Migrate from channel to phoenix live view.

Move phoenix config to ui project.
Sync progress on page load.

morse/lib/morse/server.ex

@@ -13,6 +13,10 @@ defmodule Morse.Server do
     GenServer.cast(__MODULE__, {:progress, progress})
   end
 
+  def progress do
+    GenServer.call(__MODULE__, :progress)
+  end
+
   @impl true
   def init(state) do
     {:ok, state}
@@ -28,13 +32,17 @@ defmodule Morse.Server do
     end
   end
 
+  def handle_call(:progress, _from, {_pid, progress} = state) do
+    {:reply, progress, state}
+  end
+
   @impl true
   def handle_cast({:progress, new_progress}, {pid, _progress}) do
-    apply(progress_socket(), :broadcast_progress, [new_progress])
+    apply(pubsub(), :broadcast, [Ui.PubSub, "morse_progress", new_progress])
     {:noreply, {pid, new_progress}}
   end
 
-  defp progress_socket do
-    Application.fetch_env!(:morse, :progress_socket)
+  defp pubsub do
+    Application.fetch_env!(:morse, :pubsub)
   end
 end

morse/lib/morse/worker.ex

@@ -60,7 +60,7 @@ defmodule Morse.Worker do
     |> String.to_charlist()
   end
 
-  case Mix.Nerves.Utils.mix_target() do
+  case Application.get_env(:ui, :target) do
     :host ->
       def toggle_lamp(state) do
         :rpc.call(:"esrom@esrom.lan", Morse.Worker, :toggle_lamp, [state])

morse/mix.exs

@@ -15,7 +15,7 @@ defmodule Morse.MixProject do
   def application do
     [
       extra_applications: [:logger],
-      env: [morse_message: "...---...", relay_pin: 17],
+      env: [morse_message: "... --- ...", relay_pin: 17],
       mod: {Morse.Application, []}
     ]
   end