augie/webapp/lib/augie_web/live/camera_live.ex

defmodule AugieWeb.CameraLive do
  use Phoenix.LiveView

  @moduledoc """
  A Liveview which streams images from the raspberry pi camera.
  """

  def render(assigns) do
    ~L"""
    <div class="card">
      <div class="card-divider">
        <h4>Camera</h4>
      </div>
      <img src="<%= @img_src %>">
    </div>
    """
  end

  def mount(_params, _context, socket) do
    socket =
      if connected?(socket) do
        assign(socket, img_src: "/camera/stream")
      else
        assign(socket, img_src: "/camera/static")
      end

    {:ok, socket}
  end
end