56 lines
1.7 KiB
Elixir
56 lines
1.7 KiB
Elixir
defmodule Pinchflat.MediaClient.Backends.YtDlp.VideoCollection do
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@moduledoc """
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Contains utilities for working with collections of
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videos (aka: a source [ie: channels, playlists]).
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"""
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@doc """
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Returns a list of strings representing the video ids in the collection.
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Returns {:ok, [binary()]} | {:error, any, ...}.
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"""
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def get_video_ids(url, command_opts \\ []) do
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runner = Application.get_env(:pinchflat, :yt_dlp_runner)
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opts = command_opts ++ [:simulate, :skip_download]
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case runner.run(url, opts, "%(id)s") do
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{:ok, output} -> {:ok, String.split(output, "\n", trim: true)}
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res -> res
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end
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end
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@doc """
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Gets a source's ID and name from its URL.
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yt-dlp does not _really_ have source-specific functions, so
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instead we're fetching just the first video (using playlist_end: 1)
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and parsing the source ID and name from _its_ metadata
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Returns {:ok, map()} | {:error, any, ...}.
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"""
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def get_source_details(source_url) do
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opts = [:simulate, :skip_download, playlist_end: 1]
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output_template = "%(.{channel,channel_id,playlist_id,playlist_title})j"
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with {:ok, output} <- backend_runner().run(source_url, opts, output_template),
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{:ok, parsed_json} <- Phoenix.json_library().decode(output) do
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{:ok, format_source_details(parsed_json)}
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else
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err -> err
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end
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end
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# TODO: test
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defp format_source_details(response) do
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%{
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channel_id: response["channel_id"],
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channel_name: response["channel"],
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playlist_id: response["playlist_id"],
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playlist_name: response["playlist_title"]
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}
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end
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defp backend_runner do
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Application.get_env(:pinchflat, :yt_dlp_runner)
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end
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end
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