feat: display due date better

lib/putzplan_web/live/task_live/index.ex

@@ -20,7 +20,7 @@ defmodule PutzplanWeb.TaskLive.Index do
     >
       <:col :let={{_id, task}} label="Description">{task.description}</:col>
 
-      <:col :let={{_id, task}} label="Due">{task.due}</:col>
+      <:col :let={{_id, task}} label="Due">{format_date(task.due)}</:col>
 
       <:action :let={{_id, task}}>
         <div class="sr-only">
@@ -115,4 +115,37 @@ defmodule PutzplanWeb.TaskLive.Index do
 
     {:noreply, stream_insert(socket, :tasks, Ash.get!(Putzplan.Tasks.Task, id, load: [:due]))}
   end
+
+  defp format_date(date) do
+    string =
+      case Date.diff(date, Date.utc_today()) do
+        0 ->
+          "today"
+
+        1 ->
+          "tomorrow"
+
+        days when days > 0 and days < 7 ->
+          "next " <> get_weekday(Date.day_of_week(date))
+
+        _ ->
+          Date.to_string(date)
+      end
+
+    String.capitalize(string)
+  end
+
+  defp get_weekday(index) do
+    days = %{
+      1 => "monday",
+      2 => "tuesday",
+      3 => "wednesday",
+      4 => "thursday",
+      5 => "friday",
+      6 => "saturday",
+      7 => "sunday"
+    }
+
+    Map.get(days, index)
+  end
 end