Adding changeable interval

Fixing #112

custom_components/miele/__init__.py

@@ -37,12 +37,14 @@
 SERVICE_ACTION = "action"
 SCOPE = "code"
 DEFAULT_LANG = "en"
+DEFAULT_INTERVAL = 5
 AUTH_CALLBACK_PATH = "/api/miele/callback"
 AUTH_CALLBACK_NAME = "api:miele:callback"
 CONF_CLIENT_ID = "client_id"
 CONF_CLIENT_SECRET = "client_secret"
 CONF_LANG = "lang"
 CONF_CACHE_PATH = "cache_path"
+CONF_INTERVAL = "interval"
 CONFIGURATOR_LINK_NAME = "Link Miele account"
 CONFIGURATOR_SUBMIT_CAPTION = "I have authorized Miele@home."
 CONFIGURATOR_DESCRIPTION = (
@@ -62,6 +64,7 @@
  vol.Required(CONF_CLIENT_SECRET): cv.string,
  vol.Optional(CONF_LANG): cv.string,
  vol.Optional(CONF_CACHE_PATH): cv.string,
+ vol.Optional(CONF_INTERVAL): cv.positive_int,
  }
  ),
  },
@@ -333,7 +336,6 @@
  ],
 }
 
-
 def request_configuration(hass, config, oauth):
  """Request Miele authorization."""
 
@@ -446,8 +448,9 @@ async def refresh_devices(event_time):
  platform.update_device_state()
 
  register_services(hass)
+ interval = timedelta(seconds=config[DOMAIN].get(CONF_INTERVAL, DEFAULT_INTERVAL))
 
- interval = timedelta(seconds=5)
+
  async_track_time_interval(hass, refresh_devices, interval)
 
  return True