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