Added landesübergreifendes Hochwasserportal

custom_components/hochwasserportal/config_flow.py

@@ -0,0 +1,62 @@
+"""Config flow for the hochwasserportal integration."""
+
+from __future__ import annotations
+
+from typing import Any
+
+from lhpapi import HochwasserPortalAPI, LHPError
+import voluptuous as vol
+
+from homeassistant.config_entries import ConfigFlow
+from homeassistant.data_entry_flow import FlowResult
+import homeassistant.helpers.config_validation as cv
+
+from .const import CONF_ADD_UNAVAILABLE, CONF_PEGEL_IDENTIFIER, DOMAIN, LOGGER
+
+
+class HochwasserPortalConfigFlow(ConfigFlow, domain=DOMAIN):
+    """Handle the config flow for the hochwasserportal integration."""
+
+    VERSION = 1
+    MINOR_VERSION = 2
+
+    async def async_step_user(
+        self, user_input: dict[str, Any] | None = None
+    ) -> FlowResult:
+        """Handle the initial step."""
+        errors: dict = {}
+
+        if user_input is not None:
+            pegel_identifier = user_input[CONF_PEGEL_IDENTIFIER]
+
+            # Validate pegel identifier using the API
+            try:
+                api = await self.hass.async_add_executor_job(
+                    HochwasserPortalAPI, pegel_identifier
+                )
+                LOGGER.debug(
+                    "%s (%s): Successfully added!",
+                    api.ident,
+                    api.name,
+                )
+            except LHPError as err:
+                LOGGER.exception("Setup of %s failed: %s", pegel_identifier, err)
+                errors["base"] = "invalid_identifier"
+
+            if not errors:
+                # Set the unique ID for this config entry.
+                await self.async_set_unique_id(f"{DOMAIN}_{pegel_identifier.lower()}")
+                self._abort_if_unique_id_configured()
+
+                return self.async_create_entry(title=f"{api.name}", data=user_input)
+
+        return self.async_show_form(
+            step_id="user",
+            errors=errors,
+            data_schema=vol.Schema(
+                {
+                    vol.Required(CONF_PEGEL_IDENTIFIER): cv.string,
+                    vol.Required(CONF_ADD_UNAVAILABLE, default=False): cv.boolean,
+                }
+            ),
+        )