# Blosxom Plugin: now_playing
# Author(s): James Vasile (james@brutalhugs.com)
# Version: 0.1
# Documentation: See the bottom of this file or 
# type: perldoc trackback_counts_display

package now_playing;

# --- Configurable variables -----

# Where are trackbacks kept?
my $trackback_dir = "/home/brutalhu/www/www/cgi-bin/tb/tb_data";

# What is the trackback id of the winamp file?
# leave this alone unless you have a reason to change it.
my $trackback_id = "now_playing_plugin";

# How many songs do you want to display?
my $num_songs = 5;

# Song Template
my $song_template = '<div now_playing_song>$song<br /></div>';


# --------------------------------

use File::Spec::Functions; 

$last; # use as $now_playing::last in flavour templates

sub start {
  -d $trackback_dir or return 0;
  1;
}

sub head {
  require Storable;
  unless (-r "$trackback_dir/$trackback_id.stor") {
      $last = "[No songs found]";
      return;
  }

  my $trackbacks = scalar eval { Storable::retrieve("$trackback_dir/$trackback_id.stor") } || [];
  for (my $lcv; $lcv < $num_songs && $lcv < (@$trackbacks); $lcv++) {
      my $song = %{$trackbacks->[$lcv]}->{"excerpt"} || "[no song info]";
      my $template = $song_template;
      $template =~ s/(\$[\w:]+)/$1 . "||''"/gee;
      $last .= $template;
  }
  

  if ((@$trackbacks) > 5*$num_songs+10) { #trim list if its too big, but don't trim too often.
      @$trackbacks = splice(@$trackbacks, 0, $num_songs);
      Storable::store($trackbacks, "$trackback_dir/$trackback_id.stor");
  }

  1;
}

1;

__END__

=head1 NAME

Blosxom Plug-in: now_playing

=head1 SYNOPSIS

Populates $now_playing::last with the last few songs you've played in Winamp.

Requires Benn Trott's tb.cgi implementation of Trackback.

Requires the DoSomething WinAmp plugin.

=head1 VERSION

0.1

=head1 AUTHOR

James Vasile (james@brutalhugs.com)

=head1 SEE ALSO

http://brutalhugs.com/flavours

http://a.wholelottanothing.org/archives.blah/006625

Blosxom Plugin Docs: http://www.raelity.org/apps/blosxom/plugin.shtml

=head1 BUGS

Address bug reports and comments to the Blosxom mailing list 
[http://www.yahoogroups.com/group/blosxom].

=head1 LICENSE

Blosxom and this Blosxom Plug-in
Copyright 2003, James Vasile

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.