add dhcp autodiscovery for levoit-* (#1)

.gitignore

@@ -2,4 +2,3 @@
 .vscode/**
 **/__pycache__/**
 Config/**
-custom_components/vesync/__pycache__/sensor.cpython-39.pyc

custom_components/vesync/config_flow.py

@@ -1,15 +1,20 @@
 """Config flow utilities."""
 from collections import OrderedDict
+import logging
 
 import voluptuous as vol
 
 from homeassistant import config_entries
+from homeassistant.components import dhcp
 from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
 from homeassistant.core import callback
+from homeassistant.data_entry_flow import FlowResult
 
 from .const import DOMAIN
 from .pyvesync.vesync import VeSync
 
+_LOGGER = logging.getLogger(__name__)
+
 
 class VeSyncFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
     """Handle a config flow."""
@@ -56,3 +61,11 @@ class VeSyncFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
             title=self._username,
             data={CONF_USERNAME: self._username, CONF_PASSWORD: self._password},
         )
+
+    async def async_step_dhcp(self, discovery_info: dhcp.DhcpServiceInfo) -> FlowResult:
+        """Handle DHCP discovery."""
+        hostname = discovery_info.hostname
+
+        _LOGGER.debug("DHCP discovery detected device %s", hostname)
+        self.context["title_placeholders"] = {"gateway_id": hostname}
+        return await self.async_step_user()

custom_components/vesync/manifest.json

@@ -6,5 +6,11 @@
   "config_flow": true,
   "iot_class": "cloud_polling",
   "version": "0.1.2",
-  "issue_tracker": "https://github.com/vlebourl/vesync-bpo"
+  "issue_tracker": "https://github.com/vlebourl/vesync-bpo",
+  "dhcp": [
+    {
+      "hostname": "levoit-*",
+      "macaddress": "*"
+    }
+  ]
 }

custom_components/vesync/strings.json

@@ -1,8 +1,10 @@
 {
   "config": {
+    "flow_title": "Gateway: {gateway_id}",
     "step": {
       "user": {
-        "title": "Enter Username and Password",
+        "title": "VeSync Integration for Home Assistant",
+        "description": "Custom component for Home Assistant to interact with smart devices via the VeSync platform.",
         "data": {
           "username": "[%key:common::config_flow::data::email%]",
           "password": "[%key:common::config_flow::data::password%]"