[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

lib/pinchflat/podcasts/podcast_helpers.ex

@@ -28,7 +28,7 @@ defmodule Pinchflat.Podcasts.PodcastHelpers do
 
     MediaQuery.new()
     |> where(^dynamic(^MediaQuery.for_source(source) and ^MediaQuery.downloaded()))
-    |> order_by(desc: :upload_date)
+    |> order_by(desc: :uploaded_at)
     |> Repo.maybe_limit(limit)
     |> Repo.all()
     |> Enum.filter(fn media_item -> File.exists?(media_item.media_filepath) end)

lib/pinchflat/podcasts/rss_feed_builder.ex

@@ -7,7 +7,6 @@ defmodule Pinchflat.Podcasts.RssFeedBuilder do
 
   import Pinchflat.Utils.XmlUtils, only: [safe: 1]
 
-  alias Pinchflat.Utils.DatetimeUtils
   alias Pinchflat.Podcasts.PodcastHelpers
   alias PinchflatWeb.Router.Helpers, as: Routes
 
@@ -83,7 +82,7 @@ defmodule Pinchflat.Podcasts.RssFeedBuilder do
       <title>#{safe(media_item.title)}</title>
       <link>#{safe(media_item.original_url)}</link>
       <description>#{safe(media_item.description)}</description>
-      <pubDate>#{generate_upload_date(media_item)}</pubDate>
+      <pubDate>#{Calendar.strftime(media_item.uploaded_at, @datetime_format)}</pubDate>
       <itunes:duration>#{media_item.duration_seconds}</itunes:duration>
       <enclosure
         url="#{media_stream_path(url_base, media_item)}"
@@ -133,12 +132,6 @@ defmodule Pinchflat.Podcasts.RssFeedBuilder do
     end
   end
 
-  defp generate_upload_date(media_item) do
-    media_item.upload_date
-    |> DatetimeUtils.date_to_datetime()
-    |> Calendar.strftime(@datetime_format)
-  end
-
   defp podcast_route(action, params) do
     Routes.podcast_path(PinchflatWeb.Endpoint, action, params)
   end