53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
package prioritizer
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import (
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"fmt"
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"sync"
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"github.com/evcc-io/evcc/api"
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"github.com/evcc-io/evcc/core/loadpoint"
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"github.com/evcc-io/evcc/util"
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)
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type Prioritizer struct {
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mu sync.Mutex
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log *util.Logger
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demand map[loadpoint.API]float64
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}
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func New(log *util.Logger) *Prioritizer {
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return &Prioritizer{
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log: log,
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demand: make(map[loadpoint.API]float64),
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}
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}
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func (p *Prioritizer) UpdateChargePowerFlexibility(lp loadpoint.API, rates api.Rates) {
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if power := lp.GetChargePowerFlexibility(rates); power >= 0 {
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p.mu.Lock()
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p.demand[lp] = power
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p.mu.Unlock()
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}
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}
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func (p *Prioritizer) GetChargePowerFlexibility(lp loadpoint.API) float64 {
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prio := lp.EffectivePriority()
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var (
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reduceBy float64
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msg string
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)
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for lp, power := range p.demand {
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if lp.EffectivePriority() < prio && power > 0 {
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reduceBy += power
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msg += fmt.Sprintf("%.0fW from %s at prio %d, ", power, lp.GetTitle(), lp.EffectivePriority())
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}
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}
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if p.log != nil && reduceBy > 0 {
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p.log.DEBUG.Printf("lp %s at prio %d gets additional %stotal %.0fW\n", lp.GetTitle(), lp.EffectivePriority(), msg, reduceBy)
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}
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return reduceBy
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}
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