core/resolvers/author.py
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cache-postrefactor-fix
2024-05-21 02:56:58 +03:00

261 lines
9.2 KiB
Python

import time
from sqlalchemy import desc, or_, select, text
from orm.author import Author
from orm.shout import ShoutAuthor, ShoutTopic
from orm.topic import Topic
from resolvers.stat import get_with_stat
from services.auth import login_required
from services.cache import (
cache_author,
get_cached_author,
get_cached_author_by_user_id,
get_cached_author_followers,
get_cached_author_follows_authors,
get_cached_author_follows_topics,
)
from services.db import local_session
from services.logger import root_logger as logger
from services.schema import mutation, query
@mutation.field("update_author")
@login_required
async def update_author(_, info, profile):
user_id = info.context.get("user_id")
if not user_id:
return {"error": "unauthorized", "author": None}
try:
with local_session() as session:
author = session.query(Author).where(Author.user == user_id).first()
if author:
Author.update(author, profile)
session.add(author)
session.commit()
author_query = select(Author).where(Author.user == user_id)
[author] = get_with_stat(author_query)
if author:
await cache_author(author.dict())
return {"error": None, "author": author}
except Exception as exc:
import traceback
logger.error(traceback.format_exc())
return {"error": exc, "author": None}
@query.field("get_authors_all")
def get_authors_all(_, _info):
with local_session() as session:
authors = session.query(Author).all()
return authors
@query.field("get_author")
async def get_author(_, _info, slug="", author_id=0):
author_query = ""
author = None
author_dict = None
try:
# lookup for cached author
author_query = select(Author)
if slug:
author_query = author_query.filter(Author.slug == slug)
elif author_id:
author_query = author_query.filter(Author.id == author_id)
else:
raise ValueError("Author not found")
lookup_result = local_session().execute(author_query).first()
if lookup_result:
[found_author] = lookup_result
# logger.debug(found_author)
if found_author:
logger.debug(f"found author id: {found_author.id}")
author_id = found_author.id if found_author.id else author_id
author_dict = await get_cached_author(int(author_id), get_with_stat)
# update stat from db
if not author_dict or not author_dict.get("stat"):
result = get_with_stat(author_query)
if not result:
raise ValueError("Author not found")
[author] = result
# use found author
if isinstance(author, Author):
logger.debug(f"update @{author.slug} with id {author.id}")
author_dict = author.dict()
await cache_author(author_dict)
except ValueError:
pass
except Exception as exc:
import traceback
logger.error(f"{exc}:\n{traceback.format_exc()}")
return author_dict
async def get_author_by_user_id(user_id: str):
logger.info(f"getting author id for {user_id}")
author = None
try:
author = await get_cached_author_by_user_id(user_id, get_with_stat)
if author:
return author
author_query = select(Author).filter(Author.user == user_id)
result = get_with_stat(author_query)
if result:
[author] = result
await cache_author(author.dict())
except Exception as exc:
import traceback
traceback.print_exc()
logger.error(exc)
return author
@query.field("get_author_id")
async def get_author_id(_, _info, user: str):
return await get_author_by_user_id(user)
@query.field("load_authors_by")
async def load_authors_by(_, _info, by, limit, offset):
logger.debug(f"loading authors by {by}")
authors_query = select(Author)
if by.get("slug"):
authors_query = authors_query.filter(Author.slug.ilike(f"%{by['slug']}%"))
elif by.get("name"):
authors_query = authors_query.filter(Author.name.ilike(f"%{by['name']}%"))
elif by.get("topic"):
authors_query = (
authors_query.join(ShoutAuthor)
.join(ShoutTopic)
.join(Topic)
.where(Topic.slug == str(by["topic"]))
)
if by.get("last_seen"): # in unix time
before = int(time.time()) - by["last_seen"]
authors_query = authors_query.filter(Author.last_seen > before)
elif by.get("created_at"): # in unix time
before = int(time.time()) - by["created_at"]
authors_query = authors_query.filter(Author.created_at > before)
authors_query = authors_query.limit(limit).offset(offset)
authors_nostat = local_session().execute(authors_query)
authors = []
if authors_nostat:
for [a] in authors_nostat:
author_dict = None
if isinstance(a, Author):
author_dict = await get_cached_author(a.id, get_with_stat)
if not author_dict or not isinstance(author_dict.get("shouts"), int):
break
# order
order = by.get("order")
if order in ["shouts", "followers"]:
authors_query = authors_query.order_by(desc(text(f"{order}_stat")))
# group by
authors = get_with_stat(authors_query)
return authors or []
@query.field("get_author_follows")
async def get_author_follows(_, _info, slug="", user=None, author_id=0):
try:
author_query = select(Author)
if user:
author_query = author_query.filter(Author.user == user)
elif slug:
author_query = author_query.filter(Author.slug == slug)
elif author_id:
author_query = author_query.filter(Author.id == author_id)
else:
return {"error": "One of slug, user, or author_id must be provided"}
result = local_session().execute(author_query)
if result:
# logger.debug(result)
[author] = result
# logger.debug(author)
if author and isinstance(author, Author):
# logger.debug(author.dict())
author_id = author.id if not author_id else author_id
topics = []
authors = []
if bool(author_id):
logger.debug(f"getting {author_id} follows authors")
authors = await get_cached_author_follows_authors(author_id)
topics = await get_cached_author_follows_topics(author_id)
return {
"topics": topics,
"authors": authors,
"communities": [
{"id": 1, "name": "Дискурс", "slug": "discours", "pic": ""}
],
}
except Exception:
import traceback
traceback.print_exc()
return {"error": "Author not found"}
@query.field("get_author_follows_topics")
async def get_author_follows_topics(_, _info, slug="", user=None, author_id=None):
with local_session() as session:
if user or slug:
author_id_result = (
session.query(Author.id)
.filter(or_(Author.user == user, Author.slug == slug))
.first()
)
author_id = author_id_result[0] if author_id_result else None
if not author_id:
raise ValueError("Author not found")
return get_cached_author_follows_topics(author_id)
@query.field("get_author_follows_authors")
async def get_author_follows_authors(_, _info, slug="", user=None, author_id=None):
with local_session() as session:
if user or slug:
author_id_result = (
session.query(Author.id)
.filter(or_(Author.user == user, Author.slug == slug))
.first()
)
author_id = author_id_result[0] if author_id_result else None
if not author_id:
raise ValueError("Author not found")
return await get_cached_author_follows_authors(author_id)
def create_author(user_id: str, slug: str, name: str = ""):
with local_session() as session:
try:
author = None
if user_id:
author = session.query(Author).filter(Author.user == user_id).first()
elif slug:
author = session.query(Author).filter(Author.slug == slug).first()
if not author:
new_author = Author(user=user_id, slug=slug, name=name)
session.add(new_author)
session.commit()
logger.info(f"author created by webhook {new_author.dict()}")
except Exception as exc:
logger.debug(exc)
@query.field("get_author_followers")
async def get_author_followers(_, _info, slug: str):
logger.debug(f"getting followers for @{slug}")
author_query = select(Author.id).filter(Author.slug == slug).first()
author_id_result = local_session().execute(author_query)
author_id = author_id_result[0] if author_id_result else None
followers = await get_cached_author_followers(author_id)
return followers