Hardware integration MVP (#71677)

homeassistant/components/hardware/websocket_api.py

@@ -0,0 +1,47 @@
+"""The Hardware websocket API."""
+from __future__ import annotations
+
+import contextlib
+from dataclasses import asdict
+
+import voluptuous as vol
+
+from homeassistant.components import websocket_api
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.exceptions import HomeAssistantError
+
+from .const import DOMAIN
+from .hardware import async_process_hardware_platforms
+from .models import HardwareProtocol
+
+
+@callback
+def async_setup(hass: HomeAssistant) -> None:
+    """Set up the hardware websocket API."""
+    websocket_api.async_register_command(hass, ws_info)
+
+
+@websocket_api.websocket_command(
+    {
+        vol.Required("type"): "hardware/info",
+    }
+)
+@websocket_api.async_response
+async def ws_info(
+    hass: HomeAssistant, connection: websocket_api.ActiveConnection, msg: dict
+) -> None:
+    """Return hardware info."""
+    hardware_info = []
+
+    if "hardware_platform" not in hass.data[DOMAIN]:
+        await async_process_hardware_platforms(hass)
+
+    hardware_platform: dict[str, HardwareProtocol] = hass.data[DOMAIN][
+        "hardware_platform"
+    ]
+    for platform in hardware_platform.values():
+        if hasattr(platform, "async_info"):
+            with contextlib.suppress(HomeAssistantError):
+                hardware_info.append(asdict(platform.async_info(hass)))
+
+    connection.send_result(msg["id"], {"hardware": hardware_info})