[Housekeeping] Store the upload event as a datetime rather than a date (#269)

* [WIP] renamed and migrated upload_date column

* Refactored yt-dlp media module

* Refactored parse_upload_date

* Refactored media item upload_date_index

* Got media tests running

* Refactored media item table live

* Cleaned up the stragglers

* Fixed old oversight re: original_url

priv/repo/migrations/20240528180212_rename_upload_date_to_uploaded_at.exs

@@ -0,0 +1,21 @@
+defmodule Pinchflat.Repo.Migrations.RenameUploadDateToUploadedAt do
+  use Ecto.Migration
+
+  def up do
+    rename table(:media_items), :upload_date, to: :uploaded_at
+
+    execute """
+      UPDATE media_items
+      SET uploaded_at = uploaded_at || 'T00:00:00'
+    """
+  end
+
+  def down do
+    rename table(:media_items), :uploaded_at, to: :upload_date
+
+    execute """
+      UPDATE media_items
+      SET upload_date = DATE(upload_date)
+    """
+  end
+end