Feature 131 control trv valve (#139)

* Add configFlow and translations
* Refacto VersatileThermostat with BaseThermostat. Tests ok
* Add ThermostatValve. All tests ok

---------

Co-authored-by: Jean-Marc Collin <jean-marc.collin-extern@renault.com>

custom_components/versatile_thermostat/thermostat_switch.py

@@ -0,0 +1,121 @@
+""" A climate over switch classe """
+import logging
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.event import async_track_state_change_event
+from homeassistant.components.climate import HVACMode
+
+from .const import (
+    CONF_HEATER,
+    CONF_HEATER_2,
+    CONF_HEATER_3,
+    CONF_HEATER_4
+)
+
+from .base_thermostat import BaseThermostat
+
+from .underlyings import UnderlyingSwitch
+
+_LOGGER = logging.getLogger(__name__)
+
+class ThermostatOverSwitch(BaseThermostat):
+    """Representation of a base class for a Versatile Thermostat over a switch."""
+
+    def __init__(self, hass: HomeAssistant, unique_id, name, entry_infos) -> None:
+        """Initialize the thermostat over switch."""
+        super().__init__(hass, unique_id, name, entry_infos)
+
+    @property
+    def is_over_switch(self) -> bool:
+        """ True if the Thermostat is over_switch"""
+        return True
+
+    def post_init(self, entry_infos):
+        """ Initialize the Thermostat"""
+
+        super().post_init(entry_infos)
+        lst_switches = [entry_infos.get(CONF_HEATER)]
+        if entry_infos.get(CONF_HEATER_2):
+            lst_switches.append(entry_infos.get(CONF_HEATER_2))
+        if entry_infos.get(CONF_HEATER_3):
+            lst_switches.append(entry_infos.get(CONF_HEATER_3))
+        if entry_infos.get(CONF_HEATER_4):
+            lst_switches.append(entry_infos.get(CONF_HEATER_4))
+
+        delta_cycle = self._cycle_min * 60 / len(lst_switches)
+        for idx, switch in enumerate(lst_switches):
+            self._underlyings.append(
+                UnderlyingSwitch(
+                    hass=self._hass,
+                    thermostat=self,
+                    switch_entity_id=switch,
+                    initial_delay_sec=idx * delta_cycle,
+                )
+            )
+
+    async def async_added_to_hass(self):
+        """Run when entity about to be added."""
+        _LOGGER.debug("Calling async_added_to_hass")
+
+        await super().async_added_to_hass()
+
+        # Add listener to all underlying entities
+        for switch in self._underlyings:
+            self.async_on_remove(
+                async_track_state_change_event(
+                    self.hass, [switch.entity_id], self._async_switch_changed
+                )
+        )
+
+        self.hass.create_task(self.async_control_heating())
+
+    def update_custom_attributes(self):
+        """ Custom attributes """
+        super().update_custom_attributes()
+
+        self._attr_extra_state_attributes["is_over_switch"] = self.is_over_switch
+        self._attr_extra_state_attributes["underlying_switch_0"] = (
+                self._underlyings[0].entity_id)
+        self._attr_extra_state_attributes["underlying_switch_1"] = (
+                self._underlyings[1].entity_id if len(self._underlyings) > 1 else None
+            )
+        self._attr_extra_state_attributes["underlying_switch_2"] = (
+                self._underlyings[2].entity_id if len(self._underlyings) > 2 else None
+            )
+        self._attr_extra_state_attributes["underlying_switch_3"] = (
+                self._underlyings[3].entity_id if len(self._underlyings) > 3 else None
+            )
+
+        self._attr_extra_state_attributes[
+                "on_percent"
+            ] = self._prop_algorithm.on_percent
+        self._attr_extra_state_attributes[
+            "on_time_sec"
+        ] = self._prop_algorithm.on_time_sec
+        self._attr_extra_state_attributes[
+            "off_time_sec"
+        ] = self._prop_algorithm.off_time_sec
+        self._attr_extra_state_attributes["cycle_min"] = self._cycle_min
+        self._attr_extra_state_attributes["function"] = self._proportional_function
+        self._attr_extra_state_attributes["tpi_coef_int"] = self._tpi_coef_int
+        self._attr_extra_state_attributes["tpi_coef_ext"] = self._tpi_coef_ext
+
+        self.async_write_ha_state()
+        _LOGGER.debug(
+            "%s - Calling update_custom_attributes: %s",
+            self,
+            self._attr_extra_state_attributes,
+        )
+
+    def recalculate(self):
+        """A utility function to force the calculation of a the algo and
+        update the custom attributes and write the state
+        """
+        _LOGGER.debug("%s - recalculate all", self)
+        self._prop_algorithm.calculate(
+            self._target_temp,
+            self._cur_temp,
+            self._cur_ext_temp,
+            self._hvac_mode == HVACMode.COOL,
+        )
+        self.update_custom_attributes()
+        self.async_write_ha_state()