Class: Podcast::Feed

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/podcast.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Feed

Returns a new instance of Feed.



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# File 'lib/podcast.rb', line 18

def initialize
  @mp3s = []
  @language = "en-us"
  @about = "Made with #{NAME}"
  @base = ''
end

Instance Attribute Details

#about ⇒ Object

Returns the value of attribute about.



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# File 'lib/podcast.rb', line 13

def about
  @about
end

#base ⇒ Object

Returns the value of attribute base.



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# File 'lib/podcast.rb', line 13

def base
  @base
end

#description ⇒ Object

Returns the value of attribute description.



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# File 'lib/podcast.rb', line 13

def description
  @description
end

#image ⇒ Object

Returns the value of attribute image.



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# File 'lib/podcast.rb', line 13

def image
  @image
end

#language ⇒ Object

Returns the value of attribute language.



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# File 'lib/podcast.rb', line 13

def language
  @language
end

#link ⇒ Object

Returns the value of attribute link.



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# File 'lib/podcast.rb', line 13

def link
  @link
end

#title ⇒ Object

Returns the value of attribute title.



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# File 'lib/podcast.rb', line 13

def title
  @title
end

#version ⇒ Object

Returns the value of attribute version.



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# File 'lib/podcast.rb', line 13

def version
  @version
end

Instance Method Details

#add_dir(dir) ⇒ Object

add a directory location to the podcast the directory will be recursively search for mp3 files.



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# File 'lib/podcast.rb', line 42

def add_dir(dir)
  # we chdir into the directory so that file paths will be relative
  pwd = Dir.pwd
  Dir.chdir(dir)
  Find.find('.') do |f|
    if (f =~ /\.mp3$/ && File.size?(f))
      f.sub!(%r{^./}, '') # remove leading './'
      add_mp3(f)
    end
  end
  # go back to original directory
  Dir.chdir(pwd)
end

#add_mp3(file) ⇒ Object

add an mp3 file to the podcast



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# File 'lib/podcast.rb', line 26

def add_mp3(file)
  begin
    mp3 = Mp3File.new(file)
    @mp3s.push(mp3)
  rescue Mp3InfoError => e
    puts "Skipping #{file} as it has a problem: #{e}"
  end
end

#each ⇒ Object 



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# File 'lib/podcast.rb', line 101

def each
  @songs.each do |s|
    yield s
  end
end

#get_rss ⇒ Object

write the podcast file



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# File 'lib/podcast.rb', line 62

def get_rss
  #version = "1.0" # ["0.9", "1.0", "2.0"]
  version = @version

  content = RSS::Maker.make(@version) do |m|
    m.channel.title = @title
    m.channel.description = @description 
    m.channel.link = @link 
    m.channel.language = @language
    m.channel.about = @about
    m.items.do_sort = true # sort items by date
    m.channel.updated = Time.now.to_s
    m.channel.author = NAME

    if @image != nil
      m.image.url = @image
      m.image.title = @title
    end

    for mp3 in @mp3s 
      item = m.items.new_item
      item.title = mp3
      ## add a base url 
      if base != ''
        link = base + '/' + URI::escape(mp3.path)
      else 
        link = URI::escape(mp3.path)
      end
      item.link = link
      item.date = mp3.mtime
      item.enclosure.url = link
      item.enclosure.length = mp3.length
      item.enclosure.type = mp3.type
    end
  end

  return content
end

#size ⇒ Object

the total amount of files in the podcast



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# File 'lib/podcast.rb', line 57

def size
  @mp3s.size
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/podcast.rb', line 35

def valid?
  title != nil && description != nil && link != nil
end