Do not delete admin songs

config/config.exs

@@ -11,6 +11,10 @@ config :live_beats,
   replica: LiveBeats.ReplicaRepo,
   ecto_repos: [LiveBeats.Repo]
 
+
+config :live_beats, :files,
+  admin_usernames: []
+
 # Configures the endpoint
 config :live_beats, LiveBeatsWeb.Endpoint,
   url: [host: "localhost"],

config/runtime.exs

@@ -62,6 +62,7 @@ if config_env() == :prod do
     secret_key_base: secret_key_base
 
   config :live_beats, :files,
+    admin_usernames: ~w(chrismccord mrkurt),
     uploads_dir: "/app/uploads",
     host: [scheme: "https", host: host, port: 443],
     server_ip: System.fetch_env!("LIVE_BEATS_SERVER_IP"),

lib/live_beats/media_library.ex

@@ -362,14 +362,17 @@ defmodule LiveBeats.MediaLibrary do
   end
 
   def expire_songs_older_than(count, interval) when interval in [:month, :day, :second] do
+    admin_usernames = LiveBeats.config([:files, :admin_usernames])
     server_ip = LiveBeats.config([:files, :server_ip])
 
     Ecto.Multi.new()
     |> Ecto.Multi.delete_all(
       :delete_expired_songs,
       from(s in Song,
+        join: u in assoc(s, :user),
         where: s.inserted_at < from_now(^(-count), ^to_string(interval)),
         where: s.server_ip == ^server_ip,
+        where: u.username not in ^admin_usernames,
         select: %{user_id: s.user_id, mp3_filepath: s.mp3_filepath}
       )
     )