Kieran
25eb772896
* Added nfo builder for 'episodes' * Added NFO download fields; hooked up NFO generation to downloading pipeline * Added NFO option to media profile
69 lines
2.4 KiB
Elixir
69 lines
2.4 KiB
Elixir
defmodule Pinchflat.Downloading.MediaDownloader do
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@moduledoc """
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This is the integration layer for actually downloading media.
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It takes into account the media profile's settings in order
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to download the media with the desired options.
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"""
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alias Pinchflat.Repo
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alias Pinchflat.Media
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alias Pinchflat.Media.MediaItem
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alias Pinchflat.Metadata.NfoBuilder
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alias Pinchflat.Metadata.MetadataParser
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alias Pinchflat.Metadata.MetadataFileHelpers
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alias Pinchflat.Downloading.DownloadOptionBuilder
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alias Pinchflat.YtDlp.Media, as: YtDlpMedia
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@doc """
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Downloads media for a media item, updating the media item based on the metadata
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returned by yt-dlp. Also saves the entire metadata response to the associated
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media_metadata record.
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NOTE: related methods (like the download worker) won't download if the media item's source
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is set to not download media. However, I'm not enforcing that here since I need this for testing.
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This may change in the future but I'm not stressed.
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Returns {:ok, %MediaItem{}} | {:error, any, ...any}
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"""
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def download_for_media_item(%MediaItem{} = media_item) do
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item_with_preloads = Repo.preload(media_item, [:metadata, source: :media_profile])
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case download_with_options(media_item.original_url, item_with_preloads) do
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{:ok, parsed_json} ->
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parsed_attrs =
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parsed_json
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|> MetadataParser.parse_for_media_item()
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|> Map.merge(%{
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media_downloaded_at: DateTime.utc_now(),
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nfo_filepath: determine_nfo_filepath(item_with_preloads, parsed_json),
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metadata: %{
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metadata_filepath: MetadataFileHelpers.compress_and_store_metadata_for(media_item, parsed_json),
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thumbnail_filepath: MetadataFileHelpers.download_and_store_thumbnail_for(media_item, parsed_json)
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}
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})
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# Don't forgor to use preloaded associations or updates to
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# associations won't work!
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Media.update_media_item(item_with_preloads, parsed_attrs)
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err ->
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err
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end
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end
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defp determine_nfo_filepath(media_item, parsed_json) do
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if media_item.source.media_profile.download_nfo do
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NfoBuilder.build_and_store_for_media_item(parsed_json)
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else
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nil
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end
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end
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defp download_with_options(url, item_with_preloads) do
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{:ok, options} = DownloadOptionBuilder.build(item_with_preloads)
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YtDlpMedia.download(url, options)
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end
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end
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