X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2FID3FS%2FDB.pm;h=909d7f16d711c77cfe0b7d5c05aaa48fb3ee66a6;hb=ac4b1523cdb6cf2dbdbdea60196ffbd84ffc7a45;hp=74a82b5c0075c0a76015327202b75b345c446aee;hpb=198047fe7da462f486e7da3a751ecdea8d285750;p=id3fs.git

diff --git a/lib/ID3FS/DB.pm b/lib/ID3FS/DB.pm
index 74a82b5..909d7f1 100644
--- a/lib/ID3FS/DB.pm
+++ b/lib/ID3FS/DB.pm
@@ -23,7 +23,7 @@ use ID3FS::AudioFile;
 use Cwd;
 
 our $SCHEMA_VERSION=1;
-my $dbfile=".id3fs";
+my $dbfile=".id3fs"; # default
 
 sub new
 {
@@ -37,6 +37,7 @@ sub new
     my $init=shift;
     $self->{base}=shift;
     $self->{dbpath}=shift || ($self->{base} . "/" . $dbfile);
+    $self->{dbpath}=Cwd::abs_path($self->{dbpath});
     $self->{absbase}=Cwd::abs_path($self->{base});
 
     my $connectstr="dbi:SQLite:dbname=$self->{dbpath}";
@@ -60,6 +61,7 @@ sub new
     return $self;
 }
 
+# search parent directories for db
 sub find_db
 {
     # class method
@@ -163,7 +165,6 @@ sub tags_with_values
     my $sql=("SELECT p.name, t.name  FROM tags t\n" .
 	     "INNER JOIN tags p ON t.parents_id=p.id\n" .
 	     "GROUP BY p.name, t.name\n");
-#    print "SQL: $sql\n";
     my $result=$self->cmd_rows($sql);
     my $tags={};
     for my $pair (@$result)
@@ -184,31 +185,23 @@ sub tag_has_values
 
 sub relativise
 {
-    my($self, $path, $name, $mountpoint)=@_;
-    my $id3fs_path=$self->{dbpath};
-    $id3fs_path=~s/(.*)\/.*/$1/;
+    my($self, $path, $name, $mountpoint, $querypath)=@_;
     my $rpath="$self->{absbase}/$path";
-    my $vpath="$mountpoint/$id3fs_path";
+    my $vpath=$mountpoint . $querypath;
     my @path=split(/\//,$rpath);
     my @rel=split(/\//,$vpath);
-    #absolute paths have empty first element due to leading /
+    # drop filename from rel
+    pop @rel;
+    # absolute paths have empty first element due to leading /
     shift(@path) if($path[0] eq "");
     shift(@rel)  if($rel[0]  eq "");
-    if($path[0] ne $rel[0])
-    {
-	#no path in common, return absolute
-	print "FAIL: NO PATHS IN COMMON\n";
-	return $name;
-    }
     # f: /home/foo/bar/baz.mp3
     # r: /home/ianb/music/albums
     while(@path && @rel && ($path[0] eq $rel[0]))
     {
 	shift(@path);
 	shift(@rel);
-#	print "POP ";
     }
-#    print "\n";
     my $upcount=scalar(@rel);
     my $result="../" x $upcount;
     $result .= join("/",@path);
@@ -350,7 +343,6 @@ sub files_in
     my $sql=("SELECT files.name FROM files\n" .
 	     "INNER JOIN paths ON files.paths_id=paths.id\n" .
 	     "WHERE paths.name=?\n");
-#    print "files_in: SQL: $sql\n";
     return($self->cmd_firstcol($sql, $dir));
 }
 
@@ -390,7 +382,6 @@ sub prune_paths
     return unless(@ids);
     my $sql=("DELETE FROM files WHERE paths_id IN (\n\t" .
 	     join(', ', map { "\"$_\""; } @ids). "\n\t)");
-#    print "SQL: \n", $sql, "\n";
     $self->cmd($sql);
 }
 
@@ -452,6 +443,7 @@ sub ok
     return(defined($thing) && length($thing) && $thing =~ /\S+/);
 }
 
+# actually call the database
 sub cmd_sth
 {
     my($self, $sql, @params)=@_;
@@ -466,6 +458,7 @@ sub cmd_sth
     return $sth;
 }
 
+# pass cmd to db, ignore response
 sub cmd
 {
     my ($self, @args)=@_;
@@ -473,6 +466,7 @@ sub cmd
     $self->cmd_sth(@args);
 }
 
+# return one row
 sub cmd_onerow
 {
     my ($self, @args)=@_;
@@ -480,6 +474,7 @@ sub cmd_onerow
     return($sth->fetchrow_array());
 }
 
+# returns all rows
 sub cmd_rows
 {
     my ($self, @args)=@_;
@@ -487,12 +482,14 @@ sub cmd_rows
     return $sth->fetchall_arrayref();
 }
 
+# returns just the first column
 sub cmd_firstcol
 {
     my ($self, @args)=@_;
     return(map { $_->[0] } @{$self->cmd_rows(@args)});
 }
 
+# runs cmd, returns id of last insert
 sub cmd_id
 {
     my ($self, @args)=@_;
@@ -506,6 +503,7 @@ sub last_insert_id
     return $self->{dbh}->last_insert_id("","","","");
 }
 
+# lookup id of $name in $table, also matching on $parent if needed
 sub lookup_id
 {
     my($self, $table, $name, $parent)=@_;
@@ -530,19 +528,19 @@ CREATE TABLE id3fs (
 CREATE TABLE paths (
     id INTEGER,
     name text,
-    PRIMARY KEY(id DESC)
+    PRIMARY KEY(id ASC)
 );
 
 CREATE TABLE artists (
     id INTEGER,
     name text,
-    PRIMARY KEY(id DESC)
+    PRIMARY KEY(id ASC)
 );
 
 CREATE TABLE albums (
     id INTEGER,
     name text,
-    PRIMARY KEY(id DESC)
+    PRIMARY KEY(id ASC)
 );
 
 CREATE TABLE files (
@@ -551,7 +549,7 @@ CREATE TABLE files (
     artists_id,
     albums_id,
     paths_id,
-    PRIMARY KEY(id DESC),
+    PRIMARY KEY(id ASC),
     FOREIGN KEY(artists_id) REFERENCES artists(id) ON DELETE CASCADE ON UPDATE CASCADE,
     FOREIGN KEY(albums_id)  REFERENCES albums(id)  ON DELETE CASCADE ON UPDATE CASCADE,
     FOREIGN KEY(paths_id)   REFERENCES paths(id)   ON DELETE CASCADE ON UPDATE CASCADE
@@ -561,7 +559,7 @@ CREATE TABLE tags (
     id INTEGER,
     parents_id INTEGER,
     name text,
-    PRIMARY KEY(id DESC)
+    PRIMARY KEY(id ASC)
 );
 
 CREATE TABLE files_x_tags (