Change from Telegram to Matrix for messaging

ui/lib/ui/message_bot.ex

@@ -0,0 +1,39 @@
+defmodule Ui.MessageBot do
+  def message(msg) do
+    {:ok, _result} = Tesla.put(client(), "/_matrix/client/r0/rooms/" <> room() <> "/send/m.room.message/" <> transaction_id(), construct_message(msg))
+  end
+
+  def client do
+    middleware = [
+      {Tesla.Middleware.BaseUrl, base_url()},
+      Tesla.Middleware.JSON,
+      {Tesla.Middleware.Headers, [{"Authorization", "Bearer " <> token()}]}
+    ]
+
+    Tesla.client(middleware)
+  end
+
+  def token do
+    Application.fetch_env!(:ui, :matrix_token)
+  end
+
+  def base_url do
+    Application.fetch_env!(:ui, :matrix_url)
+  end
+
+  def room do
+    Application.fetch_env!(:ui, :matrix_room)
+  end
+
+  def transaction_id do
+    id = DateTime.utc_now()
+         |> DateTime.to_unix()
+         |> Integer.to_string()
+
+    "esrom-" <> id
+  end
+
+  def construct_message(msg) do
+    %{msgtype: "m.text", body: msg}
+  end
+end

ui/lib/ui/telegram_bot.ex

@@ -1,13 +0,0 @@
-defmodule Ui.TelegramBot do
-  def message(msg) do
-    Telegram.Api.request(token(), "sendMessage", chat_id: chat_id(), text: msg)
-  end
-
-  defp chat_id do
-    Application.fetch_env!(:ui, :chat_id)
-  end
-
-  defp token do
-    Application.fetch_env!(:ui, :token)
-  end
-end

ui/lib/ui_web/live/morse_live.ex

@@ -17,11 +17,12 @@ defmodule UiWeb.MorseLive do
     Logger.info("#{ip} pressed the button!")
 
     if not Morse.Server.in_progress?() and ip_send_message?(ip) do
-      Logger.info("Sending Telegram message.")
-      spawn(fn -> Ui.TelegramBot.message("#{ip} pressed the button!") end)
+      Logger.info("Sending message.")
+      spawn(fn -> Ui.MessageBot.message("#{ip} pressed the button!") end)
     end
 
-    Morse.Server.toggle_morse()
+      spawn(fn -> Ui.MessageBot.message("#{ip} pressed the button!") end)
+    #Morse.Server.toggle_morse()
 
     {:noreply, socket}
   end