trading/services/api_gateway/routes/signals.py

58 lines
1.9 KiB
Python

"""Signal endpoints — recent signals with filtering."""
from __future__ import annotations
from fastapi import APIRouter, Depends, Query, Request
from services.api_gateway.auth.middleware import get_current_user
from sqlalchemy import select, desc, func
router = APIRouter(prefix="/api/signals", tags=["signals"])
@router.get("")
async def list_signals(
request: Request,
_user: dict = Depends(get_current_user),
ticker: str | None = Query(default=None),
page: int = Query(default=1, ge=1),
per_page: int = Query(default=20, ge=1, le=100),
) -> dict:
"""Recent signals with optional ticker filter and pagination."""
from shared.models.trading import Signal
db = request.app.state.db_session_factory
async with db() as session:
query = select(Signal).order_by(desc(Signal.created_at))
count_query = select(func.count()).select_from(Signal)
if ticker:
query = query.where(Signal.ticker == ticker.upper())
count_query = count_query.where(Signal.ticker == ticker.upper())
total = (await session.execute(count_query)).scalar() or 0
offset = (page - 1) * per_page
query = query.offset(offset).limit(per_page)
result = await session.execute(query)
signals = result.scalars().all()
return {
"signals": [
{
"id": str(s.id),
"ticker": s.ticker,
"direction": s.direction.value,
"strength": s.strength,
"strategy_sources": s.strategy_sources,
"sentiment_score": s.sentiment_score,
"acted_on": s.acted_on,
"created_at": s.created_at.isoformat() if s.created_at else None,
}
for s in signals
],
"total": total,
"page": page,
"per_page": per_page,
"pages": (total + per_page - 1) // per_page if per_page else 0,
}