106 lines
3.5 KiB
Python
106 lines
3.5 KiB
Python
from datetime import datetime, timezone
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from sqlalchemy import select, func
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.db.models import Schedule
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from app.schemas.schedule import ScheduleCreate, ScheduleUpdate
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from app.services.notification_service import create_notifications_for_class
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async def create_schedule(
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db: AsyncSession, class_id: int, data: ScheduleCreate
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) -> Schedule:
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payload = data.model_dump()
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if payload.get("type") == "deadline" and payload.get("end_time") is not None:
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# Deadlines are anchored on the due time only; reuse start_time as the sort/query key.
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payload["start_time"] = payload["end_time"]
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item = Schedule(
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class_id=class_id,
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**payload,
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)
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db.add(item)
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await db.commit()
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await db.refresh(item)
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# Send notifications + email to class members
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effective_time = payload["end_time"] if payload.get("type") == "deadline" and payload.get("end_time") else payload["start_time"]
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time_str = effective_time.strftime("%Y-%m-%d %H:%M")
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location_info = f" · {data.location}" if data.location else ""
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await create_notifications_for_class(
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db, class_id, "schedule", f"新排期: {data.title}",
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content=f"{time_str}{location_info}",
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related_id=item.id,
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email_subject=f"HKU ICB - 新排期: {data.title}",
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email_body=f"<p><strong>{data.title}</strong></p><p>时间: {time_str}{location_info}</p>",
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email_action_path="/schedule",
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)
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return item
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async def update_schedule(
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db: AsyncSession, item: Schedule, data: ScheduleUpdate
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) -> Schedule:
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payload = data.model_dump(exclude_unset=True)
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next_type = payload.get("type", item.type)
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next_end_time = payload.get("end_time", item.end_time)
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if next_type == "deadline" and next_end_time is not None:
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payload["start_time"] = next_end_time
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for field, value in payload.items():
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setattr(item, field, value)
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await db.commit()
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await db.refresh(item)
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return item
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async def delete_schedule(db: AsyncSession, item: Schedule):
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await db.delete(item)
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await db.commit()
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async def get_schedule_by_id(db: AsyncSession, schedule_id: int) -> Schedule | None:
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result = await db.execute(select(Schedule).where(Schedule.id == schedule_id))
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return result.scalar_one_or_none()
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async def list_schedules(
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db: AsyncSession,
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class_id: int,
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schedule_type: str | None = None,
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page: int = 1,
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page_size: int = 50,
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) -> tuple[list[Schedule], int]:
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query = select(Schedule).where(Schedule.class_id == class_id)
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count_query = select(func.count(Schedule.id)).where(Schedule.class_id == class_id)
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if schedule_type:
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query = query.where(Schedule.type == schedule_type)
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count_query = count_query.where(Schedule.type == schedule_type)
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total_result = await db.execute(count_query)
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total = total_result.scalar() or 0
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result = await db.execute(
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query.order_by(Schedule.start_time.desc())
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.offset((page - 1) * page_size)
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.limit(page_size)
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)
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items = list(result.scalars().all())
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return items, total
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async def get_upcoming_schedules(
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db: AsyncSession, class_id: int, limit: int = 10
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) -> list[Schedule]:
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now = datetime.now(timezone.utc)
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result = await db.execute(
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select(Schedule)
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.where(Schedule.class_id == class_id, Schedule.start_time >= now)
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.order_by(Schedule.start_time.asc())
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.limit(limit)
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)
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return list(result.scalars().all())
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