Add snapshot worker

lib/lynx/application.ex

@@ -19,9 +19,9 @@ defmodule Lynx.Application do
       # Start the PubSub system
       {Phoenix.PubSub, name: Lynx.PubSub},
       # Start the Endpoint (http/https)
-      LynxWeb.Endpoint
+      LynxWeb.Endpoint,
       # Start a worker by calling: Lynx.Worker.start_link(arg)
-      # {Lynx.Worker, arg}
+      {Lynx.Workers, %{}}
     ]
 
     # See https://hexdocs.pm/elixir/Supervisor.html

lib/lynx/worker/snapshot.ex

@@ -0,0 +1,36 @@
+# Copyright 2023 Clivern. All rights reserved.
+# Use of this source code is governed by the MIT
+# license that can be found in the LICENSE file.
+
+defmodule Lynx.Worker.SnapshotWorker do
+  use GenServer
+
+  require Logger
+
+  def start_link(state) do
+    GenServer.start_link(__MODULE__, state, name: __MODULE__)
+  end
+
+  ## Callbacks
+  @impl true
+  def init(state) do
+    Logger.info("Snapshor Worker Started")
+
+    schedule_work()
+
+    {:ok, state}
+  end
+
+  @impl true
+  def handle_info(:fire, state) do
+    # Reschedule once more
+    schedule_work()
+
+    {:noreply, state}
+  end
+
+  defp schedule_work do
+    # We schedule the work to happen in 60 seconds
+    Process.send_after(self(), :fire, 60 * 1000)
+  end
+end

lib/lynx/workers.ex

@@ -0,0 +1,20 @@
+# Copyright 2023 Clivern. All rights reserved.
+# Use of this source code is governed by the MIT
+# license that can be found in the LICENSE file.
+
+defmodule Lynx.Workers do
+  use Supervisor
+
+  def start_link(init_state) do
+    Supervisor.start_link(__MODULE__, init_state, name: __MODULE__)
+  end
+
+  @impl true
+  def init(_init_state) do
+    children = [
+      {Lynx.Worker.SnapshotWorker, %{}}
+    ]
+
+    Supervisor.init(children, strategy: :one_for_one)
+  end
+end