summaryrefslogtreecommitdiffstats
path: root/clerk
blob: fdc7d2e7b1c8fc13fabb48ec8473d6a58843a23b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
#!/usr/bin/env perl

binmode(STDOUT, ":utf8");
use v5.10;
use warnings;
use strict;
use utf8;
use Config::Simple;
use Data::MessagePack;
#use DDP;
use Encode qw(decode encode);
use File::Basename;
use File::Path qw(make_path);
use File::Slurper 'read_binary';
use File::stat;
use Try::Tiny;
use FindBin '$Bin';
use FindBin '$Script';
use Getopt::Std;
use HTTP::Date;
use IPC::Run qw( timeout start );
use List::Util qw(any);
use Net::MPD;
use POSIX qw(tzset);
use autodie;

my $self="$Bin/$Script";

$ENV{TMUX_TMPDIR}='/tmp/clerk/tmux';
make_path($ENV{TMUX_TMPDIR}) unless(-d $ENV{TMUX_TMPDIR});

my $config_file = $ENV{'HOME'} . "/.config/clerk/clerk.conf";

if ($ENV{CLERK_CONF}) {
	$config_file = $ENV{CLERK_CONF};
}
my $backend="fzf";
# read configuration file
my $cfg = new Config::Simple(filename=>"$config_file");
my $general_cfg = $cfg->param(-block=>"General");
my $mpd_host = $general_cfg->{mpd_host};
my $tmux_config = $general_cfg->{tmux_config};
my $db_file = $general_cfg->{database};
my $songs = $general_cfg->{songs};
my $chunksize = $general_cfg->{chunksize};
my $player = $general_cfg->{player};

my $columns_cfg = $cfg->param(-block=>"Columns");
my $albumartist_l = $columns_cfg->{albumartist_l};
my $album_l = $columns_cfg->{album_l};
my $date_l = $columns_cfg->{date_l};
my $title_l = $columns_cfg->{title_l};
my $track_l = $columns_cfg->{track_l};
my $artist_l = $columns_cfg->{artist_l};

my $random;
# open connection to MPD
my $mpd = Net::MPD->connect($ENV{MPD_HOST} // $mpd_host // 'localhost');

sub main {
	my %options=();
	getopts("talpfrhuyxzAT", \%options);
	unless ($options{f}) { 
		$backend = 'rofi'
	} else { 
		$backend = 'fzf';
	}
	if ($options{t} // $options{a} // $options{p} // $options{l} // $options{r} // $options{x} // $options{y} // $options{h} // $options{z} // $options{u}) {
		if    (defined $options{t}) { create_db(); list_db_entries_for("Tracks") }
		elsif (defined $options{a}) { create_db(); list_db_entries_for("Albums") }
		elsif (defined $options{p}) { create_db(); list_playlists() }
		elsif (defined $options{z}) { help() }
		elsif (defined $options{h}) { help_output() }
		elsif (defined $options{x}) {
			create_db();
			system('tmux', 'split-window', '-d', $self, '-f', '-r');
			system('tmux', 'select-pane', '-D');
		}
		elsif (defined $options{y}) {
			system('tmux', 'split-window', '-d', $self, '-f', '-z');
			system('tmux', 'select-pane', '-D');
		}
		elsif (defined $options{r}) {
			if (defined $options{T}) { random_tracks(); }
			elsif (defined $options{A}) { random_album(); }
			else { random() }
		}
		elsif (defined $options{l}) { create_db(); list_db_entries_for("Latest") }
		elsif (defined $options{u}) {
			create_db();
		}
	}
	else {
		create_db();
		system('tmux', 'has-session', '-t', 'music');
		if ($? != -0) {
			system('tmux', '-f', $tmux_config, 'new-session', '-s', 'music', '-n', 'albums', '-d', $self, '-a', '-f');
			system('tmux', 'new-window', '-t', 'music', '-n', 'tracks', $self, '-t', '-f');
			system('tmux', 'new-window', '-t', 'music', '-n', 'latest', $self, '-l', '-f');
			system('tmux', 'new-window', '-t', 'music', '-n', 'playlists', $self, '-p', '-f');
			system('tmux', 'new-window', '-t', 'music', '-n', 'queue', $player);
			system('tmux', 'attach', '-t', 'music');
		}
		else {
			system('tmux', 'attach', '-t', 'music');
		}
	}
}

sub help_output {
	my @output = (
		"Usage: clerk [command] [-f]",
		"clerk version 2.0",
		"",
		"Commands:",
		"  -a           Add/Replace album(s) to queue.",
		"  -l           Add/Replace album(s) to queue (sorted by mtime)",
		"  -t           Add/Replace track(s) to queue.",
		"  -p           Add stored playlist to queue",
		"  -r [-A, -T]  Replace current playlist with random songs/album",
		"  -u           Update caches",
		"",
		"Options:",
		"  -f           Use fzf interface",
		" ",
		"Without further arguments, clerk starts a tabbed tmux interface");

	print join("\n", @output), "\n\n";
}

sub create_db {
	# Get database copy and save as messagepack file, if file is either missing
	# or older than latest mpd database update.
	# get number of songs to calculate number of searches needed to copy mpd database
	my $mpd_stats = $mpd->stats();
	my $songcount = $mpd_stats->{songs};
	my $last_update = $mpd_stats->{db_update};

	if (!-f "$db_file" || stat("$db_file")->mtime < $last_update) {
		my $times = int($songcount / $chunksize + 1);
		if ($backend eq "rofi") {
			system('notify-send', '-t', '5', 'clerk', 'Updating Cache File');
		}
		elsif ($backend eq "fzf") {
			print STDERR "::: No cache found or cache file outdated\n";
			print STDERR "::: Chunksize set to $chunksize songs\n";
			print STDERR "::: Requesting $times chunks from MPD\n";
		}
		my @db;
		# since mpd will silently fail, if response is larger than command buffer, let's split the search.
		my $chunk_size = $chunksize;
		for (my $i=0;$i<=$songcount;$i+=$chunk_size) {
			my $endnumber = $i+$chunk_size; 
			my @temp_db = $mpd->search('filename', '', 'window', "$i:$endnumber");
			push @db, @temp_db;
		}

		# only save relevant tags to keep messagepack file small
		# note: maybe use a proper database instead? See list_album function.
		my @filtered = map { $_->{mtime} = str2time($_->{'Last-Modified'}); +{$_->%{qw/Album Artist Date AlbumArtist Title Track uri mtime/}} } @db;
		pack_msgpack(\@filtered);
	}
}

sub help {
	my $help_txt = system('grep', 'bind-key', $tmux_config);
	print "$help_txt\n";
	<STDIN>;
}

sub backend_call {
	my ($in, $fields, $random) = @_;
	my $input;
	my $out;
	$random //= "ignore";
	$fields //= "1,2,3";
	my %backends = (
		fzf => [ qw(fzf
			--reverse
			--no-sort
			-m
			-e
			--no-hscroll
			-i
			-d
			\t
			--tabstop=4
			+s
			--ansi),
			"--bind=esc:$random,alt-a:toggle-all,alt-n:deselect-all",
			"--with-nth=$fields"
		],
		rofi => [
			'rofi',
			'-width',
			'1300',
			'-dmenu',
			'-kb-row-tab',
			'',
			'-kb-move-word-forward',
			'',
			'-kb-row-tab',
			'',
			'-kb-accept-alt',
			'Tab',
			'-multi-select',
			'-no-levensthein-sort',
			'-i',
			'-p',
			'> '
		]
	);
	my $handle = start $backends{$backend} // die('backend not found'), \$input, \$out;
	$input = join "", (@{$in});
	finish $handle or die "No selection";
	return $out;
}

sub pack_msgpack {
	my ($filtered_db) = @_;
	my $msg = Data::MessagePack->pack($filtered_db);
	my $filename = "$db_file";
	open(my $out, '>:raw', $filename) or die "Could not open file '$filename' $!";
	print $out $msg;
	close $out;
}
	
sub unpack_msgpack {
	my $mp = Data::MessagePack->new->utf8();
	my $msgpack = read_binary("$db_file");
	my $rdb = $mp->unpack($msgpack);
	return $rdb;
}

sub random_album {
	my @queue_cmd = ('tmux', 'findw', '-t', 'music', 'queue');
	$mpd->clear();
	my @album_artists = $mpd->list('albumartist');
	my $artist_r = $album_artists[rand @album_artists];
	my @album = $mpd->list('album', 'albumartist', $artist_r);
 	my $album_r = $album[rand @album];
 	$mpd->search_add('albumartist', $artist_r, 'album', $album_r);
 	$mpd->play();
	system(@queue_cmd);
}

sub random_tracks {
	my @queue_cmd = ('tmux', 'findw', '-t', 'music', 'queue');
	$mpd->clear();
	for (my $i=0; $i <= $songs; $i++) {
		my @artists = $mpd->list('artist');
		my $artist_r = $artists[rand @artists];
		my @albums = $mpd->list('album', 'artist', $artist_r);
		my $album_r = $albums[rand @albums];
		my @tracks = $mpd->search('artist', $artist_r, 'album', $album_r);
		my $track_r = $tracks[rand @tracks];
		my $foo = $track_r->{uri};
		$mpd->add($foo);
		system(@queue_cmd);
		$mpd->play();
	}
}

sub random {
	my @queue_cmd = ('tmux', 'findw', '-t', 'music', 'queue');
	try { $mpd->close(); };
	$mpd->{socket}->close;
	my @action_items = ("Album\n", "Tracks\n", "Settings\n");
	my $action = backend_call(\@action_items, "1,2,3", "cancel");
	if ($action eq "Album\n") {
		random_album();
		system(@queue_cmd);
		$mpd->play();
	}
	if ($action eq "Tracks\n") {
		random_tracks();
		system(@queue_cmd);
		$mpd->play();
	}
	if ($action eq "Settings\n") {
		my @action_items = ("5\n", "10\n", "15\n", "20\n", "25\n", "30\n");
		my $action = backend_call(\@action_items);
		chomp $action;
		$cfg->param("General.songs", $action);
		$cfg->save();
	}
}

sub do_action {
	my @queue_cmd = ('tmux', 'findw', '-t', 'music', 'queue');
	my ($in, $context) = @_;
	my $action;
	try { $mpd->close(); };
	$mpd->{socket}->close;
	if ($context eq "playlist") {
		if ($in eq "Save current Queue\n") {
			tzset();
			my $filename = localtime();
			$mpd->save($filename);
		} else {
			my @action_items = ("Add\n", "Replace\n", "Delete\n");
			$action = backend_call(\@action_items);
			if ($action eq "Replace\n") {
			    $mpd->clear();
				chomp $in;
				$mpd->load("$in");
				$mpd->play();
				system(@queue_cmd);
			}
			elsif ($action eq "Add\n") {
				chomp $in;
				$mpd->load("$in");
			}
			elsif ($action eq "Delete\n") {
				chomp $in;
				$mpd->rm("$in");
			}
		}
	} elsif ($context eq "tracks") {
		my @action_items = ("Add\n", "Replace\n");
		$action = backend_call(\@action_items);
		if ($action eq "Replace\n") {
			$mpd->clear();
		}
		my $input;
		foreach my $line (split /\n/, $in) {
			my $uri = (split /[\t\n]/, $line)[-1];
			$uri = decode('UTF-8', $uri );
			$mpd->add($uri);
			system(@queue_cmd);
		}
		if ($action eq "Replace\n") {
			$mpd->play();
		}
	}
}

sub list_playlists {
	for (;;) {
		my @playlists = $mpd->list_playlists();
		my $output = formatted_playlists(\@playlists);
		my $out = backend_call($output);
		do_action($out, "playlist", "ignore");
	}
}

sub formatted_albums {
	my ($rdb, $sorted) = @_;

	my %uniq_albums;
	for my $i (@$rdb) {
		my $newkey = join "", $i->@{qw/AlbumArtist Date Album/};
		if (!exists $uniq_albums{$newkey}) {
			my $dir = (dirname($i->{uri}) =~ s/\/CD.*$//r);
			$uniq_albums{$newkey} = {$i->%{qw/AlbumArtist Album Date mtime/}, Dir => $dir};
		} else {
			if ($uniq_albums{$newkey}->{'mtime'} < $i->{'mtime'}) {
				$uniq_albums{$newkey}->{'mtime'} = $i->{'mtime'}
			}
		}
	}

	my @albums;
	my $fmtstr = join "", map {"%-${_}.${_}s\t"} ($albumartist_l, $date_l, $album_l);

	my @skeys;
	if ($sorted) {
		@skeys = sort { $uniq_albums{$b}->{mtime} <=> $uniq_albums{$a}->{mtime} } keys %uniq_albums;
	} else {
		@skeys = sort keys %uniq_albums;
	}

	for my $k (@skeys) {
		my @vals = ((map { $_ // "Unknown" } $uniq_albums{$k}->@{qw/AlbumArtist Date Album/}), $uniq_albums{$k}->{Dir});
		my $strval = sprintf $fmtstr."%s\n", @vals;
		push @albums, $strval;
	}

	return \@albums;
}

sub formatted_tracks {
	my ($rdb) = @_;
	my $fmtstr = join "", map {"%-${_}.${_}s\t"} ($track_l, $title_l, $artist_l, $album_l);
	my @tracks = map {
		sprintf $fmtstr."%-s\n", (map { $_ // "Unknown" } $_->@{qw/Track Title Artist Album/}), $_->{uri};
#		sprintf $fmtstr."%-s\n", $_->@{qw/Track Title Artist Album uri/}
	} @{$rdb};

	return \@tracks;
}

sub formatted_playlists {
    my ($rdb) = @_;
    my @save = ("Save");
    push @save, $rdb;
    my @playlists = map {
    	sprintf "%s\n", $_->{playlist}
    } @{$rdb};
	@save = ("Save current Queue\n", "---\n");
	@playlists = sort @playlists;
	unshift @playlists, @save;
    return \@playlists;
}

sub list_db_entries_for {
	my ($kind) = @_;
	die "Wrong kind" unless any {; $_ eq $kind} qw/Albums Latest Tracks/;

	my $rdb = unpack_msgpack();
	my %fields = (Albums=> "1,2,3", Latest => "1,2,3", Tracks => "1,2,3,4");
	my %formater = (
		Albums => sub {formatted_albums(@_, 0)},
		Latest => sub {formatted_albums(@_, 1)},
		Tracks => \&formatted_tracks
	);

	my $output = $formater{$kind}->($rdb);
	if ($backend eq "rofi") {
		my $out = backend_call($output, $fields{$kind});
		do_action($out, "tracks", "ignore");
	}
	elsif ($backend eq "fzf") {
	for (;;) {
		create_db();
		my $out = backend_call($output, $fields{$kind});
		try {
			do_action($out, "tracks", "ignore");
		}
	}
}
}

main;