core/resolvers/inbox/load.py
2022-12-04 17:03:55 +03:00

147 lines
4.9 KiB
Python

import json
from datetime import datetime, timedelta, timezone
from auth.authenticate import login_required
from auth.credentials import AuthCredentials
from base.redis import redis
from base.orm import local_session
from base.resolvers import query
from orm.user import User
from resolvers.zine.profile import followed_authors
from .unread import get_unread_counter
async def load_messages(chat_id: str, limit: int, offset: int):
''' load :limit messages for :chat_id with :offset '''
messages = []
message_ids = await redis.lrange(
f"chats/{chat_id}/message_ids", offset + limit, offset
)
if message_ids:
message_keys = [
f"chats/{chat_id}/messages/{mid}" for mid in message_ids
]
messages = await redis.mget(*message_keys)
messages = [json.loads(msg) for msg in messages]
return set(messages)
@query.field("loadChats")
@login_required
async def load_chats(_, info, limit: int = 50, offset: int = 0):
""" load :limit chats of current user with :offset """
auth: AuthCredentials = info.context["request"].auth
cids = await redis.execute("SMEMBERS", "chats_by_user/" + str(auth.user_id))
onliners = await redis.execute("SMEMBERS", "users-online")
if cids:
cids = list(cids)[offset:offset + limit]
if not cids:
print('[inbox.load] no chats were found')
cids = []
chats = []
for cid in cids:
c = await redis.execute("GET", "chats/" + cid.decode("utf-8"))
if c:
c = dict(json.loads(c))
c['messages'] = await load_messages(cid, 5, 0)
c['unread'] = await get_unread_counter(cid, auth.user_id)
with local_session() as session:
c['members'] = []
for uid in c["users"]:
a = session.query(User).where(User.id == uid).first()
if a:
c['members'].append({
"id": a.id,
"slug": a.slug,
"userpic": a.userpic,
"name": a.name,
"lastSeen": a.lastSeen,
"online": a.id in onliners
})
chats.append(c)
return {
"chats": chats,
"error": None
}
async def search_user_chats(by, messages, user_id: int, limit, offset):
cids = set([])
by_author = by.get('author')
body_like = by.get('body')
cids.union(set(await redis.execute("SMEMBERS", "chats_by_user/" + str(user_id))))
if by_author:
# all author's messages
cids.union(set(await redis.execute("SMEMBERS", f"chats_by_user/{by_author}")))
# author's messages in filtered chat
messages.union(set(filter(lambda m: m["author"] == by_author, list(messages))))
for c in cids:
messages.union(set(await load_messages(c, limit, offset)))
if body_like:
# search in all messages in all user's chats
for c in cids:
# FIXME: use redis scan here
mmm = set(await load_messages(c, limit, offset))
for m in mmm:
if body_like in m["body"]:
messages.add(m)
else:
# search in chat's messages
messages.union(set(filter(lambda m: body_like in m["body"], list(messages))))
return messages
@query.field("loadMessagesBy")
@login_required
async def load_messages_by(_, info, by, limit: int = 10, offset: int = 0):
''' load :limit messages of :chat_id with :offset '''
messages = set([])
by_chat = by.get('chat')
if by_chat:
chat = await redis.execute("GET", f"chats/{by_chat}")
if not chat:
return {
"messages": [],
"error": "chat not exist"
}
# everyone's messages in filtered chat
messages.union(set(await load_messages(by_chat, limit, offset)))
auth: AuthCredentials = info.context["request"].auth
if len(messages) == 0:
messages.union(set(await search_user_chats(by, messages, auth.user_id, limit, offset)))
days = by.get("days")
if days:
messages.union(set(filter(
lambda m: datetime.now(tz=timezone.utc) - int(m["createdAt"]) < timedelta(days=by.get("days")),
list(messages)
)))
return {
"messages": sorted(
list(messages),
key=lambda m: m.createdAt
),
"error": None
}
@query.field("loadRecipients")
async def load_recipients(_, info, limit=50, offset=0):
chat_users = []
auth: AuthCredentials = info.context["request"].auth
try:
chat_users += await followed_authors(auth.user_id)
limit = limit - len(chat_users)
except Exception:
pass
with local_session() as session:
chat_users += session.query(User).where(User.emailConfirmed).limit(limit).offset(offset)
return {
"members": chat_users,
"error": None
}