173 lines
6.9 KiB
Python
173 lines
6.9 KiB
Python
from __future__ import annotations
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import asyncio
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import logging
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from contextlib import asynccontextmanager
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from datetime import datetime, timezone
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from typing import TYPE_CHECKING
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from fastapi import FastAPI, HTTPException, Request, status
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from fastapi.encoders import jsonable_encoder
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from fastapi.responses import JSONResponse, Response
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import settings
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from trading_journal import db, service
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from trading_journal.dto import CycleBase, ExchangesBase, ExchangesRead, SessionsBase, SessionsCreate, UserCreate, UserLogin, UserRead
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if TYPE_CHECKING:
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from collections.abc import AsyncGenerator
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from trading_journal.db import Database
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_db = db.create_database(settings.settings.database_url)
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logging.basicConfig(
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level=logging.WARNING,
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format="%(asctime)s %(levelname)s %(name)s: %(message)s",
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)
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logger = logging.getLogger(__name__)
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@asynccontextmanager
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async def lifespan(app: FastAPI) -> AsyncGenerator[None, None]: # noqa: ARG001
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await asyncio.to_thread(_db.init_db)
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try:
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yield
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finally:
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await asyncio.to_thread(_db.dispose)
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app = FastAPI(lifespan=lifespan)
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app.add_middleware(service.AuthMiddleWare)
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app.state.db_factory = _db
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@app.get(f"{settings.settings.api_base}/status")
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async def get_status() -> dict[str, str]:
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return {"status": "ok"}
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@app.post(f"{settings.settings.api_base}/register")
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async def register_user(request: Request, user_in: UserCreate) -> Response:
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db_factory: Database = request.app.state.db_factory
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def sync_work() -> UserRead:
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with db_factory.get_session_ctx_manager() as db:
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return service.register_user_service(db, user_in)
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try:
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user = await asyncio.to_thread(sync_work)
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return JSONResponse(status_code=status.HTTP_201_CREATED, content=user.model_dump())
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except service.UserAlreadyExistsError as e:
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raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(e)) from e
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except Exception as e:
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logger.exception("Failed to register user: \n")
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raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="Internal server error") from e
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@app.post(f"{settings.settings.api_base}/login")
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async def login(request: Request, user_in: UserLogin) -> Response:
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db_factory: Database = request.app.state.db_factory
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def sync_work() -> tuple[SessionsCreate, str] | None:
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with db_factory.get_session_ctx_manager() as db:
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return service.authenticate_user_service(db, user_in)
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try:
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result = await asyncio.to_thread(sync_work)
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if result is None:
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return JSONResponse(
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status_code=status.HTTP_401_UNAUTHORIZED,
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content={"detail": "Invalid username or password, or user doesn't exist"},
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)
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session, token = result
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session_return = SessionsBase(user_id=session.user_id)
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response = JSONResponse(status_code=status.HTTP_200_OK, content=session_return.model_dump())
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expires_sec = int((session.expires_at.replace(tzinfo=timezone.utc) - datetime.now(timezone.utc)).total_seconds())
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response.set_cookie(
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key="session_token",
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value=token,
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httponly=True,
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secure=True,
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samesite="lax",
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max_age=expires_sec,
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path="/",
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)
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except Exception as e:
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logger.exception("Failed to login user: \n")
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raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="Internal server error") from e
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else:
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return response
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# Exchange
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@app.post(f"{settings.settings.api_base}/exchanges")
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async def create_exchange(request: Request, exchange_data: ExchangesBase) -> Response:
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db_factory: Database = request.app.state.db_factory
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def sync_work() -> ExchangesBase:
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with db_factory.get_session_ctx_manager() as db:
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return service.create_exchange_service(db, request.state.user_id, exchange_data.name, exchange_data.notes)
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try:
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exchange = await asyncio.to_thread(sync_work)
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return JSONResponse(status_code=status.HTTP_201_CREATED, content=exchange.model_dump())
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except service.ExchangeAlreadyExistsError as e:
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raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(e)) from e
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except Exception as e:
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logger.exception("Failed to create exchange: \n")
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raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="Internal server error") from e
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@app.get(f"{settings.settings.api_base}/exchanges")
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async def get_exchanges(request: Request) -> list[ExchangesRead]:
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db_factory: Database = request.app.state.db_factory
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def sync_work() -> list[ExchangesRead]:
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with db_factory.get_session_ctx_manager() as db:
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return service.get_exchanges_by_user_service(db, request.state.user_id)
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try:
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return await asyncio.to_thread(sync_work)
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except Exception as e:
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logger.exception("Failed to get exchanges: \n")
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raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="Internal server error") from e
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@app.patch(f"{settings.settings.api_base}/exchanges/{{exchange_id}}")
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async def update_exchange(request: Request, exchange_id: int, exchange_data: ExchangesBase) -> Response:
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db_factory: Database = request.app.state.db_factory
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def sync_work() -> ExchangesBase:
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with db_factory.get_session_ctx_manager() as db:
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return service.update_exchanges_service(db, request.state.user_id, exchange_id, exchange_data.name, exchange_data.notes)
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try:
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exchange = await asyncio.to_thread(sync_work)
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return JSONResponse(status_code=status.HTTP_200_OK, content=exchange.model_dump())
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except service.ExchangeNotFoundError as e:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=str(e)) from e
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except service.ExchangeAlreadyExistsError as e:
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raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(e)) from e
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except Exception as e:
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logger.exception("Failed to update exchange: \n")
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raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="Internal server error") from e
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# Cycle
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@app.post(f"{settings.settings.api_base}/cycles")
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async def create_cycle(request: Request, cycle_data: CycleBase) -> Response:
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return JSONResponse(status_code=status.HTTP_405_METHOD_NOT_ALLOWED, content="Not supported.")
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db_factory: Database = request.app.state.db_factory
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def sync_work() -> CycleBase:
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with db_factory.get_session_ctx_manager() as db:
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return service.create_cycle_service(db, request.state.user_id, cycle_data)
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try:
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cycle = await asyncio.to_thread(sync_work)
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return JSONResponse(status_code=status.HTTP_201_CREATED, content=jsonable_encoder(cycle))
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except Exception as e:
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logger.exception("Failed to create cycle: \n")
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raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail="Internal server error") from e
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