103 lines
2.7 KiB
Rust
103 lines
2.7 KiB
Rust
use async_trait::async_trait;
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use automation_macro::{LuaDevice, LuaDeviceConfig};
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use rumqttc::Publish;
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use tracing::{debug, trace, warn};
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use super::LuaDeviceCreate;
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use crate::config::MqttDeviceConfig;
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use crate::devices::Device;
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use crate::event::{self, Event, EventChannel, OnMqtt};
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use crate::messages::BrightnessMessage;
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use crate::mqtt::WrappedAsyncClient;
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#[derive(Debug, Clone, LuaDeviceConfig)]
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pub struct LightSensorConfig {
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identifier: String,
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#[device_config(flatten)]
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pub mqtt: MqttDeviceConfig,
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pub min: isize,
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pub max: isize,
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#[device_config(rename("event_channel"), from_lua, with(|ec: EventChannel| ec.get_tx()))]
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pub tx: event::Sender,
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#[device_config(from_lua)]
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client: WrappedAsyncClient,
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}
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pub const DEFAULT: bool = false;
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#[derive(Debug, LuaDevice)]
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pub struct LightSensor {
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config: LightSensorConfig,
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is_dark: bool,
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}
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#[async_trait]
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impl LuaDeviceCreate for LightSensor {
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type Config = LightSensorConfig;
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type Error = rumqttc::ClientError;
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async fn create(config: Self::Config) -> Result<Self, Self::Error> {
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trace!(id = config.identifier, "Setting up LightSensor");
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config
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.client
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.subscribe(&config.mqtt.topic, rumqttc::QoS::AtLeastOnce)
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.await?;
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Ok(Self {
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config,
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is_dark: DEFAULT,
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})
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}
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}
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impl Device for LightSensor {
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fn get_id(&self) -> String {
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self.config.identifier.clone()
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}
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}
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#[async_trait]
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impl OnMqtt for LightSensor {
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async fn on_mqtt(&mut self, message: Publish) {
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if !rumqttc::matches(&message.topic, &self.config.mqtt.topic) {
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return;
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}
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let illuminance = match BrightnessMessage::try_from(message) {
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Ok(state) => state.illuminance(),
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Err(err) => {
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warn!("Failed to parse message: {err}");
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return;
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}
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};
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debug!("Illuminance: {illuminance}");
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let is_dark = if illuminance <= self.config.min {
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trace!("It is dark");
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true
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} else if illuminance >= self.config.max {
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trace!("It is light");
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false
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} else {
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trace!(
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"In between min ({}) and max ({}) value, keeping current state: {}",
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self.config.min,
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self.config.max,
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self.is_dark
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);
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self.is_dark
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};
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if is_dark != self.is_dark {
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debug!("Dark state has changed: {is_dark}");
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self.is_dark = is_dark;
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if self.config.tx.send(Event::Darkness(is_dark)).await.is_err() {
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warn!("There are no receivers on the event channel");
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}
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}
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}
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}
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