Class: PoddbClient

Inherits:
Object
  • Object
show all
Includes:
Downloading
Defined in:
lib/poddb_client.rb,
lib/poddb_client/version.rb,
lib/poddb_client/downloading.rb

Defined Under Namespace

Modules: Downloading

Constant Summary collapse

SERVER = 
"http://96.126.108.206"
PODDB_DIR = 
"%s/.poddb" % ENV['HOME']
CACHE_DIR = 
"%s/.poddb/cache" % ENV['HOME']
VIMSCRIPT = 
File.join(File.expand_path(File.dirname(__FILE__)), 'interactive.vim')
ITEM_LIST_OUTFILE = 
"#{CACHE_DIR}/main.itemlist"
PODCAST_LIST_OUTFILE = 
"#{CACHE_DIR}/main.podcastlist"
FAVORITE_PODCASTS_FILE = 
"#{PODDB_DIR}/favorites"
DOWNLOAD_AND_PLAY_FILE = 
"#{CACHE_DIR}/download_and_play"
VERSION = 
'0.2.8'

Constants included from Downloading

Downloading::MEDIA_PLAYER

Instance Method Summary collapse

Methods included from Downloading

#download, #download_and_play, #download_and_play?, #download_marked_items, #titleize

Constructor Details

#initialize(args) ⇒ PoddbClient

Returns a new instance of PoddbClient.



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# File 'lib/poddb_client.rb', line 30

def initialize(args)
  @args = args
  @options = {}
  @params = ["v=#{PoddbClient::VERSION}" ]
  @outfile = ITEM_LIST_OUTFILE # changed only for podcast list
  @version = PoddbClient::VERSION
  @query = []
  parse_options
end

Instance Method Details

#add_podcast ⇒ Object 



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# File 'lib/poddb_client.rb', line 121

def add_podcast
  puts "Adding podcast with url: #{@add_podcast}"
  res = Net::HTTP.post_form(URI.parse("#{SERVER}/podcasts"), 'url' => @add_podcast).body
  if res =~ /^Error/
    puts res
  else
    podcast_id, title = res.split(/\s+/, 2)
    add_to_favorite_podcasts(podcast_id, title)
  end
end

#cleanup ⇒ Object 



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# File 'lib/poddb_client.rb', line 181

def cleanup
  `rm -rf #{CACHE_DIR}/*`
end

#curl(path) ⇒ Object 



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# File 'lib/poddb_client.rb', line 186

def curl(path)
  @output = `curl -s '#{SERVER}/#{path}'`
  @output = @output.force_encoding("UTF-8")
  @output = @output.encode("UTF-8", undef: :replace, invalid: :replace)
end

#interactive ⇒ Object 



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# File 'lib/poddb_client.rb', line 132

def interactive
  if !STDOUT.tty?
    puts @output
    exit
  end
  if @output =~ /^No matches/i || @output =~ /^Error/
    puts @output
    exit
  end
  File.open(@outfile, 'w') {|f| f.puts @output }
  cmd = "export PODDB_SERVER=#{SERVER} && vim -S #{VIMSCRIPT} #{@outfile} "
  system(cmd)
  if download_and_play?
    download_and_play
  else
    download_marked_items
  end
  cleanup
end

#items_from_favorites ⇒ Object 



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# File 'lib/poddb_client.rb', line 171

def items_from_favorites
  @output = curl "/items?podcast_ids=#{favorite_podcast_ids.join(',')}&#@params"
  mark_already_downloaded
end

#list_podcasts ⇒ Object 



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# File 'lib/poddb_client.rb', line 152

def list_podcasts
  @outfile = PODCAST_LIST_OUTFILE
  @output = if @list_podcasts
              curl "/podcasts?#@params"
            elsif @list_favorite_podcasts 
              curl "/podcasts?podcast_ids=#{favorite_podcast_ids.join(',')}"
            end
  if File.size?(FAVORITE_PODCASTS_FILE)
    @output = @output.split("\n").map {|line|
      # podcast_ids here are strings
      if (podcast_id = line[/\d+$/,0]) && favorite_podcast_ids.detect{|i| i.to_s == podcast_id}
        line.sub(/^ /, "@")
      else
        line
      end
    }.join("\n")
  end
end

#parse_options ⇒ Object 



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# File 'lib/poddb_client.rb', line 40

def parse_options
  OptionParser.new do |opts|
    opts.banner = "Usage: poddb [options] [query]"
    opts.separator ""
    opts.on("-f", "--from-favorites", "Show all recent items from favorite podcasts") do
      if ! File.size?(FAVORITE_PODCASTS_FILE)
        puts "No podcasts found in #{FAVORITE_PODCASTS_FILE}"
        exit
      end
      @items_from_favorites = true
    end
    opts.on("-a", "--add PODCAST_URL", "Add podcast with PODCAST_URL to the poddb database") do |podcast_url|
      @add_podcast = podcast_url
    end
    opts.on("-l", "--list [QUERY]", "List all podcasts in the poddb database", "(If QUERY is supplied, will return matching podcasts)") do |query|
      @list_podcasts = true
      if query
        @query << query
      end
    end
    opts.on("-F", "--favorite-podcasts", "Show favorite podcasts") do
      if ! File.size?(FAVORITE_PODCASTS_FILE)
        puts "No podcasts found in #{FAVORITE_PODCASTS_FILE}"
        exit
      end
      @list_favorite_podcasts = true
    end
    opts.on("-o", "--order ORDER", "Sort results by ORDER", "The only option right now is 'popular'. Default order is pubdate.") do |order|
      @params << "o=#{order}"
    end
    opts.on("-d", "--days DAYS", "Limit results to items published since DAYS days ago") do |days|
      @params << "d=#{days}"
    end
    opts.on("-t", "--type MEDIA_TYPE", "Return items of MEDIA_TYPE only (audio,video)") do |media_type|
      @params << "t=#{media_type}"
    end
    opts.on("--download-and-play ITEM_ID", "Download item and play with PODDB_MEDIA_PLAYER") do |item_id|
      puts "Download and play #{item_id}"
    end
    opts.on("--readme", "Show README") do
      readme_file = File.expand_path("../../README.markdown", __FILE__)
      system("less #{readme_file}")
      exit
    end
    opts.on_tail("-h", "--help", "Show this message") do
      puts opts
      puts 
      puts "For more detailed help, type `poddb --readme` or visit http://danielchoi.com/software/poddb_client.html"
      puts "Copyright 2011 Daniel Choi <[email protected]> MIT License"

      exit
    end
    opts.on_tail("-v", "--version", "Show version number") do
      puts "poddb #{VERSION}"
      exit
    end
  end.parse!(@args)
  @query = @query.concat @args
  q = CGI::escape(@query.join(' ').strip)
  if q != '' 
    @params << "q=#{q}"
  end
  @params = @params.empty? ? '' : @params.join('&')
end

#run ⇒ Object 



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# File 'lib/poddb_client.rb', line 105

def run
  cleanup
  if @add_podcast
    add_podcast
  elsif @list_podcasts || @list_favorite_podcasts 
    list_podcasts
    interactive
  elsif @items_from_favorites
    items_from_favorites
    interactive
  else
    search
    interactive
  end
end

#search ⇒ Object 



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# File 'lib/poddb_client.rb', line 176

def search
  @output = curl "/search?#@params"
  mark_already_downloaded
end