func Handler(in <-chan nog.Message, out chan<- nog.Message) {
out <- nog.Message{What: "started"}
a := &Activity{}
go func() {
out <- nog.Template("activity")
}()
for m := range in {
if m.Why == "statechanged" {
dec := json.NewDecoder(strings.NewReader(m.What))
if err := dec.Decode(a); err != nil {
log.Println("activity decode err:", err)
}
} else {
const IAM = "I am "
what := m.What
if strings.HasPrefix(m.What, IAM) {
what = m.What[len(IAM):]
a.UpdateActivity(what)
if what, err := json.Marshal(a); err == nil {
out <- nog.Message{What: string(what), Why: "statechanged"}
} else {
log.Println("StateChanged err:", err)
}
out <- nog.Message{What: "do " + what}
}
}
}
out <- nog.Message{What: "stopped"}
close(out)
}
func Handler(in <-chan nog.Message, out chan<- nog.Message) {
out <- nog.Message{What: "started"}
s := &Motion{}
go func() {
out <- nog.Template("motion")
}()
var motionTimer *time.Timer
var motionTimeout <-chan time.Time
if c, err := gpio.GPIOInterrupt(7); err == nil {
s.motionChannel = c
} else {
log.Println("Warning: Motion sensor off:", err)
out <- nog.Message{What: "no motion sensor found"}
goto done
}
for {
select {
case m, ok := <-in:
if !ok {
goto done
}
if m.Why == "statechanged" {
dec := json.NewDecoder(strings.NewReader(m.What))
if err := dec.Decode(s); err != nil {
log.Println("motion decode err:", err)
}
}
case motion := <-s.motionChannel:
if motion {
out <- nog.Message{What: "motion detected"}
const duration = 60 * time.Second
if motionTimer == nil {
s.Motion = true
motionTimer = time.NewTimer(duration)
motionTimeout = motionTimer.C // enable motionTimeout case
} else {
motionTimer.Reset(duration)
}
}
case <-motionTimeout:
s.Motion = false
motionTimer = nil
motionTimeout = nil
out <- nog.Message{What: "motion detected timeout"}
}
}
done:
out <- nog.Message{What: "stopped"}
close(out)
}
func Handler(in <-chan nog.Message, out chan<- nog.Message) {
out <- nog.Message{What: "started"}
s := &Presence{}
var presenceChannel chan presence.Presence
go func() {
out <- nog.Template("presence")
}()
for {
select {
case m, ok := <-in:
if !ok {
goto done
}
if m.Why == "statechanged" {
dec := json.NewDecoder(strings.NewReader(m.What))
if err := dec.Decode(s); err != nil {
log.Println("presence decode err:", err)
}
if s.Present == nil {
s.Present = make(map[string]bool)
}
if presenceChannel == nil {
presenceChannel = presence.Listen(s.Present)
}
}
case p := <-presenceChannel:
if s.Present[p.Name] != p.Status {
s.Present[p.Name] = p.Status
var status string
if p.Status {
status = "home"
} else {
status = "away"
}
out <- nog.Message{What: p.Name + " is " + status}
if what, err := json.Marshal(s); err == nil {
out <- nog.Message{What: string(what), Why: "statechanged"}
} else {
log.Println("StateChanged err:", err)
}
}
}
}
done:
out <- nog.Message{What: "stopped"}
close(out)
}
func Handler(in <-chan nog.Message, out chan<- nog.Message) {
out <- nog.Message{What: "started"}
go func() {
out <- nog.Template("daylights")
}()
for m := range in {
if m.What == "it is light" {
out <- nog.Message{What: "do daylights off"}
}
if m.What == "it is dark" {
out <- nog.Message{What: "do daylights on"}
}
}
out <- nog.Message{What: "stopped"}
close(out)
}
func Handler(in <-chan nog.Message, out chan<- nog.Message) {
out <- nog.Message{What: "started"}
a := &Nouns{}
go func() {
out <- nog.Template("nouns")
}()
for m := range in {
if m.Why == "statechanged" {
dec := json.NewDecoder(strings.NewReader(m.What))
if err := dec.Decode(a); err != nil {
log.Println("nouns decode error:", err)
}
}
}
out <- nog.Message{What: "stopped"}
close(out)
}
func Handler(in <-chan nog.Message, out chan<- nog.Message) {
out <- nog.Message{What: "started"}
s := &Schedule{}
var scheduledEventsChannel <-chan scheduler.Event
go func() {
out <- nog.Template("schedule")
}()
for {
select {
case e := <-scheduledEventsChannel:
out <- nog.Message{What: e.What}
case m, ok := <-in:
if !ok {
goto done
}
if m.Why == "statechanged" {
dec := json.NewDecoder(strings.NewReader(m.What))
if err := dec.Decode(s); err != nil {
log.Println("schedule decode err:", err)
}
if scheduledEventsChannel == nil {
if c, err := s.Schedule.Run(); err == nil {
scheduledEventsChannel = c
} else {
log.Println("Warning: Scheduled events off:", err)
}
}
}
}
}
done:
out <- nog.Message{What: "stopped"}
close(out)
}
func Handler(in <-chan nog.Message, out chan<- nog.Message) {
h := &Hue{}
var createUserChan <-chan time.Time
out <- nog.Message{What: "started"}
go func() {
out <- nog.Template("hue")
}()
for {
select {
case <-createUserChan:
if err := h.Hue.CreateUser(h.Hue.Username, "Marvin"); err == nil {
createUserChan = nil
} else {
out <- nog.Message{What: fmt.Sprintf("%s: press hue link button to authenticate", err)}
}
case m, ok := <-in:
if !ok {
goto done
}
if m.Why == "statechanged" {
dec := json.NewDecoder(strings.NewReader(m.What))
if err := dec.Decode(h); err != nil {
log.Println("hue decode err:", err)
}
if err := h.Hue.GetState(); err != nil {
createUserChan = time.NewTicker(1 * time.Second).C
} else {
createUserChan = nil
}
continue
}
const SETHUE = "set hue address "
if strings.HasPrefix(m.What, SETHUE) {
words := strings.Split(m.What[len(SETHUE):], " ")
if len(words) == 3 {
address := words[0]
state := words[2]
var s interface{}
dec := json.NewDecoder(strings.NewReader(state))
if err := dec.Decode(&s); err != nil {
log.Println("json decode err:", err)
} else {
h.Hue.Set(address, s)
err := h.Hue.GetState()
if err != nil {
log.Println("ERROR:", err)
}
if what, err := json.Marshal(h); err == nil {
out <- nog.Message{What: string(what), Why: "statechanged"}
} else {
log.Println("StateChanged err:", err)
}
}
} else {
log.Println("unexpected number of words in:", m)
}
}
const SET = "set light "
if strings.HasPrefix(m.What, SET) {
e := strings.SplitN(m.What[len(SET):], " to ", 2)
if len(e) == 2 {
address := h.Nouns[e[0]]
state := h.States[e[1]]
if strings.Contains(address, "/light") {
address += "/state"
} else {
address += "/action"
}
h.Hue.Set(address, state)
err := h.Hue.GetState()
if err != nil {
log.Println("ERROR:", err)
}
if what, err := json.Marshal(h); err == nil {
out <- nog.Message{What: string(what), Why: "statechanged"}
} else {
log.Println("StateChanged err:", err)
}
} else {
log.Println("unexpected number of words in:", m)
}
}
}
}
done:
out <- nog.Message{What: "stopped"}
close(out)
}