mdw@git.distorted.org.uk Git - dvddb/blob - updpldb

   1 #! /usr/bin/perl -w
   2
   3 use autodie qw{:all};
   4 use open ":utf8";
   5 use strict;
   6
   7 use DBI;
   8 use Encode qw{encode_utf8 decode_utf8};
   9 use Getopt::Std;
  10
  11 BEGIN {
  12   binmode STDIN, ":utf8";
  13   binmode STDOUT, ":utf8";
  14   binmode STDERR, ":utf8";
  15 }
  16
  17 (my $prog = $0) =~ s:^.*/::;
  18 sub HELP_MESSAGE ($;@) {
  19   my ($fh) = @_;
  20   print $fh "usage: $prog FILE ...\n";
  21 }
  22
  23 my $bogusp = 0;
  24 my %opt;
  25 getopts("h", \%opt) or $bogusp = 1;
  26 if ($opt{"h"}) { HELP_MESSAGE \*STDOUT; exit 0; }
  27 @ARGV >= 1 or $bogusp = 1;
  28 if ($bogusp) { HELP_MESSAGE \*STDERR; exit 2; }
  29
  30 my $DB = DBI->connect("dbi:Pg:host=roadstar", "", "",
  31                       { AutoCommit => 0,
  32                         RaiseError => 1 });
  33
  34 my $R_STR = qr/ " (?: [^"\\]++ | \\ .)++ " /x;
  35 my $R_INT = qr/ -?+ \d++ /x;
  36 my $R_REAL = qr/ -?+ \d++ (?: \. \d++)?+ (?: [eE] [-+]?+ \d++)?+ /x;
  37
  38 sub unquote ($) {
  39   my ($s) = @_;
  40   if ($s eq "-") { return undef; }
  41   else { $s =~ s/^"(.*)"$/$1/; $s =~ s/\\(.)/$1/; return $s; }
  42 }
  43
  44 my $st_def_playlist = $DB->prepare
  45   ("INSERT INTO playlist AS pl (name, n_entry) VALUES (?, 0)
  46     ON CONFLICT (name) DO UPDATE SET name = pl.name WHERE pl.name = ?");
  47 my $st_finish_playlist = $DB->prepare
  48   ("UPDATE playlist SET n_entry = ? WHERE name = ?");
  49 my $st_def_series = $DB->prepare
  50   ("INSERT INTO series AS s (name, title) VALUES (?, ?)
  51     ON CONFLICT (name) DO UPDATE SET title = ? WHERE s.name = ?");
  52
  53 my $st_def_media = $DB->prepare
  54   ("INSERT INTO media AS m (path, title_number, start_chapter, end_chapter,
  55                             title, series_name, duration)
  56     VALUES (?, ?, ?, ?,  ?, ?, ?)
  57     ON CONFLICT (path, title_number, start_chapter, end_chapter)
  58             DO UPDATE SET title = ?, series_name = ?, duration = ?
  59             WHERE m.path = ? AND m.title_number = ? AND
  60                   m.start_chapter = ? AND m.end_chapter = ?
  61     RETURNING m.id");
  62
  63 my $st_def_entry = $DB->prepare
  64   ("INSERT INTO playlist_entry AS e (list_name, entry, media_id)
  65     VALUES (?, ?, ?)
  66     ON CONFLICT (list_name, entry)
  67             DO UPDATE SET media_id = ?
  68             WHERE e.list_name = ? AND e.entry = ?");
  69 my $st_clear_entries = $DB->prepare
  70   ("DELETE FROM playlist_entry WHERE list_name = ? AND entry >= ?");
  71
  72 my $playlist = undef;
  73 my $index = 0;
  74 sub wrap () {
  75   defined $playlist or return;
  76   $index or die "empty playlist";
  77   $st_finish_playlist->execute($index, $playlist);
  78   $st_clear_entries->execute($playlist, $index);
  79   $playlist = undef; $index = 0;
  80 }
  81 LINE: while (<>) {
  82   chomp;
  83   if (/^ \s* (?: ; | $) /x) { next LINE; }
  84   elsif (/^ \s* LIST \s+ (\S+) \s* $/x) {
  85     wrap;
  86     $playlist = $1;
  87     $st_def_playlist->execute($playlist, $playlist);
  88   } elsif (!defined $playlist) { die "no playlist name"; }
  89   elsif (/^ \s* SERIES \s+ (\S+) \s+ ($R_STR) \s* $/x) {
  90     my ($stag, $title) = ($1, unquote($2));
  91     my $sname = $stag eq "-" ? $playlist : "$playlist/$stag";
  92     $st_def_series->execute($sname,  $title,
  93                             $title,  $sname);
  94   } elsif (/^ \s* ENTRY
  95               \s+ (\S+) \s+ ($R_STR) \s+ ($R_STR)
  96               \s+ ($R_INT) \s+ ($R_INT) \s+ ($R_INT)
  97               \s+ ($R_REAL) \s* $/x) {
  98     my ($stag, $title, $path, $ttn, $loch, $hich, $dur) =
  99       ($1, unquote($2), unquote($3), $4, $5, $6, $7);
 100
 101     my $sname = $stag eq "-" ? $playlist : "$playlist/$stag";
 102     $st_def_media->execute($path, $ttn, $loch, $hich,  $title, $sname, $dur,
 103                            $title, $sname, $dur,  $path, $ttn, $loch, $hich);
 104     my ($mid) = $st_def_media->fetchrow_array;
 105     $st_def_media->finish;
 106
 107     $st_def_entry->execute($playlist, $index,  $mid,
 108                            $mid,  $playlist, $index);
 109     $index++;
 110   } else { die "bad line $_"; }
 111 }
 112
 113 wrap;
 114 $DB->commit; $DB->disconnect;