feature/ha-adapter: Grundmodell, Client und Reader für Home Assistant

app/ha/reader.py

@@ -0,0 +1,31 @@
+from __future__ import annotations
+
+from collections.abc import Sequence
+
+from app.ha.client import HaClient
+from app.ha.models import HaEntitySummary, HaState
+
+
+class HaReader:
+    def __init__(self, client: HaClient) -> None:
+        self._client = client
+
+    def read_entities(self) -> Sequence[HaEntitySummary]:
+        entities = self._client.list_entities()
+        summaries: list[HaEntitySummary] = []
+        for item in entities:
+            entity_id = item.get("entity_id", "")
+            if "." not in entity_id:
+                continue
+            domain = entity_id.split(".", 1)[0]
+            attributes = item.get("attributes") or {}
+            summaries.append(
+                HaEntitySummary(
+                    entity_id=entity_id,
+                    domain=domain,
+                    state_class=str(attributes.get("state_class") or ""),
+                    device_class=str(attributes.get("device_class") or ""),
+                    unit_of_measurement=str(attributes.get("unit_of_measurement") or ""),
+                )
+            )
+        return summaries