Support multiple accounts in Tile, use device identifiers (#17108)

* ✨ Update tile to support multiple accounts

* 🎨 fix indent

* 🐛 fix format string

* 🎨 use .format

* 🎨 fix line indent

homeassistant/components/device_tracker/tile.py

@@ -29,6 +29,8 @@ ATTR_IS_DEAD = 'is_dead'
 ATTR_IS_LOST = 'is_lost'
 ATTR_RING_STATE = 'ring_state'
 ATTR_VOIP_STATE = 'voip_state'
+ATTR_TILE_ID = 'tile_identifier'
+ATTR_TILE_NAME = 'tile_name'
 
 CONF_SHOW_INACTIVE = 'show_inactive'
 
@@ -50,8 +52,10 @@ async def async_setup_scanner(hass, config, async_see, discovery_info=None):
 
     websession = aiohttp_client.async_get_clientsession(hass)
 
+    config_file = hass.config.path(".{}{}".format(
+        slugify(config[CONF_USERNAME]), CLIENT_UUID_CONFIG_FILE))
     config_data = await hass.async_add_job(
-        load_json, hass.config.path(CLIENT_UUID_CONFIG_FILE))
+        load_json, config_file)
     if config_data:
         client = Client(
             config[CONF_USERNAME],
@@ -63,10 +67,7 @@ async def async_setup_scanner(hass, config, async_see, discovery_info=None):
             config[CONF_USERNAME], config[CONF_PASSWORD], websession)
 
         config_data = {'client_uuid': client.client_uuid}
-        config_saved = await hass.async_add_job(
-            save_json, hass.config.path(CLIENT_UUID_CONFIG_FILE), config_data)
-        if not config_saved:
-            _LOGGER.error('Failed to save the client UUID')
+        await hass.async_add_job(save_json, config_file, config_data)
 
     scanner = TileScanner(
         client, hass, async_see, config[CONF_MONITORED_VARIABLES],
@@ -125,7 +126,7 @@ class TileScanner:
 
         for tile in tiles:
             await self._async_see(
-                dev_id='tile_{0}'.format(slugify(tile['name'])),
+                dev_id='tile_{0}'.format(slugify(tile['tile_uuid'])),
                 gps=(
                     tile['tileState']['latitude'],
                     tile['tileState']['longitude']
@@ -138,5 +139,7 @@ class TileScanner:
                     ATTR_IS_LOST: tile['tileState']['is_lost'],
                     ATTR_RING_STATE: tile['tileState']['ring_state'],
                     ATTR_VOIP_STATE: tile['tileState']['voip_state'],
+                    ATTR_TILE_ID: tile['tile_uuid'],
+                    ATTR_TILE_NAME: tile['name']
                 },
                 icon=DEFAULT_ICON)