Add more metrics to ComponentData

Add battery: relay state, component state, errors.
Add inverter: relay state, component state, errors.

Signed-off-by: ela-kotulska-frequenz <[email protected]>

Author: ela-kotulska-frequenz

src/frequenz/sdk/microgrid/component/_component_data.py

@@ -7,8 +7,10 @@
 from abc import ABC, abstractmethod
 from dataclasses import dataclass, field
 from datetime import datetime
-from typing import Optional, Tuple
+from typing import List, Optional, Tuple
 
+import frequenz.api.microgrid.battery_pb2 as battery_pb
+import frequenz.api.microgrid.inverter_pb2 as inverter_pb
 import frequenz.api.microgrid.microgrid_pb2 as microgrid_pb
 import pytz
 
@@ -128,6 +130,9 @@ class BatteryData(ComponentData):
             charging is possible.
         temperature_max: the maximum temperature of all the blocks in a battery, in
             Celcius (°C).
+        _relay_state: state of the battery relay.
+        _component_state: state of the battery.
+        _errors: list of errors in protobuf struct.
     """
 
     soc: float
@@ -137,6 +142,9 @@ class BatteryData(ComponentData):
     power_lower_bound: float
     power_upper_bound: float
     temperature_max: float
+    _relay_state: battery_pb.RelayState.ValueType
+    _component_state: battery_pb.ComponentState.ValueType
+    _errors: List[battery_pb.Error]
 
     @classmethod
     def from_proto(cls, raw: microgrid_pb.ComponentData) -> BatteryData:
@@ -158,6 +166,9 @@ def from_proto(cls, raw: microgrid_pb.ComponentData) -> BatteryData:
             power_lower_bound=raw.battery.data.dc.power.system_bounds.lower,
             power_upper_bound=raw.battery.data.dc.power.system_bounds.upper,
             temperature_max=raw.battery.data.temperature.max,
+            _relay_state=raw.battery.state.relay_state,
+            _component_state=raw.battery.state.component_state,
+            _errors=list(raw.battery.errors),
         )
         battery_data._set_raw(raw=raw)
         return battery_data
@@ -178,11 +189,15 @@ class InverterData(ComponentData):
         active_power_upper_bound: the maximum charge power, in Watts, represented in
             the passive sign convention. This will be a positive number, or zero if no
             charging is possible.
+        _component_state: state of the inverter.
+        _errors: list of errors from the component.
     """
 
     active_power: float
     active_power_lower_bound: float
     active_power_upper_bound: float
+    _component_state: inverter_pb.ComponentState.ValueType
+    _errors: List[inverter_pb.Error]
 
     @classmethod
     def from_proto(cls, raw: microgrid_pb.ComponentData) -> InverterData:
@@ -200,7 +215,10 @@ def from_proto(cls, raw: microgrid_pb.ComponentData) -> InverterData:
             active_power=raw.inverter.data.ac.power_active.value,
             active_power_lower_bound=raw.inverter.data.ac.power_active.system_bounds.lower,
             active_power_upper_bound=raw.inverter.data.ac.power_active.system_bounds.upper,
+            _component_state=raw.inverter.state.component_state,
+            _errors=list(raw.inverter.errors),
         )
+
         inverter_data._set_raw(raw=raw)
         return inverter_data