DRRK/app/repositories/funding_rates.py
Raykov-MS c1c73e96f5 Add funding rates, positions, business calendar and xlsx export
- funding_rate table and "Фондирование" page: rate from date, history, rate on date (D27)
- positions by issue: BUY - SELL per portfolio, "Остатки" page (D29)
- quotes are loaded only for securities with an open position (D10)
- business calendar from xmlcalendar.ru: yearly file upload, report date
  and update job use previous working day (D30)
- xlsx download for positions, quotes and funding rate history
- manual operation type as radio buttons
- QUIK instruments with purchase marks ("МТС 2Р-18_1") match the issue,
  file name kept in operation.instrument (D17)
- migrations d3a6f8b1c254, e7b2c9d4a813, f1c4a7e9b352
- project.md: decisions and questions after customer meetings
2026-10-29 11:20:15 +03:00

72 lines
2.4 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

from __future__ import annotations
from collections.abc import Sequence
from datetime import date
from decimal import Decimal
from sqlalchemy import func, select
from sqlalchemy.ext.asyncio import AsyncSession
from app.db.models import Currency, FundingRate
from app.repositories._upsert import insert_for
class FundingRateRepository:
def __init__(self, session: AsyncSession) -> None:
self.session = session
async def effective_on(
self, portfolio_id: int, currency_id: int, on_date: date
) -> FundingRate | None:
"""Ставка, действующая на дату: последняя запись с effective_from <= даты."""
result = await self.session.execute(
select(FundingRate)
.where(
FundingRate.portfolio_id == portfolio_id,
FundingRate.currency_id == currency_id,
FundingRate.effective_from <= on_date,
)
.order_by(FundingRate.effective_from.desc())
.limit(1)
)
return result.scalar_one_or_none()
async def upsert(
self,
*,
portfolio_id: int,
currency_id: int,
effective_from: date,
rate: Decimal,
user: str,
) -> None:
stmt = insert_for(self.session, FundingRate.__table__).values(
portfolio_id=portfolio_id,
currency_id=currency_id,
effective_from=effective_from,
rate=rate,
created_by=user,
updated_by=user,
)
stmt = stmt.on_conflict_do_update(
index_elements=["portfolio_id", "currency_id", "effective_from"],
set_={
"rate": stmt.excluded.rate,
"updated_at": func.now(),
"updated_by": user,
},
)
await self.session.execute(stmt)
async def list_for_portfolio(
self, portfolio_id: int
) -> Sequence[tuple[FundingRate, str]]:
"""(ставка, код валюты), новые сверху."""
result = await self.session.execute(
select(FundingRate, Currency.code)
.join(Currency, Currency.id == FundingRate.currency_id)
.where(FundingRate.portfolio_id == portfolio_id)
.order_by(FundingRate.effective_from.desc(), Currency.code)
)
return result.tuples().all()