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module Jekyll
class MediaPermalinkGenerator < Generator
safe true
MEDIA_EXTENSION = {
'podcasts' => 'ogg',
'screencasts' => 'webm'
}
def generate(site)
site.collections.each do |name, collection|
if ['podcasts', 'screencasts'].include? name then
collection.docs.each do |document|
date = document.data['date'].strftime('%Y-%m-%d')
slug = document.data['slug']
extension = MEDIA_EXTENSION[name]
file = "#{date}-#{slug}.#{extension}"
media = "resources/#{name}/#{file}"
torrent = "#{media}.torrent"
media_link = document.url.gsub(/html$/, extension)
torrent_link = "#{media_link}.torrent"
media_page = GeneratedSymlinkResourcePage.new(site, site.source, '', media_link)
torrent_page = GeneratedSymlinkResourcePage.new(site, site.source, '', torrent_link)
media_page.data['source'] = media
media_page.data['slug'] = slug
media_page.data['extension'] = extension
torrent_page.data['source'] = torrent
torrent_page.data['slug'] = slug
torrent_page.data['extension'] = "#{extension}.torrent"
site.pages << media_page
site.pages << torrent_page
end
end
end
end
end
class GeneratedSymlinkResourcePage < Jekyll::Page
def read_yaml(*)
@data ||= {
"generated" => true
}
end
def write(dest)
source = @data['source']
slug = @data['slug']
extension = @data['extension']
path = destination(dest)
path_dirname = File.dirname(path)
FileUtils.mkdir_p(path_dirname)
stdout = `ln -fs ../../../../#{source} #{path_dirname}/#{slug}.#{extension}`
unless $?.success? then
raise "Error when running 'ln' command: #{$?}"
end
unless stdout == '' then
raise "Unexpected output of 'ln': #{stdout}"
end
end
end
end
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