Add users

lib/nulla_web/controllers/user_html.ex

@@ -1,10 +1,41 @@
 defmodule NullaWeb.UserHTML do
-  @moduledoc """
-  This module contains pages rendered by UserController.
-
-  See the `user_html` directory for all templates available.
-  """
   use NullaWeb, :html
 
   embed_templates "user_html/*"
+
+  @doc """
+  Renders a user form.
+  """
+  attr :changeset, Ecto.Changeset, required: true
+  attr :action, :string, required: true
+
+  def user_form(assigns)
+
+  def format_birthdate(date) do
+    formatted = Date.to_string(date) |> String.replace("-", "/")
+    age = Timex.diff(Timex.today(), date, :years)
+    "#{formatted} (#{age} years old)"
+  end
+
+  def format_registration_date(date) do
+    now = Timex.now()
+    formatted = Date.to_string(date) |> String.replace("-", "/")
+
+    diff = Timex.diff(now, date, :days)
+
+    relative =
+      cond do
+        diff == 0 -> "today"
+        diff == 1 -> "1 day ago"
+        diff < 30 -> "#{diff} days ago"
+        diff < 365 ->
+          months = Timex.diff(now, date, :months)
+          if months == 1, do: "1 month ago", else: "#{months} months ago"
+        true ->
+          years = Timex.diff(now, date, :years)
+          if years == 1, do: "1 year ago", else: "#{years} years ago"
+      end
+
+    "#{formatted} (#{relative})"
+  end
 end