feature/db #2

Merged
tliu93 merged 16 commits from feature/db into main 2025-09-18 14:28:18 +02:00
5 changed files with 90 additions and 29 deletions
Showing only changes of commit 738df559cb - Show all commits

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@@ -4,7 +4,7 @@ line-length = 144
[lint] [lint]
select = ["ALL"] select = ["ALL"]
fixable = ["UP034", "I001"] fixable = ["UP034", "I001"]
ignore = ["T201", "D", "ANN101", "TD002", "TD003"] ignore = ["T201", "D", "ANN101", "TD002", "TD003", "TRY003", "EM102"]
[lint.extend-per-file-ignores] [lint.extend-per-file-ignores]
"test*.py" = ["S101"] "test*.py" = ["S101"]

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@@ -7,7 +7,7 @@ from sqlalchemy import event
from sqlalchemy.pool import StaticPool from sqlalchemy.pool import StaticPool
from sqlmodel import Session, create_engine from sqlmodel import Session, create_engine
import trading_journal.db_migration from trading_journal import db_migration
if TYPE_CHECKING: if TYPE_CHECKING:
from collections.abc import Generator from collections.abc import Generator
@@ -33,6 +33,8 @@ class Database:
def _enable_sqlite_pragmas(dbapi_conn: DBAPIConnection, _connection_record: object) -> None: def _enable_sqlite_pragmas(dbapi_conn: DBAPIConnection, _connection_record: object) -> None:
try: try:
cur = dbapi_conn.cursor() cur = dbapi_conn.cursor()
cur.execute("PRAGMA journal_mode=WAL;")
cur.execute("PRAGMA synchronous=NORMAL;")
cur.execute("PRAGMA foreign_keys=ON;") cur.execute("PRAGMA foreign_keys=ON;")
cur.execute("PRAGMA busy_timeout=30000;") cur.execute("PRAGMA busy_timeout=30000;")
cur.close() cur.close()
@@ -43,7 +45,7 @@ class Database:
event.listen(self._engine, "connect", _enable_sqlite_pragmas) event.listen(self._engine, "connect", _enable_sqlite_pragmas)
def init_db(self) -> None: def init_db(self) -> None:
pass db_migration.run_migrations(self._engine)
def get_session(self) -> Generator[Session, None, None]: def get_session(self) -> Generator[Session, None, None]:
session = Session(self._engine) session = Session(self._engine)

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@@ -1,12 +1,13 @@
from __future__ import annotations from __future__ import annotations
from typing import Callable from typing import TYPE_CHECKING, Callable
from sqlalchemy import text from sqlalchemy import text
from sqlalchemy.engine import Connection, Engine
from sqlmodel import SQLModel from sqlmodel import SQLModel
# 最新 schema 版本号 if TYPE_CHECKING:
from sqlalchemy.engine import Connection, Engine
LATEST_VERSION = 1 LATEST_VERSION = 1
@@ -17,6 +18,8 @@ def _mig_0_1(engine: Engine) -> None:
""" """
# Ensure all models are imported before this is called (import side-effect registers tables) # Ensure all models are imported before this is called (import side-effect registers tables)
# e.g. trading_journal.models is imported in the caller / app startup. # e.g. trading_journal.models is imported in the caller / app startup.
from trading_journal import models_v1 # noqa: PLC0415, F401
SQLModel.metadata.create_all(bind=engine) SQLModel.metadata.create_all(bind=engine)
@@ -31,7 +34,7 @@ def _get_sqlite_user_version(conn: Connection) -> int:
return int(row[0]) if row and row[0] is not None else 0 return int(row[0]) if row and row[0] is not None else 0
def _set_sqlite_user_version(conn, v: int) -> None: def _set_sqlite_user_version(conn: Connection, v: int) -> None:
conn.execute(text(f"PRAGMA user_version = {int(v)}")) conn.execute(text(f"PRAGMA user_version = {int(v)}"))
@@ -54,23 +57,4 @@ def run_migrations(engine: Engine, target_version: int | None = None) -> int:
_set_sqlite_user_version(conn, cur_version + 1) _set_sqlite_user_version(conn, cur_version + 1)
cur_version += 1 cur_version += 1
return cur_version return cur_version
else: return -1 # unknown / unsupported driver; no-op
# generic migrations table for non-sqlite
conn.execute(
text("""
CREATE TABLE IF NOT EXISTS migrations (
version INTEGER PRIMARY KEY,
applied_at TEXT DEFAULT CURRENT_TIMESTAMP
)
""")
)
row = conn.execute(text("SELECT MAX(version) FROM migrations")).fetchone()
cur_version = int(row[0]) if row and row[0] is not None else 0
while cur_version < target:
fn = MIGRATIONS.get(cur_version)
if fn is None:
raise RuntimeError(f"No migration from {cur_version} -> {cur_version + 1}")
fn(engine)
conn.execute(text("INSERT INTO migrations(version) VALUES (:v)"), {"v": cur_version + 1})
cur_version += 1
return cur_version

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@@ -2,7 +2,6 @@ from __future__ import annotations
from datetime import date, datetime # noqa: TC003 from datetime import date, datetime # noqa: TC003
from enum import Enum from enum import Enum
from typing import TYPE_CHECKING
from sqlmodel import Column, DateTime, Field, Relationship, SQLModel from sqlmodel import Column, DateTime, Field, Relationship, SQLModel
from sqlmodel import Enum as SQLEnum from sqlmodel import Enum as SQLEnum
@@ -15,6 +14,13 @@ class TradeType(str, Enum):
EXERCISE_CALL = "EXERCISE_CALL" EXERCISE_CALL = "EXERCISE_CALL"
class TradeStrategy(str, Enum):
WHEELS = "WHEEL"
FX = "FX"
SPOT = "SPOT"
OTHER = "OTHER"
class CycleStatus(str, Enum): class CycleStatus(str, Enum):
OPEN = "OPEN" OPEN = "OPEN"
CLOSED = "CLOSED" CLOSED = "CLOSED"
@@ -33,6 +39,7 @@ class Trades(SQLModel, table=True):
symbol: str symbol: str
underlying_currency: str underlying_currency: str
trade_type: TradeType = Field(sa_column=Column(SQLEnum(TradeType, name="trade_type_enum"), nullable=False)) trade_type: TradeType = Field(sa_column=Column(SQLEnum(TradeType, name="trade_type_enum"), nullable=False))
trade_strategy: TradeStrategy = Field(sa_column=Column(SQLEnum(TradeStrategy, name="trade_strategy_enum"), nullable=False))
trade_time_utc: datetime = Field(sa_column=Column(DateTime(timezone=True), nullable=False)) trade_time_utc: datetime = Field(sa_column=Column(DateTime(timezone=True), nullable=False))
expiry_date: date | None = Field(default=None, nullable=True) expiry_date: date | None = Field(default=None, nullable=True)
strike_price_cents: int | None = Field(default=None, nullable=True) strike_price_cents: int | None = Field(default=None, nullable=True)

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@@ -0,0 +1,68 @@
from __future__ import annotations
from datetime import date, datetime # noqa: TC003
from enum import Enum
from sqlmodel import Column, DateTime, Field, Relationship, SQLModel
from sqlmodel import Enum as SQLEnum
class TradeType(str, Enum):
SELL_PUT = "SELL_PUT"
ASSIGNMENT = "ASSIGNMENT"
SELL_CALL = "SELL_CALL"
EXERCISE_CALL = "EXERCISE_CALL"
class TradeStrategy(str, Enum):
WHEELS = "WHEEL"
FX = "FX"
SPOT = "SPOT"
OTHER = "OTHER"
class CycleStatus(str, Enum):
OPEN = "OPEN"
CLOSED = "CLOSED"
class FundingSource(str, Enum):
CASH = "CASH"
MARGIN = "MARGIN"
MIXED = "MIXED"
class Trades(SQLModel, table=True):
__tablename__ = "trades"
id: str | None = Field(default=None, primary_key=True)
user_id: str
symbol: str
underlying_currency: str
trade_type: TradeType = Field(sa_column=Column(SQLEnum(TradeType, name="trade_type_enum"), nullable=False))
trade_strategy: TradeStrategy = Field(sa_column=Column(SQLEnum(TradeStrategy, name="trade_strategy_enum"), nullable=False))
trade_time_utc: datetime = Field(sa_column=Column(DateTime(timezone=True), nullable=False))
expiry_date: date | None = Field(default=None, nullable=True)
strike_price_cents: int | None = Field(default=None, nullable=True)
quantity: int
price_cents: int
gross_cash_flow_cents: int
commission_cents: int
net_cash_flow_cents: int
cycle_id: str | None = Field(default=None, foreign_key="cycles.id", nullable=True)
cycle: Cycles | None = Relationship(back_populates="trades")
class Cycles(SQLModel, table=True):
__tablename__ = "cycles"
id: str | None = Field(default=None, primary_key=True)
user_id: str
symbol: str
underlying_currency: str
start_date: date
end_date: date | None = Field(default=None, nullable=True)
status: CycleStatus = Field(sa_column=Column(SQLEnum(CycleStatus, name="cycle_status_enum"), nullable=False))
funding_source: FundingSource = Field(sa_column=Column(SQLEnum(FundingSource, name="funding_source_enum"), nullable=False))
capital_exposure_cents: int
loan_amount_cents: int | None = Field(default=None, nullable=True)
loan_interest_rate_bps: int | None = Field(default=None, nullable=True)
trades: list[Trades] = Relationship(back_populates="cycle")