add created date to ammo groups

lib/cannery_web/components/ammo_group_card.ex

@@ -37,6 +37,11 @@ defmodule CanneryWeb.Components.AmmoGroupCard do
           </span>
         <% end %>
 
+        <span class="rounded-lg title text-lg">
+          <%= gettext("Added on:") %>
+          <%= @ammo_group.inserted_at |> display_datetime() %>
+        </span>
+
         <%= if @ammo_group.price_paid do %>
           <span class="rounded-lg title text-lg">
             <%= gettext("Price paid:") %>

lib/cannery_web/live/ammo_group_live/index.ex

@@ -83,6 +83,7 @@ defmodule CanneryWeb.AmmoGroupLive.Index do
       %{label: gettext("% left"), key: "remaining"},
       %{label: gettext("Range"), key: "range"},
       %{label: gettext("Container"), key: "container"},
+      %{label: gettext("Added on"), key: "added_on"},
       %{label: nil, key: "actions", sortable: false}
     ]
 
@@ -116,6 +117,15 @@ defmodule CanneryWeb.AmmoGroupLive.Index do
   defp get_value_for_key("price_paid", %{price_paid: price_paid}),
     do: gettext("$%{amount}", amount: price_paid |> :erlang.float_to_binary(decimals: 2))
 
+  defp get_value_for_key("added_on", %{inserted_at: inserted_at}) do
+    assigns = %{inserted_at: inserted_at}
+
+    {inserted_at,
+     ~H"""
+     <%= @inserted_at |> display_datetime() %>
+     """}
+  end
+
   defp get_value_for_key("range", %{staged: staged} = ammo_group) do
     assigns = %{ammo_group: ammo_group}
 

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

@@ -26,6 +26,11 @@
       </span>
     <% end %>
 
+    <span class="rounded-lg title text-lg">
+      <%= gettext("Added on:") %>
+      <%= @ammo_group.inserted_at |> display_datetime() %>
+    </span>
+
     <%= if @ammo_group.price_paid do %>
       <span class="rounded-lg title text-lg">
         <%= gettext("Original cost:") %>