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实现阈值通知消息

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GoEdgeLab
2021-05-05 19:50:55 +08:00
parent 56665ba206
commit b433e74c9b
6 changed files with 293 additions and 71 deletions
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29
internal/db/models/node_value_dao.go
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@@ -89,3 +89,32 @@ func (this *NodeValueDAO) ListValues(tx *dbs.Tx, role string, nodeId int64, item
FindAll()
return
}
// SumValues 计算某项参数值
func (this *NodeValueDAO) SumValues(tx *dbs.Tx, role string, nodeId int64, item string, param string, method nodeconfigs.NodeValueSumMethod, duration int32, durationUnit nodeconfigs.NodeValueDurationUnit) (float64, error) {
if duration <= 0 {
return 0, nil
}
query := this.Query(tx).
Attr("role", role).
Attr("nodeId", nodeId).
Attr("item", item)
switch method {
case nodeconfigs.NodeValueSumMethodAvg:
query.Result("AVG(JSON_EXTRACT(value, '$." + param + "'))")
case nodeconfigs.NodeValueSumMethodSum:
query.Result("SUM(JSON_EXTRACT(value, '$." + param + "'))")
default:
query.Result("AVG(JSON_EXTRACT(value, '$." + param + "'))")
}
switch durationUnit {
case nodeconfigs.NodeValueDurationUnitMinute:
fromMinute := timeutil.FormatTime("YmdHi", time.Now().Unix()-int64(duration * 60))
query.Gte("minute", fromMinute)
default:
fromMinute := timeutil.FormatTime("YmdHi", time.Now().Unix()-int64(duration * 60))
query.Gte("minute", fromMinute)
}
return query.FindFloat64Col(0)
}