684 lines
26 KiB
Python
684 lines
26 KiB
Python
"""Postgres repository implementation for portfolios and ledger."""
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from __future__ import annotations
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import hashlib
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import json
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import uuid
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from dataclasses import dataclass
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from datetime import datetime, timezone
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from typing import Any
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import psycopg
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from psycopg import sql
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from app.domain.models import LedgerEntry, Portfolio, StrategySet
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_SELECT_PORTFOLIO = """
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SELECT
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portfolio_id,
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broker,
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status,
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symbol,
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cash_balance,
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asset_quantity,
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asset_price,
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profit_buffer,
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active_strategy_id,
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avabile_strategies,
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created_at,
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updated_at,
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last_trade_at
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FROM portfolios
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"""
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@dataclass(frozen=True)
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class PortfolioDBConfig:
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host: str
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port: int
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dbname: str
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user: str
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password: str
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sslmode: str
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connect_timeout_sec: int = 10
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application_name: str = "portfoliohub"
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class PostgresPortfolioRepository:
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def __init__(self, config: PortfolioDBConfig) -> None:
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self._config = config
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self._connection: psycopg.Connection | None = None
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def _connect(self) -> psycopg.Connection:
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if self._connection is None:
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self._connection = psycopg.connect(
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host=self._config.host,
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port=self._config.port,
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dbname=self._config.dbname,
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user=self._config.user,
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password=self._config.password,
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sslmode=self._config.sslmode,
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connect_timeout=self._config.connect_timeout_sec,
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application_name=self._config.application_name,
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autocommit=True,
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)
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return self._connection
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def close(self) -> None:
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if self._connection is not None:
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self._connection.close()
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self._connection = None
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def ping(self) -> None:
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with self._connect().cursor() as cur:
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cur.execute("SELECT 1")
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cur.fetchone()
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def ensure_schema(self) -> None:
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conn = self._connect()
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with conn.cursor() as cur:
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cur.execute(
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"""
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CREATE TABLE IF NOT EXISTS strategy_sets (
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id TEXT PRIMARY KEY,
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name TEXT NOT NULL,
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config TEXT NOT NULL DEFAULT '',
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nick TEXT NOT NULL UNIQUE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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UNIQUE (name, config)
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)
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"""
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)
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cur.execute(
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"""
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CREATE TABLE IF NOT EXISTS portfolios (
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portfolio_id TEXT PRIMARY KEY,
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broker TEXT NOT NULL DEFAULT 'kis',
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status TEXT NOT NULL DEFAULT 'enabled',
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symbol TEXT NOT NULL,
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cash_balance DOUBLE PRECISION NOT NULL,
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asset_quantity DOUBLE PRECISION NOT NULL,
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asset_price DOUBLE PRECISION NOT NULL DEFAULT 0,
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profit_buffer DOUBLE PRECISION NOT NULL DEFAULT 0,
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active_strategy_id TEXT DEFAULT NULL,
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avabile_strategies TEXT[] DEFAULT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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last_trade_at TIMESTAMPTZ
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)
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"""
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)
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cur.execute(
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"""
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CREATE TABLE IF NOT EXISTS portfolio_ledger (
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portfolio_id TEXT NOT NULL,
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recorded_at TIMESTAMPTZ NOT NULL,
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action TEXT NOT NULL,
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price DOUBLE PRECISION NOT NULL,
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quantity DOUBLE PRECISION NOT NULL,
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fee_amount DOUBLE PRECISION NOT NULL DEFAULT 0,
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tax_amount DOUBLE PRECISION NOT NULL DEFAULT 0,
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cash_balance_after DOUBLE PRECISION NOT NULL,
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asset_quantity_after DOUBLE PRECISION NOT NULL,
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total_value_after DOUBLE PRECISION NOT NULL,
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profit_buffer_after DOUBLE PRECISION NOT NULL DEFAULT 0,
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strategy_set_id TEXT NOT NULL DEFAULT 'legacy',
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note TEXT NOT NULL DEFAULT ''
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)
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"""
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)
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cur.execute(
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"""
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CREATE INDEX IF NOT EXISTS idx_portfolio_ledger_portfolio_time
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ON portfolio_ledger (portfolio_id, recorded_at DESC)
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"""
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)
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cur.execute(
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"""
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CREATE INDEX IF NOT EXISTS idx_portfolios_broker_status_updated
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ON portfolios (broker, status, updated_at DESC)
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"""
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)
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cur.execute("SELECT EXISTS (SELECT 1 FROM pg_extension WHERE extname = 'timescaledb')")
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if cur.fetchone()[0]:
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cur.execute(
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"""
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SELECT create_hypertable('portfolio_ledger', 'recorded_at', if_not_exists => TRUE)
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"""
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)
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@staticmethod
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def _row_to_portfolio(row: Any) -> Portfolio:
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if row is None:
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raise ValueError("포트폴리오를 찾을 수 없습니다")
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raw_available = row[9] if len(row) > 9 else None
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if raw_available is None:
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avabile_strategies = None
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elif isinstance(raw_available, list):
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avabile_strategies = [str(item) for item in raw_available]
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else:
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avabile_strategies = [str(raw_available)]
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return Portfolio(
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portfolio_id=row[0],
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broker=row[1] or "kis",
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status=row[2] or "enabled",
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symbol=row[3],
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cash_balance=float(row[4]),
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asset_quantity=float(row[5]),
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price=float(row[6]),
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profit_buffer=float(row[7]),
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active_strategy_id=row[8] if len(row) > 8 else None,
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avabile_strategies=avabile_strategies,
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created_at=row[10] if len(row) > 10 else None,
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updated_at=row[11] if len(row) > 11 else None,
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last_trade_at=row[12] if len(row) > 12 else None,
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)
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@staticmethod
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def _row_to_ledger_entry(row: Any) -> LedgerEntry:
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return LedgerEntry(
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portfolio_id=row[0],
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recorded_at=row[1],
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action=row[2],
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price=float(row[3]),
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quantity=float(row[4]),
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fee_amount=float(row[5]),
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tax_amount=float(row[6]),
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cash_balance_after=float(row[7]),
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asset_quantity_after=float(row[8]),
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total_value_after=float(row[9]),
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profit_buffer_after=float(row[10]),
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strategy_set_id=row[11] or "legacy",
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note=row[12] or "",
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)
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def get(self, portfolio_id: str) -> Portfolio:
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self.ensure_schema()
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with self._connect().cursor() as cur:
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cur.execute(_SELECT_PORTFOLIO + "WHERE portfolio_id = %s", (portfolio_id,))
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row = cur.fetchone()
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return self._row_to_portfolio(row)
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def get_or_create(
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self,
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portfolio_id: str,
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symbol: str,
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*,
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broker: str = "kis",
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status: str = "enabled",
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active_strategy_id: str | None = None,
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avabile_strategies: list[str] | None = None,
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initial_cash: float = 0.0,
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) -> Portfolio:
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self.ensure_schema()
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with self._connect().cursor() as cur:
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cur.execute(
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"""
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INSERT INTO portfolios (
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portfolio_id, broker, status, symbol,
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cash_balance, asset_quantity, asset_price, profit_buffer,
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active_strategy_id, avabile_strategies
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)
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VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
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ON CONFLICT (portfolio_id) DO NOTHING
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""",
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(
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portfolio_id,
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broker,
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status,
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symbol,
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float(initial_cash),
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0.0,
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0.0,
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0.0,
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active_strategy_id,
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avabile_strategies,
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),
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)
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cur.execute(_SELECT_PORTFOLIO + "WHERE portfolio_id = %s", (portfolio_id,))
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row = cur.fetchone()
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return self._row_to_portfolio(row)
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def create_portfolio(
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self,
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portfolio_id: str,
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*,
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broker: str,
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status: str,
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symbol: str,
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cash_balance: float,
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asset_quantity: float,
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asset_price: float,
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profit_buffer: float,
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active_strategy_id: str | None,
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avabile_strategies: list[str] | None,
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) -> Portfolio:
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self.ensure_schema()
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with self._connect().cursor() as cur:
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cur.execute("SELECT 1 FROM portfolios WHERE portfolio_id = %s", (portfolio_id,))
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if cur.fetchone() is not None:
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raise ValueError(f"이미 존재하는 포트폴리오입니다: {portfolio_id}")
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cur.execute(
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"""
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INSERT INTO portfolios (
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portfolio_id, broker, status, symbol,
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cash_balance, asset_quantity, asset_price, profit_buffer,
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active_strategy_id, avabile_strategies
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) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
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RETURNING
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portfolio_id, broker, status, symbol,
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cash_balance, asset_quantity, asset_price, profit_buffer,
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active_strategy_id, avabile_strategies, created_at, updated_at, last_trade_at
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""",
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(
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portfolio_id,
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broker,
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status,
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symbol,
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float(cash_balance),
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float(asset_quantity),
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float(asset_price),
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float(profit_buffer),
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active_strategy_id,
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avabile_strategies,
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),
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)
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row = cur.fetchone()
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return self._row_to_portfolio(row)
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def update_portfolio(self, portfolio_id: str, **fields: object) -> Portfolio:
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self.ensure_schema()
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allowed = {
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"broker": "broker",
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"status": "status",
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"symbol": "symbol",
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"asset_price": "asset_price",
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"active_strategy_id": "active_strategy_id",
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"avabile_strategies": "avabile_strategies",
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}
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assignments: list[str] = []
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params: list[object] = []
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for key, value in fields.items():
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if value is None or key not in allowed:
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continue
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if key == "avabile_strategies":
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assignments.append("avabile_strategies = %s")
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params.append(value)
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else:
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assignments.append(f"{allowed[key]} = %s")
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params.append(value)
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if not assignments:
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return self.get(portfolio_id)
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assignments.append("updated_at = NOW()")
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with self._connect().cursor() as cur:
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cur.execute(
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f"""
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UPDATE portfolios
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SET {', '.join(assignments)}
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WHERE portfolio_id = %s
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RETURNING
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portfolio_id, broker, status, symbol,
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cash_balance, asset_quantity, asset_price, profit_buffer,
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active_strategy_id, avabile_strategies, created_at, updated_at, last_trade_at
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""",
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(*params, portfolio_id),
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)
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row = cur.fetchone()
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return self._row_to_portfolio(row)
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def list_portfolios(self, *, broker: str | None = None, status: str | None = None) -> list[Portfolio]:
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self.ensure_schema()
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query = _SELECT_PORTFOLIO
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clauses: list[str] = []
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params: list[object] = []
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if broker is not None:
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clauses.append("broker = %s")
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params.append(broker)
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if status is not None:
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clauses.append("status = %s")
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params.append(status)
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if clauses:
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query += "WHERE " + " AND ".join(clauses) + " "
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query += "ORDER BY updated_at DESC, portfolio_id ASC"
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with self._connect().cursor() as cur:
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cur.execute(query, tuple(params))
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rows = cur.fetchall()
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return [self._row_to_portfolio(row) for row in rows]
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def get_or_create_strategy_set(self, name: str, config: str) -> StrategySet:
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self.ensure_schema()
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nick = f"{name}:{hashlib.sha1(config.encode('utf-8')).hexdigest()[:12]}"
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with self._connect().cursor() as cur:
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new_id = str(uuid.uuid4())
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cur.execute(
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"""
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INSERT INTO strategy_sets (id, name, config, nick)
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VALUES (%s, %s, %s, %s)
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ON CONFLICT (name, config) DO NOTHING
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""",
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(new_id, name, config, nick),
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)
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cur.execute(
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"""
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SELECT id, name, config, nick, created_at
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FROM strategy_sets
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WHERE name = %s AND config = %s
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""",
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(name, config),
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)
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row = cur.fetchone()
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return StrategySet(id=row[0], name=row[1], config=row[2], nick=row[3], created_at=row[4])
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def get_strategy_set(self, id: str) -> StrategySet | None:
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self.ensure_schema()
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with self._connect().cursor() as cur:
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cur.execute(
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"SELECT id, name, config, nick, created_at FROM strategy_sets WHERE id = %s",
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(id,),
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)
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row = cur.fetchone()
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if row is None:
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return None
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return StrategySet(id=row[0], name=row[1], config=row[2], nick=row[3], created_at=row[4])
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def save(
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self,
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portfolio: Portfolio,
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*,
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current_price: float,
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action: str,
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trade_price: float,
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quantity: float,
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fee_amount: float,
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tax_amount: float,
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total_value_after: float,
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strategy_set_id: str = "manual",
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note: str = "",
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) -> None:
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self.ensure_schema()
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trade_time = datetime.now(timezone.utc)
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with self._connect().cursor() as cur:
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cur.execute(
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"""
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UPDATE portfolios
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SET broker = %s,
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status = %s,
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symbol = %s,
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cash_balance = %s,
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asset_quantity = %s,
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asset_price = %s,
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profit_buffer = %s,
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active_strategy_id = %s,
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avabile_strategies = %s,
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updated_at = %s,
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last_trade_at = CASE WHEN %s IN ('BUY', 'SELL') THEN %s ELSE last_trade_at END
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WHERE portfolio_id = %s
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""",
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(
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portfolio.broker,
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portfolio.status,
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portfolio.symbol,
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float(portfolio.cash_balance),
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float(portfolio.asset_quantity),
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float(current_price),
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float(portfolio.profit_buffer),
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portfolio.active_strategy_id,
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portfolio.avabile_strategies,
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trade_time,
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action,
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trade_time,
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portfolio.portfolio_id,
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),
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)
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if action in {"BUY", "SELL"}:
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cur.execute(
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"""
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INSERT INTO portfolio_ledger (
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portfolio_id, recorded_at, action, price, quantity, fee_amount,
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tax_amount, cash_balance_after, asset_quantity_after,
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total_value_after, profit_buffer_after, strategy_set_id, note
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) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
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""",
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(
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portfolio.portfolio_id,
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trade_time,
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action,
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float(trade_price),
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float(quantity),
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float(fee_amount),
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float(tax_amount),
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float(portfolio.cash_balance),
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float(portfolio.asset_quantity),
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float(total_value_after),
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float(portfolio.profit_buffer),
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strategy_set_id,
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note,
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),
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)
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def list_recent_trades(self, portfolio_id: str, limit: int = 5) -> list[LedgerEntry]:
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self.ensure_schema()
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with self._connect().cursor() as cur:
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cur.execute(
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"""
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SELECT
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portfolio_id, recorded_at, action, price, quantity, fee_amount,
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tax_amount, cash_balance_after, asset_quantity_after,
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total_value_after, profit_buffer_after, strategy_set_id, note
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FROM portfolio_ledger
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WHERE portfolio_id = %s
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ORDER BY recorded_at DESC
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LIMIT %s
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""",
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(portfolio_id, int(limit)),
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)
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rows = cur.fetchall()
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return [self._row_to_ledger_entry(row) for row in rows]
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def reset(self, portfolio_id: str) -> Portfolio:
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self.ensure_schema()
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with self._connect().cursor() as cur:
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cur.execute(
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"""
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UPDATE portfolios
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SET cash_balance = 0,
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asset_quantity = 0,
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asset_price = 0,
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profit_buffer = 0,
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active_strategy_id = NULL,
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updated_at = NOW(),
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last_trade_at = NULL
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WHERE portfolio_id = %s
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RETURNING
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portfolio_id, broker, status, symbol,
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cash_balance, asset_quantity, asset_price, profit_buffer,
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active_strategy_id, avabile_strategies, created_at, updated_at, last_trade_at
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""",
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(portfolio_id,),
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)
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row = cur.fetchone()
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if row is None:
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raise ValueError("포트폴리오를 찾을 수 없습니다")
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cur.execute("DELETE FROM portfolio_ledger WHERE portfolio_id = %s", (portfolio_id,))
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return self._row_to_portfolio(row)
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def adjust_buffer(self, portfolio_id: str, amount: float, action: str, note: str = "") -> Portfolio:
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self.ensure_schema()
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normalized = str(action).upper()
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if normalized not in {"INVEST", "PROFIT", "WITHDRAW"}:
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raise ValueError("action은 INVEST, PROFIT, WITHDRAW 중 하나여야 합니다")
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if amount <= 0:
|
|
raise ValueError("amount는 0보다 커야 합니다")
|
|
with self._connect().cursor() as cur:
|
|
cur.execute(_SELECT_PORTFOLIO + "WHERE portfolio_id = %s", (portfolio_id,))
|
|
row = cur.fetchone()
|
|
if row is None:
|
|
raise ValueError("포트폴리오를 찾을 수 없습니다")
|
|
portfolio = self._row_to_portfolio(row)
|
|
updated_buffer = float(portfolio.profit_buffer)
|
|
if normalized == "INVEST":
|
|
updated_buffer += float(amount)
|
|
else:
|
|
updated_buffer -= float(amount)
|
|
if updated_buffer < 0:
|
|
raise ValueError("수익버퍼 잔액이 부족합니다")
|
|
cur.execute(
|
|
"""
|
|
UPDATE portfolios
|
|
SET profit_buffer = %s,
|
|
updated_at = NOW()
|
|
WHERE portfolio_id = %s
|
|
RETURNING
|
|
portfolio_id, broker, status, symbol,
|
|
cash_balance, asset_quantity, asset_price, profit_buffer,
|
|
active_strategy_id, avabile_strategies, created_at, updated_at, last_trade_at
|
|
""",
|
|
(updated_buffer, portfolio_id),
|
|
)
|
|
updated_row = cur.fetchone()
|
|
total_value = float(portfolio.cash_balance) + float(portfolio.asset_quantity) * float(portfolio.price)
|
|
cur.execute(
|
|
"""
|
|
INSERT INTO portfolio_ledger (
|
|
portfolio_id, recorded_at, action, price, quantity, fee_amount,
|
|
tax_amount, cash_balance_after, asset_quantity_after,
|
|
total_value_after, profit_buffer_after, strategy_set_id, note
|
|
) VALUES (%s, NOW(), %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
|
|
""",
|
|
(
|
|
portfolio_id,
|
|
normalized,
|
|
0.0,
|
|
0.0,
|
|
0.0,
|
|
0.0,
|
|
float(portfolio.cash_balance),
|
|
float(portfolio.asset_quantity),
|
|
float(total_value),
|
|
float(updated_buffer),
|
|
"manual",
|
|
note,
|
|
),
|
|
)
|
|
return self._row_to_portfolio(updated_row)
|
|
|
|
def transfer_buffer(self, portfolio_id: str, amount: float, direction: str, note: str = "") -> Portfolio:
|
|
self.ensure_schema()
|
|
normalized = str(direction).lower()
|
|
if normalized not in {"to-buffer", "from-buffer"}:
|
|
raise ValueError("direction은 to-buffer 또는 from-buffer 여야 합니다")
|
|
if amount <= 0:
|
|
raise ValueError("amount는 0보다 커야 합니다")
|
|
with self._connect().cursor() as cur:
|
|
cur.execute(_SELECT_PORTFOLIO + "WHERE portfolio_id = %s", (portfolio_id,))
|
|
row = cur.fetchone()
|
|
if row is None:
|
|
raise ValueError("포트폴리오를 찾을 수 없습니다")
|
|
portfolio = self._row_to_portfolio(row)
|
|
|
|
cash = float(portfolio.cash_balance)
|
|
buf = float(portfolio.profit_buffer)
|
|
if normalized == "to-buffer":
|
|
if cash < float(amount):
|
|
raise ValueError("이체 금액이 현금 잔고를 초과합니다")
|
|
cash -= float(amount)
|
|
buf += float(amount)
|
|
ledger_action = "BUFFER_IN"
|
|
else:
|
|
if buf < float(amount):
|
|
raise ValueError("이체 금액이 수익버퍼 잔고를 초과합니다")
|
|
buf -= float(amount)
|
|
cash += float(amount)
|
|
ledger_action = "BUFFER_OUT"
|
|
cur.execute(
|
|
"""
|
|
UPDATE portfolios
|
|
SET cash_balance = %s,
|
|
profit_buffer = %s,
|
|
updated_at = NOW()
|
|
WHERE portfolio_id = %s
|
|
RETURNING
|
|
portfolio_id, broker, status, symbol,
|
|
cash_balance, asset_quantity, asset_price, profit_buffer,
|
|
active_strategy_id, avabile_strategies, created_at, updated_at, last_trade_at
|
|
""",
|
|
(cash, buf, portfolio_id),
|
|
)
|
|
updated_row = cur.fetchone()
|
|
total_value = float(cash) + float(portfolio.asset_quantity) * float(portfolio.price)
|
|
cur.execute(
|
|
"""
|
|
INSERT INTO portfolio_ledger (
|
|
portfolio_id, recorded_at, action, price, quantity, fee_amount,
|
|
tax_amount, cash_balance_after, asset_quantity_after,
|
|
total_value_after, profit_buffer_after, strategy_set_id, note
|
|
) VALUES (%s, NOW(), %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)
|
|
""",
|
|
(
|
|
portfolio_id,
|
|
ledger_action,
|
|
0.0,
|
|
0.0,
|
|
0.0,
|
|
0.0,
|
|
float(cash),
|
|
float(portfolio.asset_quantity),
|
|
float(total_value),
|
|
float(buf),
|
|
"manual",
|
|
note,
|
|
),
|
|
)
|
|
return self._row_to_portfolio(updated_row)
|
|
|
|
def delete(self, portfolio_id: str, *, clear_ledger: bool = True) -> None:
|
|
self.ensure_schema()
|
|
with self._connect().cursor() as cur:
|
|
cur.execute("SELECT portfolio_id FROM portfolios WHERE portfolio_id = %s", (portfolio_id,))
|
|
if cur.fetchone() is None:
|
|
raise ValueError("포트폴리오를 찾을 수 없습니다")
|
|
if clear_ledger:
|
|
cur.execute("DELETE FROM portfolio_ledger WHERE portfolio_id = %s", (portfolio_id,))
|
|
cur.execute("DELETE FROM portfolios WHERE portfolio_id = %s", (portfolio_id,))
|
|
|
|
|
|
def database_exists(config: PortfolioDBConfig, *, maintenance_db: str = "postgres") -> bool:
|
|
with psycopg.connect(
|
|
host=config.host,
|
|
port=config.port,
|
|
dbname=maintenance_db,
|
|
user=config.user,
|
|
password=config.password,
|
|
sslmode=config.sslmode,
|
|
connect_timeout=config.connect_timeout_sec,
|
|
application_name=config.application_name,
|
|
autocommit=True,
|
|
) as conn:
|
|
with conn.cursor() as cur:
|
|
cur.execute("SELECT 1 FROM pg_database WHERE datname = %s", (config.dbname,))
|
|
return cur.fetchone() is not None
|
|
|
|
|
|
def create_database_if_missing(config: PortfolioDBConfig, *, maintenance_db: str = "postgres") -> bool:
|
|
with psycopg.connect(
|
|
host=config.host,
|
|
port=config.port,
|
|
dbname=maintenance_db,
|
|
user=config.user,
|
|
password=config.password,
|
|
sslmode=config.sslmode,
|
|
connect_timeout=config.connect_timeout_sec,
|
|
application_name=config.application_name,
|
|
autocommit=True,
|
|
) as conn:
|
|
with conn.cursor() as cur:
|
|
cur.execute("SELECT 1 FROM pg_database WHERE datname = %s", (config.dbname,))
|
|
if cur.fetchone() is not None:
|
|
return False
|
|
cur.execute(sql.SQL("CREATE DATABASE {}") .format(sql.Identifier(config.dbname)))
|
|
return True
|