Enable artists maintenance tasks

lib/music_library/artists.ex

@@ -100,6 +100,50 @@ defmodule MusicLibrary.Artists do
     end
   end
 
+  def refresh_musicbrainz_data(artist_id) do
+    with {:ok, musicbrainz_artist} <- MusicBrainz.get_artist(artist_id) do
+      get_artist_info!(artist_id)
+      |> ArtistInfo.changeset(%{musicbrainz_data: musicbrainz_artist.musicbrainz_data})
+      |> Repo.update()
+    end
+  end
+
+  def refresh_musicbrainz_data_async(artist_info) do
+    meta = %{}
+    params = %{"id" => artist_info.id}
+
+    params
+    |> Worker.ArtistRefreshMusicBrainzData.new(meta: meta)
+    |> BackgroundRepo.insert()
+  end
+
+  def refresh_discogs_data(artist_id) do
+    artist_info = get_artist_info!(artist_id)
+
+    if discogs_id = ArtistInfo.discogs_id(artist_info) do
+      case Discogs.get_artist(discogs_id) do
+        {:ok, discogs_artist} ->
+          artist_info
+          |> ArtistInfo.changeset(%{discogs_data: discogs_artist})
+          |> Repo.update()
+
+        error ->
+          error
+      end
+    else
+      {:ok, artist_info}
+    end
+  end
+
+  def refresh_discogs_data_async(artist_info) do
+    meta = %{}
+    params = %{"id" => artist_info.id}
+
+    params
+    |> Worker.ArtistRefreshDiscogsData.new(meta: meta)
+    |> BackgroundRepo.insert()
+  end
+
   def create_artist_info(attrs) do
     %ArtistInfo{}
     |> ArtistInfo.changeset(attrs)

lib/music_library/artists/artist_info.ex

@@ -71,4 +71,11 @@ defmodule MusicLibrary.Artists.ArtistInfo do
 
   def external_links(artist_info),
     do: ExternalLink.external_links(artist_info.musicbrainz_data, @external_link_patterns)
+
+  def discogs_id(artist_info) do
+    case artist_info.discogs_data do
+      %{"id" => discogs_id} -> discogs_id
+      _ -> nil
+    end
+  end
 end

lib/music_library/artists/batch.ex

@@ -0,0 +1,48 @@
+defmodule MusicLibrary.Artists.Batch do
+  import Ecto.Query
+
+  alias MusicLibrary.Artists
+  alias MusicLibrary.Artists.ArtistInfo
+  alias MusicLibrary.Repo
+
+  require Logger
+
+  def refresh_musicbrainz_data do
+    run_on_all_artist_infos(fn artist_info ->
+      Artists.refresh_musicbrainz_data_async(artist_info)
+    end)
+  end
+
+  def refresh_discogs_data do
+    run_on_all_artist_infos(fn artist_info ->
+      Artists.refresh_discogs_data_async(artist_info)
+    end)
+  end
+
+  defp run_on_all_artist_infos(fun) do
+    q = from(r in ArtistInfo)
+    stream = Repo.stream(q, max_rows: 50)
+
+    Repo.transaction(
+      fn ->
+        Enum.reduce(stream, [], fn artist_info, acc ->
+          case fun.(artist_info) do
+            {:error, reason} ->
+              Logger.error(
+                "Failed to run function on artist_info #{artist_info.id} with #{inspect(reason)}"
+              )
+
+              [artist_info.id | acc]
+
+            :ok ->
+              acc
+
+            {:ok, _artist_info} ->
+              acc
+          end
+        end)
+      end,
+      timeout: :infinity
+    )
+  end
+end

lib/music_library/worker/artist_refresh_discogs_data.ex

@@ -0,0 +1,10 @@
+defmodule MusicLibrary.Worker.ArtistRefreshDiscogsData do
+  use Oban.Worker, queue: :discogs, max_attempts: 3
+
+  @impl Oban.Worker
+  def perform(%Oban.Job{args: %{"id" => artist_info_id}}) do
+    MusicLibrary.Artists.refresh_discogs_data(artist_info_id)
+
+    Process.sleep(100)
+  end
+end

lib/music_library/worker/artist_refresh_music_brainz_data.ex

@@ -0,0 +1,10 @@
+defmodule MusicLibrary.Worker.ArtistRefreshMusicBrainzData do
+  use Oban.Worker, queue: :music_brainz, max_attempts: 3
+
+  @impl Oban.Worker
+  def perform(%Oban.Job{args: %{"id" => artist_info_id}}) do
+    MusicLibrary.Artists.refresh_musicbrainz_data(artist_info_id)
+
+    Process.sleep(500)
+  end
+end

lib/music_library_web/live/maintenance_live/index.ex

@@ -3,7 +3,8 @@ defmodule MusicLibraryWeb.MaintenanceLive.Index do
 
   require Logger
 
-  alias MusicLibrary.Records.Batch
+  alias MusicLibrary.Artists
+  alias MusicLibrary.Records
   alias MusicLibrary.Repo
 
   def mount(_params, _session, socket) do
@@ -16,7 +17,7 @@ defmodule MusicLibraryWeb.MaintenanceLive.Index do
   end
 
   def handle_event("refresh_records_musicbrainz_data", _params, socket) do
-    Batch.refresh_musicbrainz_data()
+    Records.Batch.refresh_musicbrainz_data()
 
     {:noreply,
      socket
@@ -24,7 +25,23 @@ defmodule MusicLibraryWeb.MaintenanceLive.Index do
   end
 
   def handle_event("generate_record_embeddings", _params, socket) do
-    Batch.generate_embeddings()
+    Records.Batch.generate_embeddings()
+
+    {:noreply,
+     socket
+     |> put_toast(:info, gettext("Operation started in the background."))}
+  end
+
+  def handle_event("refresh_artists_musicbrainz_data", _params, socket) do
+    Artists.Batch.refresh_musicbrainz_data()
+
+    {:noreply,
+     socket
+     |> put_toast(:info, gettext("Operation started in the background."))}
+  end
+
+  def handle_event("refresh_artists_discogs_data", _params, socket) do
+    Artists.Batch.refresh_discogs_data()
 
     {:noreply,
      socket

lib/music_library_web/live/maintenance_live/index.html.heex

@@ -48,7 +48,6 @@
     <ul class="mt-4">
       <li class="space-y-4">
         <.button
-          disabled
           type="button"
           phx-click="refresh_artists_musicbrainz_data"
           data-confirm={
@@ -60,7 +59,6 @@
           {gettext("Refresh MusicBrainz data")}
         </.button>
         <.button
-          disabled
           type="button"
           phx-click="refresh_artists_discogs_data"
           data-confirm={