289 lines
10 KiB
Python
289 lines
10 KiB
Python
"""
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API route definitions for TradingAgentsX Backend
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"""
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from fastapi import APIRouter, Depends, HTTPException
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from datetime import datetime
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import logging
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import threading
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from backend.app.models.schemas import (
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AnalysisRequest,
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AnalysisResponse,
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ConfigResponse,
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HealthResponse,
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Ticker,
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TaskCreatedResponse,
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TaskStatusResponse,
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DownloadRequest,
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)
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from backend.app.services.trading_service import TradingService
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from backend.app.services.task_manager import task_manager
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from backend.app.api.dependencies import get_trading_service
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from backend.app.core.config import settings
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logger = logging.getLogger(__name__)
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# Create API router
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router = APIRouter(prefix="/api", tags=["TradingAgentsX"])
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@router.get("/health", response_model=HealthResponse)
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async def health_check():
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"""Health check endpoint"""
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from backend.app.services.redis_client import is_redis_available
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return HealthResponse(
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status="healthy",
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version=settings.app_version,
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timestamp=datetime.now().isoformat(),
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redis_connected=is_redis_available(),
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)
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@router.get("/config", response_model=ConfigResponse)
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async def get_config(service: TradingService = Depends(get_trading_service)):
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"""Get available configuration options"""
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return ConfigResponse(
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available_analysts=service.get_available_analysts(),
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available_llms=service.get_available_llms(),
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default_config=service.get_default_config(),
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)
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@router.post("/analyze", response_model=TaskCreatedResponse)
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async def run_analysis(
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request: AnalysisRequest,
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service: TradingService = Depends(get_trading_service),
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):
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"""
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Start an async trading analysis task.
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This endpoint creates an async task and returns immediately with a task ID.
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Use the /api/task/{task_id} endpoint to check the status and get results.
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Args:
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request: Analysis request configuration
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service: Trading service instance (injected)
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Returns:
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TaskCreatedResponse: Task ID and initial status
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"""
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logger.info(f"Creating analysis task for {request.ticker} on {request.analysis_date}")
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# Create task in Redis
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task_id = task_manager.create_task({
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"ticker": request.ticker,
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"analysis_date": request.analysis_date,
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})
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# Start background analysis
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def run_background_analysis():
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import asyncio
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try:
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task_manager.update_task_status(
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task_id,
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"running",
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progress="Starting analysis..."
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)
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# Run async function in sync context
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result = asyncio.run(service.run_analysis(
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ticker=request.ticker,
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analysis_date=request.analysis_date,
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analysts=request.analysts,
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research_depth=request.research_depth,
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market_type=request.market_type or "us", # 預設美股
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deep_think_llm=request.deep_think_llm,
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quick_think_llm=request.quick_think_llm,
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openai_api_key=request.openai_api_key or "", # Pass empty string if None, service handles it
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openai_base_url=request.openai_base_url,
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quick_think_base_url=request.quick_think_base_url,
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deep_think_base_url=request.deep_think_base_url,
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quick_think_api_key=request.quick_think_api_key or "",
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deep_think_api_key=request.deep_think_api_key or "",
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embedding_base_url=request.embedding_base_url,
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embedding_api_key=request.embedding_api_key or "",
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alpha_vantage_api_key=request.alpha_vantage_api_key or "",
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finmind_api_key=request.finmind_api_key or "",
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))
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# Check for errors in result
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if "status" in result and result["status"] == "error":
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task_manager.set_task_error(
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task_id,
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error=result.get("message", "Analysis failed")
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)
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else:
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task_manager.set_task_result(task_id, result=result)
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except Exception as e:
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logger.error(f"Analysis task {task_id} failed: {str(e)}", exc_info=True)
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task_manager.set_task_error(
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task_id,
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error=str(e)
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)
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# Start background thread
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thread = threading.Thread(target=run_background_analysis, daemon=True)
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thread.start()
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return TaskCreatedResponse(
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task_id=task_id,
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status="pending",
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message="Analysis task created successfully"
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)
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@router.get("/task/{task_id}", response_model=TaskStatusResponse)
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async def get_task_status(task_id: str):
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"""
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Get the status of an analysis task.
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Args:
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task_id: Task identifier
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Returns:
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TaskStatusResponse: Current task status and results if completed
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Raises:
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HTTPException: If task not found
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"""
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task = task_manager.get_task_status(task_id)
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if not task:
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raise HTTPException(status_code=404, detail=f"Task {task_id} not found")
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return TaskStatusResponse(**task)
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@router.get("/tickers")
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async def get_tickers():
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"""Get list of popular tickers (example endpoint)"""
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return {
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"tickers": [
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{"symbol": "AAPL", "name": "Apple Inc."},
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{"symbol": "NVDA", "name": "NVIDIA Corporation"},
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{"symbol": "MSFT", "name": "Microsoft Corporation"},
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{"symbol": "GOOGL", "name": "Alphabet Inc."},
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{"symbol": "AMZN", "name": "Amazon.com Inc."},
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{"symbol": "TSLA", "name": "Tesla Inc."},
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{"symbol": "META", "name": "Meta Platforms Inc."},
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{"symbol": "SPY", "name": "SPDR S&P 500 ETF Trust"},
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{"symbol": "QQQ", "name": "Invesco QQQ Trust"},
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]
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}
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@router.post("/download/reports")
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async def download_reports(request: DownloadRequest):
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"""
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Download all analyst reports as a single combined PDF
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Creates a professional PDF with:
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- Cover page: Ticker + Analysis Date
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- Table of Contents: Price chart + Analyst list
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- All analyst reports as separate sections
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Supports two modes:
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1. Task-based: If task_id is provided, lookup reports from task manager
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2. Direct mode: If no task_id, use the directly provided reports data (for saved history)
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Args:
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request: Download request with ticker, date, analysts, and either task_id or direct reports
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Returns:
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Single combined PDF file (e.g., AVGO_Combined_Report_2025-12-16.pdf)
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"""
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from fastapi.responses import Response
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from backend.app.services.download_service import download_service
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# Determine data source: task-based or direct mode
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if request.task_id:
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# Task-based mode: lookup from task manager
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task = task_manager.get_task_status(request.task_id)
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if not task:
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raise HTTPException(status_code=404, detail=f"Task {request.task_id} not found")
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if task.get("status") != "completed":
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raise HTTPException(status_code=400, detail="Task is not completed yet")
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result = task.get("result")
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if not result:
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raise HTTPException(status_code=404, detail="No analysis result found")
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reports_data = result.get("reports", {})
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price_data = result.get("price_data")
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price_stats = result.get("price_stats")
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else:
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# Direct mode: use provided reports data
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if not request.reports:
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raise HTTPException(status_code=400, detail="Either task_id or reports data is required")
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reports_data = request.reports
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price_data = request.price_data
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price_stats = request.price_stats
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# Analyst name mapping
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ANALYST_MAPPING = {
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"market": ("市場分析師", "market_report"),
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"social": ("社群媒體分析師", "sentiment_report"),
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"news": ("新聞分析師", "news_report"),
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"fundamentals": ("基本面分析師", "fundamentals_report"),
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"bull": ("看漲研究員", "investment_debate_state.bull_history"),
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"bear": ("看跌研究員", "investment_debate_state.bear_history"),
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"research_manager": ("研究經理", "investment_debate_state.judge_decision"),
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"trader": ("交易員", "trader_investment_plan"),
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"risky": ("激進分析師", "risk_debate_state.risky_history"),
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"safe": ("保守分析師", "risk_debate_state.safe_history"),
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"neutral": ("中立分析師", "risk_debate_state.neutral_history"),
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"risk_manager": ("風險經理", "risk_debate_state.judge_decision"),
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}
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# Helper function to get nested value
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def get_nested_value(obj: dict, path: str):
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keys = path.split('.')
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for key in keys:
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if isinstance(obj, dict):
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obj = obj.get(key)
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else:
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return None
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return obj
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# Collect reports
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reports_to_download = []
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for analyst_key in request.analysts:
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if analyst_key not in ANALYST_MAPPING:
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continue
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analyst_name, report_key = ANALYST_MAPPING[analyst_key]
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report_content = get_nested_value(reports_data, report_key)
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if report_content:
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reports_to_download.append({
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"analyst_name": analyst_name,
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"report_content": report_content,
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})
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if not reports_to_download:
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raise HTTPException(status_code=404, detail="No reports found for selected analysts")
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# Always generate combined PDF
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pdf_bytes, filename = download_service.create_combined_pdf(
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ticker=request.ticker,
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analysis_date=request.analysis_date,
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reports=reports_to_download,
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price_data=price_data,
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price_stats=price_stats,
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)
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return Response(
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content=pdf_bytes,
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media_type="application/pdf",
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headers={
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"Content-Disposition": f"attachment; filename={filename}"
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}
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)
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