100 lines
3.1 KiB
Python
100 lines
3.1 KiB
Python
from datetime import date
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from fastapi import APIRouter, Depends, Request
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from fastapi.responses import HTMLResponse
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from sqlalchemy.orm import Session
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from app.database import get_db
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from app.models import DailyBar, Contract
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router = APIRouter(prefix="/contracts", tags=["contracts"])
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WEEKDAY_ZH = {0: "周一", 1: "周二", 2: "周三", 3: "周四", 4: "周五", 5: "周六", 6: "周日"}
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def get_active_contracts(db: Session) -> list[str]:
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contracts = (
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db.query(Contract.code)
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.filter(Contract.is_active == True)
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.order_by(Contract.code)
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.all()
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)
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return [c[0] for c in contracts]
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@router.get("/", response_class=HTMLResponse)
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def contract_index(request: Request, db: Session = Depends(get_db)):
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active_contracts = get_active_contracts(db)
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latest = (
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db.query(DailyBar)
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.filter(DailyBar.contract.in_(active_contracts))
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.order_by(DailyBar.date.desc())
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.all()
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)
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contract_bars = {}
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for bar in latest:
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if bar.contract not in contract_bars:
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contract_bars[bar.contract] = bar
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total_bars = db.query(DailyBar).count()
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latest_bar = (
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db.query(DailyBar).order_by(DailyBar.date.desc()).first()
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)
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template = request.app.state.templates.get_template("index.html")
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return HTMLResponse(
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template.render(
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request=request,
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active_nav="contracts",
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contracts=active_contracts,
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contract_bars=contract_bars,
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total_bars=total_bars,
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latest_date=latest_bar.date.strftime("%Y-%m-%d") if latest_bar else "—",
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)
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)
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@router.get("/{contract}", response_class=HTMLResponse)
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def contract_detail(request: Request, contract: str, db: Session = Depends(get_db)):
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active_contracts = get_active_contracts(db)
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bars = (
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db.query(DailyBar)
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.filter(DailyBar.contract == contract.upper())
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.order_by(DailyBar.date.desc())
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.all()
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)
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rows = []
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for bar in bars:
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rows.append({
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"date": bar.date.strftime("%Y/%-m/%-d"),
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"weekday": WEEKDAY_ZH.get(bar.date.weekday(), ""),
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"open": int(bar.open) if bar.open else "-",
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"close": int(bar.close) if bar.close else "-",
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"high": int(bar.high) if bar.high else "-",
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"low": int(bar.low) if bar.low else "-",
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"diff": int(bar.diff) if bar.diff else 0,
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"amp_5d": int(bar.amp_5d) if bar.amp_5d is not None else None,
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"has_amp": bar.amp_5d is not None,
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})
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latest = bars[0] if bars else None
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# Predict next trading day amplitude: mean of latest 5 diffs
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next_amp = None
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if len(bars) >= 5:
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next_amp = round(sum(b.diff for b in bars[:5]) / 5)
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template = request.app.state.templates.get_template("contract.html")
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return HTMLResponse(
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template.render(
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request=request,
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active_nav="contracts",
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contract=contract.upper(),
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contracts=active_contracts,
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rows=rows,
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latest=latest,
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next_amp=next_amp,
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row_count=len(rows),
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)
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)
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