Reimplements shelly

src/modules/shelly.rs

@@ -7,10 +7,54 @@ use crate::db::machine::Status;
 use std::pin::Pin;
 use futures::prelude::*;
 use futures::channel::mpsc;
+use futures::future::BoxFuture;
 use futures::ready;
 use futures::task::{Poll, Context, Waker, Spawn, FutureObj};
 use futures::StreamExt;
 use futures_signals::signal::Signal;
 
+use crate::actor::Actuator;
+use crate::db::machine::MachineState;
+
 use paho_mqtt as mqtt;
 
+/// An actuator for a Shellie connected listening on one MQTT broker
+///
+/// This actuator will toggle the shellie with the given `name`.
+/// If you need to toggle shellies on multiple brokers you need multiple instanced of this
+/// actuator with different clients.
+struct Shelly {
+    log: Logger,
+    name: String,
+    client: mqtt::AsyncClient,
+}
+
+impl Shelly {
+    pub fn new(log_view: &Logger, name: String, client: mqtt::AsyncClient) -> Self {
+        let log = log_view.new(o!("shelly_name" => name.clone()));
+        Shelly { log, name, client, }
+    }
+
+    /// Set the name to a new one. This changes the shelly that will be activated
+    pub fn set_name(&mut self, new_name: String) {
+        let log = self.log.new(o!("shelly_name" => new_name.clone()));
+        self.name = new_name;
+        self.log = log;
+    }
+}
+
+
+impl Actuator for Shelly {
+    fn apply(&mut self, state: MachineState) -> BoxFuture<'static, ()> {
+        info!(self.log, "Machine Status changed: {:?}", state);
+        let topic = format!("shellies/{}/relay/0/command", self.name);
+        let pl = match state.state {
+            Status::InUse(_, _) => "on",
+            _ => "off",
+        };
+        let msg = mqtt::Message::new(topic, pl, 0);
+        let f = self.client.publish(msg).map(|_| ());
+
+        return Box::pin(f);
+    }
+}