
(aliased_reaction.kind == ReactionKind.DISLIKE.value, -1),
|
2024-01-25 19:41:27 +00:00
|
|
|
|
else_=0,
|
2024-01-23 13:04:38 +00:00
|
|
|
|
)
|
|
|
|
|
)
|
2024-03-28 12:56:32 +00:00
|
|
|
|
)
|
2024-01-23 13:04:38 +00:00
|
|
|
|
)
|
2023-12-16 15:24:30 +00:00
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
random_limit = options.get("random_limit", 100)
|
2023-12-17 05:40:05 +00:00
|
|
|
|
if random_limit:
|
|
|
|
|
subquery = subquery.limit(random_limit)
|
2024-08-07 09:48:57 +00:00
|
|
|
|
q, aliased_reaction = query_shouts()
|
|
|
|
|
q = q.filter(Shout.id.in_(subquery))
|
2024-08-07 08:35:59 +00:00
|
|
|
|
q = q.order_by(func.random())
|
2024-04-17 15:32:23 +00:00
|
|
|
|
limit = options.get("limit", 10)
|
2024-08-07 08:35:59 +00:00
|
|
|
|
return get_shouts_with_stats(q, limit)
|
2023-12-22 18:08:37 +00:00
|
|
|
|
|
2023-12-23 19:00:22 +00:00
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("load_shouts_random_topic")
|
2023-12-23 19:00:22 +00:00
|
|
|
|
async def load_shouts_random_topic(_, info, limit: int = 10):
|
2024-08-07 08:35:59 +00:00
|
|
|
|
"""
|
|
|
|
|
Загрузка случайной темы и связанных с ней публикаций.
|
|
|
|
|
|
|
|
|
|
:param info: Информация о контексте GraphQL.
|
|
|
|
|
:param limit: Максимальное количество публикаций.
|
|
|
|
|
:return: Тема и связанные публикации.
|
|
|
|
|
"""
|
2024-02-28 16:24:05 +00:00
|
|
|
|
[topic] = get_topics_random(None, None, 1)
|
|
|
|
|
if topic:
|
2024-08-07 09:48:57 +00:00
|
|
|
|
q, aliased_reaction = query_shouts()
|
|
|
|
|
q = q.filter(Shout.topics.any(slug=topic.slug))
|
2024-08-07 08:52:07 +00:00
|
|
|
|
q = q.order_by(desc(Shout.created_at))
|
2024-08-07 08:35:59 +00:00
|
|
|
|
shouts = get_shouts_with_stats(q, limit)
|
2024-02-28 16:24:05 +00:00
|
|
|
|
if shouts:
|
2024-04-17 15:32:23 +00:00
|
|
|
|
return {"topic": topic, "shouts": shouts}
|
2024-08-07 08:35:59 +00:00
|
|
|
|
return {"error": "failed to get random topic"}
|
2024-07-15 22:06:43 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
@query.field("load_shouts_coauthored")
|
|
|
|
|
@login_required
|
|
|
|
|
async def load_shouts_coauthored(_, info, limit=50, offset=0):
|
2024-08-07 08:35:59 +00:00
|
|
|
|
"""
|
|
|
|
|
Загрузка публикаций, написанных в соавторстве с пользователем.
|
|
|
|
|
|
|
|
|
|
:param info: Информация о контексте GraphQL.
|
|
|
|
|
:param limit: Максимальное количество публикаций.
|
|
|
|
|
:param offset: Смещение для пагинации.
|
|
|
|
|
:return: Список публикаций в соавторстве.
|
|
|
|
|
"""
|
2024-07-15 22:06:43 +00:00
|
|
|
|
author_id = info.context.get("author", {}).get("id")
|
2024-07-18 09:07:53 +00:00
|
|
|
|
if not author_id:
|
|
|
|
|
return []
|
2024-08-08 13:10:31 +00:00
|
|
|
|
q, aliased_reaction = query_shouts()
|
2024-08-07 09:48:57 +00:00
|
|
|
|
q = q.filter(Shout.authors.any(id=author_id))
|
2024-08-07 08:35:59 +00:00
|
|
|
|
return get_shouts_with_stats(q, limit, offset=offset)
|
2024-07-15 22:06:43 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
@query.field("load_shouts_discussed")
|
|
|
|
|
@login_required
|
|
|
|
|
async def load_shouts_discussed(_, info, limit=50, offset=0):
|
2024-08-07 08:35:59 +00:00
|
|
|
|
"""
|
|
|
|
|
Загрузка публикаций, которые обсуждались пользователем.
|
|
|
|
|
|
|
|
|
|
:param info: Информация о контексте GraphQL.
|
|
|
|
|
:param limit: Максимальное количество публикаций.
|
|
|
|
|
:param offset: Смещение для пагинации.
|
|
|
|
|
:return: Список публикаций, обсужденных пользователем.
|
|
|
|
|
"""
|
2024-07-15 22:06:43 +00:00
|
|
|
|
author_id = info.context.get("author", {}).get("id")
|
2024-07-18 09:07:53 +00:00
|
|
|
|
if not author_id:
|
|
|
|
|
return []
|
2024-08-08 13:10:31 +00:00
|
|
|
|
# Подзапрос для поиска идентификаторов публикаций, которые комментировал автор
|
2024-08-07 09:49:25 +00:00
|
|
|
|
reaction_subquery = (
|
|
|
|
|
select(Reaction.shout)
|
2024-08-08 13:10:31 +00:00
|
|
|
|
.distinct() # Убедитесь, что получены уникальные идентификаторы публикаций
|
2024-08-07 09:49:25 +00:00
|
|
|
|
.filter(and_(Reaction.created_by == author_id, Reaction.body.is_not(None)))
|
2024-08-08 13:10:31 +00:00
|
|
|
|
.correlate(Shout) # Убедитесь, что подзапрос правильно связан с основным запросом
|
2024-08-07 09:49:25 +00:00
|
|
|
|
)
|
2024-08-07 09:48:57 +00:00
|
|
|
|
q, aliased_reaction = query_shouts()
|
|
|
|
|
q = q.filter(Shout.id.in_(reaction_subquery))
|
|
|
|
|
return get_shouts_with_stats(q, limit, offset=offset)
|
2024-08-07 11:18:05 +00:00
|
|
|
|
|
2024-08-08 13:10:45 +00:00
|
|
|
|
|
2024-08-07 11:18:05 +00:00
|
|
|
|
async def reacted_shouts_updates(follower_id: int, limit=50, offset=0) -> List[Shout]:
|
|
|
|
|
"""
|
|
|
|
|
Обновляет публикации, на которые подписан автор, с учетом реакций.
|
|
|
|
|
|
|
|
|
|
:param follower_id: Идентификатор подписчика.
|
|
|
|
|
:param limit: Количество публикаций для загрузки.
|
|
|
|
|
:param offset: Смещение для пагинации.
|
|
|
|
|
:return: Список публикаций.
|
|
|
|
|
"""
|
|
|
|
|
shouts: List[Shout] = []
|
|
|
|
|
with local_session() as session:
|
|
|
|
|
author = session.query(Author).filter(Author.id == follower_id).first()
|
|
|
|
|
if author:
|
|
|
|
|
# Публикации, где подписчик является автором
|
|
|
|
|
q1, aliased_reaction1 = query_shouts()
|
|
|
|
|
q1 = q1.filter(Shout.authors.any(id=follower_id))
|
|
|
|
|
|
|
|
|
|
# Публикации, на которые подписчик реагировал
|
|
|
|
|
q2, aliased_reaction2 = query_shouts()
|
|
|
|
|
q2 = q2.options(joinedload(Shout.reactions))
|
|
|
|
|
q2 = q2.filter(Reaction.created_by == follower_id)
|
|
|
|
|
|
|
|
|
|
# Сортировка публикаций по полю `last_reacted_at`
|
|
|
|
|
combined_query = union(q1, q2).order_by(desc(text("last_reacted_at")))
|
|
|
|
|
|
|
|
|
|
# извлечение ожидаемой структуры данных
|
|
|
|
|
shouts = get_shouts_with_stats(combined_query, limit, offset=offset)
|
|
|
|
|
|
|
|
|
|
return shouts
|
|
|
|
|
|
2024-08-08 13:10:45 +00:00
|
|
|
|
|
2024-08-07 11:18:05 +00:00
|
|
|
|
@query.field("load_shouts_followed")
|
|
|
|
|
@login_required
|
|
|
|
|
async def load_shouts_followed(_, info, limit=50, offset=0) -> List[Shout]:
|
|
|
|
|
"""
|
|
|
|
|
Загружает публикации, на которые подписан пользователь.
|
|
|
|
|
|
|
|
|
|
:param info: Информация о контексте GraphQL.
|
|
|
|
|
:param limit: Количество публикаций для загрузки.
|
|
|
|
|
:param offset: Смещение для пагинации.
|
|
|
|
|
:return: Список публикаций.
|
|
|
|
|
"""
|
|
|
|
|
user_id = info.context["user_id"]
|
|
|
|
|
with local_session() as session:
|
|
|
|
|
author = session.query(Author).filter(Author.user == user_id).first()
|
|
|
|
|
if author:
|
|
|
|
|
try:
|
|
|
|
|
author_id: int = author.dict()["id"]
|
|
|
|
|
shouts = await reacted_shouts_updates(author_id, limit, offset)
|
|
|
|
|
return shouts
|
|
|
|
|
except Exception as error:
|
|
|
|
|
logger.debug(error)
|
|
|
|
|
return []
|
|
|
|
|
|
2024-08-08 13:10:45 +00:00
|
|
|
|
|
2024-08-07 11:18:05 +00:00
|
|
|
|
@query.field("load_shouts_followed_by")
|
|
|
|
|
async def load_shouts_followed_by(_, info, slug: str, limit=50, offset=0) -> List[Shout]:
|
|
|
|
|
"""
|
|
|
|
|
Загружает публикации, на которые подписан автор по slug.
|
|
|
|
|
|
|
|
|
|
:param info: Информация о контексте GraphQL.
|
|
|
|
|
:param slug: Slug автора.
|
|
|
|
|
:param limit: Количество публикаций для загрузки.
|
|
|
|
|
:param offset: Смещение для пагинации.
|
|
|
|
|
:return: Список публикаций.
|
|
|
|
|
"""
|
|
|
|
|
with local_session() as session:
|
|
|
|
|
author = session.query(Author).filter(Author.slug == slug).first()
|
|
|
|
|
if author:
|
|
|
|
|
try:
|
|
|
|
|
author_id: int = author.dict()["id"]
|
|
|
|
|
shouts = await reacted_shouts_updates(author_id, limit, offset)
|
|
|
|
|
return shouts
|
|
|
|
|
except Exception as error:
|
|
|
|
|
logger.debug(error)
|
|
|
|
|
return []
|