add comments to live_channel_view.ex

lib/snitch_web/views/live_channel_view.ex

@@ -1,6 +1,11 @@
 defmodule SnitchWeb.LiveChannelView do
   use Phoenix.LiveView
 
+  #
+  # When the controller calls live_render/3 this mount/2 function will get called
+  # after the mount/2 function finishes then the render/1 function will get called
+  # with the assigns
+  #
   def mount(session, socket) do
     channel = session[:channel]
     if connected?(socket), do: SnitchWeb.Endpoint.subscribe("channel-updated:#{channel.id}")
@@ -16,6 +21,15 @@ defmodule SnitchWeb.LiveChannelView do
 
   def render(assigns), do: SnitchWeb.ChannelView.render("show_active.html", assigns)
 
+  #
+  # Since the mount/2 function called "subscribe" to with the identifier
+  # "channel-updated:#{channel.id}" then anytime data is broadcast this
+  # handle_info/2 function will run and we have the power to set new values
+  # with set_assigns/2
+  #
+  # After we assign new values, the render/1 function will get called with the
+  # new assigns
+  #
   def handle_info(channel, socket) do
     {
       :noreply,