Pass device_id to intent handlers (#117442)

homeassistant/components/conversation/default_agent.py

@@ -358,6 +358,7 @@ async def async_process(self, user_input: ConversationInput) -> ConversationResu
                 user_input.context,
                 language,
                 assistant=DOMAIN,
+                device_id=user_input.device_id,
             )
         except intent.MatchFailedError as match_error:
             # Intent was valid, but no entities matched the constraints.

homeassistant/helpers/intent.py

@@ -97,6 +97,7 @@ async def async_handle(
     context: Context | None = None,
     language: str | None = None,
     assistant: str | None = None,
+    device_id: str | None = None,
 ) -> IntentResponse:
     """Handle an intent."""
     handler = hass.data.get(DATA_KEY, {}).get(intent_type)
@@ -119,6 +120,7 @@ async def async_handle(
         context=context,
         language=language,
         assistant=assistant,
+        device_id=device_id,
     )
 
     try:
@@ -1116,6 +1118,7 @@ class Intent:
         "language",
         "category",
         "assistant",
+        "device_id",
     ]
 
     def __init__(
@@ -1129,6 +1132,7 @@ def __init__(
         language: str,
         category: IntentCategory | None = None,
         assistant: str | None = None,
+        device_id: str | None = None,
     ) -> None:
         """Initialize an intent."""
         self.hass = hass
@@ -1140,6 +1144,7 @@ def __init__(
         self.language = language
         self.category = category
         self.assistant = assistant
+        self.device_id = device_id
 
     @callback
     def create_response(self) -> IntentResponse:

tests/components/conversation/test_default_agent.py

@@ -1090,3 +1090,35 @@ async def test_same_aliased_entities_in_different_areas(
         hass, "how many lights are on?", None, Context(), None
     )
     assert result.response.response_type == intent.IntentResponseType.QUERY_ANSWER
+
+
+async def test_device_id_in_handler(hass: HomeAssistant, init_components) -> None:
+    """Test that the default agent passes device_id to intent handler."""
+    device_id = "test_device"
+
+    # Reuse custom sentences in test config to trigger default agent.
+    class OrderBeerIntentHandler(intent.IntentHandler):
+        intent_type = "OrderBeer"
+
+        def __init__(self) -> None:
+            super().__init__()
+            self.device_id: str | None = None
+
+        async def async_handle(
+            self, intent_obj: intent.Intent
+        ) -> intent.IntentResponse:
+            self.device_id = intent_obj.device_id
+            return intent_obj.create_response()
+
+    handler = OrderBeerIntentHandler()
+    intent.async_register(hass, handler)
+
+    result = await conversation.async_converse(
+        hass,
+        "I'd like to order a stout please",
+        None,
+        Context(),
+        device_id=device_id,
+    )
+    assert result.response.response_type == intent.IntentResponseType.ACTION_DONE
+    assert handler.device_id == device_id