2024-10-31 18:11:54 +00:00
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import json
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2024-11-01 06:50:19 +00:00
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from sqlalchemy.orm import aliased
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from sqlalchemy.sql.expression import and_, asc, case, desc, func, nulls_last, select
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from orm.author import Author
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2023-12-17 20:30:20 +00:00
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from orm.reaction import Reaction, ReactionKind
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2024-11-01 06:50:19 +00:00
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from orm.shout import Shout, ShoutAuthor, ShoutTopic
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from orm.topic import Topic
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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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2024-10-31 17:28:52 +00:00
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def has_field(info, fieldname: str) -> bool:
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2024-11-01 07:04:32 +00:00
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"""
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Проверяет, запрошено ли поле :fieldname: в GraphQL запросе
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:param info: Информация о контексте GraphQL
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:param fieldname: Имя запрашиваемого поля
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:return: True, если поле запрошено, False в противном случае
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"""
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2024-10-31 17:28:52 +00:00
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field_node = info.field_nodes[0]
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for selection in field_node.selection_set.selections:
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if hasattr(selection, "name") and selection.name.value == fieldname:
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return True
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return False
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def query_with_stat():
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2024-11-01 07:04:32 +00:00
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"""
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добавляет подзапрос статистики
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:return: Запрос с подзапросом статистики.
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"""
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2024-10-31 16:48:06 +00:00
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stats_subquery = (
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2024-10-31 16:06:58 +00:00
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select(
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2024-10-31 17:28:52 +00:00
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Reaction.shout.label("shout_id"),
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func.count(case((Reaction.kind == ReactionKind.COMMENT.value, 1), else_=None)).label("comments_count"),
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2024-10-31 16:06:58 +00:00
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func.sum(
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case(
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(Reaction.kind == ReactionKind.LIKE.value, 1),
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(Reaction.kind == ReactionKind.DISLIKE.value, -1),
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2024-10-31 17:28:52 +00:00
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else_=0,
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2024-10-31 16:06:58 +00:00
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)
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2024-10-31 17:28:52 +00:00
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).label("rating"),
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func.max(case((Reaction.reply_to.is_(None), Reaction.created_at), else_=None)).label("last_reacted_at"),
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2024-10-31 16:06:58 +00:00
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)
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2024-10-31 16:48:06 +00:00
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.where(Reaction.deleted_at.is_(None))
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.group_by(Reaction.shout)
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.subquery()
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2024-10-31 16:11:41 +00:00
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)
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2024-08-07 09:38:15 +00:00
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q = (
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2024-10-31 16:48:06 +00:00
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select(Shout, stats_subquery)
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.outerjoin(stats_subquery, stats_subquery.c.shout_id == Shout.id)
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2024-10-31 17:28:52 +00:00
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.where(and_(Shout.published_at.is_not(None), Shout.deleted_at.is_(None)))
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2024-08-07 08:52:07 +00:00
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)
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2024-10-31 15:28:09 +00:00
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return q
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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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2024-10-31 17:28:52 +00:00
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def get_shouts_with_links(info, q, limit=20, offset=0, author_id=None):
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2024-08-07 08:35:59 +00:00
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"""
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2024-10-31 17:34:25 +00:00
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Оптимизированное получение публикаций с минимизацией количества запросов.
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2024-08-07 08:35:59 +00:00
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"""
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2024-10-31 16:06:58 +00:00
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if author_id:
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q = q.filter(Shout.created_by == author_id)
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2024-10-31 11:09:33 +00:00
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2024-10-31 16:06:58 +00:00
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if limit:
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q = q.limit(limit)
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if offset:
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q = q.offset(offset)
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2024-10-31 10:39:38 +00:00
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2024-10-31 17:34:25 +00:00
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# Предварительно определяем флаги для запрашиваемых полей
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includes_authors = has_field(info, "authors")
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includes_topics = has_field(info, "topics")
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includes_stat = has_field(info, "stat")
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2024-10-31 18:11:54 +00:00
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includes_media = has_field(info, "media")
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# created_by и main_topic
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if has_field(info, "created_by"):
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q = q.outerjoin(Author, Shout.created_by == Author.id).add_columns(
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Author.id.label("main_author_id"),
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Author.name.label("main_author_name"),
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Author.slug.label("main_author_slug"),
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Author.pic.label("main_author_pic"),
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2024-10-31 18:58:24 +00:00
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# Author.caption.label("main_author_caption"),
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2024-10-31 18:11:54 +00:00
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)
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if has_field(info, "main_topic"):
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2024-10-31 18:58:24 +00:00
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q = q.outerjoin(ShoutTopic, and_(ShoutTopic.shout == Shout.id, ShoutTopic.main.is_(True)))
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q = q.outerjoin(Topic, ShoutTopic.topic == Topic.id)
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q = q.add_columns(
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2024-10-31 18:11:54 +00:00
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Topic.id.label("main_topic_id"),
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Topic.title.label("main_topic_title"),
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Topic.slug.label("main_topic_slug"),
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2024-10-31 18:58:24 +00:00
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# func.literal(True).label("main_topic_is_main"),
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2024-10-31 18:11:54 +00:00
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)
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2024-10-31 17:34:25 +00:00
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2024-10-31 11:14:54 +00:00
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with local_session() as session:
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2024-10-31 17:34:25 +00:00
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shouts_result = session.execute(q).scalars().all()
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2024-10-31 16:57:09 +00:00
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if not shouts_result:
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2024-10-31 16:48:06 +00:00
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return []
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2024-10-31 17:34:25 +00:00
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shout_ids = [shout.id for shout in shouts_result]
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authors_and_topics = []
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if includes_authors or includes_topics:
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query = (
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2024-10-31 17:28:52 +00:00
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select(
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ShoutAuthor.shout.label("shout_id"),
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Author.id.label("author_id"),
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Author.name.label("author_name"),
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Author.slug.label("author_slug"),
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Author.pic.label("author_pic"),
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ShoutAuthor.caption.label("author_caption"),
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Topic.id.label("topic_id"),
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Topic.title.label("topic_title"),
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Topic.slug.label("topic_slug"),
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ShoutTopic.main.label("topic_is_main"),
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)
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.outerjoin(Author, ShoutAuthor.author == Author.id)
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.outerjoin(ShoutTopic, ShoutTopic.shout == ShoutAuthor.shout)
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.outerjoin(Topic, ShoutTopic.topic == Topic.id)
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.where(ShoutAuthor.shout.in_(shout_ids))
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2024-10-31 17:34:25 +00:00
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)
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authors_and_topics = session.execute(query).all()
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2024-10-31 17:28:52 +00:00
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2024-11-01 04:51:03 +00:00
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# Создаем словарь для хранения данных публикаций
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shouts_data = {}
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for row in shouts_result:
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2024-11-01 08:57:49 +00:00
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shout_dict = row.dict()
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2024-11-01 04:51:03 +00:00
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shout_dict["authors"] = []
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shout_dict["topics"] = set()
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# Добавляем данные main_author_, если они были запрошены
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if has_field(info, "created_by"):
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main_author = {
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"id": row.main_author_id,
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"name": row.main_author_name or "Аноним",
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"slug": row.main_author_slug or "",
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"pic": row.main_author_pic or "",
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"caption": row.main_author_caption or "",
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}
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shout_dict["created_by"] = main_author
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# Добавляем данные main_topic, если они были запрошены
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if has_field(info, "main_topic"):
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main_topic = {
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"id": row.main_topic_id or 0,
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"title": row.main_topic_title or "",
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"slug": row.main_topic_slug or "",
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# "is_main": True,
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}
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shout_dict["main_topic"] = main_topic
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2024-11-01 08:57:49 +00:00
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shouts_data[row.id] = shout_dict
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2024-10-31 16:48:06 +00:00
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2024-11-01 04:51:03 +00:00
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# Обрабатываем данные authors и topics из дополнительного запроса
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2024-10-31 16:48:06 +00:00
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for row in authors_and_topics:
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2024-11-01 04:51:03 +00:00
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shout_data = shouts_data.get(row.shout_id)
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if not shout_data:
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continue # Пропускаем, если shout не найден
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2024-10-31 17:34:25 +00:00
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if includes_authors:
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author = {
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"id": row.author_id,
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"name": row.author_name,
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"slug": row.author_slug,
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"pic": row.author_pic,
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"caption": row.author_caption,
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}
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if author not in shout_data["authors"]:
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shout_data["authors"].append(author)
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2024-10-31 17:28:52 +00:00
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2024-10-31 17:34:25 +00:00
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if includes_topics and row.topic_id:
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2024-10-31 16:48:06 +00:00
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topic = {
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2024-10-31 17:28:52 +00:00
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"id": row.topic_id,
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"title": row.topic_title,
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"slug": row.topic_slug,
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"is_main": row.topic_is_main,
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2024-10-31 16:06:58 +00:00
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}
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2024-10-31 17:28:52 +00:00
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shout_data["topics"].add(tuple(topic.items()))
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2024-10-31 16:48:06 +00:00
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2024-11-01 04:51:03 +00:00
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# Обрабатываем дополнительные поля и гарантируем наличие main_topic
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2024-10-31 17:34:25 +00:00
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for shout in shouts_data.values():
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2024-10-31 18:11:54 +00:00
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if includes_media:
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shout["media"] = json.dumps(shout.get("media", []))
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2024-10-31 17:34:25 +00:00
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if includes_stat:
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shout_id = shout["id"]
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viewed_stat = ViewedStorage.get_shout(shout_id=shout_id) or 0
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shout["stat"] = {
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"viewed": viewed_stat,
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"commented": shout.get("comments_count", 0),
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"rating": shout.get("rating", 0),
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"last_reacted_at": shout.get("last_reacted_at"),
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}
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2024-11-01 04:51:03 +00:00
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# Гарантируем наличие main_topic, если оно не запрашивалось
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if not has_field(info, "main_topic"):
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if "main_topic" not in shout or not shout["main_topic"]:
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logger.error(f"Shout ID {shout['id']} не имеет основной темы.")
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shout["main_topic"] = {
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"id": 0,
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"title": "Основная тема",
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"slug": "",
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# "is_main": True,
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}
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# Сортировка topics, если они есть
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if shout["topics"]:
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shout["topics"] = sorted(
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[dict(t) for t in shout["topics"]], key=lambda x: (not x.get("is_main", False), x["id"])
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)
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else:
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shout["topics"] = []
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2024-10-31 16:06:58 +00:00
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2024-10-31 17:34:25 +00:00
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return list(shouts_data.values())
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2024-03-25 17:28:58 +00:00
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2024-08-08 13:10:45 +00:00
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2024-11-01 06:50:19 +00:00
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def apply_filters(q, filters):
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2024-08-07 08:35:59 +00:00
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"""
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2024-11-01 06:50:19 +00:00
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Применение общих фильтров к запросу.
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2024-08-07 08:35:59 +00:00
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:param q: Исходный запрос.
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:param filters: Словарь фильтров.
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:return: Запрос с примененными фильтрами.
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"""
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2024-03-25 17:41:28 +00:00
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if isinstance(filters, dict):
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2024-10-24 13:27:16 +00:00
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if "featured" in filters:
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featured_filter = filters.get("featured")
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if featured_filter:
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q = q.filter(Shout.featured_at.is_not(None))
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else:
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q = q.filter(Shout.featured_at.is_(None))
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2024-04-17 15:32:23 +00:00
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by_layouts = filters.get("layouts")
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2024-05-01 02:02:35 +00:00
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if by_layouts and isinstance(by_layouts, list):
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2024-03-25 17:41:28 +00:00
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q = q.filter(Shout.layout.in_(by_layouts))
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2024-04-17 15:32:23 +00:00
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by_author = filters.get("author")
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2024-03-25 17:41:28 +00:00
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if by_author:
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q = q.filter(Shout.authors.any(slug=by_author))
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2024-04-17 15:32:23 +00:00
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by_topic = filters.get("topic")
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2024-03-25 17:41:28 +00:00
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if by_topic:
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q = q.filter(Shout.topics.any(slug=by_topic))
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2024-04-17 15:32:23 +00:00
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by_after = filters.get("after")
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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")
|
2024-10-31 17:28:52 +00:00
|
|
|
|
async def get_shout(_, info, slug="", shout_id=0):
|
2024-08-07 08:35:59 +00:00
|
|
|
|
"""
|
2024-10-31 16:06:58 +00:00
|
|
|
|
Получение публикации по slug или id.
|
2024-08-07 08:35:59 +00:00
|
|
|
|
|
2024-10-31 16:06:58 +00:00
|
|
|
|
:param _: Корневой объект запроса (не используется)
|
2024-10-31 18:11:54 +00:00
|
|
|
|
:param info: Информация о контексте GraphQL
|
2024-10-31 16:06:58 +00:00
|
|
|
|
:param slug: Уникальный идентификатор публикации
|
|
|
|
|
:param shout_id: ID публикации
|
|
|
|
|
:return: Данные публикации с включенной статистикой
|
2024-08-07 08:35:59 +00:00
|
|
|
|
"""
|
2024-04-26 08:43:22 +00:00
|
|
|
|
try:
|
2024-10-31 16:06:58 +00:00
|
|
|
|
# Получаем базовый запрос с подзапросами статистики
|
2024-10-31 17:28:52 +00:00
|
|
|
|
q = query_with_stat()
|
2024-10-31 16:06:58 +00:00
|
|
|
|
|
|
|
|
|
# Применяем фильтр по slug или id
|
|
|
|
|
if slug:
|
|
|
|
|
q = q.where(Shout.slug == slug)
|
|
|
|
|
elif shout_id:
|
|
|
|
|
q = q.where(Shout.id == shout_id)
|
|
|
|
|
else:
|
|
|
|
|
return None
|
2024-08-12 08:00:01 +00:00
|
|
|
|
|
2024-10-31 16:06:58 +00:00
|
|
|
|
# Получаем результат через get_shouts_with_stats с limit=1
|
2024-10-31 17:28:52 +00:00
|
|
|
|
shouts = get_shouts_with_links(info, q, limit=1)
|
2024-08-12 08:00:01 +00:00
|
|
|
|
|
2024-10-31 16:06:58 +00:00
|
|
|
|
# Возвращаем первую (и единственную) публикацию, если она найдена
|
|
|
|
|
return shouts[0] if shouts else None
|
2024-08-08 14:36:20 +00:00
|
|
|
|
|
2024-10-31 16:06:58 +00:00
|
|
|
|
except Exception as exc:
|
|
|
|
|
logger.error(f"Error in get_shout: {exc}", exc_info=True)
|
|
|
|
|
return None
|
2022-11-23 21:53:53 +00:00
|
|
|
|
|
2024-08-08 13:10:45 +00:00
|
|
|
|
|
2024-11-01 06:50:19 +00:00
|
|
|
|
def apply_sorting(q, options):
|
2024-11-01 07:04:32 +00:00
|
|
|
|
"""
|
|
|
|
|
Применение сортировки к запросу.
|
|
|
|
|
|
|
|
|
|
:param q: Исходный запрос.
|
|
|
|
|
:param options: Опции фильтрации и сортировки.
|
|
|
|
|
:return: Запрос с примененной сортировкой.
|
|
|
|
|
"""
|
2024-11-01 06:50:19 +00:00
|
|
|
|
# Определение поля для сортировки
|
|
|
|
|
order_str = options.get("order_by")
|
|
|
|
|
|
|
|
|
|
# Проверка, требуется ли сортировка по одному из статистических полей
|
|
|
|
|
if order_str in ["rating", "comments_count", "last_reacted_at"]:
|
|
|
|
|
# Сортировка по выбранному статистическому полю в указанном порядке
|
|
|
|
|
q = q.order_by(desc(order_str))
|
|
|
|
|
query_order_by = desc(order_str) if options.get("order_by_desc", True) else asc(order_str)
|
|
|
|
|
# Применение сортировки с размещением NULL значений в конце
|
|
|
|
|
q = q.order_by(nulls_last(query_order_by))
|
|
|
|
|
else:
|
|
|
|
|
q = q.order_by(Shout.published_at.desc())
|
|
|
|
|
|
|
|
|
|
return q
|
|
|
|
|
|
|
|
|
|
|
2024-04-17 15:32:23 +00:00
|
|
|
|
@query.field("load_shouts_by")
|
2024-10-31 17:28:52 +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
|
|
|
|
|
2024-11-01 07:04:32 +00:00
|
|
|
|
:param _: Корневой объект запроса (не используется)
|
|
|
|
|
:param info: Информация о контексте GraphQL
|
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
|
|
|
|
"""
|
2024-11-01 06:50:19 +00:00
|
|
|
|
# Базовый запрос: если запрашиваются статистические данные, используем специальный запрос с статистикой
|
2024-10-31 17:28:52 +00:00
|
|
|
|
q = (
|
|
|
|
|
query_with_stat()
|
|
|
|
|
if has_field(info, "stat")
|
|
|
|
|
else select(Shout).filter(and_(Shout.published_at.is_not(None), Shout.deleted_at.is_(None)))
|
|
|
|
|
)
|
2023-12-02 06:25:08 +00:00
|
|
|
|
|
2024-11-01 06:50:19 +00:00
|
|
|
|
filters = options.get("filters")
|
|
|
|
|
if isinstance(filters, dict):
|
|
|
|
|
q = apply_filters(q, filters)
|
2022-11-25 18:31:53 +00:00
|
|
|
|
|
2024-11-01 06:50:19 +00:00
|
|
|
|
q = apply_sorting(q, options)
|
2023-12-02 06:25:08 +00:00
|
|
|
|
|
2024-11-01 06:50:19 +00:00
|
|
|
|
# Установка лимита и смещения для пагинации
|
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
|
|
|
|
|
2024-11-01 06:50:19 +00:00
|
|
|
|
# Передача сформированного запроса в метод получения публикаций с учетом сортировки и пагинации
|
2024-10-31 17:28:52 +00:00
|
|
|
|
return get_shouts_with_links(info, 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_search")
|
2024-11-01 06:50:19 +00:00
|
|
|
|
async def load_shouts_search(_, info, text, options):
|
2024-08-07 08:35:59 +00:00
|
|
|
|
"""
|
|
|
|
|
Поиск публикаций по тексту.
|
|
|
|
|
|
2024-11-01 07:04:32 +00:00
|
|
|
|
:param _: Корневой объект запроса (не используется)
|
|
|
|
|
:param info: Информация о контексте GraphQL
|
2024-08-07 08:35:59 +00:00
|
|
|
|
:param text: Строка поиска.
|
2024-11-01 06:50:19 +00:00
|
|
|
|
:param options: Опции фильтрации и сортировки.
|
2024-08-07 08:35:59 +00:00
|
|
|
|
:return: Список публикаций, найденных по тексту.
|
|
|
|
|
"""
|
2024-11-01 06:50:19 +00:00
|
|
|
|
limit = options.get("limit", 10)
|
|
|
|
|
offset = options.get("offset", 0)
|
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
|
|
|
|
|
2024-10-31 17:28:52 +00:00
|
|
|
|
q = (
|
|
|
|
|
query_with_stat()
|
|
|
|
|
if has_field(info, "stat")
|
|
|
|
|
else select(Shout).filter(and_(Shout.published_at.is_not(None), Shout.deleted_at.is_(None)))
|
|
|
|
|
)
|
2024-08-07 09:48:57 +00:00
|
|
|
|
q = q.filter(Shout.id.in_(hits_ids))
|
2024-11-01 06:50:19 +00:00
|
|
|
|
q = apply_filters(q, options)
|
|
|
|
|
q = apply_sorting(q, options)
|
2024-10-31 17:28:52 +00:00
|
|
|
|
shouts = get_shouts_with_links(info, 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")
|
2024-11-01 06:50:19 +00:00
|
|
|
|
async def load_shouts_unrated(_, info, options):
|
2024-08-07 08:35:59 +00:00
|
|
|
|
"""
|
2024-10-31 16:57:09 +00:00
|
|
|
|
Загрузка публикаций с менее чем 3 реакциями типа LIKE/DISLIKE
|
2024-11-01 07:04:32 +00:00
|
|
|
|
|
|
|
|
|
:param _: Корневой объект запроса (не используется)
|
|
|
|
|
:param info: Информация о контексте GraphQL
|
|
|
|
|
:param options: Опции фильтрации и сортировки.
|
|
|
|
|
:return: Список публикаций.
|
2024-08-07 08:35:59 +00:00
|
|
|
|
"""
|
2024-10-31 16:57:09 +00:00
|
|
|
|
rated_shouts = (
|
|
|
|
|
select(Reaction.shout)
|
2024-10-31 14:47:07 +00:00
|
|
|
|
.where(
|
2023-12-16 15:24:30 +00:00
|
|
|
|
and_(
|
2024-10-31 17:28:52 +00:00
|
|
|
|
Reaction.deleted_at.is_(None), Reaction.kind.in_([ReactionKind.LIKE.value, ReactionKind.DISLIKE.value])
|
2024-10-31 14:47:07 +00:00
|
|
|
|
)
|
2024-03-28 12:56:32 +00:00
|
|
|
|
)
|
2024-10-31 16:57:09 +00:00
|
|
|
|
.group_by(Reaction.shout)
|
2024-10-31 17:28:52 +00:00
|
|
|
|
.having(func.count("*") >= 3)
|
2024-10-31 14:47:07 +00:00
|
|
|
|
.scalar_subquery()
|
2024-03-28 12:56:32 +00:00
|
|
|
|
)
|
2023-12-16 15:24:30 +00:00
|
|
|
|
|
2024-10-31 16:57:09 +00:00
|
|
|
|
q = (
|
|
|
|
|
select(Shout)
|
2024-10-31 17:28:52 +00:00
|
|
|
|
.where(and_(Shout.published_at.is_not(None), Shout.deleted_at.is_(None), ~Shout.id.in_(rated_shouts)))
|
2024-10-31 17:42:09 +00:00
|
|
|
|
# .order_by(desc(Shout.published_at))
|
|
|
|
|
.order_by(func.random())
|
2024-10-31 16:57:09 +00:00
|
|
|
|
)
|
2024-11-01 06:50:19 +00:00
|
|
|
|
limit = options.get("limit", 5)
|
|
|
|
|
offset = options.get("offset", 0)
|
2024-10-31 17:28:52 +00:00
|
|
|
|
return get_shouts_with_links(info, q, limit, offset)
|
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")
|
2024-10-31 17:28:52 +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)
|
|
|
|
|
|
2024-11-01 06:50:19 +00:00
|
|
|
|
subquery = select(Shout.id).outerjoin(aliased_reaction).where(Shout.deleted_at.is_(None))
|
2023-12-16 15:24:30 +00:00
|
|
|
|
|
2024-11-01 06:50:19 +00:00
|
|
|
|
filters = options.get("filters")
|
|
|
|
|
if isinstance(filters, dict):
|
|
|
|
|
subquery = apply_filters(subquery, 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)
|
2024-10-31 17:28:52 +00:00
|
|
|
|
q = (
|
|
|
|
|
query_with_stat()
|
|
|
|
|
if has_field(info, "stat")
|
|
|
|
|
else select(Shout).filter(and_(Shout.published_at.is_not(None), Shout.deleted_at.is_(None)))
|
|
|
|
|
)
|
2024-08-07 09:48:57 +00:00
|
|
|
|
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)
|
2024-10-31 17:28:52 +00:00
|
|
|
|
return get_shouts_with_links(info, q, limit)
|