feat: 自动建立实时监看媒体路径 (#51)

Sense/server/app/sense/device/credential_port.go

@@ -11,6 +11,11 @@ type Credential struct {
 	Password string
 }
 
+type DisplayInfo struct {
+	Name     string
+	Location string
+}
+
 var activeService atomic.Pointer[Service]
 
 // ReadCredential is an internal adapter port. Credentials must never be
@@ -50,6 +55,18 @@ func ReadRTSPCredential(ctx context.Context, id string) (Credential, error) {
 	return Credential{Username: username, Password: password}, err
 }
 
+func Describe(ctx context.Context, id string) (DisplayInfo, error) {
+	service := activeService.Load()
+	if service == nil {
+		return DisplayInfo{}, fmt.Errorf("device service is not ready")
+	}
+	item, err := service.store.Get(ctx, id)
+	if err != nil {
+		return DisplayInfo{}, err
+	}
+	return DisplayInfo{Name: item.Name, Location: item.Location}, nil
+}
+
 func MarkActive(ctx context.Context, id string) error {
 	service := activeService.Load()
 	if service == nil {