Initial Commit

custom_components/powercalc/errors.py

@@ -0,0 +1,54 @@
+"""Errors for the power component."""
+
+from __future__ import annotations
+
+from homeassistant.exceptions import HomeAssistantError
+
+
+class PowercalcSetupError(HomeAssistantError):
+    """Raised when an error occurred during powercalc sensor setup."""
+
+
+class SensorConfigurationError(PowercalcSetupError):
+    """Raised when sensor configuration is invalid."""
+
+
+class SensorAlreadyConfiguredError(SensorConfigurationError):
+    """Raised when power sensors has already been configured before for the entity."""
+
+    def __init__(
+        self,
+        source_entity_id: str,
+        existing_entities: list,
+    ) -> None:
+        self.existing_entities = existing_entities
+        super().__init__(
+            f"{source_entity_id}: This entity has already configured a power sensor. "
+            "When you want to configure it twice make sure to give it a unique_id",
+        )
+
+    def get_existing_entities(self) -> list:
+        return self.existing_entities
+
+
+class StrategyConfigurationError(PowercalcSetupError):
+    """Raised when strategy is not setup correctly."""
+
+    def __init__(self, message: str, config_flow_trans_key: str | None = None) -> None:
+        super().__init__(message)
+        self._config_flow_trans_key = config_flow_trans_key
+
+    def get_config_flow_translate_key(self) -> str | None:
+        return self._config_flow_trans_key
+
+
+class ModelNotSupportedError(StrategyConfigurationError):
+    """Raised when model is not supported."""
+
+
+class UnsupportedStrategyError(PowercalcSetupError):
+    """Mode not supported."""
+
+
+class LutFileNotFoundError(PowercalcSetupError):
+    """Raised when LUT CSV file does not exist."""