187 lines
5.5 KiB
Python
187 lines
5.5 KiB
Python
"""
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信号 API - 提供加密货币和美股信号查询接口（数据库版本）
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"""
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from fastapi import APIRouter, HTTPException, Query
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from typing import Dict, List, Optional, Any
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from app.services.signal_database_service import get_signal_db_service
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from app.utils.logger import logger
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router = APIRouter(prefix="/api/signals", tags=["信号管理"])
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@router.get("/crypto")
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async def get_crypto_signals(
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limit: int = Query(50, ge=1, le=200, description="返回数量限制"),
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symbol: Optional[str] = Query(None, description="过滤指定交易对"),
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days: int = Query(7, ge=1, le=30, description="查询最近多少天的信号")
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) -> Dict[str, Any]:
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"""
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获取加密货币信号列表
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Args:
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limit: 返回数量限制（默认50）
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symbol: 过滤指定交易对
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days: 查询最近多少天的信号（默认7天）
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Returns:
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信号列表
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"""
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try:
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service = get_signal_db_service()
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if symbol:
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# 获取指定交易对的最新信号
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signal = service.get_latest_signal('crypto', symbol)
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return {
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'success': True,
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'symbol': symbol,
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'signal': signal,
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'count': 1 if signal else 0
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}
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else:
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# 获取所有信号
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signals = service.get_crypto_signals(limit=limit, days=days)
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return {
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'success': True,
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'signals': signals,
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'count': len(signals)
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}
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except Exception as e:
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logger.error(f"获取加密货币信号失败: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@router.get("/stock")
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async def get_stock_signals(
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limit: int = Query(50, ge=1, le=200, description="返回数量限制"),
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symbol: Optional[str] = Query(None, description="过滤指定股票"),
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days: int = Query(7, ge=1, le=30, description="查询最近多少天的信号")
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) -> Dict[str, Any]:
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"""
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获取美股信号列表
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Args:
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limit: 返回数量限制（默认50）
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symbol: 过滤指定股票
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days: 查询最近多少天的信号（默认7天）
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Returns:
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信号列表
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"""
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try:
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service = get_signal_db_service()
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if symbol:
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# 获取指定股票的最新信号
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signal = service.get_latest_signal('stock', symbol)
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return {
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'success': True,
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'symbol': symbol,
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'signal': signal,
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'count': 1 if signal else 0
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}
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else:
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# 获取所有信号
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signals = service.get_stock_signals(limit=limit, days=days)
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return {
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'success': True,
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'signals': signals,
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'count': len(signals)
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}
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except Exception as e:
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logger.error(f"获取美股信号失败: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@router.get("/all")
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async def get_all_signals(
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limit: int = Query(50, ge=1, le=200, description="每种类型返回数量限制"),
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days: int = Query(7, ge=1, le=30, description="查询最近多少天的信号")
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) -> Dict[str, Any]:
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"""
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获取所有信号（加密货币 + 美股）
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Args:
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limit: 每种类型返回数量限制（默认50）
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days: 查询最近多少天的信号（默认7天）
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Returns:
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所有信号
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"""
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try:
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service = get_signal_db_service()
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signals = service.get_all_signals(limit=limit, days=days)
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return {
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'success': True,
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'crypto': {
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'signals': signals['crypto'],
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'count': len(signals['crypto'])
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},
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'stock': {
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'signals': signals['stock'],
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'count': len(signals['stock'])
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},
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'total_count': len(signals['crypto']) + len(signals['stock'])
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}
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except Exception as e:
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logger.error(f"获取所有信号失败: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@router.get("/latest")
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async def get_latest_signals(
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limit: int = Query(20, ge=1, le=100, description="返回数量限制"),
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days: int = Query(7, ge=1, le=30, description="查询最近多少天的信号")
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) -> Dict[str, Any]:
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"""
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获取最新的所有信号（按时间排序）
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Args:
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limit: 返回数量限制（默认20）
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days: 查询最近多少天的信号（默认7天）
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Returns:
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最新信号列表
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"""
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try:
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service = get_signal_db_service()
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signals = service.get_latest_signals(limit=limit, days=days)
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return {
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'success': True,
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'signals': signals,
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'count': len(signals)
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}
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except Exception as e:
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logger.error(f"获取最新信号失败: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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@router.get("/stats")
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async def get_signal_stats(
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days: int = Query(7, ge=1, le=30, description="统计最近多少天的信号")
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) -> Dict[str, Any]:
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"""
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获取信号统计信息
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Args:
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days: 统计最近多少天的信号（默认7天）
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Returns:
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统计数据
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"""
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try:
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service = get_signal_db_service()
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stats = service.get_signal_stats(days=days)
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return {
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'success': True,
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**stats
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}
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except Exception as e:
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logger.error(f"获取信号统计失败: {e}")
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raise HTTPException(status_code=500, detail=str(e))
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