Rakefile

require 'erb'

desc "build static files"
task :build do |t|
  system "bundle exec jekyll build"
end

desc "push site content to the production environment"
task :push => [:build] do |t|
  system "rsync -avz --delete _site/ USER@REMOTE:/var/www/rebuild.fm/htdocs/"
end

task :maint do |t|
  system "rsync -avz --delete _scripts/ USER@REMOTE:/var/www/rebuild.fm/scripts/"
end

desc "run web server"
task :server do
  system "bundle exec jekyll server -w"
end

desc "create new markdown off of the template and open it"
task :new do
  date = (Time.now + 24 * 60 * 60).strftime('%Y-%m-%d')
  @episode = next_episode
  md = "_posts/#{date}-#{@episode}.md"

  content = ERB.new(File.read('_posts/_new_episode.erb')).result
  File.open(md, 'w') {|f| f.write(content) }

  system "open", md
end

desc "encode AIFF files to MP3 using LAME Encoder"
task :encode do
  ep = ENV['EP'] or raise 'EP is required'
  source = "#{ENV['HOME']}/Music/GarageBand/Podcast ep#{ep}.output.aif"
  output = "./_media/podcast-ep#{ep}.mp3"

  File.exists?(source) or raise "source file #{source} does not exist"
  if File.exists?(output)
    print "#{output} already exists. Hit RET to proceed: "
    STDIN.gets
  end

  system "lame",
    "--tt", "Podcast ep#{ep}",
    "--ta", "Tatsuhiko Miyagawa",
    "--tl", "Rebuild",
    "--ty", Time.now.year.to_s,
    "--ti", "./images/icon1400.jpg",
    "-q", "2",
    "-b", "64", "-m", "m",
    source, output
end

desc "upload mp3 files to the cache server"
task :upload do
  system "rsync -avz --progress _media/ USER@REMOTE:/var/www/cache.rebuild.fm/htdocs/"
end

def next_episode
  Dir.glob('_posts/*.md').map {|f| /-(\d+).md/.match(f)[1].to_i }.max + 1
end

desc "ping updates to FeedPress"
task :ping do |t|
  require 'xmlrpc/client'
  server = XMLRPC::Client.new("feedpress.it", "/ping", 80)
  begin
    result = server.call("weblogUpdates.ping", "Rebuild", "http://rebuild.fm/")
    p result
  rescue Exception => e
    p e
  end
end