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bridge.go
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bridge.go
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package hue
import (
"github.com/bcurren/go-ssdp"
"time"
)
const HueModelURL = "http://www.meethue.com"
type Bridge struct {
UniqueId string
client *client
}
func NewBridge(uniqueId, addr string) *Bridge {
client := NewHTTPClient(addr)
return &Bridge{UniqueId: uniqueId, client: client}
}
func FindBridges() ([]*Bridge, error) {
devices, err := ssdp.SearchForDevices("upnp:rootdevice", 3*time.Second)
if err != nil {
return nil, err
}
hueDevices := reduceToHueDevices(devices)
bridges := convertHueDevicesToBridges(hueDevices)
return bridges, nil
}
func reduceToHueDevices(devices []ssdp.Device) []ssdp.Device {
hueDevices := make([]ssdp.Device, 0, len(devices))
for _, device := range devices {
if device.ModelURL == HueModelURL {
hueDevices = append(hueDevices, device)
}
}
return hueDevices
}
func convertHueDevicesToBridges(devices []ssdp.Device) []*Bridge {
bridges := make([]*Bridge, 0, len(devices))
for _, device := range devices {
bridges = append(bridges, NewBridge(device.UDN, device.URLBase))
}
return bridges
}
func (b *Bridge) CreateUser(deviceType, username string) (*User, error) {
url := "/api"
requestObj := map[string]string{
"devicetype": deviceType,
"username": username,
}
_, err := b.client.Post(url, &requestObj)
if err != nil {
return nil, err
}
return &User{Bridge: b, Username: username}, nil
}
func (b *Bridge) IsValidUser(username string) (bool, error) {
testUser := NewUserWithBridge(username, b)
// Get Configuration to determine if valid user
_, err := testUser.GetLights()
if err != nil {
if apiError, ok := err.(*APIError); ok {
for _, apiErrorDetail := range apiError.Errors {
if apiErrorDetail.Type == UnauthorizedUserErrorType {
return false, nil
}
}
}
return false, err
}
return true, nil
}