Add LiveStash to backfill page, recover limit on reconnect

lib/microwaveprop_web/live/backfill_live.ex

@@ -1,6 +1,7 @@
 defmodule MicrowavepropWeb.BackfillLive do
   @moduledoc false
   use MicrowavepropWeb, :live_view
+  use LiveStash
 
   import Ecto.Query
 
@@ -20,16 +21,22 @@ defmodule MicrowavepropWeb.BackfillLive do
     unprocessed = count_unprocessed()
     total_contacts = Repo.aggregate(from(c in Contact, where: not is_nil(c.pos1)), :count)
 
-    {:ok,
-     assign(socket,
-       page_title: "Backfill",
-       limit: 500,
-       stats: stats,
-       unprocessed: unprocessed,
-       total_contacts: total_contacts,
-       last_enqueued: nil,
-       enqueuing: false
-     )}
+    case LiveStash.recover_state(socket) do
+      {:recovered, socket} ->
+        {:ok, assign(socket, stats: stats, unprocessed: unprocessed, total_contacts: total_contacts)}
+
+      _ ->
+        {:ok,
+         assign(socket,
+           page_title: "Backfill",
+           limit: 500,
+           stats: stats,
+           unprocessed: unprocessed,
+           total_contacts: total_contacts,
+           last_enqueued: nil,
+           enqueuing: false
+         )}
+    end
   end
 
   @impl true
@@ -44,7 +51,7 @@ defmodule MicrowavepropWeb.BackfillLive do
       send(pid, {:enqueued, count})
     end)
 
-    {:noreply, assign(socket, enqueuing: true)}
+    {:noreply, socket |> assign(enqueuing: true, limit: limit) |> LiveStash.stash_assigns([:limit])}
   end
 
   @impl true