[app-musicexpo.git] / lib / App / MusicExpo.pm

package App::MusicExpo 0.002;
use v5.14;
use strict;
use warnings;

use Audio::FLAC::Header qw//;
use HTML::Template::Compiled qw//;
use Memoize qw/memoize/;
use MP3::Tag qw//;

use DB_File qw//;
use File::Basename qw/fileparse/;
use Fcntl qw/O_RDWR O_CREAT/;
use Getopt::Long;
use Storable qw/thaw freeze/;

##################################################

my $default_template;

our $prefix='/music/';
our $cache='';
our $template='';

GetOptions (
  "template=s" => \$template,
  "prefix=s" => \$prefix,
  "cache=s" => \$cache,
);


sub fix{
  utf8::decode($_[0]);
  $_[0]
}

sub flacinfo{
  my $file=$_[0];
  my $flac=Audio::FLAC::Header->new($file);
  $file = $prefix . scalar fileparse $file;

  freeze +{
	format => 'FLAC',
	title => fix ($flac->tags('TITLE') // '?'),
	artist => fix ($flac->tags('ARTIST') // '?'),
	year => fix ($flac->tags('DATE') // '?'),
	album => fix ($flac->tags('ALBUM') // '?'),
	tracknumber => fix ($flac->tags('TRACKNUMBER') // '?'),
	tracktotal => fix ($flac->tags('TRACKTOTAL') // '?'),
	genre => fix ($flac->tags('GENRE') // '?'),
	path => $file,
  }
}

sub mp3info{
  my $file=$_[0];
  my $mp3=MP3::Tag->new($file);
  $file = $prefix . scalar fileparse $file;

  freeze +{
	format => 'MP3',
	title => fix ($mp3->title || '?'),
	artist => fix ($mp3->artist || '?'),
	year => fix ($mp3->year || '?'),
	album => fix ($mp3->album || '?'),
	tracknumber => fix ($mp3->track1 || '?'),
	tracktotal => fix ($mp3->track2 || '?'),
	genre => fix ($mp3->genre) || '?',
	path => $file,
  }
}

sub normalizer{
  "$_[0]|".(stat $_[0])[9]
}

sub run {
  tie my %cache, 'DB_File', $cache, O_RDWR|O_CREAT, 0644 unless $cache eq '';
  memoize 'flacinfo', NORMALIZER => \&normalizer, LIST_CACHE => 'MERGE', SCALAR_CACHE => [HASH => \%cache] unless $cache eq '';
  memoize 'mp3info' , NORMALIZER => \&normalizer, LIST_CACHE => 'MERGE', SCALAR_CACHE => [HASH => \%cache] unless $cache eq '';

  my @files;
  for my $file (@ARGV) {
	push @files, thaw flacinfo $file if $file =~ /.flac$/i;
	push @files, thaw mp3info $file if $file =~ /.mp3$/i;
  }

  my $ht=HTML::Template::Compiled->new(
	default_escape => 'HTML',
	$template eq '' ? (scalarref => \$default_template) : (filename => $template),
  );
  $ht->param(files=>[sort { $a->{title} cmp $b->{title} } @files]);
  print $ht->output;
}

$default_template = <<'HTML';
<!DOCTYPE html>
<title>Music</title>
<meta charset="utf-8">
<link rel="stylesheet" href="/music.css">

<table border>
<thead>
<tr><th>Title<th>Artist<th>Album<th>Genre<th>Track<th>Year<th>Type
<tbody><tmpl_loop files>
<tr><td><a href="<tmpl_var ESCAPE=URL path>"><tmpl_var title></a><td><tmpl_var artist><td><tmpl_var album><td><tmpl_var genre><td><tmpl_var tracknumber>/<tmpl_var tracktotal><td><tmpl_var year><td><tmpl_var format></tmpl_loop>
</table>
HTML

1;

__END__

=head1 NAME

App::MusicExpo - script which generates a HTML table of music tags

=head1 SYNOPSIS

  use App::MusicExpo;
  App::MusicExpo->run;

=head1 DESCRIPTION

App::MusicExpo creates a HTML table from a list of songs.

The default template looks like:

    | Title   | Artist  | Album           | Genre   | Track | Year | Type |
    |---------+---------+-----------------+---------+-------+------+------|
    | Cellule | Silence | L'autre endroit | Electro | 01/09 | 2005 | FLAC |

where the title is a download link.

=head1 OPTIONS

=over

=item B<--template> I<template>

Path to the HTML::Template::Compiled template used for generating the music table. If '' (empty), uses the default format. Is empty by default.

=item B<--prefix> I<prefix>

Prefix for download links. Defaults to '/music/'.

=item B<--cache> I<filename>

Path to the cache file. Created if it does not exist. If '' (empty), disables caching. Is empty by default.

=back

=head1 AUTHOR

Marius Gavrilescu, E<lt>marius@ieval.roE<gt>

=head1 COPYRIGHT AND LICENSE

Copyright (C) 2013 by Marius Gavrilescu

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.14.2 or,
at your option, any later version of Perl 5 you may have available.
Commit	Line	Data
c2a060a4	1	package App::MusicExpo 0.002;
21cd9240	2	use v5.14;
75c564d8	3	use strict;
21cd9240 MG	4	use warnings;
	5
	6	use Audio::FLAC::Header qw//;
21cd9240 MG	7	use HTML::Template::Compiled qw//;
	8	use Memoize qw/memoize/;
	9	use MP3::Tag qw//;
21cd9240 MG	10
	11	use DB_File qw//;
	12	use File::Basename qw/fileparse/;
	13	use Fcntl qw/O_RDWR O_CREAT/;
	14	use Getopt::Long;
	15	use Storable qw/thaw freeze/;
	16
	17	##################################################
	18
75c564d8 MG	19	my $default_template;
75c564d8 MG	20
21cd9240	21	our $prefix='/music/';
fb015c82	22	our $cache='';
75c564d8	23	our $template='';
21cd9240 MG	24
	25	GetOptions (
	26	"template=s" => \$template,
	27	"prefix=s" => \$prefix,
	28	"cache=s" => \$cache,
21cd9240 MG	29	);
	30
	31
	32	sub fix{
	33	utf8::decode($_[0]);
d718c66c	34	$_[0]
21cd9240 MG	35	}
	36
	37	sub flacinfo{
	38	my $file=$_[0];
	39	my $flac=Audio::FLAC::Header->new($file);
e0fa3070	40	$file = $prefix . scalar fileparse $file;
21cd9240 MG	41
	42	freeze +{
	43	format => 'FLAC',
	44	title => fix ($flac->tags('TITLE') // '?'),
	45	artist => fix ($flac->tags('ARTIST') // '?'),
	46	year => fix ($flac->tags('DATE') // '?'),
	47	album => fix ($flac->tags('ALBUM') // '?'),
	48	tracknumber => fix ($flac->tags('TRACKNUMBER') // '?'),
	49	tracktotal => fix ($flac->tags('TRACKTOTAL') // '?'),
	50	genre => fix ($flac->tags('GENRE') // '?'),
	51	path => $file,
	52	}
	53	}
	54
	55	sub mp3info{
	56	my $file=$_[0];
	57	my $mp3=MP3::Tag->new($file);
e0fa3070	58	$file = $prefix . scalar fileparse $file;
21cd9240 MG	59
	60	freeze +{
	61	format => 'MP3',
	62	title => fix ($mp3->title \|\| '?'),
	63	artist => fix ($mp3->artist \|\| '?'),
	64	year => fix ($mp3->year \|\| '?'),
	65	album => fix ($mp3->album \|\| '?'),
	66	tracknumber => fix ($mp3->track1 \|\| '?'),
	67	tracktotal => fix ($mp3->track2 \|\| '?'),
	68	genre => fix ($mp3->genre) \|\| '?',
	69	path => $file,
	70	}
	71	}
	72
	73	sub normalizer{
	74	"$_[0]\|".(stat $_[0])[9]
	75	}
	76
	77	sub run {
fb015c82 MG	78	tie my %cache, 'DB_File', $cache, O_RDWR\|O_CREAT, 0644 unless $cache eq '';
	79	memoize 'flacinfo', NORMALIZER => \&normalizer, LIST_CACHE => 'MERGE', SCALAR_CACHE => [HASH => \%cache] unless $cache eq '';
	80	memoize 'mp3info' , NORMALIZER => \&normalizer, LIST_CACHE => 'MERGE', SCALAR_CACHE => [HASH => \%cache] unless $cache eq '';
21cd9240 MG	81
	82	my @files;
	83	for my $file (@ARGV) {
	84	push @files, thaw flacinfo $file if $file =~ /.flac$/i;
	85	push @files, thaw mp3info $file if $file =~ /.mp3$/i;
	86	}
	87
e0fa3070 MG	88	my $ht=HTML::Template::Compiled->new(
	89	default_escape => 'HTML',
	90	$template eq '' ? (scalarref => \$default_template) : (filename => $template),
	91	);
21cd9240 MG	92	$ht->param(files=>[sort { $a->{title} cmp $b->{title} } @files]);
	93	print $ht->output;
	94	}
	95
75c564d8 MG	96	$default_template = <<'HTML';
	97	<!DOCTYPE html>
	98	<title>Music</title>
	99	<meta charset="utf-8">
	100	<link rel="stylesheet" href="/music.css">
	101
	102	<table border>
	103	<thead>
	104	<tr><th>Title<th>Artist<th>Album<th>Genre<th>Track<th>Year<th>Type
	105	<tbody><tmpl_loop files>
e0fa3070	106	<tr><td><a href="<tmpl_var ESCAPE=URL path>"><tmpl_var title></a><td><tmpl_var artist><td><tmpl_var album><td><tmpl_var genre><td><tmpl_var tracknumber>/<tmpl_var tracktotal><td><tmpl_var year><td><tmpl_var format></tmpl_loop>
75c564d8 MG	107	</table>
	108	HTML
	109
21cd9240 MG	110	1;
	111
	112	__END__
	113
	114	=head1 NAME
	115
	116	App::MusicExpo - script which generates a HTML table of music tags
	117
	118	=head1 SYNOPSIS
	119
	120	use App::MusicExpo;
	121	App::MusicExpo->run;
	122
	123	=head1 DESCRIPTION
	124
	125	App::MusicExpo creates a HTML table from a list of songs.
	126
	127	The default template looks like:
	128
	129	\| Title \| Artist \| Album \| Genre \| Track \| Year \| Type \|
	130	\|---------+---------+-----------------+---------+-------+------+------\|
	131	\| Cellule \| Silence \| L'autre endroit \| Electro \| 01/09 \| 2005 \| FLAC \|
	132
	133	where the title is a download link.
	134
	135	=head1 OPTIONS
	136
	137	=over
	138
	139	=item B<--template> I<template>
	140
75c564d8	141	Path to the HTML::Template::Compiled template used for generating the music table. If '' (empty), uses the default format. Is empty by default.
21cd9240 MG	142
	143	=item B<--prefix> I<prefix>
	144
	145	Prefix for download links. Defaults to '/music/'.
	146
	147	=item B<--cache> I<filename>
	148
fb015c82	149	Path to the cache file. Created if it does not exist. If '' (empty), disables caching. Is empty by default.
21cd9240 MG	150
	151	=back
	152
	153	=head1 AUTHOR
	154
	155	Marius Gavrilescu, E<lt>marius@ieval.roE<gt>
	156
	157	=head1 COPYRIGHT AND LICENSE
	158
	159	Copyright (C) 2013 by Marius Gavrilescu
	160
	161	This library is free software; you can redistribute it and/or modify
	162	it under the same terms as Perl itself, either Perl version 5.14.2 or,
	163	at your option, any later version of Perl 5 you may have available.