Files
grafana-zabbix/pkg/timeseries/sort.go
2021-05-31 18:37:00 +03:00

53 lines
1.2 KiB
Go

package timeseries
import (
"sort"
"strconv"
)
// SortBy sorts series by value calculated with provided aggFunc in given order
func SortBy(series []*TimeSeriesData, order string, aggFunc AggFunc) []*TimeSeriesData {
aggregatedSeries := make([]TimeSeries, len(series))
for i, s := range series {
aggregatedSeries[i] = s.TS.GroupByRange(aggFunc)
}
// Sort by aggregated value
sort.Slice(series, func(i, j int) bool {
if len(aggregatedSeries[i]) > 0 && len(aggregatedSeries[j]) > 0 {
return *aggregatedSeries[i][0].Value < *aggregatedSeries[j][0].Value
} else if len(aggregatedSeries[j]) > 0 {
return true
}
return false
})
if order == "desc" {
reverseSeries := make([]*TimeSeriesData, len(series))
for i := 0; i < len(series); i++ {
reverseSeries[i] = series[len(series)-1-i]
}
series = reverseSeries
}
return series
}
func SortByItem(series []*TimeSeriesData) []*TimeSeriesData {
sort.Slice(series, func(i, j int) bool {
itemIDi, err := strconv.Atoi(series[i].Meta.Item.ID)
if err != nil {
return false
}
itemIDj, err := strconv.Atoi(series[j].Meta.Item.ID)
if err != nil {
return false
}
return itemIDi < itemIDj
})
return series
}