Add support for config flows for switches

custom_components/localtuya/config_flow.py

@@ -0,0 +1,140 @@
+"""Config flow for LocalTuya integration integration."""
+import logging
+
+import voluptuous as vol
+
+from homeassistant import config_entries, core, exceptions
+from homeassistant.const import (
+    CONF_SWITCHES,
+    CONF_ID,
+    CONF_HOST,
+    CONF_DEVICE_ID,
+    CONF_NAME,
+    CONF_FRIENDLY_NAME,
+)
+import homeassistant.helpers.config_validation as cv
+
+from . import pytuya
+from .const import (  # pylint: disable=unused-import
+    CONF_DEVICE_TYPE,
+    CONF_LOCAL_KEY,
+    CONF_PROTOCOL_VERSION,
+    CONF_CURRENT,
+    CONF_CURRENT_CONSUMPTION,
+    CONF_VOLTAGE,
+    DOMAIN,
+    DEVICE_TYPE_POWER_OUTLET,
+)
+
+_LOGGER = logging.getLogger(__name__)
+
+ADD_ANOTHER_SWITCH = "add_another_switch"
+
+USER_SCHEMA = vol.Schema(
+    {
+        vol.Required(CONF_NAME): str,
+        vol.Required(CONF_HOST): str,
+        vol.Required(CONF_DEVICE_ID): str,
+        vol.Required(CONF_LOCAL_KEY): str,
+        vol.Required(CONF_PROTOCOL_VERSION, default="3.3"): vol.In(["3.1", "3.3"]),
+        vol.Required(CONF_DEVICE_TYPE, default=DEVICE_TYPE_POWER_OUTLET): vol.In(
+            [DEVICE_TYPE_POWER_OUTLET]
+        ),
+    }
+)
+
+POWER_OUTLET_SCHEMA = vol.Schema(
+    {
+        vol.Required(CONF_ID, default=1): int,
+        vol.Required(CONF_NAME): str,
+        vol.Required(CONF_FRIENDLY_NAME): str,
+        vol.Required(CONF_CURRENT, default=18): int,
+        vol.Required(CONF_CURRENT_CONSUMPTION, default=19): int,
+        vol.Required(CONF_VOLTAGE, default=20): int,
+        vol.Required(ADD_ANOTHER_SWITCH, default=False): bool,
+    }
+)
+
+
+async def validate_input(hass: core.HomeAssistant, data):
+    """Validate the user input allows us to connect."""
+    pytuyadevice = pytuya.OutletDevice(
+        data[CONF_DEVICE_ID], data[CONF_HOST], data[CONF_LOCAL_KEY]
+    )
+    pytuyadevice.set_version(float(data[CONF_PROTOCOL_VERSION]))
+    pytuyadevice.set_dpsUsed({"1": None})
+    try:
+        await hass.async_add_executor_job(pytuyadevice.status)
+    except ConnectionRefusedError:
+        raise CannotConnect
+    except ValueError:
+        raise InvalidAuth
+    return data
+
+
+class LocaltuyaConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
+    """Handle a config flow for LocalTuya integration."""
+
+    VERSION = 1
+    CONNECTION_CLASS = config_entries.CONN_CLASS_LOCAL_POLL
+
+    def __init__(self):
+        """Initialize a new LocaltuyaConfigFlow."""
+        self.basic_info = None
+        self.switches = []
+
+    async def async_step_user(self, user_input=None):
+        """Handle the initial step."""
+        errors = {}
+        if user_input is not None:
+            await self.async_set_unique_id(user_input[CONF_DEVICE_ID])
+            self._abort_if_unique_id_configured()
+
+            try:
+                self.basic_info = await validate_input(self.hass, user_input)
+                if self.basic_info[CONF_DEVICE_TYPE] == "Power Outlet":
+                    return await self.async_step_power_outlet()
+
+                return self.async_abort(reason="unsupported_device_type")
+            except CannotConnect:
+                errors["base"] = "cannot_connect"
+            except InvalidAuth:
+                errors["base"] = "invalid_auth"
+            except Exception:  # pylint: disable=broad-except
+                _LOGGER.exception("Unexpected exception")
+                errors["base"] = "unknown"
+
+        return self.async_show_form(
+            step_id="user", data_schema=USER_SCHEMA, errors=errors
+        )
+
+    async def async_step_power_outlet(self, user_input=None):
+        """Handle the initial step."""
+        errors = {}
+        if user_input is not None:
+            already_configured = any(
+                switch[CONF_ID] == user_input[CONF_ID] for switch in self.switches
+            )
+            if not already_configured:
+                add_another_switch = user_input.pop(ADD_ANOTHER_SWITCH)
+                self.switches.append(user_input)
+                if not add_another_switch:
+                    config = {**self.basic_info, CONF_SWITCHES: self.switches}
+                    return self.async_create_entry(title=config[CONF_NAME], data=config)
+            else:
+                errors["base"] = "switch_already_configured"
+
+        return self.async_show_form(
+            step_id="power_outlet",
+            data_schema=POWER_OUTLET_SCHEMA,
+            errors=errors,
+            description_placeholders={"number": len(self.switches) + 1},
+        )
+
+
+class CannotConnect(exceptions.HomeAssistantError):
+    """Error to indicate we cannot connect."""
+
+
+class InvalidAuth(exceptions.HomeAssistantError):
+    """Error to indicate there is invalid auth."""