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from fastapi import APIRouter, Query, HTTPException
from sqlalchemy.orm import Session
from typing import List, Dict
from datetime import datetime, timedelta
from models.market import MarketData, MarketDataDB
from db import SessionLocal
router = APIRouter()
# Only allow these markets
SUPPORTED_MARKETS: Dict[str, str] = {
"ISONE": "ISONE",
"MISO": "MISO",
"NYISO": "NYISO",
}
def check_market_supported(market: str):
market = market.upper()
if market not in SUPPORTED_MARKETS:
raise HTTPException(status_code=400, detail=f"Unsupported market '{market}'. Supported: {list(SUPPORTED_MARKETS.keys())}")
return market
@router.get("/day-ahead", response_model=List[MarketData])
def get_day_ahead_data(market: str = Query("ISONE")):
db: Session = SessionLocal()
market = check_market_supported(market)
records = db.query(MarketDataDB)\
.filter(MarketDataDB.market == market, MarketDataDB.type == "DAYAHEAD")\
.order_by(MarketDataDB.timestamp)\
.all()
db.close()
return [
MarketData(
timestamp=r.timestamp,
lmp=r.lmp,
energy=r.energy,
congestion=r.congestion,
loss=r.loss,
) for r in records
]
@router.get("/real-time", response_model=List[MarketData])
def get_real_time_data(market: str = Query("ISONE")):
db: Session = SessionLocal()
market = check_market_supported(market)
start_time = datetime.utcnow() - timedelta(days=1)
records = db.query(MarketDataDB)\
.filter(
MarketDataDB.market == market,
MarketDataDB.type == "REALTIME",
MarketDataDB.timestamp >= start_time
)\
.order_by(MarketDataDB.timestamp)\
.all()
db.close()
return [
MarketData(
timestamp=r.timestamp,
lmp=r.lmp,
energy=r.energy,
congestion=r.congestion,
loss=r.loss,
) for r in records
]
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