[Enhancement] Start tracking a media item's duration (#146)

* Added duration field, started importing it during indexing and download

* Added duration to RSS feed

lib/pinchflat/media/media_item.ex

@@ -22,6 +22,7 @@ defmodule Pinchflat.Media.MediaItem do
     :source_id,
     :short_form_content,
     :upload_date,
+    :duration_seconds,
     # these fields are captured only on download
     :media_downloaded_at,
     :media_filepath,
@@ -57,6 +58,7 @@ defmodule Pinchflat.Media.MediaItem do
     field :short_form_content, :boolean, default: false
     field :media_downloaded_at, :utc_datetime
     field :upload_date, :date
+    field :duration_seconds, :integer
 
     field :media_filepath, :string
     field :media_size_bytes, :integer

lib/pinchflat/metadata/metadata_parser.ex

@@ -30,7 +30,8 @@ defmodule Pinchflat.Metadata.MetadataParser do
       original_url: metadata["original_url"],
       description: metadata["description"],
       media_filepath: metadata["filepath"],
-      livestream: metadata["was_live"]
+      livestream: metadata["was_live"],
+      duration_seconds: metadata["duration"] && round(metadata["duration"])
     }
   end
 

lib/pinchflat/podcasts/rss_feed_builder.ex

@@ -80,6 +80,7 @@ defmodule Pinchflat.Podcasts.RssFeedBuilder do
       <link>#{media_item.original_url}</link>
       <description>#{safe(media_item.description)}</description>
       <pubDate>#{generate_upload_date(media_item)}</pubDate>
+      <itunes:duration>#{media_item.duration_seconds}</itunes:duration>
       <enclosure
         url="#{media_stream_path(url_base, media_item)}"
         length="#{media_item.media_size_bytes}"

lib/pinchflat/yt_dlp/media.ex

@@ -10,7 +10,8 @@ defmodule Pinchflat.YtDlp.Media do
     :original_url,
     :livestream,
     :short_form_content,
-    :upload_date
+    :upload_date,
+    :duration_seconds
   ]
 
   defstruct [
@@ -20,7 +21,8 @@ defmodule Pinchflat.YtDlp.Media do
     :original_url,
     :livestream,
     :short_form_content,
-    :upload_date
+    :upload_date,
+    :duration_seconds
   ]
 
   alias __MODULE__
@@ -86,6 +88,7 @@ defmodule Pinchflat.YtDlp.Media do
       description: response["description"],
       original_url: response["webpage_url"],
       livestream: response["was_live"],
+      duration_seconds: response["duration"] && round(response["duration"]),
       short_form_content: response["webpage_url"] && short_form_content?(response),
       upload_date: response["upload_date"] && MetadataFileHelpers.parse_upload_date(response["upload_date"])
     }