evcc-io/provider/calc.go
andig e34167ce7d
Implement multiple loadpoints and new UI (#199)
* Support multiple loadpoints

* Finalize loadpoint site split

* Simplify global voltage

* Fix push template error stopping main process

* Show only last error on retry

* Improve influx v1 compatibility

* Update push templates

* Revert influx v1 user change
2020-07-16 09:34:58 +02:00

38 lines
662 B
Go

package provider
import (
"github.com/andig/evcc/util"
)
type calcProvider struct {
add []func() (float64, error)
}
// NewCalcFromConfig creates calc provider
func NewCalcFromConfig(log *util.Logger, other map[string]interface{}) func() (float64, error) {
cc := struct {
Add []Config
}{}
util.DecodeOther(log, other, &cc)
o := &calcProvider{}
for _, cc := range cc.Add {
o.add = append(o.add, NewFloatGetterFromConfig(log, cc))
}
return o.floatGetter
}
func (o *calcProvider) floatGetter() (float64, error) {
var sum float64
for _, p := range o.add {
v, err := p()
if err != nil {
return 0, err
}
sum += v
}
return sum, nil
}