期权交易"权利金"改为"开仓价"；新增期权双买交易功能，支持跨式策略开平仓及组合盈亏分析

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

ft-app/app/routers/dual_options.py

@@ -0,0 +1,163 @@
+from datetime import date
+from fastapi import APIRouter, Depends, Form, Request
+from fastapi.responses import HTMLResponse, RedirectResponse
+from sqlalchemy.orm import Session
+from app.database import get_db
+from app.models import DualOptionTrade, Contract, Product
+
+router = APIRouter(prefix="/dual-options", tags=["dual_options"])
+
+
+def get_product_contracts(db: Session) -> dict:
+    result: dict[str, list[str]] = {}
+    products = db.query(Product).order_by(Product.code).all()
+    for p in products:
+        codes = [c.code for c in p.contracts if c.is_active]
+        if codes:
+            result[p.code] = codes
+    return result
+
+
+def today_str() -> str:
+    return date.today().isoformat()
+
+
+@router.get("/", response_class=HTMLResponse)
+def dual_option_page(request: Request, db: Session = Depends(get_db)):
+    view = request.query_params.get("view", "")
+    open_trades = (
+        db.query(DualOptionTrade).filter(DualOptionTrade.status == "open")
+        .order_by(DualOptionTrade.open_date.desc()).all()
+    )
+    closed_trades = (
+        db.query(DualOptionTrade).filter(DualOptionTrade.status == "closed")
+        .order_by(DualOptionTrade.close_date.desc()).limit(50).all()
+    )
+
+    template = request.app.state.templates.get_template("dual_options.html")
+    return HTMLResponse(
+        template.render(
+            request=request,
+            active_nav="dual_options",
+            product_contracts=get_product_contracts(db),
+            open_trades=open_trades,
+            closed_trades=closed_trades,
+            today=today_str(),
+            weekdays=["周一","周二","周三","周四","周五","周六","周日"],
+        )
+    )
+
+
+@router.post("/open")
+def open_trade(
+    request: Request,
+    contract_code: str = Form(...),
+    strike_price: float = Form(...),
+    call_open_price: float = Form(...),
+    put_open_price: float = Form(...),
+    call_open_fee: float = Form(0.0),
+    put_open_fee: float = Form(0.0),
+    open_date: str = Form(...),
+    db: Session = Depends(get_db),
+):
+    code = contract_code.upper()
+    contract = db.query(Contract).filter(Contract.code == code).first()
+    if contract:
+        product = contract.product
+    else:
+        product = db.query(Product).filter(Product.code == code[:2]).first()
+    product_code = product.code if product else code[:2]
+    point_value = product.point_value if product else 20
+
+    t = DualOptionTrade(
+        product_code=product_code,
+        contract_code=code,
+        strike_price=strike_price,
+        call_open_price=call_open_price,
+        put_open_price=put_open_price,
+        call_open_fee=call_open_fee,
+        put_open_fee=put_open_fee,
+        open_date=date.fromisoformat(open_date),
+        point_value=point_value,
+        status="open",
+    )
+    db.add(t)
+    db.commit()
+    return RedirectResponse("/dual-options/", status_code=303)
+
+
+@router.post("/{trade_id}/close")
+def close_trade(
+    request: Request,
+    trade_id: int,
+    close_date: str = Form(...),
+    call_close_price: float = Form(...),
+    put_close_price: float = Form(...),
+    call_close_fee: float = Form(0.0),
+    put_close_fee: float = Form(0.0),
+    db: Session = Depends(get_db),
+):
+    t = db.query(DualOptionTrade).filter(DualOptionTrade.id == trade_id).first()
+    if t and t.status == "open":
+        t.close_date = date.fromisoformat(close_date)
+        t.call_close_price = call_close_price
+        t.put_close_price = put_close_price
+        t.call_close_fee = call_close_fee
+        t.put_close_fee = put_close_fee
+        t.status = "closed"
+        db.commit()
+    return RedirectResponse("/dual-options/", status_code=303)
+
+
+@router.post("/{trade_id}/edit")
+def edit_trade(
+    request: Request,
+    trade_id: int,
+    contract_code: str = Form(...),
+    strike_price: float = Form(...),
+    call_open_price: float = Form(...),
+    put_open_price: float = Form(...),
+    call_open_fee: float = Form(0.0),
+    put_open_fee: float = Form(0.0),
+    open_date: str = Form(...),
+    close_date: str = Form(""),
+    call_close_price: str = Form(""),
+    put_close_price: str = Form(""),
+    call_close_fee: str = Form(""),
+    put_close_fee: str = Form(""),
+    db: Session = Depends(get_db),
+):
+    t = db.query(DualOptionTrade).filter(DualOptionTrade.id == trade_id).first()
+    if t:
+        code = contract_code.upper()
+        contract = db.query(Contract).filter(Contract.code == code).first()
+        if contract:
+            product = contract.product
+        else:
+            product = db.query(Product).filter(Product.code == code[:2]).first()
+        t.product_code = product.code if product else code[:2]
+        t.point_value = product.point_value if product else 20
+        t.contract_code = code
+        t.strike_price = strike_price
+        t.call_open_price = call_open_price
+        t.put_open_price = put_open_price
+        t.call_open_fee = call_open_fee
+        t.put_open_fee = put_open_fee
+        t.open_date = date.fromisoformat(open_date)
+        if close_date and call_close_price and put_close_price:
+            t.close_date = date.fromisoformat(close_date)
+            t.call_close_price = float(call_close_price)
+            t.put_close_price = float(put_close_price)
+            t.call_close_fee = float(call_close_fee) if call_close_fee else 0.0
+            t.put_close_fee = float(put_close_fee) if put_close_fee else 0.0
+        db.commit()
+    return RedirectResponse("/dual-options/", status_code=303)
+
+
+@router.post("/{trade_id}/delete")
+def delete_trade(trade_id: int, db: Session = Depends(get_db)):
+    t = db.query(DualOptionTrade).filter(DualOptionTrade.id == trade_id).first()
+    if t:
+        db.delete(t)
+        db.commit()
+    return RedirectResponse("/dual-options/", status_code=303)