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#!/usr/bin/env ruby | |
# frozen_string_literal: true | |
# newsboat-yt-feed.rb | |
# Author: William Woodruff | |
# ------------------------ | |
# Adds a YouTube channel to newsboat. | |
# Works with both old (/user/) and new (/channel/)-style YouTube channels. | |
# ------------------------ | |
# This code is licensed by William Woodruff under the MIT License. | |
# http://opensource.org/licenses/MIT | |
require "uri" | |
DEPS = [ | |
"newsboat", | |
].freeze | |
NEWSBOARD_URL_FILES = [ | |
# is this is right precedence? | |
File.expand_path("~/.config/newsboat/urls"), | |
File.expand_path("~/.newsboat/urls"), | |
].freeze | |
YOUTUBE_FEED_URLS = { | |
chan: "https://www.youtube.com/feeds/videos.xml?channel_id=%<id>s", | |
user: "https://www.youtube.com/feeds/videos.xml?user=%<id>s", | |
}.freeze | |
def which?(cmd) | |
ENV["PATH"].split(File::PATH_SEPARATOR).any? do |path| | |
File.executable?(File.join(path, cmd)) | |
end | |
end | |
def add_feed!(feed_url) | |
url_file = NEWSBOARD_URL_FILES.find { |f| File.exist? f } | |
File.open(url_file, "a") { |io| io.puts "#{feed_url} \"YouTube\"" } | |
end | |
abort "Usage: #{$PROGRAM_NAME} <channel url>" if ARGV.empty? | |
DEPS.each { |d| abort "Fatal: Missing '#{d}'." unless which? d } | |
chan_url = URI(ARGV.shift) | |
if chan_url.host.nil? || /youtube/i !~ chan_url.host || chan_url.path.empty? | |
abort "Fatal: Not a valid channel URL." | |
end | |
type, id = chan_url.path.split("/")[1..2] | |
case type | |
when "channel" | |
feed_url = YOUTUBE_FEED_URLS[:chan] % { id: id } | |
when "user" | |
feed_url = YOUTUBE_FEED_URLS[:user] % { id: id } | |
else | |
abort "Fatal: Ambiguous channel URL (or not a channel URL)." | |
end | |
add_feed!(feed_url) | |
puts "Added #{feed_url} to newsboat." |