74 lines
2.4 KiB
Python
74 lines
2.4 KiB
Python
"""Config flow to configure the GeoNet NZ Volcano integration."""
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import voluptuous as vol
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from homeassistant import config_entries
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from homeassistant.const import (
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CONF_LATITUDE,
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CONF_LONGITUDE,
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CONF_RADIUS,
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CONF_SCAN_INTERVAL,
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CONF_UNIT_SYSTEM,
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)
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from homeassistant.core import callback
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from homeassistant.helpers import config_validation as cv
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from homeassistant.util.unit_system import US_CUSTOMARY_SYSTEM
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from .const import (
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DEFAULT_RADIUS,
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DEFAULT_SCAN_INTERVAL,
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DOMAIN,
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IMPERIAL_UNITS,
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METRIC_UNITS,
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)
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@callback
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def configured_instances(hass):
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"""Return a set of configured GeoNet NZ Volcano instances."""
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return {
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f"{entry.data[CONF_LATITUDE]}, {entry.data[CONF_LONGITUDE]}"
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for entry in hass.config_entries.async_entries(DOMAIN)
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}
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class GeonetnzVolcanoFlowHandler(config_entries.ConfigFlow, domain=DOMAIN):
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"""Handle a GeoNet NZ Volcano config flow."""
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async def _show_form(self, errors=None):
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"""Show the form to the user."""
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data_schema = vol.Schema(
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{vol.Optional(CONF_RADIUS, default=DEFAULT_RADIUS): cv.positive_int}
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)
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return self.async_show_form(
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step_id="user", data_schema=data_schema, errors=errors or {}
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)
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async def async_step_import(self, import_config):
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"""Import a config entry from configuration.yaml."""
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return await self.async_step_user(import_config)
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async def async_step_user(self, user_input=None):
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"""Handle the start of the config flow."""
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if not user_input:
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return await self._show_form()
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latitude = user_input.get(CONF_LATITUDE, self.hass.config.latitude)
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user_input[CONF_LATITUDE] = latitude
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longitude = user_input.get(CONF_LONGITUDE, self.hass.config.longitude)
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user_input[CONF_LONGITUDE] = longitude
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identifier = f"{user_input[CONF_LATITUDE]}, {user_input[CONF_LONGITUDE]}"
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if identifier in configured_instances(self.hass):
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return await self._show_form({"base": "already_configured"})
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if self.hass.config.units is US_CUSTOMARY_SYSTEM:
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user_input[CONF_UNIT_SYSTEM] = IMPERIAL_UNITS
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else:
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user_input[CONF_UNIT_SYSTEM] = METRIC_UNITS
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scan_interval = user_input.get(CONF_SCAN_INTERVAL, DEFAULT_SCAN_INTERVAL)
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user_input[CONF_SCAN_INTERVAL] = scan_interval.total_seconds()
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return self.async_create_entry(title=identifier, data=user_input)
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