Start working on events

database/crud/events.py

@@ -0,0 +1,41 @@
+from typing import Optional
+from zoneinfo import ZoneInfo
+
+from dateutil.parser import parse
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from database.schemas import Event
+
+__all__ = ["add_event", "get_event_by_id", "get_events", "get_next_event"]
+
+
+async def add_event(
+    session: AsyncSession, *, name: str, description: Optional[str], date_str: str, channel_id: int
+) -> Event:
+    """Create a new event"""
+    date_dt = parse(date_str, dayfirst=True).replace(tzinfo=ZoneInfo("Europe/Brussels"))
+
+    event = Event(name=name, description=description, timestamp=date_dt, notification_channel=channel_id)
+    session.add(event)
+    await session.commit()
+
+    return event
+
+
+async def get_event_by_id(session: AsyncSession, event_id: int) -> Optional[Event]:
+    """Get an event by its id"""
+    statement = select(Event).where(Event.event_id == event_id)
+    return (await session.execute(statement)).scalar_one_or_none()
+
+
+async def get_events(session: AsyncSession) -> list[Event]:
+    """Get a list of all upcoming events"""
+    statement = select(Event)
+    return (await session.execute(statement)).scalars().all()
+
+
+async def get_next_event(session: AsyncSession) -> Optional[Event]:
+    """Get the first upcoming event"""
+    statement = select(Event).order_by(Event.timestamp)
+    return (await session.execute(statement)).scalar_one_or_none()