core/resolvers/editor.py
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2024-12-12 01:04:11 +03:00

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Python

import time
from sqlalchemy import and_, desc, select
from sqlalchemy.orm import joinedload
from sqlalchemy.sql.functions import coalesce
from cache.cache import cache_author, cache_topic
from orm.author import Author
from orm.shout import Shout, ShoutAuthor, ShoutTopic
from orm.topic import Topic
from resolvers.follower import follow, unfollow
from resolvers.stat import get_with_stat
from services.auth import login_required
from services.db import local_session
from services.notify import notify_shout
from services.schema import mutation, query
from services.search import search_service
from utils.logger import root_logger as logger
async def cache_by_id(entity, entity_id: int, cache_method):
caching_query = select(entity).filter(entity.id == entity_id)
result = get_with_stat(caching_query)
if not result or not result[0]:
logger.warning(f"{entity.__name__} with id {entity_id} not found")
return
x = result[0]
d = x.dict() # convert object to dictionary
cache_method(d)
return d
@query.field("get_my_shout")
@login_required
async def get_my_shout(_, info, shout_id: int):
# logger.debug(info)
user_id = info.context.get("user_id", "")
author_dict = info.context.get("author", {})
author_id = author_dict.get("id")
roles = info.context.get("roles", [])
shout = None
if not user_id or not author_id:
return {"error": "unauthorized", "shout": None}
with local_session() as session:
shout = (
session.query(Shout)
.filter(Shout.id == shout_id)
.options(joinedload(Shout.authors), joinedload(Shout.topics))
.filter(Shout.deleted_at.is_(None))
.first()
)
if not shout:
return {"error": "no shout found", "shout": None}
logger.debug(f"got {len(shout.authors)} shout authors, created by {shout.created_by}")
is_editor = "editor" in roles
logger.debug(f'viewer is{'' if is_editor else ' not'} editor')
is_creator = author_id == shout.created_by
logger.debug(f'viewer is{'' if is_creator else ' not'} creator')
is_author = bool(list(filter(lambda x: x.id == int(author_id), [x for x in shout.authors])))
logger.debug(f'viewer is{'' if is_creator else ' not'} author')
can_edit = is_editor or is_author or is_creator
if not can_edit:
return {"error": "forbidden", "shout": None}
logger.debug("got shout editor with data")
return {"error": None, "shout": shout}
@query.field("get_shouts_drafts")
@login_required
async def get_shouts_drafts(_, info):
# user_id = info.context.get("user_id")
author_dict = info.context.get("author")
if not author_dict:
return {"error": "author profile was not found"}
author_id = author_dict.get("id")
shouts = []
with local_session() as session:
if author_id:
q = (
select(Shout)
.options(joinedload(Shout.authors), joinedload(Shout.topics))
.filter(and_(Shout.deleted_at.is_(None), Shout.created_by == int(author_id)))
.filter(Shout.published_at.is_(None))
.order_by(desc(coalesce(Shout.updated_at, Shout.created_at)))
.group_by(Shout.id)
)
shouts = [shout for [shout] in session.execute(q).unique()]
return {"shouts": shouts}
@mutation.field("create_shout")
@login_required
async def create_shout(_, info, inp):
user_id = info.context.get("user_id")
author_dict = info.context.get("author")
if not author_dict:
return {"error": "author profile was not found"}
author_id = author_dict.get("id")
if user_id and author_id:
with local_session() as session:
author_id = int(author_id)
current_time = int(time.time())
slug = inp.get("slug") or f"draft-{current_time}"
shout_dict = {
"title": inp.get("title", ""),
"subtitle": inp.get("subtitle", ""),
"lead": inp.get("lead", ""),
"description": inp.get("description", ""),
"body": inp.get("body", ""),
"layout": inp.get("layout", "article"),
"created_by": author_id,
"authors": [],
"slug": slug,
"topics": inp.get("topics", []),
"published_at": None,
"community": 1,
"created_at": current_time, # Set created_at as Unix timestamp
}
same_slug_shout = session.query(Shout).filter(Shout.slug == shout_dict.get("slug")).first()
c = 1
while same_slug_shout is not None:
same_slug_shout = session.query(Shout).filter(Shout.slug == shout_dict.get("slug")).first()
c += 1
shout_dict["slug"] += f"-{c}"
new_shout = Shout(**shout_dict)
session.add(new_shout)
session.commit()
# NOTE: requesting new shout back
shout = session.query(Shout).where(Shout.slug == slug).first()
if shout:
# Проверка на существование записи
existing_sa = session.query(ShoutAuthor).filter_by(shout=shout.id, author=author_id).first()
if not existing_sa:
sa = ShoutAuthor(shout=shout.id, author=author_id)
session.add(sa)
topics = session.query(Topic).filter(Topic.slug.in_(inp.get("topics", []))).all()
for topic in topics:
existing_st = session.query(ShoutTopic).filter_by(shout=shout.id, author=topic.id).first()
if not existing_st:
t = ShoutTopic(topic=topic.id, shout=shout.id)
session.add(t)
session.commit()
follow(None, info, "shout", shout.slug)
# notifier
# await notify_shout(shout_dict, 'create')
return {"shout": shout}
return {"error": "cant create shout" if user_id else "unauthorized"}
def patch_main_topic(session, main_topic, shout):
with session.begin():
shout = session.query(Shout).options(joinedload(Shout.topics)).filter(Shout.id == shout.id).first()
if not shout:
return
old_main_topic = (
session.query(ShoutTopic).filter(and_(ShoutTopic.shout == shout.id, ShoutTopic.main.is_(True))).first()
)
main_topic = session.query(Topic).filter(Topic.slug == main_topic).first()
if main_topic:
new_main_topic = (
session.query(ShoutTopic)
.filter(and_(ShoutTopic.shout == shout.id, ShoutTopic.topic == main_topic.id))
.first()
)
if old_main_topic and new_main_topic and old_main_topic is not new_main_topic:
ShoutTopic.update(old_main_topic, {"main": False})
session.add(old_main_topic)
ShoutTopic.update(new_main_topic, {"main": True})
session.add(new_main_topic)
def patch_topics(session, shout, topics_input):
new_topics_to_link = [Topic(**new_topic) for new_topic in topics_input if new_topic["id"] < 0]
if new_topics_to_link:
session.add_all(new_topics_to_link)
session.commit()
for new_topic_to_link in new_topics_to_link:
created_unlinked_topic = ShoutTopic(shout=shout.id, topic=new_topic_to_link.id)
session.add(created_unlinked_topic)
existing_topics_input = [topic_input for topic_input in topics_input if topic_input.get("id", 0) > 0]
existing_topic_to_link_ids = [
existing_topic_input["id"]
for existing_topic_input in existing_topics_input
if existing_topic_input["id"] not in [topic.id for topic in shout.topics]
]
for existing_topic_to_link_id in existing_topic_to_link_ids:
created_unlinked_topic = ShoutTopic(shout=shout.id, topic=existing_topic_to_link_id)
session.add(created_unlinked_topic)
topic_to_unlink_ids = [
topic.id
for topic in shout.topics
if topic.id not in [topic_input["id"] for topic_input in existing_topics_input]
]
session.query(ShoutTopic).filter(
and_(ShoutTopic.shout == shout.id, ShoutTopic.topic.in_(topic_to_unlink_ids))
).delete(synchronize_session=False)
@mutation.field("update_shout")
@login_required
async def update_shout(_, info, shout_id: int, shout_input=None, publish=False):
user_id = info.context.get("user_id")
roles = info.context.get("roles", [])
author_dict = info.context.get("author")
if not author_dict:
return {"error": "author profile was not found"}
author_id = author_dict.get("id")
shout_input = shout_input or {}
current_time = int(time.time())
shout_id = shout_id or shout_input.get("id", shout_id)
slug = shout_input.get("slug")
if not user_id:
return {"error": "unauthorized"}
try:
with local_session() as session:
if author_id:
logger.info(f"author for shout#{shout_id} detected author #{author_id}")
shout_by_id = session.query(Shout).filter(Shout.id == shout_id).first()
if not shout_by_id:
logger.error(f"shout#{shout_id} not found")
return {"error": "shout not found"}
logger.info(f"shout#{shout_id} found")
if slug != shout_by_id.slug:
same_slug_shout = session.query(Shout).filter(Shout.slug == slug).first()
c = 1
while same_slug_shout is not None:
c += 1
slug = f"{slug}-{c}"
same_slug_shout = session.query(Shout).filter(Shout.slug == slug).first()
shout_input["slug"] = slug
logger.info(f"shout#{shout_id} slug patched")
if filter(lambda x: x.id == author_id, [x for x in shout_by_id.authors]) or "editor" in roles:
logger.info(f"shout#{shout_id} is author or editor")
# topics patch
topics_input = shout_input.get("topics")
if topics_input:
logger.info(f"topics_input: {topics_input}")
patch_topics(session, shout_by_id, topics_input)
del shout_input["topics"]
for tpc in topics_input:
await cache_by_id(Topic, tpc["id"], cache_topic)
# main topic
main_topic = shout_input.get("main_topic")
if main_topic:
patch_main_topic(session, main_topic, shout_by_id)
shout_input["updated_at"] = current_time
shout_input["published_at"] = current_time if publish else None
Shout.update(shout_by_id, shout_input)
session.add(shout_by_id)
session.commit()
shout_dict = shout_by_id.dict()
if not publish:
await notify_shout(shout_dict, "update")
else:
await notify_shout(shout_dict, "published")
# search service indexing
search_service.index(shout_by_id)
for a in shout_by_id.authors:
await cache_by_id(Author, a.id, cache_author)
logger.info(f"shout#{shout_id} updated")
return {"shout": shout_dict, "error": None}
else:
logger.warning(f"shout#{shout_id} is not author or editor")
return {"error": "access denied", "shout": None}
except Exception as exc:
import traceback
traceback.print_exc()
logger.error(exc)
logger.error(f" cannot update with data: {shout_input}")
return {"error": "cant update shout"}
@mutation.field("delete_shout")
@login_required
async def delete_shout(_, info, shout_id: int):
user_id = info.context.get("user_id")
roles = info.context.get("roles", [])
author_dict = info.context.get("author")
if not author_dict:
return {"error": "author profile was not found"}
author_id = author_dict.get("id")
if user_id and author_id:
author_id = int(author_id)
with local_session() as session:
shout = session.query(Shout).filter(Shout.id == shout_id).first()
if not isinstance(shout, Shout):
return {"error": "invalid shout id"}
shout_dict = shout.dict()
# NOTE: only owner and editor can mark the shout as deleted
if shout_dict["created_by"] == author_id or "editor" in roles:
shout_dict["deleted_at"] = int(time.time())
Shout.update(shout, shout_dict)
session.add(shout)
session.commit()
for author in shout.authors:
await cache_by_id(Author, author.id, cache_author)
info.context["author"] = author.dict()
info.context["user_id"] = author.user
unfollow(None, info, "shout", shout.slug)
for topic in shout.topics:
await cache_by_id(Topic, topic.id, cache_topic)
await notify_shout(shout_dict, "delete")
return {"error": None}
else:
return {"error": "access denied"}