Change default item date to now if item date couldn't be parsed

lib/frenzy/item.ex

@@ -63,7 +63,7 @@ defmodule Frenzy.Item do
           __meta__: Ecto.Schema.Metadata.t(),
           id: integer() | nil,
           content: String.t(),
-          date: DateTime.t() | nil,
+          date: DateTime.t(),
           creator: String.t(),
           guid: String.t(),
           url: String.t(),

lib/frenzy/task/create_item.ex

@@ -20,7 +20,7 @@ defmodule Frenzy.Task.CreateItem do
       |> case do
         {:error, reason} ->
           Logger.debug("Couldn't convert date '#{entry.date}' to UTC: #{reason}")
-          nil
+          Timex.now() |> DateTime.truncate(:second)
 
         utc_date ->
           DateTime.truncate(utc_date, :second)