Update the Author Index page to use the search.

lib/decentralised_book_index_web/live/author_live/index.ex

@@ -1,18 +1,21 @@
 defmodule DecentralisedBookIndexWeb.AuthorLive.Index do
   use DecentralisedBookIndexWeb, :live_view
 
+  alias DecentralisedBookIndex.Metadata
+
   @impl true
   def render(assigns) do
     ~H"""
-    <.header>
+    <.header class="pb-2">
       Listing Authors
-      <:actions>
-        <.link patch={~p"/authors/new"}>
-          <.button>New Author</.button>
-        </.link>
-      </:actions>
     </.header>
 
+    <.author_search
+      search_query={@search_query}
+      select_options={@select_options}
+      selected_option={@sort_by}
+    />
+
     <.table
       id="authors"
       rows={@streams.authors}
@@ -76,7 +79,26 @@ defmodule DecentralisedBookIndexWeb.AuthorLive.Index do
 
   @impl true
   def handle_params(params, _url, socket) do
-    {:noreply, apply_action(socket, socket.assigns.live_action, params)}
+    search_query = Map.get(params, "query", "")
+    sort_by = Map.get(params, "sort_by", "name") |> validate_sort_by()
+    page_params = AshPhoenix.LiveView.page_from_params(params, 10)
+
+    page = Metadata.search_author!(
+      search_query,
+      page: page_params,
+    )
+
+    socket =
+      socket
+      |> assign(:sort_by, sort_by)
+      |> assign(:search_query, search_query)
+      |> assign(:select_options, sort_options())
+      |> assign(:page_params, page_params)
+      |> assign(:page, page)
+      |> assign(:params, params)
+      |> apply_action(socket.assigns.live_action, params)
+
+    {:noreply, socket}
   end
 
   defp apply_action(socket, :edit, %{"id" => id}) do
@@ -114,4 +136,31 @@ defmodule DecentralisedBookIndexWeb.AuthorLive.Index do
 
     {:noreply, stream_delete(socket, :authors, author)}
   end
+
+  defp sort_options do
+    [
+      {"Sort by name", "name"},
+      {"Sort by recently updated", "-updated_at"},
+      {"Sort by recently added", "-inserted_at"},
+    ]
+  end
+
+  def validate_sort_by(key) do
+    valid_keys = Enum.map(sort_options(), &elem(&1, 1))
+
+    if key in valid_keys do
+      key
+    else
+      List.first(valid_keys)
+    end
+  end
+
+  @impl true
+  def handle_event("change-sort", %{"sort_by" => sort_by}, socket) do
+    params =
+      socket.assigns.params
+      |> Map.put("sort_by", sort_by)
+
+    {:noreply, push_patch(socket, to: ~p"/authors?#{params}")}
+  end
 end