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 14

def initialize
    @mp3s = []
    @language = "English"
    @base = ''
end

Instance Attribute Details

#base ⇒ Object

Returns the value of attribute base.



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# File 'lib/podcast.rb', line 9

def base
  @base
end

#description ⇒ Object

Returns the value of attribute description.



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# File 'lib/podcast.rb', line 9

def description
  @description
end

#image ⇒ Object

Returns the value of attribute image.



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# File 'lib/podcast.rb', line 9

def image
  @image
end

#language ⇒ Object

Returns the value of attribute language.



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# File 'lib/podcast.rb', line 9

def language
  @language
end

#link ⇒ Object

Returns the value of attribute link.



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# File 'lib/podcast.rb', line 9

def link
  @link
end

#title ⇒ Object

Returns the value of attribute title.



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# File 'lib/podcast.rb', line 9

def title
  @title
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 29

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$/ )
            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 21

def add_mp3( file )
    mp3 = Mp3File.new( file )
    @mp3s.push( mp3 )
end

#each ⇒ Object 



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# File 'lib/podcast.rb', line 83

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 49

def get_rss()
    rss = RSS::Rss.new( "0.9" )
    channel = RSS::Rss::Channel.new
    channel.title = @title
    channel.description = @description 
    channel.link = @link 
    channel.language = @language
    rss.channel = channel

    image = RSS::Rss::Channel::Image.new
    image.url = @image
    image.title = @title
    image.link = @link
    channel.image = image

    for mp3 in @mp3s 
        next if ! mp3.artist
        item = RSS::Rss::Channel::Item.new
        item.title = mp3
        ## add a base url 
        if base != ''
            link = base + '/' + mp3.path
        else 
            link = mp3.path
        end
        item.link = link
        item.enclosure = RSS::Rss::Channel::Item::Enclosure.new( 
            link, mp3.length, mp3.type )
        channel.items << item
    end

    return rss.to_s
end

#size ⇒ Object

the total amount of files in the podcast



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# File 'lib/podcast.rb', line 44

def size
    @mp3s.size
end