82 lines
1.7 KiB
Go
82 lines
1.7 KiB
Go
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package main
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import (
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"math/rand"
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"time"
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"gordenko.dev/dima/qb/proto"
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)
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func GenerateCumulativeMeasures(days int) []proto.Measure {
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var (
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measures []proto.Measure
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minutes = []int{14, 29, 44, 59}
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hoursPerDay = 24
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totalHours = days * hoursPerDay
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since = time.Now().AddDate(0, 0, -days)
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totalValue float64
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)
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for i := range totalHours {
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hourTime := since.Add(time.Duration(i) * time.Hour)
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for _, m := range minutes {
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measureTime := time.Date(
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hourTime.Year(),
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hourTime.Month(),
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hourTime.Day(),
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hourTime.Hour(),
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m, // minutes
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0, // seconds
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0, // nanoseconds
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time.Local,
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)
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measure := proto.Measure{
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Timestamp: uint32(measureTime.Unix()),
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Value: totalValue,
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}
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measures = append(measures, measure)
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totalValue += rand.Float64()
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}
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}
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return measures
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}
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func GenerateInstantMeasures(days int, baseValue float64) []proto.Measure {
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var (
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measures []proto.Measure
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minutes = []int{14, 29, 44, 59}
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hoursPerDay = 24
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totalHours = days * hoursPerDay
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since = time.Now().AddDate(0, 0, -days)
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)
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for i := range totalHours {
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hourTime := since.Add(time.Duration(i) * time.Hour)
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for _, m := range minutes {
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measureTime := time.Date(
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hourTime.Year(),
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hourTime.Month(),
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hourTime.Day(),
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hourTime.Hour(),
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m, // minutes
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0, // seconds
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0, // nanoseconds
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time.Local,
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)
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// value = +-10% from base value
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fluctuation := baseValue * 0.1
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value := baseValue + (rand.Float64()*2-1)*fluctuation
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measure := proto.Measure{
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Timestamp: uint32(measureTime.Unix()),
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Value: value,
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}
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measures = append(measures, measure)
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}
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}
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return measures
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}
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