0f3329e97d
* Add media profile presets (#85) * Added presets for output templates * Added presets for the entire media profile form * Append `-thumb` to thumbnails when downloading (#87) * Appended -thumb to thumbnails when downloading * Added code to compensate for yt-dlp bug * Squash all the commits from the other branch bc I broke things (#88)
48 lines
1.9 KiB
Elixir
48 lines
1.9 KiB
Elixir
defmodule Pinchflat.Downloading.OutputPathBuilder do
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@moduledoc """
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Builds yt-dlp-friendly output paths for downloaded media
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"""
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alias Pinchflat.Downloading.OutputPath.Parser, as: TemplateParser
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@doc """
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Builds the actual final filepath from a given template. Optionally, you can pass in
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a map of additional options to be used in the template.
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Translates liquid-style templates into yt-dlp-style templates,
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leaving yt-dlp syntax intact.
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"""
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def build(template_string, additional_template_options \\ %{}) do
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combined_options = Map.merge(custom_yt_dlp_option_map(), additional_template_options)
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TemplateParser.parse(template_string, combined_options, &identifier_fn/2)
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end
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# The `nil` case simply wraps the identifier in yt-dlp-style syntax. This assumes that
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# the identifier is a valid yt-dlp option. The upside is that this gives the user
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# access to ALL single-word yt-dlp options in the (imo) more friendly/forgiving liquid-style syntax.
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#
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# For all "custom" variables, we use the `Map.get/3` function to look up the value in the provided.
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# See `custom_yt_dlp_option_map` for a list of those.
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defp identifier_fn(identifier, variables) do
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case Map.get(variables, identifier) do
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nil -> "%(#{identifier})S"
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value -> value
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end
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end
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# This isn't the only source for custom options, since they can be passed in my the caller.
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# `download_option_builder` is the most likely place for other custom options to be added,
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# but if in doubt just search the codebase for `OutputPathBuilder.build`.
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defp custom_yt_dlp_option_map do
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%{
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# Individual parts of the upload date
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"upload_year" => "%(upload_date>%Y)S",
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"upload_month" => "%(upload_date>%m)S",
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"upload_day" => "%(upload_date>%d)S",
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"upload_yyyy_mm_dd" => "%(upload_date>%Y-%m-%d)S",
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"season_from_date" => "%(upload_date>%Y)S",
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"season_episode_from_date" => "s%(upload_date>%Y)Se%(upload_date>%m%d)S"
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}
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end
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end
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