Initial commit: stock market platform

backend/app/api/v1/alerts.py

@@ -0,0 +1,77 @@
+from fastapi import APIRouter, Depends, HTTPException, status
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select, delete
+from app.core.database import get_db
+from app.api.deps import get_current_user
+from app.models.user import User
+from app.models.alert import Alert
+from app.schemas.stock import AlertCreate, AlertOut
+
+router = APIRouter(prefix="/alerts", tags=["alerts"])
+
+
+@router.get("", response_model=list[AlertOut])
+async def get_alerts(
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    result = await db.execute(
+        select(Alert)
+        .where(Alert.user_id == current_user.id)
+        .order_by(Alert.id.desc())
+    )
+    return result.scalars().all()
+
+
+@router.post("", response_model=AlertOut, status_code=status.HTTP_201_CREATED)
+async def create_alert(
+    payload: AlertCreate,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    alert = Alert(
+        user_id=current_user.id,
+        symbol=payload.symbol,
+        name=payload.name,
+        alert_type=payload.alert_type,
+        threshold=payload.threshold,
+    )
+    db.add(alert)
+    await db.flush()
+    await db.refresh(alert)
+    return alert
+
+
+@router.delete("/{alert_id}", status_code=status.HTTP_204_NO_CONTENT)
+async def delete_alert(
+    alert_id: int,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    result = await db.execute(
+        select(Alert).where(Alert.id == alert_id, Alert.user_id == current_user.id)
+    )
+    alert = result.scalar_one_or_none()
+    if not alert:
+        raise HTTPException(status_code=404, detail="预警不存在")
+
+    await db.delete(alert)
+
+
+@router.patch("/{alert_id}/toggle", response_model=AlertOut)
+async def toggle_alert(
+    alert_id: int,
+    current_user: User = Depends(get_current_user),
+    db: AsyncSession = Depends(get_db),
+):
+    result = await db.execute(
+        select(Alert).where(Alert.id == alert_id, Alert.user_id == current_user.id)
+    )
+    alert = result.scalar_one_or_none()
+    if not alert:
+        raise HTTPException(status_code=404, detail="预警不存在")
+
+    alert.is_active = not alert.is_active
+    await db.flush()
+    await db.refresh(alert)
+    return alert