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runner.go
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/
runner.go
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package timer
import (
"encoding/json"
"fmt"
"log"
"time"
cron "github.com/robfig/cron/v3"
"github.com/reef-pi/reef-pi/controller"
)
type Trigger struct {
ID string `json:"id"`
Revert bool `json:"revert"`
On bool `json:"on"`
Duration time.Duration `json:"duration"`
}
type SubSystemRunner struct {
Type string
sub controller.Subsystem
trigger Trigger
}
func NewSubSystemRunner(j Job, c controller.Controller) (cron.Job, error) {
var trigger Trigger
if err := json.Unmarshal(j.Target, &trigger); err != nil {
return nil, err
}
sub, err := c.Subsystem(j.Type)
if err != nil {
return nil, fmt.Errorf("failed to load target subsyetm %s error: %w", j.Type, err)
}
return &SubSystemRunner{
Type: j.Type,
sub: sub,
trigger: trigger,
}, nil
}
func (m *SubSystemRunner) Run() {
log.Println("timer subsystem. Executing module ", m.Type, "element", m.trigger.ID)
if err := m.sub.On(m.trigger.ID, m.trigger.On); err != nil {
log.Println("ERROR:", m.Type, "sub-system, Failed to trigger. Error:", err)
}
if m.trigger.Revert {
select {
case <-time.After(m.trigger.Duration * time.Second):
if err := m.sub.On(m.trigger.ID, !m.trigger.On); err != nil {
log.Println("ERROR:", m.Type, "sub-system, Failed to revert. Error:", err)
}
log.Println("timer subsystem. Executing module ", m.Type, "element", m.trigger.ID, "reversed")
}
}
}