103 lines
2.2 KiB
Go
103 lines
2.2 KiB
Go
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package app
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import (
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"fmt"
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"math"
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"git.fuyu.moe/5GPowerQuality/api/app/internal/model"
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"git.ultraware.nl/NiseVoid/qb"
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"git.ultraware.nl/NiseVoid/qb/qc"
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)
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// GetScores returns the scores for the trading page
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func GetScores(meterID int) []Scores {
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m := model.Measurement()
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q := m.Select(
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m.UGem1, m.UGem2, m.UGem3,
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m.IMax1, m.IMax2, m.IMax3,
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m.CGem1, m.CGem2, m.CGem3,
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).
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Where(qc.Eq(m.MeterID, meterID)).
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OrderBy(qb.Desc(m.Time))
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data := [3]powerData{}
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err := db.QueryRow(q).Scan(
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&data[0].Voltage, &data[1].Voltage, &data[2].Voltage,
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&data[0].MaxAmpere, &data[1].MaxAmpere, &data[2].MaxAmpere,
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&data[0].CosPhi, &data[1].CosPhi, &data[2].CosPhi,
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)
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if err != nil {
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panic(err)
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}
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scores := make([]Scores, 3)
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for k, v := range data {
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scores[k] = Scores{
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Phase: k + 1,
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Producation: productionScore(v),
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Usage: usageScore(v),
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Storage: storageScore(v),
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}
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}
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return scores
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}
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// Scores contains all scores for a phase
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type Scores struct {
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Phase int `json:"phase"`
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Producation float64 `json:"production"`
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Usage float64 `json:"usage"`
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Storage float64 `json:"storage"`
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}
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type powerData struct {
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Voltage float64
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MaxAmpere float64
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CosPhi float64
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}
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func (data powerData) String() string {
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return fmt.Sprintf(`%3.0fV, %3.0fA, %.1fφ`, data.Voltage, data.MaxAmpere, data.CosPhi)
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}
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func getScoreModifier(expected, value, step float64) float64 {
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var neg bool
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if value-expected < 0 {
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neg = true
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}
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r := math.Pow((value-expected)/step, 2)
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if neg {
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r = r * -1
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}
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return r
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}
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func productionScore(data powerData) float64 {
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vMod := getScoreModifier(230, data.Voltage, 5) * -1
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aMod := getScoreModifier(100, data.MaxAmpere, 25) * -1
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if aMod > 0 {
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aMod = 0
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}
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cpMod := getScoreModifier(0.8, math.Abs(data.CosPhi), 0.1)
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return vMod + aMod + cpMod
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}
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func usageScore(data powerData) float64 {
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vMod := getScoreModifier(230, data.Voltage, 5)
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aMod := getScoreModifier(100, data.MaxAmpere, 25) * -1
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if aMod > 0 {
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aMod = 0
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}
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return vMod + aMod
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}
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func storageScore(data powerData) float64 {
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vMod := getScoreModifier(230, data.Voltage, 5)
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cpMod := getScoreModifier(0.8, math.Abs(data.CosPhi), 0.1) * -1
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return vMod + cpMod
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}
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