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package models
import (
"context"
"strings"
"time"
)
type Device struct {
ID int `json:"id"`
BridgeID int `json:"bridgeID"`
InternalID string `json:"internalId"`
Icon string `json:"icon"`
Name string `json:"name"`
Capabilities []DeviceCapability `json:"capabilities"`
ButtonNames []string `json:"buttonNames"`
DriverProperties map[string]interface{} `json:"driverProperties"`
UserProperties map[string]string `json:"userProperties"`
SceneAssignments []DeviceSceneAssignment `json:"sceneAssignments"`
SceneState *DeviceState `json:"sceneState"`
State DeviceState `json:"state"`
Tags []string `json:"tags"`
}
type DeviceUpdate struct {
Icon *string `json:"icon"`
Name *string `json:"name"`
UserProperties map[string]*string `json:"userProperties"`
}
// DeviceState contains optional state values that
// - Power: Whether the device is powered on
// - Color: Color value, if a color setting can be set on the device
// - Intensity: e.g. brightness, range 0..=1
// - Temperature: e.g. for thermostats
type DeviceState struct {
Power bool `json:"power"`
Color ColorValue `json:"color,omitempty"`
Intensity float64 `json:"intensity,omitempty"`
Temperature int `json:"temperature"`
}
type DeviceScene struct {
SceneID int `json:"sceneId"`
Time time.Time `json:"time"`
DurationMS int64 `json:"duration"`
Tag string `json:"tag"`
}
type NewDeviceState struct {
Power *bool `json:"power"`
Color *string `json:"color"`
Intensity *float64 `json:"intensity"`
Temperature *int `json:"temperature"`
}
type DeviceCapability string
type SaveMode int
const (
SMState SaveMode = 1
SMProperties SaveMode = 2
SMTags SaveMode = 4
)
type DeviceRepository interface {
Find(ctx context.Context, id int) (*Device, error)
FetchByReference(ctx context.Context, kind ReferenceKind, value string) ([]Device, error)
Save(ctx context.Context, device *Device, mode SaveMode) error
SaveMany(ctx context.Context, mode SaveMode, devices []Device) error
Delete(ctx context.Context, device *Device) error
}
func DeviceCapabilitiesToStrings(caps []DeviceCapability) []string {
res := make([]string, 0, len(caps))
for _, cap := range caps {
res = append(res, string(cap))
}
return res
}
var (
DCPower DeviceCapability = "Power"
DCColorHS DeviceCapability = "ColorHS"
DCColorHSK DeviceCapability = "ColorHSK"
DCColorKelvin DeviceCapability = "ColorKelvin"
DCColorXY DeviceCapability = "ColorXY"
DCButtons DeviceCapability = "Buttons"
DCPresence DeviceCapability = "Presence"
DCIntensity DeviceCapability = "Intensity"
DCTemperatureControl DeviceCapability = "TemperatureControl"
DCTemperatureSensor DeviceCapability = "TemperatureSensor"
)
var Capabilities = []DeviceCapability{
DCPower,
DCColorHS,
DCColorKelvin,
DCButtons,
DCPresence,
DCIntensity,
DCTemperatureControl,
DCTemperatureSensor,
}
func (d *Device) ApplyUpdate(update DeviceUpdate) {
if update.Name != nil {
d.Name = *update.Name
}
if update.Icon != nil {
d.Icon = *update.Icon
}
if d.UserProperties == nil {
d.UserProperties = make(map[string]string)
}
for key, value := range update.UserProperties {
if value != nil {
d.UserProperties[key] = *value
} else {
delete(d.UserProperties, key)
}
}
}
func (d *Device) Validate() error {
d.Name = strings.Trim(d.Name, " \t\n ")
if d.Name == "" {
return ErrInvalidName
}
newCaps := make([]DeviceCapability, 0, len(d.Capabilities))
for _, currCap := range d.Capabilities {
for _, validCap := range Capabilities {
if currCap == validCap {
newCaps = append(newCaps, currCap)
break
}
}
}
d.Capabilities = newCaps
return nil
}
func (d *Device) HasTag(tags ...string) bool {
for _, c := range d.Tags {
for _, c2 := range tags {
if c == c2 {
return true
}
}
}
return false
}
func (d *Device) IsOnlySensor() bool {
return !d.HasCapability(
DCPower,
DCColorHS,
DCColorHSK,
DCColorKelvin,
DCIntensity,
DCTemperatureControl,
)
}
func (d *Device) HasCapability(capabilities ...DeviceCapability) bool {
for _, c := range d.Capabilities {
for _, c2 := range capabilities {
if c == c2 {
return true
}
}
}
return false
}
func (d *Device) SetState(newState NewDeviceState) error {
if newState.Power != nil && d.HasCapability(DCPower) {
d.State.Power = *newState.Power
}
if newState.Color != nil {
parsed, err := ParseColorValue(*newState.Color)
if err != nil {
return err
}
if (parsed.IsKelvin() && d.HasCapability(DCColorKelvin, DCColorHSK)) || (parsed.IsHueSat() && d.HasCapability(DCColorHS)) {
d.State.Color = parsed
}
}
if newState.Intensity != nil && d.HasCapability(DCIntensity) {
d.State.Intensity = *newState.Intensity
}
if newState.Temperature != nil && d.HasCapability(DCTemperatureControl) {
d.State.Temperature = *newState.Temperature
}
return nil
}
func (s *NewDeviceState) RelativeTo(device Device) NewDeviceState {
n := NewDeviceState{}
if s.Intensity != nil {
intensity := device.State.Intensity * *s.Intensity
n.Intensity = &intensity
}
return n
}
func (s *NewDeviceState) Interpolate(other NewDeviceState, fac float64) NewDeviceState {
n := NewDeviceState{}
if s.Power != nil && other.Power != nil {
if fac >= 0.5 {
n.Power = other.Power
} else {
n.Power = s.Power
}
}
if s.Color != nil && other.Color != nil {
sc, err := ParseColorValue(*s.Color)
oc, err2 := ParseColorValue(*other.Color)
if err == nil && err2 == nil {
rc := ColorValue{}
rc.Hue = interpolateFloat(sc.Hue, oc.Hue, fac)
rc.Saturation = interpolateFloat(sc.Saturation, oc.Saturation, fac)
rc.Kelvin = interpolateInt(sc.Kelvin, oc.Kelvin, fac)
rcStr := rc.String()
n.Color = &rcStr
}
}
if s.Intensity != nil && other.Intensity != nil {
n.Intensity = new(float64)
*n.Intensity = interpolateFloat(*s.Intensity, *other.Intensity, fac)
}
return n
}
func interpolateFloat(a, b, fac float64) float64 {
return (a * (1 - fac)) + (b * fac)
}
func interpolateInt(a, b int, fac float64) int {
return int((float64(a) * (1 - fac)) + (float64(b) * fac))
}