mirror of https://github.com/stijndcl/didier
39 lines
1.5 KiB
Python
39 lines
1.5 KiB
Python
import datetime
|
|
|
|
from sqlalchemy import delete, select
|
|
from sqlalchemy.ext.asyncio import AsyncSession
|
|
|
|
from database.schemas import UforaAnnouncement, UforaCourse
|
|
|
|
__all__ = ["create_new_announcement", "get_courses_with_announcements", "remove_old_announcements"]
|
|
|
|
|
|
async def get_courses_with_announcements(session: AsyncSession) -> list[UforaCourse]:
|
|
"""Get all courses where announcements are enabled"""
|
|
statement = select(UforaCourse).where(UforaCourse.log_announcements)
|
|
return (await session.execute(statement)).scalars().all()
|
|
|
|
|
|
async def create_new_announcement(
|
|
session: AsyncSession, announcement_id: int, course: UforaCourse, publication_date: datetime.datetime
|
|
) -> UforaAnnouncement:
|
|
"""Add a new announcement to the database"""
|
|
new_announcement = UforaAnnouncement(
|
|
announcement_id=announcement_id, course=course, publication_date=publication_date
|
|
)
|
|
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()
|