Server/events/sensors.go

package events

import "fmt"

type TemperatureChanged struct {
	ID          string
	Temperature float64
}

func (e TemperatureChanged) TriggerKind() string {
	return "TemperatureChanged"
}

func (e TemperatureChanged) TriggerValue(key string) (string, bool) {
	switch key {
	case "temperature":
		return fmt.Sprintf("%.2f", e.Temperature), true
	case "id":
		return e.ID, true
	default:
		return "", false
	}
}

func (e TemperatureChanged) EventDescription() string {
	return fmt.Sprintf("TemperatureChanged(id=%s, temperature=%.2f)", e.ID, e.Temperature)
}

type MotionSensed struct {
	ID           string
	SecondsSince float64
}

func (e MotionSensed) TriggerKind() string {
	return "MotionSensed"
}

func (e MotionSensed) TriggerValue(key string) (string, bool) {
	switch key {
	case "secondsSince":
		return fmt.Sprintf("%.1f", e.SecondsSince), true
	case "id":
		return e.ID, true
	default:
		return "", false
	}
}

func (e MotionSensed) EventDescription() string {
	return fmt.Sprintf("MotionSensed(id=%s, secondsSince=%.2f)", e.ID, e.SecondsSince)
}

type ButtonPressed struct {
	ID       string `json:"id"`
	SwipedID string `json:"swipedId,omitempty"`
	Name     string `json:"name"`
}

func (e ButtonPressed) EventDescription() string {
	if e.SwipedID != "" {
		return fmt.Sprintf("ButtonPressed(name=%s, swipe=%s->%s)", e.Name, e.SwipedID, e.ID)
	} else {
		return fmt.Sprintf("ButtonPressed(name=%s, id=%s)", e.Name, e.ID)
	}
}

func (e ButtonPressed) TriggerKind() string {
	return "ButtonPressed:" + e.Name
}

func (e ButtonPressed) TriggerValue(key string) (string, bool) {
	switch key {
	case "name":
		return e.Name, true
	case "id":
		return e.ID, true
	case "swipedFromId", "swipedId":
		if e.SwipedID != "" {
			return e.SwipedID, true
		} else {
			return "", false
		}
	default:
		return "", false
	}
}