109 lines
3.7 KiB
Python
109 lines
3.7 KiB
Python
from datetime import datetime
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from fastapi import APIRouter, Depends, HTTPException, Query
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from sqlalchemy import func, select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.api.deps import get_db
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from app.models.announcement import Announcement
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from app.models.schemas import AnnouncementListResponse, AnnouncementResponse
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router = APIRouter()
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@router.get("/announcements", response_model=AnnouncementListResponse)
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async def list_announcements(
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page: int = Query(1, ge=1),
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page_size: int = Query(20, ge=1, le=100),
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source_code: str | None = None,
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keyword: str | None = None,
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start_date: str | None = None,
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end_date: str | None = None,
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crawl_mode: str | None = None,
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db: AsyncSession = Depends(get_db),
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):
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conditions = []
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if source_code:
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conditions.append(Announcement.source_code == source_code)
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if crawl_mode:
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conditions.append(Announcement.crawl_mode == crawl_mode)
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if start_date:
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conditions.append(Announcement.publish_date >= start_date)
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if end_date:
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conditions.append(Announcement.publish_date <= end_date)
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if keyword:
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conditions.append(
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Announcement.title.ilike(f"%{keyword}%")
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)
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base_query = select(Announcement)
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if conditions:
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base_query = base_query.where(*conditions)
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count_query = select(func.count()).select_from(base_query.subquery())
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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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items_query = base_query.order_by(Announcement.publish_date.desc()) \
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.offset((page - 1) * page_size).limit(page_size)
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items_result = await db.execute(items_query)
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items = items_result.scalars().all()
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return AnnouncementListResponse(
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total=total,
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page=page,
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page_size=page_size,
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items=[AnnouncementResponse.model_validate(item) for item in items],
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)
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@router.get("/announcements/today", response_model=AnnouncementListResponse)
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async def get_today_announcements(db: AsyncSession = Depends(get_db)):
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today = datetime.now().date()
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result = await db.execute(
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select(Announcement).where(
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func.date(Announcement.publish_date) == today
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).order_by(Announcement.publish_date.desc())
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)
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items = result.scalars().all()
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return AnnouncementListResponse(
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total=len(items), page=1, page_size=len(items),
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items=[AnnouncementResponse.model_validate(item) for item in items],
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)
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@router.get("/announcements/stats")
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async def get_stats(db: AsyncSession = Depends(get_db)):
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total = await db.execute(select(func.count()).select_from(Announcement))
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today_count = await db.execute(
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select(func.count()).where(
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func.date(Announcement.publish_date) == func.current_date()
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).select_from(Announcement)
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)
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new_count = await db.execute(
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select(func.count()).where(Announcement.is_new == True) # noqa: E712
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.select_from(Announcement)
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)
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unsent = await db.execute(
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select(func.count()).where(
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Announcement.is_sent == False, Announcement.is_new == True # noqa: E712
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).select_from(Announcement)
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)
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return {
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"total": total.scalar() or 0,
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"today": today_count.scalar() or 0,
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"new": new_count.scalar() or 0,
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"unsent": unsent.scalar() or 0,
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}
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@router.get("/announcements/{announcement_id}", response_model=AnnouncementResponse)
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async def get_announcement(announcement_id: int, db: AsyncSession = Depends(get_db)):
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result = await db.execute(
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select(Announcement).where(Announcement.id == announcement_id)
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)
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item = result.scalar_one_or_none()
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if item is None:
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raise HTTPException(status_code=404, detail="公告不存在")
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return AnnouncementResponse.model_validate(item)
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