Files
classquiz-ai/classquiz/cache.py
T
2022-02-27 21:23:57 +01:00

53 lines
1.5 KiB
Python

from classquiz.config import redis, settings
from classquiz.db.models import User
import ormar
import uuid
from typing import Union
from json import loads, dumps
async def cache_account(criteria: str, content: str) -> Union[User, None]:
async def insert_into_redis(usermodel: User, key: str):
await redis.set(key, usermodel.json(), ex=settings.cache_expiry)
if criteria == "email":
try:
res = await User.objects.get(email=content)
except ormar.exceptions.NoMatch:
return None
await insert_into_redis(res, content)
return res
elif criteria == "username":
try:
res = await User.objects.get(username=content)
except ormar.exceptions.NoMatch:
return None
await insert_into_redis(res, content)
return res
elif criteria == "id":
try:
res = await User.objects.get(id=uuid.UUID(content))
except ormar.exceptions.NoMatch:
return None
await insert_into_redis(res, content)
return res
else:
return None
async def get_from_redis(key: str) -> Union[None, User]:
user = await redis.get(key)
if user is None:
return None
else:
return User.parse_obj(loads(user))
async def get_cache(criteria: str, content: str) -> User:
cache = await get_from_redis(content)
if cache is not None:
return cache
else:
return await cache_account(criteria, content)