TIANHE
124 lines
3.6 KiB
Python
124 lines
3.6 KiB
Python
"""
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K线数据 API 路由
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"""
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from flask import Blueprint, request, jsonify
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from datetime import datetime
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import traceback
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from app.services.kline import KlineService
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from app.utils.logger import get_logger
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logger = get_logger(__name__)
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kline_bp = Blueprint('kline', __name__)
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kline_service = KlineService()
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@kline_bp.route('/kline', methods=['GET'])
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def get_kline():
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"""
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获取K线数据
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参数:
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market: 市场类型 (Crypto, USStock, Forex, Futures)
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symbol: 交易对/股票代码
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timeframe: 时间周期 (1m, 5m, 15m, 30m, 1H, 4H, 1D, 1W)
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limit: 数据条数 (默认300)
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before_time: 获取此时间之前的数据 (可选，Unix时间戳)
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"""
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try:
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# 强制 GET, 使用 request.args
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market = request.args.get('market', 'USStock')
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symbol = request.args.get('symbol', '')
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timeframe = request.args.get('timeframe', '1D')
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limit = int(request.args.get('limit', 300))
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before_time = request.args.get('before_time') or request.args.get('beforeTime')
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if before_time:
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before_time = int(before_time)
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if not symbol:
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return jsonify({
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'code': 0,
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'msg': 'Missing symbol parameter',
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'data': None
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}), 400
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logger.info(f"Requesting K-lines: {market}:{symbol}, timeframe={timeframe}, limit={limit}")
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klines = kline_service.get_kline(
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market=market,
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symbol=symbol,
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timeframe=timeframe,
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limit=limit,
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before_time=before_time
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)
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if not klines:
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# 针对特定情况给出更详细的提示
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msg = 'No data found'
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if market == 'Forex' and timeframe == '1m':
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msg = 'Forex 1-minute data requires Tiingo paid subscription'
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elif market == 'Forex' and timeframe in ('1W', '1M'):
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msg = 'No weekly/monthly data available for this period'
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return jsonify({
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'code': 0,
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'msg': msg,
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'data': [],
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'hint': 'tiingo_subscription' if (market == 'Forex' and timeframe == '1m') else None
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})
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return jsonify({
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'code': 1,
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'msg': 'success',
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'data': klines
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})
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except Exception as e:
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logger.error(f"Failed to fetch K-lines: {str(e)}")
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logger.error(traceback.format_exc())
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return jsonify({
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'code': 0,
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'msg': f'Failed to fetch kline data: {str(e)}',
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'data': None
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}), 500
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@kline_bp.route('/price', methods=['GET'])
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def get_price():
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"""获取最新价格"""
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try:
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market = request.args.get('market', 'USStock')
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symbol = request.args.get('symbol', '')
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if not symbol:
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return jsonify({
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'code': 0,
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'msg': 'Missing symbol parameter',
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'data': None
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}), 400
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price_data = kline_service.get_latest_price(market, symbol)
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if not price_data:
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return jsonify({
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'code': 0,
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'msg': 'No price data found',
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'data': None
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})
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return jsonify({
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'code': 1,
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'msg': 'success',
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'data': price_data
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})
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except Exception as e:
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logger.error(f"Failed to fetch price: {str(e)}")
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return jsonify({
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'code': 0,
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'msg': f'Failed to fetch price: {str(e)}',
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'data': None
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}), 500
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