173 lines
9.3 KiB
Python
173 lines
9.3 KiB
Python
import json
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import logging
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from typing import TYPE_CHECKING, List
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import paho.mqtt.client as mqtt
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from .event_bus import EventHandler, subscribe
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if TYPE_CHECKING:
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from .models import ServerState
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_LOGGER = logging.getLogger(__name__)
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class MqttController(EventHandler):
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def __init__(self, state: "ServerState", host: str, port: int, username: str, password: str):
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super().__init__(state)
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self._host = host
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self._port = port
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self._username = username
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self._password = password
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self._device_name = self.state.name
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self._device_id = self.state.name.lower().replace(" ", "_")
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self._topic_prefix = f"lva/{self._device_id}"
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self.CONFIGURABLE_STATES: List[str] = ["idle", "listening", "thinking", "responding", "error"]
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self.topics = {
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"mute": { "command": f"{self._topic_prefix}/mute/set", "state": f"{self._topic_prefix}/mute/state" },
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"num_leds": { "command": f"{self._topic_prefix}/num_leds/set", "state": f"{self._topic_prefix}/num_leds/state" }
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}
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for state_name in self.CONFIGURABLE_STATES:
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self.topics[state_name] = {
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"effect_command": f"{self._topic_prefix}/{state_name}_effect/set",
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"effect_state": f"{self._topic_prefix}/{state_name}_effect/state",
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"light_command": f"{self._topic_prefix}/{state_name}_light/set",
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"light_state": f"{self._topic_prefix}/{state_name}_light/state",
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}
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self._client = mqtt.Client()
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self._client.on_connect = self._on_connect
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self._client.on_message = self._on_message
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def start(self):
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try:
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if self._username:
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self._client.username_pw_set(self._username, self._password)
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_LOGGER.debug("Connecting to MQTT broker at %s:%s", self._host, self._port)
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self._client.connect(self._host, self._port, 60)
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self._client.loop_start()
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except Exception:
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_LOGGER.exception("Failed to connect to MQTT broker")
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def stop(self):
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self._client.publish(f"{self._topic_prefix}/availability", "offline", retain=True)
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self._client.loop_stop()
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self._client.disconnect()
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_LOGGER.debug("Disconnected from MQTT broker")
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def _on_connect(self, client, userdata, flags, rc):
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if rc == 0:
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_LOGGER.info("Connected to MQTT broker")
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for entity_type in self.topics.values():
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for topic_type, topic in entity_type.items():
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client.subscribe(topic)
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self._publish_discovery_configs()
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else:
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_LOGGER.error("Failed to connect to MQTT, return code %d", rc)
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def _on_message(self, client, userdata, msg):
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payload_str = msg.payload.decode()
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_LOGGER.debug("Received MQTT message on topic %s", msg.topic)
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if msg.topic == self.topics["mute"]["command"]:
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self.state.event_bus.publish("set_mic_mute", {"state": payload_str.upper() == "ON"})
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elif msg.topic == self.topics["num_leds"]["command"]:
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try:
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num_leds = int(payload_str)
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self.state.event_bus.publish("set_num_leds", {"num_leds": num_leds})
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if self.state.preferences.num_leds != num_leds:
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self.state.preferences.num_leds = num_leds
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self.state.save_preferences()
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self.publish_num_leds_state(num_leds)
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except ValueError: pass
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for state_name in self.CONFIGURABLE_STATES:
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state_topics = self.topics[state_name]
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if msg.topic == state_topics["effect_command"]:
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effect_id = payload_str.lower().replace(" ", "_")
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self.state.event_bus.publish(f"set_{state_name}_effect", {"effect": effect_id})
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elif msg.topic == state_topics["light_command"]:
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# --- THIS IS THE FIX ---
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# This logic now correctly separates on/off from color/brightness
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# and no longer overrides the selected effect.
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try:
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data = json.loads(payload_str)
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if "state" in data:
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# Handle on/off commands
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if data["state"].upper() == "OFF":
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self.state.event_bus.publish(f"set_{state_name}_effect", {"effect": "off"})
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else: # ON command
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# When turning ON, we don't change the effect, just the color/brightness.
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# If the current effect is "Off", we should switch to something sensible like "Solid".
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self.state.event_bus.publish(f"turn_on_{state_name}")
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# Handle color or brightness changes
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if "color" in data or "brightness" in data:
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self.state.event_bus.publish(f"set_{state_name}_color", data)
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except json.JSONDecodeError: pass
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# Handle retained state messages on startup
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elif msg.topic == state_topics["effect_state"]:
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effect_id = payload_str.lower().replace(" ", "_")
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self.state.event_bus.publish(f"set_{state_name}_effect", {"effect": effect_id, "retained": True})
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elif msg.topic == state_topics["light_state"]:
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try:
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data = json.loads(payload_str)
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data["retained"] = True
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self.state.event_bus.publish(f"set_{state_name}_color", data)
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except json.JSONDecodeError: pass
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def _publish_discovery_configs(self):
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availability_topic = f"{self._topic_prefix}/availability"
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device_info = { "identifiers": [self._device_id], "name": self._device_name, "manufacturer": "LVA Project" }
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options = ["Off", "Solid", "Slow Pulse", "Medium Pulse", "Fast Pulse", "Slow Blink", "Medium Blink", "Fast Blink", "Spin"]
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mute_cfg = { "name": "Mute Microphone", "unique_id": f"{self._device_id}_mute", "command_topic": self.topics["mute"]["command"], "state_topic": self.topics["mute"]["state"], "availability_topic": availability_topic, "icon": "mdi:microphone-off", "device": device_info }
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self._client.publish(f"homeassistant/switch/{self._device_id}_mute/config", json.dumps(mute_cfg), retain=True)
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num_leds_cfg = { "name": "Number of LEDs", "unique_id": f"{self._device_id}_num_leds", "command_topic": self.topics["num_leds"]["command"], "state_topic": self.topics["num_leds"]["state"], "availability_topic": availability_topic, "min": 1, "max": 256, "step": 1, "icon": "mdi:counter", "device": device_info, "mode": "box", "entity_category": "config" }
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self._client.publish(f"homeassistant/number/{self._device_id}_num_leds/config", json.dumps(num_leds_cfg), retain=True)
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for state_name in self.CONFIGURABLE_STATES:
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capital_name = state_name.title()
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select_cfg = { "name": f"{capital_name} Effect", "unique_id": f"{self._device_id}_{state_name}_effect", "command_topic": self.topics[state_name]["effect_command"], "state_topic": self.topics[state_name]["effect_state"], "availability_topic": availability_topic, "options": options, "icon": "mdi:palette-swatch-variant", "device": device_info, "entity_category": "config" }
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self._client.publish(f"homeassistant/select/{self._device_id}_{state_name}_effect/config", json.dumps(select_cfg), retain=True)
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light_cfg = { "name": f"{capital_name} Color", "unique_id": f"{self._device_id}_{state_name}_color", "schema": "json", "command_topic": self.topics[state_name]["light_command"], "state_topic": self.topics[state_name]["light_state"], "availability_topic": availability_topic, "brightness": True, "color_mode": True, "supported_color_modes": ["rgb"], "device": device_info, "entity_category": "config" }
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self._client.publish(f"homeassistant/light/{self._device_id}_{state_name}_color/config", json.dumps(light_cfg), retain=True)
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_LOGGER.debug("Published all MQTT discovery configs")
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self._client.publish(availability_topic, "online", retain=True)
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self.publish_mute_state(self.state.mic_muted)
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self.publish_num_leds_state(self.state.preferences.num_leds)
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def publish_mute_state(self, is_muted: bool):
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self._client.publish(self.topics["mute"]["state"], "ON" if is_muted else "OFF", retain=True)
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def publish_num_leds_state(self, num_leds: int):
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self._client.publish(self.topics["num_leds"]["state"], str(num_leds), retain=True)
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@subscribe
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def publish_state_to_mqtt(self, data: dict):
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state_name = data.get("state_name")
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if state_name in self.topics:
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state_topics = self.topics[state_name]
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effect_name = data.get("effect", "off").replace("_", " ").title()
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self._client.publish(state_topics["effect_state"], effect_name, retain=True)
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light_state = {
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"state": "ON" if data.get("effect") != "off" else "OFF",
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"brightness": int(data.get("brightness", 0.5) * 255),
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"color": { "r": data.get("color")[0], "g": data.get("color")[1], "b": data.get("color")[2] }
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}
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self._client.publish(state_topics["light_state"], json.dumps(light_state), retain=True)
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