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Create task to purge old announcements

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stijndcl 2022-06-19 00:51:24 +02:00
parent d7262595c6
commit d75831f848
2 changed files with 28 additions and 7 deletions
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19
database/crud/ufora_announcements.py
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@ -1,6 +1,6 @@
from datetime import datetime
import datetime
from sqlalchemy import select
from sqlalchemy import select, delete
from sqlalchemy.ext.asyncio import AsyncSession
from database.models import UforaCourse, UforaAnnouncement
@ -8,8 +8,8 @@ from database.models import UforaCourse, UforaAnnouncement
async def get_courses_with_announcements(session: AsyncSession) -> list[UforaCourse]:
"""Get all courses where announcements are enabled"""
query = select(UforaCourse).where(UforaCourse.log_announcements)
return (await session.execute(query)).scalars().all()
statement = select(UforaCourse).where(UforaCourse.log_announcements)
return (await session.execute(statement)).scalars().all()
async def create_new_announcement(
@ -22,3 +22,14 @@ async def create_new_announcement(
session.add(new_announcement)
await session.commit()
return new_announcement
async def remove_old_announcements(session: AsyncSession):
"""Delete all announcements that are > 8 days old
The RSS feed only goes back 7 days, so all of these old announcements never have to
be checked again when checking if an announcement is fresh or not.
"""
limit = datetime.datetime.utcnow() - datetime.timedelta(days=8)
statement = delete(UforaAnnouncement).where(UforaAnnouncement.publication_date < limit)
await session.execute(statement)
await session.commit()