441 lines
19 KiB
Python
441 lines
19 KiB
Python
import json
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import time
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from sqlalchemy import and_, desc, select
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from sqlalchemy.orm import joinedload
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from sqlalchemy.sql.functions import coalesce
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from cache.cache import cache_author, cache_topic, invalidate_shout_related_cache, invalidate_shouts_cache
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from orm.author import Author
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from orm.shout import Shout, ShoutAuthor, ShoutTopic
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from orm.topic import Topic
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from resolvers.follower import follow, unfollow
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from resolvers.stat import get_with_stat
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from services.auth import login_required
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from services.db import local_session
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from services.notify import notify_shout
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from services.schema import mutation, query
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from services.search import search_service
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from utils.logger import root_logger as logger
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async def cache_by_id(entity, entity_id: int, cache_method):
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caching_query = select(entity).filter(entity.id == entity_id)
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result = get_with_stat(caching_query)
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if not result or not result[0]:
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logger.warning(f"{entity.__name__} with id {entity_id} not found")
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return
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x = result[0]
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d = x.dict() # convert object to dictionary
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cache_method(d)
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return d
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@query.field("get_my_shout")
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@login_required
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async def get_my_shout(_, info, shout_id: int):
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# logger.debug(info)
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user_id = info.context.get("user_id", "")
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author_dict = info.context.get("author", {})
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author_id = author_dict.get("id")
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roles = info.context.get("roles", [])
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shout = None
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if not user_id or not author_id:
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return {"error": "unauthorized", "shout": None}
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with local_session() as session:
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shout = (
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session.query(Shout)
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.filter(Shout.id == shout_id)
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.options(joinedload(Shout.authors), joinedload(Shout.topics))
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.filter(Shout.deleted_at.is_(None))
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.first()
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)
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if not shout:
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return {"error": "no shout found", "shout": None}
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# Преобразуем media JSON в список объектов MediaItem
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if hasattr(shout, "media") and shout.media:
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if isinstance(shout.media, str):
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try:
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shout.media = json.loads(shout.media)
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except:
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shout.media = []
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if not isinstance(shout.media, list):
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shout.media = [shout.media] if shout.media else []
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else:
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shout.media = []
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logger.debug(f"got {len(shout.authors)} shout authors, created by {shout.created_by}")
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is_editor = "editor" in roles
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logger.debug(f'viewer is{'' if is_editor else ' not'} editor')
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is_creator = author_id == shout.created_by
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logger.debug(f'viewer is{'' if is_creator else ' not'} creator')
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is_author = bool(list(filter(lambda x: x.id == int(author_id), [x for x in shout.authors])))
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logger.debug(f'viewer is{'' if is_creator else ' not'} author')
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can_edit = is_editor or is_author or is_creator
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if not can_edit:
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return {"error": "forbidden", "shout": None}
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logger.debug("got shout editor with data")
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return {"error": None, "shout": shout}
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@query.field("get_shouts_drafts")
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@login_required
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async def get_shouts_drafts(_, info):
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# user_id = info.context.get("user_id")
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author_dict = info.context.get("author")
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if not author_dict:
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return {"error": "author profile was not found"}
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author_id = author_dict.get("id")
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shouts = []
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with local_session() as session:
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if author_id:
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q = (
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select(Shout)
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.options(joinedload(Shout.authors), joinedload(Shout.topics))
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.filter(and_(Shout.deleted_at.is_(None), Shout.created_by == int(author_id)))
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.filter(Shout.published_at.is_(None))
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.order_by(desc(coalesce(Shout.updated_at, Shout.created_at)))
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.group_by(Shout.id)
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)
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shouts = [shout for [shout] in session.execute(q).unique()]
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return {"shouts": shouts}
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@mutation.field("create_shout")
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@login_required
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async def create_shout(_, info, inp):
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logger.info(f"Starting create_shout with input: {inp}")
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user_id = info.context.get("user_id")
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author_dict = info.context.get("author")
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logger.debug(f"Context user_id: {user_id}, author: {author_dict}")
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if not author_dict:
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logger.error("Author profile not found in context")
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return {"error": "author profile was not found"}
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author_id = author_dict.get("id")
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if user_id and author_id:
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try:
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with local_session() as session:
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author_id = int(author_id)
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current_time = int(time.time())
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slug = inp.get("slug") or f"draft-{current_time}"
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logger.info(f"Creating shout with input: {inp}")
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# Создаем публикацию без topics
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new_shout = Shout(
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slug=slug,
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body=inp.get("body", ""),
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layout=inp.get("layout", "article"),
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title=inp.get("title", ""),
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created_by=author_id,
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created_at=current_time,
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community=1,
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)
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# Проверяем уникальность slug
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logger.debug(f"Checking for existing slug: {slug}")
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same_slug_shout = session.query(Shout).filter(Shout.slug == new_shout.slug).first()
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c = 1
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while same_slug_shout is not None:
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logger.debug(f"Found duplicate slug, trying iteration {c}")
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new_shout.slug = f"{slug}-{c}"
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same_slug_shout = session.query(Shout).filter(Shout.slug == new_shout.slug).first()
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c += 1
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try:
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logger.info("Creating new shout object")
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session.add(new_shout)
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session.commit()
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logger.info(f"Created shout with ID: {new_shout.id}")
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except Exception as e:
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logger.error(f"Error creating shout object: {e}", exc_info=True)
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return {"error": f"Database error: {str(e)}"}
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# Связываем с автором
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try:
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logger.debug(f"Linking author {author_id} to shout {new_shout.id}")
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sa = ShoutAuthor(shout=new_shout.id, author=author_id)
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session.add(sa)
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except Exception as e:
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logger.error(f"Error linking author: {e}", exc_info=True)
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return {"error": f"Error linking author: {str(e)}"}
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# Связываем с темами
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input_topics = inp.get("topics", [])
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if input_topics:
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try:
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logger.debug(f"Linking topics: {[t.slug for t in input_topics]}")
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main_topic = inp.get("main_topic")
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for topic in input_topics:
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st = ShoutTopic(
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topic=topic.id,
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shout=new_shout.id,
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main=(topic.slug == main_topic) if main_topic else False,
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)
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session.add(st)
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logger.debug(f"Added topic {topic.slug} {'(main)' if st.main else ''}")
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except Exception as e:
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logger.error(f"Error linking topics: {e}", exc_info=True)
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return {"error": f"Error linking topics: {str(e)}"}
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try:
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session.commit()
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logger.info("Final commit successful")
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except Exception as e:
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logger.error(f"Error in final commit: {e}", exc_info=True)
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return {"error": f"Error in final commit: {str(e)}"}
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# Получаем созданную публикацию
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shout = session.query(Shout).filter(Shout.id == new_shout.id).first()
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# Подписываем автора
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try:
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logger.debug("Following created shout")
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await follow(None, info, "shout", shout.slug)
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except Exception as e:
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logger.warning(f"Error following shout: {e}", exc_info=True)
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logger.info(f"Successfully created shout {shout.id}")
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return {"shout": shout}
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except Exception as e:
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logger.error(f"Unexpected error in create_shout: {e}", exc_info=True)
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return {"error": f"Unexpected error: {str(e)}"}
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error_msg = "cant create shout" if user_id else "unauthorized"
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logger.error(f"Create shout failed: {error_msg}")
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return {"error": error_msg}
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def patch_main_topic(session, main_topic, shout):
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with session.begin():
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shout = session.query(Shout).options(joinedload(Shout.topics)).filter(Shout.id == shout.id).first()
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if not shout:
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return
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old_main_topic = (
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session.query(ShoutTopic).filter(and_(ShoutTopic.shout == shout.id, ShoutTopic.main.is_(True))).first()
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)
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main_topic = session.query(Topic).filter(Topic.slug == main_topic).first()
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if main_topic:
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new_main_topic = (
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session.query(ShoutTopic)
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.filter(and_(ShoutTopic.shout == shout.id, ShoutTopic.topic == main_topic.id))
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.first()
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)
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if old_main_topic and new_main_topic and old_main_topic is not new_main_topic:
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ShoutTopic.update(old_main_topic, {"main": False})
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session.add(old_main_topic)
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ShoutTopic.update(new_main_topic, {"main": True})
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session.add(new_main_topic)
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def patch_topics(session, shout, topics_input):
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new_topics_to_link = [Topic(**new_topic) for new_topic in topics_input if new_topic["id"] < 0]
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if new_topics_to_link:
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session.add_all(new_topics_to_link)
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session.commit()
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for new_topic_to_link in new_topics_to_link:
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created_unlinked_topic = ShoutTopic(shout=shout.id, topic=new_topic_to_link.id)
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session.add(created_unlinked_topic)
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existing_topics_input = [topic_input for topic_input in topics_input if topic_input.get("id", 0) > 0]
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existing_topic_to_link_ids = [
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existing_topic_input["id"]
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for existing_topic_input in existing_topics_input
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if existing_topic_input["id"] not in [topic.id for topic in shout.topics]
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]
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for existing_topic_to_link_id in existing_topic_to_link_ids:
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created_unlinked_topic = ShoutTopic(shout=shout.id, topic=existing_topic_to_link_id)
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session.add(created_unlinked_topic)
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topic_to_unlink_ids = [
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topic.id
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for topic in shout.topics
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if topic.id not in [topic_input["id"] for topic_input in existing_topics_input]
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]
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session.query(ShoutTopic).filter(
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and_(ShoutTopic.shout == shout.id, ShoutTopic.topic.in_(topic_to_unlink_ids))
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).delete(synchronize_session=False)
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@mutation.field("update_shout")
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@login_required
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async def update_shout(_, info, shout_id: int, shout_input=None, publish=False):
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user_id = info.context.get("user_id")
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roles = info.context.get("roles", [])
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author_dict = info.context.get("author")
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if not author_dict:
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return {"error": "author profile was not found"}
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author_id = author_dict.get("id")
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shout_input = shout_input or {}
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current_time = int(time.time())
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shout_id = shout_id or shout_input.get("id", shout_id)
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slug = shout_input.get("slug")
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if not user_id:
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return {"error": "unauthorized"}
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try:
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with local_session() as session:
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if author_id:
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logger.info(f"author for shout#{shout_id} detected author #{author_id}")
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shout_by_id = session.query(Shout).filter(Shout.id == shout_id).first()
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if not shout_by_id:
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logger.error(f"shout#{shout_id} not found")
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return {"error": "shout not found"}
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logger.info(f"shout#{shout_id} found")
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if slug != shout_by_id.slug:
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same_slug_shout = session.query(Shout).filter(Shout.slug == slug).first()
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c = 1
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while same_slug_shout is not None:
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c += 1
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slug = f"{slug}-{c}"
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same_slug_shout = session.query(Shout).filter(Shout.slug == slug).first()
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shout_input["slug"] = slug
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logger.info(f"shout#{shout_id} slug patched")
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if filter(lambda x: x.id == author_id, [x for x in shout_by_id.authors]) or "editor" in roles:
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logger.info(f"shout#{shout_id} is author or editor")
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# topics patch
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topics_input = shout_input.get("topics")
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if topics_input:
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logger.info(f"topics_input: {topics_input}")
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patch_topics(session, shout_by_id, topics_input)
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del shout_input["topics"]
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for tpc in topics_input:
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await cache_by_id(Topic, tpc["id"], cache_topic)
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# main topic
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main_topic = shout_input.get("main_topic")
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if main_topic:
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patch_main_topic(session, main_topic, shout_by_id)
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shout_input["updated_at"] = current_time
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if publish:
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logger.info(f"publishing shout#{shout_id} with input: {shout_input}")
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shout_input["published_at"] = current_time
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# Проверяем наличие связи с автором
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logger.info(f"Checking author link for shout#{shout_id} and author#{author_id}")
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author_link = (
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session.query(ShoutAuthor)
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.filter(and_(ShoutAuthor.shout == shout_id, ShoutAuthor.author == author_id))
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.first()
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)
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if not author_link:
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logger.info(f"Adding missing author link for shout#{shout_id}")
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sa = ShoutAuthor(shout=shout_id, author=author_id)
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session.add(sa)
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session.flush()
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logger.info("Author link added successfully")
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else:
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logger.info("Author link already exists")
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Shout.update(shout_by_id, shout_input)
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session.add(shout_by_id)
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session.commit()
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shout_dict = shout_by_id.dict()
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# Инвалидация кэша после обновления
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try:
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logger.info("Invalidating cache after shout update")
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cache_keys = [
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"feed", # лента
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f"author_{author_id}", # публикации автора
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"random_top", # случайные топовые
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"unrated", # неоцененные
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]
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# Добавляем ключи для тем публикации
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for topic in shout_by_id.topics:
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cache_keys.append(f"topic_{topic.id}")
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cache_keys.append(f"topic_shouts_{topic.id}")
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await invalidate_shouts_cache(cache_keys)
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await invalidate_shout_related_cache(shout_by_id, author_id)
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# Обновляем кэш тем и авторов
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for topic in shout_by_id.topics:
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await cache_by_id(Topic, topic.id, cache_topic)
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for author in shout_by_id.authors:
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await cache_author(author.dict())
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logger.info("Cache invalidated successfully")
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except Exception as cache_error:
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logger.warning(f"Cache invalidation error: {cache_error}", exc_info=True)
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if not publish:
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await notify_shout(shout_dict, "update")
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else:
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await notify_shout(shout_dict, "published")
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# search service indexing
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search_service.index(shout_by_id)
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for a in shout_by_id.authors:
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await cache_by_id(Author, a.id, cache_author)
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logger.info(f"shout#{shout_id} updated")
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return {"shout": shout_dict, "error": None}
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else:
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logger.warning(f"updater for shout#{shout_id} is not author or editor")
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return {"error": "access denied", "shout": None}
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except Exception as exc:
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import traceback
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traceback.print_exc()
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logger.error(exc)
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logger.error(f" cannot update with data: {shout_input}")
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return {"error": "cant update shout"}
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@mutation.field("delete_shout")
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@login_required
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async def delete_shout(_, info, shout_id: int):
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user_id = info.context.get("user_id")
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roles = info.context.get("roles", [])
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author_dict = info.context.get("author")
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if not author_dict:
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return {"error": "author profile was not found"}
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author_id = author_dict.get("id")
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if user_id and author_id:
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author_id = int(author_id)
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with local_session() as session:
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shout = session.query(Shout).filter(Shout.id == shout_id).first()
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if not isinstance(shout, Shout):
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return {"error": "invalid shout id"}
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shout_dict = shout.dict()
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# NOTE: only owner and editor can mark the shout as deleted
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if shout_dict["created_by"] == author_id or "editor" in roles:
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shout_dict["deleted_at"] = int(time.time())
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Shout.update(shout, shout_dict)
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session.add(shout)
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session.commit()
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for author in shout.authors:
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await cache_by_id(Author, author.id, cache_author)
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info.context["author"] = author.dict()
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info.context["user_id"] = author.user
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unfollow(None, info, "shout", shout.slug)
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for topic in shout.topics:
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await cache_by_id(Topic, topic.id, cache_topic)
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await notify_shout(shout_dict, "delete")
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return {"error": None}
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else:
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return {"error": "access denied"}
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