定义告警表和告警历史表
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52
internal/infra/models/alarm.go
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52
internal/infra/models/alarm.go
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package models
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import (
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"time"
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"gorm.io/gorm"
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)
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// ActiveAlarm 活跃告警
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// 活跃告警会被更新(如确认状态),因此保留 gorm.Model 以包含所有标准字段。
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type ActiveAlarm struct {
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gorm.Model
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FarmID uint `gorm:"not null;comment:猪场ID" json:"farm_id,omitempty"`
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DeviceID uint `gorm:"not null;comment:设备ID" json:"device_id,omitempty"`
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AlarmType string `gorm:"comment:告警类型" json:"alarm_type,omitempty"`
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AlarmLevel string `gorm:"comment:告警级别" json:"alarm_level,omitempty"`
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AlarmContent string `gorm:"comment:告警内容描述" json:"alarm_content,omitempty"`
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TriggerTime time.Time `gorm:"not null;comment:告警触发时间" json:"trigger_time"`
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IsAcknowledged bool `gorm:"default:false;comment:是否已确认" json:"is_acknowledged,omitempty"`
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AcknowledgedBy string `gorm:"comment:确认人" json:"acknowledged_by,omitempty"`
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// 使用指针类型 *time.Time 来表示可为空的确认时间
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AcknowledgedTime *time.Time `gorm:"comment:确认时间" json:"acknowledged_time,omitempty"`
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}
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// TableName 指定 ActiveAlarm 结构体对应的数据库表名
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func (ActiveAlarm) TableName() string {
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return "active_alarms"
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}
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// HistoricalAlarm 历史告警
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// 历史告警是不可变归档数据,我们移除 gorm.Model,并手动定义字段。
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// ID 和 CreatedAt 共同构成联合主键,以满足 TimescaleDB 超表的要求。
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type HistoricalAlarm struct {
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// 手动定义主键,ID 仍然自增
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ID uint `gorm:"primaryKey;autoIncrement;comment:主键ID" json:"id,omitempty"`
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FarmID uint `gorm:"not null;comment:猪场ID" json:"farm_id,omitempty"`
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DeviceID uint `gorm:"not null;comment:设备ID" json:"device_id,omitempty"`
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AlarmType string `gorm:"comment:告警类型" json:"alarm_type,omitempty"`
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AlarmLevel string `gorm:"comment:告警级别" json:"alarm_level,omitempty"`
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AlarmContent string `gorm:"comment:告警内容描述" json:"alarm_content,omitempty"`
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TriggerTime time.Time `gorm:"not null;comment:告警触发时间" json:"trigger_time"`
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ResolveTime time.Time `gorm:"not null;comment:告警解决时间" json:"resolve_time"`
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ResolveMethod string `gorm:"comment:告警解决方式" json:"resolve_method,omitempty"`
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ResolvedBy string `gorm:"comment:告警解决人" json:"resolved_by,omitempty"`
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// 将 CreatedAt 作为联合主键的一部分,用于 TimescaleDB 分区
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CreatedAt time.Time `gorm:"primaryKey;comment:创建时间" json:"created_at"`
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}
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// TableName 指定 HistoricalAlarm 结构体对应的数据库表名
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func (HistoricalAlarm) TableName() string {
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return "historical_alarms"
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}
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