core/services/zine/shoutauthor.py

50 lines
1.7 KiB
Python

import asyncio
import time
from base.orm import local_session
from orm.shout import ShoutAuthor
class ShoutAuthorStorage:
authors_by_shout = {}
lock = asyncio.Lock()
# period = 30 * 60 # sec
@staticmethod
async def load_captions(session):
self = ShoutAuthorStorage
sas = session.query(ShoutAuthor).all()
for sa in sas:
self.authors_by_shout[sa.shout] = self.authors_by_shout.get(sa.shout, {})
self.authors_by_shout[sa.shout][sa.user] = sa.caption
print("[zine.authors] ⎧ %d shouts indexed by authors" % len(self.authors_by_shout))
@staticmethod
async def get_author_caption(shout, author):
self = ShoutAuthorStorage
async with self.lock:
return self.authors_by_shout.get(shout, {}).get(author)
@staticmethod
async def set_author_caption(shout, author, caption):
self = ShoutAuthorStorage
async with self.lock:
self.authors_by_shout[shout] = self.authors_by_shout.get(shout, {})
self.authors_by_shout[shout][author] = caption
return {
"error": None,
}
@staticmethod
async def worker():
self = ShoutAuthorStorage
async with self.lock:
# while True:
try:
with local_session() as session:
ts = time.time()
await self.load_captions(session)
print("[zine.authors] ⎩ load_captions took %fs " % (time.time() - ts))
except Exception as err:
print("[zine.authors] ⎩ error indexing by author: %s" % (err))
# await asyncio.sleep(self.period)