Handle toast messages from inside Release component

lib/music_library_web.ex

@@ -71,6 +71,7 @@ defmodule MusicLibraryWeb do
   def live_component do
     quote do
       use Phoenix.LiveComponent
+      import MusicLibraryWeb.Hooks.ShowToast, only: [put_toast!: 2]
 
       unquote(html_helpers())
     end

lib/music_library_web/components/release.ex

@@ -250,26 +250,25 @@ defmodule MusicLibraryWeb.Components.Release do
     case ScrobbleActivity.scrobble_release(release_with_tracks, finished_at: DateTime.utc_now()) do
       {:ok, _} ->
         send_update_after(socket.assigns.myself, %{already_scrobbled: false}, 3000)
+        put_toast!(:info, gettext("Release scrobbled successfully"))
 
-        {:noreply,
-         socket
-         |> assign(:already_scrobbled, true)
-         |> put_toast(:info, gettext("Release scrobbled successfully"))}
+        {:noreply, socket |> assign(:already_scrobbled, true)}
 
       {:error, reason} ->
         Logger.error("Error scrobbling release: #{inspect(reason)}")
 
-        {:noreply,
-         socket
-         |> put_toast(
-           :error,
-           gettext("Error scrobbling release") <> "," <> inspect(reason)
-         )}
+        put_toast!(
+          :error,
+          gettext("Error scrobbling release") <> "," <> inspect(reason)
+        )
+
+        {:noreply, socket}
     end
   end
 
   def handle_event("scrobble_release", _params, socket) do
-    {:noreply, socket |> put_toast(:error, gettext("Error scrobbling release"))}
+    put_toast!(:error, gettext("Error scrobbling release"))
+    {:noreply, socket}
   end
 
   def handle_event("scrobble_medium", %{"number" => number}, socket)
@@ -282,26 +281,25 @@ defmodule MusicLibraryWeb.Components.Release do
          ) do
       {:ok, _} ->
         send_update_after(socket.assigns.myself, %{already_scrobbled: false}, 3000)
+        put_toast!(:info, gettext("Disc scrobbled successfully"))
 
-        {:noreply,
-         socket
-         |> assign(:already_scrobbled, true)
-         |> put_toast(:info, gettext("Disc scrobbled successfully"))}
+        {:noreply, socket |> assign(:already_scrobbled, true)}
 
       {:error, reason} ->
         Logger.error("Error scrobbling medium: #{inspect(reason)}")
 
-        {:noreply,
-         socket
-         |> put_toast(
-           :error,
-           gettext("Error scrobbling disc") <> "," <> inspect(reason)
-         )}
+        put_toast!(
+          :error,
+          gettext("Error scrobbling disc") <> "," <> inspect(reason)
+        )
+
+        {:noreply, socket}
     end
   end
 
   def handle_event("scrobble_medium", _params, socket) do
-    {:noreply, socket |> put_toast(:error, gettext("Error scrobbling disc"))}
+    put_toast!(:error, gettext("Error scrobbling disc"))
+    {:noreply, socket}
   end
 
   def handle_event("toggle_track", %{"track-id" => track_id}, socket) do
@@ -344,7 +342,8 @@ defmodule MusicLibraryWeb.Components.Release do
     selected_track_ids = socket.assigns.selected_tracks
 
     if MapSet.size(selected_track_ids) == 0 do
-      {:noreply, socket |> put_toast(:error, gettext("No tracks selected"))}
+      put_toast!(:error, gettext("No tracks selected"))
+      {:noreply, socket}
     else
       case ScrobbleActivity.scrobble_tracks(
              selected_track_ids,
@@ -353,28 +352,29 @@ defmodule MusicLibraryWeb.Components.Release do
            ) do
         {:ok, _} ->
           send_update_after(socket.assigns.myself, %{already_scrobbled: false}, 3000)
+          put_toast!(:info, gettext("Selected tracks scrobbled successfully"))
 
           {:noreply,
            socket
            |> assign(:already_scrobbled, true)
-           |> assign(:selected_tracks, MapSet.new())
-           |> put_toast(:info, gettext("Selected tracks scrobbled successfully"))}
+           |> assign(:selected_tracks, MapSet.new())}
 
         {:error, reason} ->
           Logger.error("Error scrobbling tracks: #{inspect(reason)}")
 
-          {:noreply,
-           socket
-           |> put_toast(
-             :error,
-             gettext("Error scrobbling selected tracks") <> "," <> inspect(reason)
-           )}
+          put_toast!(
+            :error,
+            gettext("Error scrobbling selected tracks") <> "," <> inspect(reason)
+          )
+
+          {:noreply, socket}
       end
     end
   end
 
   def handle_event("scrobble_selected_tracks", _params, socket) do
-    {:noreply, socket |> put_toast(:error, gettext("Error scrobbling selected tracks"))}
+    put_toast!(:error, gettext("Error scrobbling selected tracks"))
+    {:noreply, socket}
   end
 
   defp medium_selected?(medium, selected_tracks) do

lib/music_library_web/hooks/show_toast.ex

@@ -0,0 +1,18 @@
+defmodule MusicLibraryWeb.Hooks.ShowToast do
+  import Phoenix.LiveView
+  import LiveToast, only: [put_toast: 3]
+
+  def put_toast!(type, message) do
+    send(self(), {:put_toast, type, message})
+  end
+
+  def on_mount(_name, _params, _session, socket) do
+    {:cont, attach_hook(socket, :put_toast, :handle_info, &maybe_put_toast/2)}
+  end
+
+  defp maybe_put_toast({:put_toast, type, message}, socket) do
+    {:halt, put_toast(socket, type, message)}
+  end
+
+  defp maybe_put_toast(_, socket), do: {:cont, socket}
+end

lib/music_library_web/router.ex

@@ -39,7 +39,11 @@ defmodule MusicLibraryWeb.Router do
       get "/assets/:transform_payload", AssetController, :show
 
       live_session :default,
-        on_mount: [MusicLibraryWeb.Hooks.StaticAssets, MusicLibraryWeb.Hooks.GetTimezone] do
+        on_mount: [
+          MusicLibraryWeb.Hooks.StaticAssets,
+          MusicLibraryWeb.Hooks.GetTimezone,
+          MusicLibraryWeb.Hooks.ShowToast
+        ] do
         live "/", StatsLive.Index, :index
 
         live "/collection", CollectionLive.Index, :index