From d4cb48883528f531e9bac41808be97095809915f Mon Sep 17 00:00:00 2001
From: Rasmus Steinke <rasi@xssn.at>
Date: Sat, 23 Sep 2017 15:18:31 +0200
Subject: initial support for writing ratings to files, using a helper client

---
 clerk_rating_client | 123 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100755 clerk_rating_client

(limited to 'clerk_rating_client')

diff --git a/clerk_rating_client b/clerk_rating_client
new file mode 100755
index 0000000..4d56526
--- /dev/null
+++ b/clerk_rating_client
@@ -0,0 +1,123 @@
+#!/usr/bin/perl
+
+binmode(STDOUT, ":utf8");
+use v5.10;
+use warnings;
+use Array::Utils qw(:all);
+use DDP;
+use File::Spec;
+use strict;
+use utf8;
+use Encode qw(decode encode);
+use File::Find;
+use Getopt::Std;
+use Net::MPD;
+
+my $mpd_host = "tauron";
+my $mpd = Net::MPD->connect($ENV{MPD_HOST} // $mpd_host // 'localhost');
+my $music_root = "/mnt/raid/Audio/Rips";
+
+sub main {
+    my %options=();
+    getopts("rst", \%options);
+
+    if ($options{r} // $options{s} // $options{t}) {
+        if    (defined $options{r}) { subscribe_ratings_channel(); track_rating(); }
+        elsif (defined $options{s}) { subscribe_ratings_channel(); sync_ratings(); }
+        elsif (defined $options{t}) { tag_from_sticker(); }
+    }   else { subscribe_ratings_channel(); track_rating(); };
+}
+
+sub subscribe_ratings_channel {
+    $mpd->subscribe('rating');
+}
+
+sub track_rating {
+    while(1) {
+    	$mpd->idle('message');
+    	my @blub = $mpd->read_messages;
+        foreach (@blub) {
+        	my $string = $_->{message};
+        	my @array = split("\t", $string);
+        	my $uri = $array[0];
+        	my $mode = $array[1];
+        	my $rating = $array[2];
+            $uri = decode('UTF-8', $uri );
+            my @files = $mpd->search('filename', $uri);
+            my @song_tags = $files[0];
+            my $albumartist = $song_tags[0]->{AlbumArtist};
+            my $artist = $song_tags[0]->{Artist};
+            my $title = $song_tags[0]->{Title};
+            my $album = $song_tags[0]->{Album};
+            if ($uri =~ /.*.flac$/) {
+                if ($mode eq "RATING") {
+                    print ":: tagging track \"${title}\" by \"${artist}\" with rating of \"${rating}\"\n";
+                } elsif ($mode eq "ALBUMRATING") {
+                    print ":: tagging track \"${title}\" by \"${albumartist}\" with albumrating of \"${rating}\"\n";
+                }
+                system('metaflac', '--remove-tag=RATING', "${music_root}/${uri}");
+                system('metaflac', "--set-tag=${mode}=${rating}", "${music_root}/${uri}");
+            }
+            elsif ($uri =~ /.*.mp3$/) {
+                if ($mode eq "RATING") {
+                    print ":: tagging track \"${title}\" by \"${artist}\" with rating of \"${rating}\"\n";
+                } elsif ($mode eq "ALBUMRATING") {
+                    print ":: tagging track \"${title}\" by \"${albumartist}\" with albumrating of \"${rating}\"\n";
+                }
+                system('mid3v2', "--TXXX:${mode}:${rating}", "${music_root}/${uri}");
+            }
+            elsif ($uri =~ /.*.ogg$/) {
+                print "!! OGG files not supported, yet\n";
+            }
+        }
+    }
+}
+
+sub sync_ratings {
+	my @sticker_uris;
+	my @actual_uris;
+    my @available_stickers = $mpd->sticker_find('song', 'rating', '');
+    foreach my $rated_song (@available_stickers) {
+    	push @sticker_uris, "$rated_song->{file}";
+	}
+
+	my @absolute;
+	find({
+    wanted   => sub { push @absolute, $_ if -f and -r },
+    no_chdir => 1,
+	}, $music_root);
+	my @relative = map { File::Spec->abs2rel($_, $music_root) } @absolute;
+	push @actual_uris, $_ for @relative;
+	
+	my @diff = array_diff(@sticker_uris, @actual_uris);
+	foreach my $unrated_song (@diff) {
+		if ( $unrated_song =~ /.*.flac$/) {
+			my $rating = system('metaflac', '--show-tag=RATING', "${music_root}/${unrated_song}");
+			print "$rating\n";
+			if ($rating ne "0") {
+				print "rating ${music_root}/${unrated_song} with $rating\n";
+				$mpd->sticker_value("song", "$unrated_song", "rating", "$rating");
+			}
+		}
+	}
+}
+
+sub tag_from_sticker {
+    my @available_stickers = $mpd->sticker_find('song', 'rating', '');
+    foreach my $rated_song (@available_stickers) {
+		my $uri = $rated_song->{file};
+		my $rating = $rated_song->{sticker};
+        if ($uri =~ /.*.flac$/) {
+            system('metaflac', '--remove-tag=RATING', "${music_root}/${uri}");
+            system('metaflac', "--set-tag=RATING=$rating", "${music_root}/${uri}");
+        }
+        elsif ($uri =~ /.*.mp3$/) {
+            system('mid3v2', "--TXXX:RATING:${rating}", "${music_root}/${uri}");
+        }
+        elsif ($uri =~ /.*.ogg$/) {
+            print "!! OGG files not supported, yet\n";
+        }
+	}
+}
+
+main();
-- 
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