func updateMPD(comp *backend.Component) error {
mpd := comp.Internal.(*mpdClientComponent)
if !mpd.connected {
defer mpd.connect()
return nil
}
status, err := mpd.client.Status()
if err != nil {
mpd.connected = false
return err
}
song, err := mpd.client.CurrentSong()
if err != nil {
mpd.connected = false
return err
}
res := map[string]interface{}{
"song": song,
"status": status,
}
json, err := config.RenderJson(res)
if err != nil {
return err
}
if json != mpd.lastJSONString {
mpd.lastJSONString = json
comp.StateSink <- res
}
return nil
}
func updateWeather(component *backend.Component) error {
weather := component.Internal.(*weatherTracker)
nextCheck := weather.lastCheck.Add(time.Duration(weather.delay) * time.Minute)
if time.Now().Before(nextCheck) {
logrus.Debugf("Component: %s skipping update. Next check at %s", component.URN(), nextCheck.Local())
return nil
}
coord := owm.Coordinates{
Longitude: core.Global.Longitude,
Latitude: core.Global.Latitude,
}
if err := weather.current.CurrentByCoordinates(&coord); err != nil {
logrus.Warnf("Component: %s failed to update current weather conditions: %s", component.URN(), err)
return err
}
json, err := config.RenderJson(weather.current)
if err != nil {
logrus.Warnf("Component: %s failed to update current weather conditions: %s", component.URN(), err)
return err
}
if json != weather.lastJSON {
weather.lastJSON = json
component.StateSink <- weather.current
}
weather.lastCheck = time.Now()
return nil
}
func updateNetgear(comp *backend.Component) error {
net := comp.Internal.(*netgearComponent)
start := time.Now()
if net.isUpdating {
logrus.Infof("Component: %s ignoring polling request. update still running", comp.URN())
return nil
}
net.isUpdating = true
defer func() {
net.isUpdating = false
}()
logrus.Debugf("Component: %s Updating attached devices", comp.URN())
res, err := net.router.Login()
if err != nil {
return err
}
if res {
device, err := net.router.GetAttachedDevices()
var preparedDevices []netgear.AttachedDevice
if err != nil {
return err
}
for i, dev := range device {
if net.knownDevices[dev.Mac] != "" {
if net.trackOnlyKnown {
dev.Name = net.knownDevices[dev.Mac]
preparedDevices = append(preparedDevices, dev)
} else {
device[i].Name = net.knownDevices[dev.Mac]
}
}
}
if net.trackOnlyKnown {
device = preparedDevices
}
str, err := config.RenderJson(device)
if err != nil {
return err
}
net.last = str
comp.StateSink <- device
} else {
return fmt.Errorf("Failed to login")
}
logrus.Debugf("Component: %s updated connected devices in %s", comp.URN(), time.Now().Sub(start))
return nil
}
func apiRule(call otto.FunctionCall) otto.Value {
obj := call.Argument(0).Object()
nameValue, err := obj.Get("name")
if err != nil {
logrus.Errorf("Error: %v", err)
return otto.Value{}
}
name := nameValue.String()
rule := &JsRule{
Name: name,
VM: call.Otto,
}
obj.Call("init")
call.Otto.Set(rule.Name, obj)
logrus.Infof("Registered javascript: %#v", rule)
eventbus.EventBus.Subscribe(eventbus.STATE_CHANGED, func(event eventbus.Event) {
data, _ := config.RenderJson(event)
o, err := call.Otto.Object(rule.Name)
if err != nil {
logrus.Warnf("JavaScript-Error: %s: %s error=%s", rule.Name, o, err)
}
val, err := call.Otto.Object("(" + data + ")")
if err != nil {
logrus.Warnf("JavaScript-Error: %s: %s error=%s", rule.Name, val, err)
}
resultValue, err := o.Call("onChange", val)
if err != nil {
logrus.Warnf("JavaScript-Error: %s: %s error=%s", rule.Name, resultValue, err)
}
result := resultValue.String()
if rule.result != result {
logrus.Infof("Sending update %s -> %s (old: %s)", rule.Name, result, rule.result)
event := eventbus.Event{
Topic: eventbus.STATE_CHANGED,
Origin: "rule." + rule.Name,
Error: nil,
Data: result,
}
eventbus.EventBus.Publish(event)
rule.result = result
}
})
return otto.Value{}
}
func apiSubscribe(call otto.FunctionCall) otto.Value {
topic := call.Argument(0).String()
func_name := call.Argument(1).String()
logrus.Infof("[Plugins/rules] javascript vm subscibed to %s", topic, func_name)
eventbus.EventBus.Subscribe(topic, func(event eventbus.Event) {
data, _ := config.RenderJson(event)
jsCmd := fmt.Sprintf("(%s.bind(Home))(%s)", func_name, data)
result, err := call.Otto.Run(jsCmd)
if err != nil {
logrus.Warnf("JavaScript-Error: %s error=%s", result, err)
}
})
return otto.Value{}
}