208 lines
6.5 KiB
Python
208 lines
6.5 KiB
Python
import json
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import time
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from sqlalchemy import desc, select, or_, and_
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from sqlalchemy.orm import aliased
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from orm.author import Author, AuthorFollower
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from orm.shout import ShoutAuthor, ShoutTopic
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from orm.topic import Topic
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from resolvers.stat import get_with_stat, author_follows_authors, author_follows_topics
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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.rediscache import redis
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from services.schema import mutation, query
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from services.logger import root_logger as logger
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@mutation.field('update_author')
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@login_required
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def update_author(_, info, profile):
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user_id = info.context['user_id']
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with local_session() as session:
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author = session.query(Author).where(Author.user == user_id).first()
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Author.update(author, profile)
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session.add(author)
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session.commit()
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return {'error': None, 'author': author}
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# TODO: caching query
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@query.field('get_authors_all')
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def get_authors_all(_, _info):
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with local_session() as session:
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authors = session.query(Author).all()
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return authors
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@query.field('get_author')
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def get_author(_, _info, slug='', author_id=None):
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q = None
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author = None
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try:
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if slug or author_id:
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if bool(slug):
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q = select(Author).where(Author.slug == slug)
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if author_id:
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q = select(Author).where(Author.id == author_id)
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[author] = get_with_stat(q)
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except Exception as exc:
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logger.error(exc)
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return author
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async def get_author_by_user_id(user_id: str):
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logger.info(f'getting author id for {user_id}')
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redis_key = f'user:{user_id}:author'
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author = None
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try:
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res = await redis.execute('GET', redis_key)
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if isinstance(res, str):
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author = json.loads(res)
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if author.get('id'):
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logger.debug(f'got cached author: {author}')
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return author
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q = select(Author).filter(Author.user == user_id)
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[author] = get_with_stat(q)
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except Exception as exc:
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logger.error(exc)
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return author
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@query.field('get_author_id')
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async def get_author_id(_, _info, user: str):
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return await get_author_by_user_id(user)
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@query.field('load_authors_by')
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def load_authors_by(_, _info, by, limit, offset):
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logger.debug(f'loading authors by {by}')
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q = select(Author)
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if by.get('slug'):
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q = q.filter(Author.slug.ilike(f"%{by['slug']}%"))
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elif by.get('name'):
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q = q.filter(Author.name.ilike(f"%{by['name']}%"))
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elif by.get('topic'):
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q = (
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q.join(ShoutAuthor)
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.join(ShoutTopic)
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.join(Topic)
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.where(Topic.slug == str(by['topic']))
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)
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if by.get('last_seen'): # in unix time
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before = int(time.time()) - by['last_seen']
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q = q.filter(Author.last_seen > before)
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elif by.get('created_at'): # in unix time
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before = int(time.time()) - by['created_at']
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q = q.filter(Author.created_at > before)
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order = by.get('order')
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if order == 'followers' or order == 'shouts':
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q = q.order_by(desc(f'{order}_stat'))
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q = q.limit(limit).offset(offset)
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authors = get_with_stat(q)
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return authors
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@query.field('get_author_follows')
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def get_author_follows(_, _info, slug='', user=None, author_id=None):
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with local_session() as session:
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if user or slug:
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author_id_result = (
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session.query(Author.id)
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.filter(or_(Author.user == user, Author.slug == slug))
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.first()
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)
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author_id = author_id_result[0] if author_id_result else None
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if author_id:
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logger.debug(f'getting {author_id} follows')
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topics = author_follows_topics(author_id)
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authors = author_follows_authors(author_id)
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return {
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'topics': topics,
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'authors': authors,
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'communities': [
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{'id': 1, 'name': 'Дискурс', 'slug': 'discours', 'pic': ''}
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],
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}
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else:
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raise ValueError('Author not found')
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@query.field('get_author_follows_topics')
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def get_author_follows_topics(_, _info, slug='', user=None, author_id=None):
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with local_session() as session:
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if user or slug:
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author_id_result = (
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session.query(Author.id)
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.filter(or_(Author.user == user, Author.slug == slug))
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.first()
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)
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author_id = author_id_result[0] if author_id_result else None
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if author_id:
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logger.debug(f'getting {author_id} follows topics')
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follows = author_follows_topics(author_id)
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return follows
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else:
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raise ValueError('Author not found')
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@query.field('get_author_follows_authors')
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def get_author_follows_authors(_, _info, slug='', user=None, author_id=None):
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with local_session() as session:
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if user or slug:
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author_id_result = (
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session.query(Author.id)
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.filter(or_(Author.user == user, Author.slug == slug))
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.first()
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)
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author_id = author_id_result[0] if author_id_result else None
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if author_id:
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logger.debug(f'getting {author_id} follows authors')
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follows = author_follows_authors(author_id)
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return follows
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else:
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raise ValueError('Author not found')
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def create_author(user_id: str, slug: str, name: str = ''):
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with local_session() as session:
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new_author = Author(user=user_id, slug=slug, name=name)
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session.add(new_author)
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session.commit()
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logger.info(f'author created by webhook {new_author.dict()}')
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@query.field('get_author_followers')
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def get_author_followers(_, _info, slug: str):
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logger.debug(f'getting followers for @{slug}')
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try:
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with local_session() as session:
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author_id_result = (
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session.query(Author.id).filter(Author.slug == slug).first()
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)
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author_id = author_id_result[0] if author_id_result else None
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author_alias = aliased(Author)
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author_follower_alias = aliased(AuthorFollower, name='af')
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q = select(author_alias).join(
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author_follower_alias,
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and_(
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author_follower_alias.author == author_id,
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author_follower_alias.follower == author_alias.id,
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),
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)
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return get_with_stat(q)
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except Exception as exc:
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logger.error(exc)
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return []
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