add used filtering to ammo type show page

lib/cannery_web/live/ammo_type_live/show.ex

@@ -9,22 +9,12 @@ defmodule CanneryWeb.AmmoTypeLive.Show do
   alias CanneryWeb.Endpoint
 
   @impl true
-  def mount(_params, _session, socket), do: {:ok, socket}
+  def mount(_params, _session, socket), do: {:ok, socket |> assign(show_used: false)}
 
   @impl true
   def handle_params(%{"id" => id}, _params, %{assigns: %{current_user: current_user}} = socket) do
     ammo_type = Ammo.get_ammo_type!(id, current_user)
-
-    socket =
-      socket
-      |> assign(
-        page_title: page_title(socket.assigns.live_action),
-        ammo_type: ammo_type,
-        ammo_groups: ammo_type |> Ammo.list_ammo_groups_for_type(current_user),
-        avg_cost_per_round: ammo_type |> Ammo.get_average_cost_for_ammo_type!(current_user)
-      )
-
-    {:noreply, socket}
+    {:noreply, socket |> display_ammo_type(ammo_type)}
   end
 
   @impl true
@@ -41,6 +31,34 @@ defmodule CanneryWeb.AmmoTypeLive.Show do
     {:noreply, socket |> put_flash(:info, prompt) |> push_redirect(to: redirect_to)}
   end
 
+  @impl true
+  def handle_event("toggle_show_used", _, %{assigns: %{show_used: show_used}} = socket) do
+    {:noreply, socket |> assign(:show_used, !show_used) |> display_ammo_type()}
+  end
+
+  defp display_ammo_type(
+         %{
+           assigns: %{
+             live_action: live_action,
+             current_user: current_user,
+             show_used: show_used
+           }
+         } = socket,
+         ammo_type
+       ) do
+    socket
+    |> assign(
+      page_title: page_title(live_action),
+      ammo_type: ammo_type,
+      ammo_groups: ammo_type |> Ammo.list_ammo_groups_for_type(current_user, show_used),
+      avg_cost_per_round: ammo_type |> Ammo.get_average_cost_for_ammo_type!(current_user)
+    )
+  end
+
+  defp display_ammo_type(%{assigns: %{ammo_type: ammo_type}} = socket) do
+    socket |> display_ammo_type(ammo_type)
+  end
+
   defp page_title(:show), do: gettext("Show Ammo type")
   defp page_title(:edit), do: gettext("Edit Ammo type")
 end

lib/cannery_web/live/ammo_type_live/show.html.heex

@@ -113,6 +113,14 @@
 
   <hr class="hr" />
 
+  <div class="flex flex-col justify-center items-center">
+    <.toggle_button action="toggle_show_used" value={@show_used}>
+      <span class="title text-lg text-primary-600">
+        <%= gettext("Show used") %>
+      </span>
+    </.toggle_button>
+  </div>
+
   <div>
     <%= if @ammo_groups |> Enum.empty?() do %>
       <h2 class="mx-8 my-4 title text-lg text-primary-600">