Merge commit 'd8e4449f1009bc03b167c0e5667413585b2b3e53' as 'core'

core/backend/app/models/alarm.py

@@ -0,0 +1,48 @@
+from sqlalchemy import Column, Integer, String, Float, Boolean, DateTime, ForeignKey, Text, JSON
+from sqlalchemy.sql import func
+from app.core.database import Base
+
+
+class AlarmRule(Base):
+    __tablename__ = "alarm_rules"
+
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    name = Column(String(200), nullable=False)
+    device_id = Column(Integer, ForeignKey("devices.id"))
+    device_type = Column(String(50))  # 按设备类型的通用规则
+    data_type = Column(String(50), nullable=False)  # 监控的数据类型
+    condition = Column(String(20), nullable=False)  # gt, lt, eq, neq, range_out, rate_of_change
+    threshold = Column(Float)
+    threshold_high = Column(Float)  # 范围上限
+    threshold_low = Column(Float)  # 范围下限
+    duration = Column(Integer, default=0)  # 持续时间(秒)
+    severity = Column(String(20), default="warning")  # critical, major, warning
+    notify_channels = Column(JSON)  # ["sms", "email", "app", "wechat"]
+    notify_targets = Column(JSON)  # 通知对象
+    auto_action = Column(JSON)  # 联动动作
+    silence_start = Column(String(10))  # 静默开始时间 HH:MM
+    silence_end = Column(String(10))  # 静默结束时间
+    is_active = Column(Boolean, default=True)
+    created_by = Column(Integer, ForeignKey("users.id"))
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
+
+
+class AlarmEvent(Base):
+    __tablename__ = "alarm_events"
+
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    rule_id = Column(Integer, ForeignKey("alarm_rules.id"))
+    device_id = Column(Integer, ForeignKey("devices.id"), nullable=False)
+    severity = Column(String(20), nullable=False)
+    title = Column(String(200), nullable=False)
+    description = Column(Text)
+    value = Column(Float)  # 触发时的数值
+    threshold = Column(Float)  # 阈值
+    status = Column(String(20), default="active")  # active, acknowledged, resolved
+    acknowledged_by = Column(Integer, ForeignKey("users.id"))
+    acknowledged_at = Column(DateTime(timezone=True))
+    resolved_at = Column(DateTime(timezone=True))
+    resolve_note = Column(Text)
+    triggered_at = Column(DateTime(timezone=True), server_default=func.now())
+    created_at = Column(DateTime(timezone=True), server_default=func.now())