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53 lines
2.5 KiB
53 lines
2.5 KiB
2 weeks ago
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"""
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数据缓冲平台 - 数据模型 (SQLAlchemy ORM)
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"""
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from datetime import datetime
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from sqlalchemy import Column, String, Integer, Float, Text, DateTime, Boolean, Index, UniqueConstraint
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from app.database import Base
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class MarketData(Base):
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"""缓存的市场数据表"""
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__tablename__ = "market_data"
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id = Column(Integer, primary_key=True, autoincrement=True)
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symbol = Column(String(32), nullable=False, index=True, comment="品种合约代码")
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data_type = Column(String(16), nullable=False, default="futures", comment="数据类型: futures/stock")
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period = Column(String(16), nullable=False, index=True, comment="周期: 5min/15min/30min/60min/daily")
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# K线数据以 JSON 字符串形式存储
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candles_json = Column(Text, nullable=False, comment="K线数据JSON")
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current_price = Column(Float, nullable=True, comment="当前价格")
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fetched_at = Column(DateTime, nullable=False, default=datetime.now, index=True, comment="获取时间")
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candle_count = Column(Integer, default=0, comment="K线数量")
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__table_args__ = (
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UniqueConstraint("symbol", "data_type", "period", name="uq_symbol_period"),
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)
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def __repr__(self):
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return f"<MarketData {self.symbol} {self.period} candles={self.candle_count}>"
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class ScheduledTask(Base):
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"""定时任务配置表"""
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__tablename__ = "scheduled_tasks"
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id = Column(Integer, primary_key=True, autoincrement=True)
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symbol = Column(String(32), nullable=False, comment="品种合约代码")
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data_type = Column(String(16), nullable=False, default="futures", comment="数据类型")
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periods = Column(String(256), nullable=False, comment="周期列表(逗号分隔), 如 5min,15min,60min")
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interval_seconds = Column(Integer, nullable=False, default=300, comment="轮询间隔(秒)")
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enabled = Column(Boolean, nullable=False, default=True, comment="是否启用")
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job_id = Column(String(64), nullable=True, unique=True, comment="APScheduler job_id")
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last_run = Column(DateTime, nullable=True, comment="最后执行时间")
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last_status = Column(String(16), nullable=True, comment="最后状态: success/failed")
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created_at = Column(DateTime, nullable=False, default=datetime.now)
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updated_at = Column(DateTime, nullable=False, default=datetime.now, onupdate=datetime.now)
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__table_args__ = (
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UniqueConstraint("symbol", "data_type", name="uq_task_symbol"),
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)
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def __repr__(self):
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return f"<Task {self.symbol} every {self.interval_seconds}s enabled={self.enabled}>"
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