#10532 add GetNTP

lib/devices/get_ntp.ex

@@ -0,0 +1,31 @@
+defmodule Onvif.Devices.GetNTP do
+  import SweetXml
+  import XmlBuilder
+
+  alias Onvif.Device
+
+  def soap_action, do: "http://www.onvif.org/ver10/device/wsdl/GetNTP"
+
+  @spec request(Device.t()) :: {:ok, any} | {:error, map()}
+  def request(device) do
+    Onvif.Devices.request(device, __MODULE__)
+  end
+
+  def request_body do
+    element(:"s:Body", [element(:"tds:GetNTP")])
+  end
+
+  def response(xml_response_body) do
+    xml_response_body
+    |> parse(namespace_conformant: true, quiet: true)
+    |> xpath(
+      ~x"//s:Envelope/s:Body/tds:GetNTPResponse/tds:NTPInformation"e
+      |> add_namespace("s", "http://www.w3.org/2003/05/soap-envelope")
+      |> add_namespace("tds", "http://www.onvif.org/ver10/device/wsdl")
+      |> add_namespace("tt", "http://www.onvif.org/ver10/schema")
+    )
+    |> Onvif.Devices.NTP.parse()
+    |> Onvif.Devices.NTP.to_struct()
+  end
+
+end