lib/MojoFacets/Data.pm

   1 package MojoFacets::Data;
   2
   3 use strict;
   4 use warnings;
   5
   6 use base 'Mojolicious::Controller';
   7
   8 use Data::Dump qw(dump);
   9 use File::Slurp;
  10 use Encode;
  11 use locale;
  12 use File::Find;
  13 use Storable;
  14 use Time::HiRes qw(time);
  15 use File::Path qw(mkpath);
  16 use Text::Unaccent;
  17 use Digest::MD5;
  18 use Statistics::Descriptive;
  19
  20 our $imports;
  21 foreach my $module ( glob('lib/MojoFacets/Import/*.pm') ) {
  22         $module =~ s{lib/(\w+)/(\w+)/(.*)\.pm}{$1::$2::$3};
  23         eval "use $module";
  24         die "$module: $!" if $!;
  25         my ( $ext, $priority ) = $module->ext;
  26         $imports->{$priority || 'file'}->{$ext} = $module;
  27         warn "# import $ext $module\n";
  28 }
  29
  30 warn "# import loaded ",dump( $imports );
  31
  32 sub import_module {
  33         my $full_path = shift;
  34
  35 #       warn "# import_module $full_path\n";
  36
  37         return if $full_path =~ m/\.columns$/;
  38
  39         foreach my $ext ( keys %{ $imports->{file} } ) {
  40                 if ( -f $full_path && $full_path =~ m/$ext/i ) {
  41                         return $imports->{file}->{$ext};
  42                         last;
  43                 }
  44         }
  45
  46         foreach my $ext ( keys %{ $imports->{directory} } ) {
  47                 if ( -f $full_path && $full_path =~ m/$ext/i ) {
  48                         return $imports->{directory}->{$ext};
  49                         last;
  50                 }
  51         }
  52 }
  53
  54 our $loaded;
  55 our $filters;
  56
  57 sub index {
  58         my $self = shift;
  59
  60         my $data_dir = $self->app->home->rel_dir('data');
  61         die "no data dir $data_dir" unless -d $data_dir;
  62
  63         my @files;
  64         my $changes;
  65
  66         find( sub {
  67                 my $file = $File::Find::name;
  68                 if ( -f $file && $file =~ m/([^\/]+)\.changes\/(\d+\.\d+.+)/ ) {
  69                         push @{ $changes->{$1} }, $2
  70                 } elsif ( import_module( $file ) ) {
  71                         $file =~ s/$data_dir\/*//;
  72                         push @files, $file;
  73                 } else {
  74                         #warn "IGNORE: $file\n";
  75                 }
  76         }, $data_dir);
  77
  78         no warnings qw(uninitialized); # mtime
  79         @files = sort { $loaded->{$b}->{mtime} <=> $loaded->{$a}->{mtime} || lc $a cmp lc $b } @files,
  80                         grep { defined $loaded->{$_}->{generated} } keys %$loaded;
  81
  82         my $size;
  83         $size->{$_} = -s "$data_dir/$_" foreach @files;
  84
  85         $self->render(
  86                 files => [ @files ],
  87                 size => $size,
  88                 loaded => $loaded,
  89                 filters => $filters,
  90                 dump_path => { map { $_ => $self->_dump_path($_) } @files },
  91                 changes => $changes,
  92         );
  93 }
  94
  95 sub _dump_path {
  96         my ( $self, $name ) = @_;
  97         my $dir = $self->app->home->rel_dir('data');
  98         $name =~ s/^$dir//;
  99         $name =~ s/\/+/_/g;
 100         return '/tmp/mojo_facets.' . $name . '.storable';
 101 }
 102
 103 sub _save {
 104         my ( $self, $path ) = @_;
 105
 106         my $dump_path = $self->_dump_path( $path );
 107         my $first_load = ! -e $dump_path;
 108         warn "save loaded to $dump_path";
 109         my $info = $loaded->{$path};
 110         store $info, $dump_path;
 111
 112         if ( $first_load ) {
 113                 my $mtime = $loaded->{$path}->{mtime};
 114                 utime $mtime, $mtime, $dump_path;
 115                 warn "sync time to $path at $mtime\n";
 116         }
 117
 118         warn $dump_path, ' ', -s $dump_path, " bytes\n";
 119         return $dump_path;
 120 }
 121
 122
 123 sub __stats {
 124
 125         my $stats;
 126
 127         my $nr_items = $#{ $_[0] } + 1;
 128
 129         warn "__stats $nr_items\n";
 130
 131 #       foreach my $e ( @{ $_[0] } ) {
 132         foreach my $i ( 0 .. $#{$_[0]} ) {
 133                 print STDERR " $i" if $i % 5000;
 134                 my $e = $_[0]->[$i];
 135                 foreach my $n ( keys %$e ) {
 136                         $stats->{$n}->{count}++;
 137                         my @v;
 138                         if ( ref $e->{$n} eq 'ARRAY' ) {
 139                                 $stats->{$n}->{array} += $#{ $e->{$n} } + 1;
 140                                 @v = @{ $e->{$n} };
 141                         } else {
 142                                 @v = ( $e->{$n} );
 143                         }
 144
 145                         foreach my $x ( @v ) {
 146                                 if ( ! defined $x ) { # FIXME really null
 147                                         $stats->{$n}->{empty}++;
 148                                         next;
 149                                 }
 150
 151                                 $stats->{$n}->{numeric}++
 152                                         if $x =~ m/^[-+]?([0-9]*\.[0-9]+|[0-9]+)$/;
 153                                 $stats->{$n}->{empty}++
 154                                         if length $x == 0; # faster than $x =~ m/^\s*$/;
 155                         }
 156
 157                 }
 158         }
 159
 160         foreach my $n ( keys %$stats ) {
 161                 my $s = $stats->{$n};
 162                 next unless defined $s->{array};
 163                 if ( $s->{array} == $s->{count} ) {
 164                         delete $s->{array};
 165                         if ( $s->{count} == $nr_items ) {
 166                                 warn "check $n for uniqeness\n";
 167                                 my $unique;
 168                                 foreach my $e ( @{ $_[0] } ) {
 169                                         if ( ++$unique->{ $e->{$n}->[0] } == 2 ) {
 170                                                 $unique = 0;
 171                                                 last;
 172                                         }
 173                                 }
 174                                 if ( $unique ) {
 175                                         $stats->{$n}->{unique} = 1;
 176                                         #warn "# $n unique ",dump( $unique );
 177                                 }
 178                         }
 179                 }
 180         }
 181
 182         warn "# __stats ",dump($stats);
 183
 184         return $stats;
 185 }
 186
 187 sub _param_or_session {
 188         $_[0]->param( $_[1] ) || $_[0]->session( $_[1] )
 189 }
 190
 191 sub stats {
 192         my $self = shift;
 193         my $path = $self->_param_or_session('path');
 194         warn "stats $path\n";
 195         delete $loaded->{$path}->{stats};
 196         return $self->redirect_to( '/data/columns' );
 197 }
 198
 199
 200 sub _load_path {
 201         my ( $self, $path ) = @_;
 202
 203         return if defined $loaded->{$path}->{generated};
 204
 205         my $full_path = $self->app->home->rel_file( 'data/' . $path );
 206         return $self->redirect_to('/data/index') unless -r $full_path;
 207
 208         my $dump_path = $self->_dump_path( $path );
 209
 210         if ( defined $loaded->{$path}->{data} ) {
 211                 my $mtime = (stat($full_path))[9];
 212                 return if $loaded->{$path}->{mtime} == $mtime;
 213                 warn "reload $full_path, modified ", time() - $mtime, " seconds ago\n";
 214         } elsif ( -e $dump_path ) {
 215                 warn "dump_path $dump_path ", -s $dump_path, " bytes loading...\n";
 216                 my $info = retrieve $dump_path;
 217                 $loaded->{ $path } = $info;
 218                 return;
 219         }
 220
 221         my $data;
 222         if ( my $module = import_module( $full_path ) ) {
 223                 $data = $module->new( full_path => $full_path )->data;
 224         } else {
 225                 die "can't load $full_path";
 226         }
 227
 228         my @header;
 229
 230         if ( defined $data->{header} ) {
 231                 if ( ref $data->{header} eq 'ARRAY' ) {
 232                         @header = @{ $data->{header} };
 233                 } else {
 234                         warn "header not array ", dump( $data->{header} );
 235                 }
 236         }
 237
 238         my $stats = __stats( $data->{items} );
 239
 240         @header =
 241                 sort { $stats->{$b}->{count} <=> $stats->{$a}->{count} }
 242                 grep { defined $stats->{$_}->{count} } keys %$stats
 243                 unless @header;
 244
 245         my $info = {
 246                 header => [ @header ],
 247                 stats  => $stats,
 248                 full_path => $full_path,
 249                 size => -s $full_path,
 250                 mtime => (stat($full_path))[9],
 251                 data => $data,
 252                 defined $data->{generated} ? ( generated => 1 ) : (),
 253         };
 254
 255         $loaded->{ $path } = $info;
 256         $self->_save( $path ) unless $info->{generated};
 257
 258 }
 259
 260
 261 sub load {
 262         my $self = shift;
 263
 264         my @paths = $self->param('paths');
 265         warn "# paths ", dump @paths;
 266
 267         foreach my $p ( keys %$loaded ) {
 268                 next if grep { /^\Q$p\E$/ } @paths;
 269                 warn "remove $p from memory\n";
 270                 delete $loaded->{$p};
 271         }
 272
 273         $self->_load_path( $_ ) foreach @paths;
 274
 275         my $path = $self->param('path') || $self->session('path') || $paths[0] || $self->redirect_to('/data/index');
 276
 277         warn "# path $path\n";
 278         $self->_load_path( $path );
 279
 280         $self->session( 'path' => $path );
 281
 282         my $redirect_to = '/data/items';
 283
 284         $self->session( 'header' => $loaded->{$path}->{header} );
 285         if ( ! defined $loaded->{$path}->{columns} ) {
 286                 my $columns_path = $self->_permanent_path( 'columns' );
 287                 if ( -e $columns_path ) {
 288                         my @columns = map { s/[\r\n]+$//; $_ } read_file $columns_path, binmode => ':utf8';
 289                         $loaded->{$path}->{columns} = [ @columns ];
 290                         warn "# columns_path $columns_path ",dump(@columns);
 291                 } else {
 292                         $loaded->{$path}->{columns} = $loaded->{$path}->{header}
 293                 }
 294
 295                 $redirect_to = '/data/columns';
 296         }
 297         $self->session( 'columns' => $loaded->{$path}->{columns} );
 298         $self->session( 'order'   => $loaded->{$path}->{columns}->[0] );
 299         return $self->redirect_to( $redirect_to );
 300 }
 301
 302
 303 sub _loaded {
 304         my ( $self, $name ) = @_;
 305         my $path = $self->session('path') || $self->param('path');
 306         return $self->redirect_to('/data/index') unless $path;
 307
 308         if ( defined $loaded->{$path}->{modified} && $loaded->{$path}->{modified} > 1 ) {
 309                 my $caller = (caller(1))[3];
 310                 if ( $caller =~ m/::edit/ ) {
 311                         warn "rebuild stats for $path ignored caller $caller\n";
 312                 } else {
 313                         warn "rebuild stats for $path FORCED by modified caller $caller\n";
 314 #                       $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
 315                         $loaded->{$path}->{rebuild_stats} = 1;
 316                         $loaded->{$path}->{modified} = 1;
 317                 }
 318         }
 319
 320         if ( defined $loaded->{$path}->{rebuild_stats} ) {
 321                 warn "rebuild_stats $path";
 322                 $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
 323                 delete $loaded->{$path}->{rebuild_stats};
 324         }
 325
 326         if ( ! defined $loaded->{$path}->{$name} ) {
 327                 warn "$path $name isn't loaded\n";
 328                 $self->_load_path( $path );
 329                 if ( ! defined $loaded->{$path}->{stats} ) {
 330                         warn "rebuild stats for $path\n";
 331                         $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
 332                 }
 333                 if ( ! defined $loaded->{$path}->{$name} ) {
 334                         warn "MISSING $name for $path\n";
 335                         return $self->redirect_to('/data/index')
 336                 }
 337         }
 338
 339         $self->session( 'modified' => $loaded->{$path}->{modified} );
 340
 341         return $loaded->{$path}->{$name};
 342 }
 343
 344
 345 sub _checked {
 346         my $self = shift;
 347         my $checked;
 348         $checked->{$_}++ foreach @_;
 349 #       warn "# _checked ",dump($checked);
 350         return $checked;
 351 }
 352
 353 sub _permanent_path {
 354         my $self = shift;
 355         my $path = $self->_param_or_session('path');
 356         $self->app->home->rel_dir('data') . '/' . join('.', $path, @_);
 357 }
 358
 359 sub __unac {
 360         my $n = shift;
 361         $n = unac_string('utf-8',$n);
 362         $n =~ s/\W+/_/g;
 363         return $n;
 364 }
 365
 366 sub _column_from_unac {
 367         my ($self,$name) = @_;
 368
 369         my $stats = $self->_loaded('stats');
 370         my $cols_norm = { map { __unac( $_ ) => $_ } keys %$stats };
 371
 372         $cols_norm->{$name} || die "can't find column $name in ", dump($cols_norm);
 373 }
 374
 375 sub _export_path {
 376         my $self = shift;
 377         my $path = $self->_param_or_session('path');
 378         if ( ! $path ) {
 379                 warn "no path in param or session";
 380                 return;
 381         }
 382         my $dir = $self->app->home->rel_dir('public') . "/export/$path";
 383         mkpath $dir unless -e $dir;
 384         my $name = __export_path_name( $path, @_ );
 385         my $full = $dir . '/' . $name;
 386         $full =~ s/\/+$// if -d $full; # strip trailing slash for dirs
 387         return $full;
 388 }
 389
 390 sub __export_path_name {
 391         my $max_length = 80;
 392
 393         my $path = shift;
 394         my $name = join('.', map { __unac($_) } @_ );
 395         if ( length($name) > $max_length ) {
 396                 $name = substr($name,0,$max_length) . Digest::MD5::md5_hex substr($name,$max_length);
 397         }
 398         return $name;
 399 }
 400
 401 sub columns {
 402     my $self = shift;
 403
 404         my $view_path = $self->_permanent_path( 'views' );
 405
 406         if ( $self->param('columns') ) {
 407                 my @columns = $self->_param_array('columns');
 408                 write_file( $self->_permanent_path( 'columns' ), { binmode => ':utf8' }, map { "$_\n" } @columns );
 409                 if ( my $view = $self->param('view') ) {
 410                         mkdir $view_path unless -e $view_path;
 411                         write_file( "$view_path/$view", { binmode => ':utf8' }, map { "$_\n" } @columns );
 412                         warn "view $view_path/$view ", -s "$view_path/$view", " bytes\n";
 413                 }
 414
 415                 return $self->redirect_to('/data/items');
 416
 417         } elsif ( ! $self->session('header') ) {
 418                 return $self->redirect_to('/data/load');
 419         }
 420
 421         if ( my $id = $self->param('id') ) {
 422                 my $view_full = "$view_path/$id";
 423                 if ( -f $view_full ) {
 424                         my @columns = map { chomp; $_ } read_file $view_full, binmode => ':utf8';
 425                         warn "view $view_full loaded ", dump @columns;
 426                         $self->session( 'columns' => [ @columns ] );
 427                         return $self->redirect_to('/data/items');
 428                 }
 429         }
 430
 431         my $stats = $self->_loaded( 'stats' );
 432
 433         my @columns;
 434         @columns = grep { defined $stats->{$_}->{count} } @{ $self->session('columns') } if $self->session('columns');
 435
 436         foreach my $c ( @{ $self->session( 'header' ) } ) {
 437                 push @columns, $c unless grep { /^\Q$c\E$/ } @columns;
 438         }
 439
 440         my @views;
 441         if ( -d $view_path ) {
 442                 @views = map { s{^\Q$view_path\E/*}{}; $_ } glob "$view_path/*";
 443                 warn "# views ",dump @views;
 444         }
 445
 446     $self->render(
 447                 message => 'Select columns to display',
 448                 stats => $stats,
 449                 columns => \@columns,
 450                 checked => $self->_checked( $self->_param_array('columns') ),
 451                 views => \@views,
 452         );
 453 }
 454
 455 sub _param_array {
 456     my ($self,$name) = @_;
 457
 458         my @array = $self->param($name);
 459         my $path  = $self->session('path');
 460
 461         if ( @array ) {
 462                 $self->session($name => [ @array ]);
 463                 $loaded->{$path}->{$name} = [ @array ];
 464         } elsif ( my $session = $self->session($name) ) {
 465                 if ( ref $session eq 'ARRAY' ) {
 466                         @array = @$session;
 467                 } else {
 468                         die "$name not array ",dump($session);
 469                 }
 470         }
 471         #warn "# $name ",dump @array;
 472         return @array;
 473 }
 474
 475 sub _param_scalar {
 476     my ($self,$name,$default) = @_;
 477
 478         my $scalar = $self->param($name);
 479
 480         if ( defined $scalar ) {
 481                 $self->session($name => $scalar);
 482         } else {
 483                 $scalar = $self->session($name);
 484         }
 485
 486         if ( ! defined $scalar ) {
 487                 $scalar = $default;
 488                 if ( defined $scalar ) {
 489                         $self->session($name => $scalar);
 490                 } else {
 491                         warn "no default for $name";
 492                 }
 493         }
 494
 495         warn "# _param_scalar $name ",dump $scalar;
 496         return $scalar;
 497 }
 498
 499 sub filter {
 500         my $self = shift;
 501
 502         my $name = $self->param('filter_name') || die "name?";
 503         my @vals = $self->param('filter_vals');
 504
 505         $self->_remove_filter( $name );
 506         if ( @vals ) {
 507                 $self->_filter_on_data( $name, @vals );
 508                 if ( my $permanent = $self->param('_permanent') ) {
 509                         my $permanent_path = $self->_export_path( 'filter', $name, $permanent );
 510                         write_file $permanent_path, { binmode => ':utf8' }, map { "$_\n" } @vals;
 511                         warn "permanent filter $permanent_path ", -s $permanent_path;
 512                 }
 513         }
 514
 515         $self->session( 'offset' => 0 );
 516
 517         return $self->redirect_to('/data/items');
 518 }
 519
 520 sub _filter_on_data {
 521         my ( $self, $name, @vals ) = @_;
 522
 523         my $path = $self->session('path');
 524
 525         if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
 526                 warn "filter $name not found in data set";
 527                 return;
 528         }
 529
 530         $filters->{$name} = [ @vals ];
 531         warn "_filter_on_data $name ", $#vals + 1, " values on $path\n";
 532
 533         my $filter_hash;
 534         $filter_hash->{$_}++ foreach @vals;
 535
 536         #warn "# filter_hash ",dump( $filter_hash );
 537
 538         my $items = $self->_loaded('data')->{items};
 539
 540         my $include_missing = defined $filter_hash->{_missing};
 541         my $filtered_items;
 542
 543         foreach my $i ( 0 .. $#$items ) {
 544
 545                 if ( defined $items->[$i]->{$name} ) {
 546                         my $row = $items->[$i]->{$name};
 547                         $row = [ $row ] unless ref $row eq 'ARRAY'; # FIXME probably wrong place
 548                         foreach my $v ( @$row ) {
 549                                 if ( defined $filter_hash->{ $v } ) {
 550                                         $filtered_items->{$i}++;
 551                                 }
 552                         }
 553                 } elsif ( $include_missing ) {
 554                         $filtered_items->{$i}++;
 555                 }
 556         }
 557
 558         #warn "# filter $name ",dump($filtered_items);
 559
 560         # invalidate filters on other datasets
 561         foreach my $dataset ( grep { exists $loaded->{$_}->{filters}->{$name} } keys %$loaded ) {
 562                 delete $loaded->{$dataset}->{filters}->{$name};
 563                 delete $loaded->{$dataset}->{filtered};
 564         }
 565
 566         $loaded->{$path}->{filters}->{$name} = $filtered_items;
 567         warn "filter $name with ", scalar keys %$filtered_items, " items created\n";
 568 }
 569
 570
 571 sub _current_filters {
 572         my $self = shift;
 573         my $current_filters;
 574         my $stats = $self->_loaded('stats');
 575
 576         $current_filters->{ $_ } = $filters->{ $_ }
 577                 foreach ( grep { defined $filters->{ $_ } } keys %$stats )
 578         ;
 579         warn "# _current_filters ",dump( keys %$current_filters );
 580         return $current_filters;
 581 }
 582
 583 sub _data_sorted_by {
 584         my ( $self, $order ) = @_;
 585
 586         my $path = $self->session('path');
 587
 588         warn "_data_sorted_by $order from $path";
 589
 590         if ( defined $loaded->{$path}->{sorted}->{$order} ) {
 591                 return $loaded->{$path}->{sorted}->{$order};
 592         }
 593
 594         my $data = $self->_loaded( 'data' );
 595         my $numeric = $self->_is_numeric($order);
 596         my $missing = $numeric ? 0 : '';
 597         no warnings qw(numeric);
 598         my $nr = 0;
 599         my @sorted = map {
 600                 $_->[0]
 601         } sort {
 602                 if ( $numeric ) {
 603                         $a->[1] <=> $b->[1]
 604                 } else {
 605                         $a->[1] cmp $b->[1]
 606                 }
 607         } map {
 608                 my $v;
 609                 if ( ! exists $_->{$order} ) {
 610                         $v = $missing;
 611                 } elsif ( ref $_->{$order} eq 'ARRAY' ) {
 612                         $v = join('', @{$_->{$order}});
 613                 } else {
 614                         $v = $_->{$order};
 615                 }
 616                 [ $nr++, $v ]
 617         } @{ $data->{items} }
 618         ;
 619
 620         warn "sorted: $order numeric: $numeric items: ", $#sorted + 1, "\n";
 621         #warn "# sorted ",dump( @sorted );
 622
 623         $loaded->{$path}->{sorted}->{$order} = [ @sorted ];
 624 }
 625
 626
 627 sub __all_filters {
 628         my $order = pop @_;
 629         join(',', sort(@_), 'order', $order);
 630 }
 631
 632 our ($out, $key,$value);
 633
 634 our $lookup_path_col;
 635 our $on;
 636
 637 sub __commit_begin {
 638         warn "__commit_begin";
 639         $lookup_path_col = undef;
 640         $on = undef;
 641 }
 642
 643 sub __commit_end {
 644         warn "__commit_end";
 645         $lookup_path_col = undef; # cleanup memory
 646         $on = undef;
 647 }
 648
 649 sub lookup {
 650         warn "# lookup ",dump @_;
 651         my ( $vals, $on_path, $on_col, $code, $stat_code ) = @_;
 652         die "code is not sub{ ... } but ", dump $code unless ref $code eq 'CODE';
 653
 654         if ( ! exists $loaded->{$on_path} ) {
 655                 my @possible_paths = grep { /\Q$on_path\E/ } keys %$loaded;
 656                 die "more than one dataset available for '$on_path' ",dump @possible_paths if $#possible_paths > 0;
 657                 $on_path = shift @possible_paths;
 658                 warn "## fuzzy selected path $on_path";
 659         }
 660
 661         my $items = $loaded->{$on_path}->{data}->{items} || die "no items for $on_path";
 662
 663         if ( ! exists $lookup_path_col->{$on_path}->{$on_col} ) {
 664                 warn "create lookup_path_col $on_path $on_col";
 665                 foreach my $i ( 0 .. $#$items ) {
 666                         my $item = $items->[$i];
 667                         if ( exists $item->{$on_col} ) {
 668                                 if ( ref $item->{$on_col} eq 'ARRAY' ) {
 669                                         foreach my $v ( @{ $item->{$on_col} } ) {
 670                                                 push @{ $lookup_path_col->{$on_path}->{$on_col}->{$v} }, $i;
 671                                         }
 672                                 } elsif ( ! ref $item->{$on_col} ) { # scalar
 673                                         my $v = $item->{$on_col};
 674                                         push @{ $lookup_path_col->{$on_path}->{$on_col}->{$v} }, $i;
 675                                 } else {
 676                                         die "unknown type of ",dump $item->{$on_col};
 677                                 }
 678                         }
 679                 }
 680                 warn "XXX ",dump $lookup_path_col->{$on_path}->{$on_col} if $ENV{DEBUG};
 681         }
 682
 683         my $stat;
 684         $stat = Statistics::Descriptive::Full->new() if $stat_code;
 685
 686         foreach my $v ( ref $vals eq 'ARRAY' ? @$vals : ( $vals ) ) {
 687                 foreach my $i ( @{ $lookup_path_col->{$on_path}->{$on_col}->{$v} } ) {
 688                         $on = $items->[$i];
 689                         warn "XXX lookup code $v $i ",dump $on if $ENV{DEBUG};
 690                         $code->($stat);
 691                 }
 692                 $stat_code->( $stat ) if $stat_code;
 693         }
 694 }
 695
 696 sub __commit_path_code {
 697         my ( $path, $i, $code, $commit_changed ) = @_;
 698
 699         my $items = $loaded->{$path}->{data}->{items} || die "no items for $path";
 700         my $row = $items->[$i];
 701         my $update;
 702         eval $code;
 703         foreach ( keys %$update ) {
 704                 $$commit_changed->{$_}++;
 705                 $loaded->{$path}->{data}->{items}->[$i]->{$_} = $update->{$_};
 706         }
 707         #warn "__commit_path_code $path $i ",dump( $update );
 708 }
 709
 710 # uses templates/admin.html.ep
 711 sub _switch_dataset {
 712         my $self = shift;
 713
 714         my $datasets;
 715
 716         foreach my $path ( keys %$loaded ) {
 717                 next unless exists $loaded->{$path}->{data};
 718                 push @$datasets, $path;
 719         }
 720
 721         warn "# datasets ",dump($datasets);
 722
 723         $self->stash( 'datasets' => $datasets );
 724 }
 725
 726 sub items {
 727         my $self = shift;
 728
 729         $self->_switch_dataset;
 730
 731         if ( my $show = $self->param('id') ) {
 732                 $self->param('show', $show);
 733                 warn "show $show\n";
 734         }
 735
 736         my $path = $self->_param_scalar('path');
 737
 738         my @columns = $self->_param_array('columns');
 739         return $self->redirect_to('/data/columns') unless @columns;
 740         my $order   = $self->_param_scalar('order', $columns[0]);
 741         my $sort    = $self->_param_scalar('sort', 'a');
 742         my $offset  = $self->_param_scalar('offset', 0);
 743         my $limit   = $self->_param_scalar('limit', 20);
 744         $self->_param_scalar('show', 'table');
 745
 746         # fix offset when changing limit
 747         $offset = int( $offset / $limit ) * $limit;
 748
 749         if ( ! grep { /^\Q$order\E$/ } @columns ) {
 750                 $order = $columns[0];
 751                 $self->session( order => $order );
 752         }
 753         my $sorted = $self->_data_sorted_by( $order );
 754
 755         my @filter_names;
 756         if ( $filters ) {
 757                 foreach my $name ( keys %$filters ) {
 758                         if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
 759                                 warn "skip filter $name not found in $path\n";
 760                                 next;
 761                         }
 762                         push @filter_names, $name;
 763                 }
 764                 warn "filter_names ",dump( @filter_names );
 765                 foreach my $name ( @filter_names ) {
 766                         next if ref $loaded->{$path}->{filters}->{$name} eq 'ARRAY';
 767                         $self->_filter_on_data( $name, @{ $filters->{$name} } );
 768                 }
 769         }
 770
 771         my $all_filters = __all_filters( @filter_names,$order );
 772
 773 #       warn "# all_filters $all_filters ", dump( $loaded->{$path}->{filtered}->{$all_filters} );
 774
 775         if ( ! defined $loaded->{$path}->{filtered}->{$all_filters} ) {
 776
 777                 my $path_filters = $loaded->{$path}->{filters};
 778
 779                 warn "create combined filter for $all_filters from ", $#$sorted + 1, " items\n";
 780
 781                 my @filtered;
 782                 foreach my $i ( 0 .. $#$sorted ) {
 783                         my $pos = $sorted->[$i];
 784
 785                         if ( $#filter_names == -1 ) {
 786                                 push @filtered, $pos;
 787                                 next;
 788                         }
 789
 790                         my $skip = 0;
 791                         foreach ( @filter_names ) {
 792                                 $skip ||= 1 if ! defined $path_filters->{$_}->{$pos};
 793                         }
 794                         next if $skip;
 795
 796                         push @filtered, $pos;
 797                 }
 798
 799                 $loaded->{$path}->{filtered}->{$all_filters} = [ @filtered ];
 800         }
 801
 802         my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
 803                 if defined $loaded->{$path}->{filtered}->{$all_filters};
 804
 805         warn "all_filters $all_filters produced ", $#$filtered + 1, " items\n" if $filtered;
 806
 807         my $data = $self->_loaded('data');
 808
 809         my $code = $self->_param_scalar('code','');
 810         $code =~ s{\r}{}gs;
 811         $code =~ s{\n+$}{\n}s;
 812
 813         # XXX convert @row->{foo} into @{$row->{foo}}
 814         $code =~ s|\@(row->{[^}]+})|\@{\$$1}|gs;
 815
 816         my $commit = $self->param('commit');
 817         my $test = $self->param('test');
 818
 819         my $commit_changed;
 820         __commit_begin;
 821
 822         if ( $code && ( $test || $commit ) ) {
 823                 # XXX find columns used in code snippet and show them to user
 824                 my $order = 0;
 825                 foreach my $column ( $code =~ m/\$row->{([^}]+)}/g ) {
 826                         if ( $column =~ s/^(['"])// ) {
 827                                 $column =~ s/$1$//;
 828                         }
 829                         next if $column =~ m/\$/; # hide columns with vars in them
 830                         $commit_changed->{$column} = 0;
 831                 }
 832         }
 833
 834         my $code_path = $self->app->home->rel_dir('public') . "/code";
 835         if ( $commit ) {
 836
 837                 __path_modified( $path, 'commit' );
 838
 839                 warn "# commit on ", $#$filtered + 1, " items:\n$code\n";
 840                 ( $key, $value, $out ) = ( 'key', 'value' );
 841                 foreach ( 0 .. $#$filtered ) {
 842                         my $i = $filtered->[$_];
 843                         __commit_path_code( $path, $i, $code, \$commit_changed );
 844                 }
 845
 846                 # this might move before $out to recalculate stats on source dataset?
 847                 __path_rebuild_stats( $path );
 848                 my $c = { map { $_ => 1 } @columns };
 849                 my @added_columns = sort grep { ! $c->{$_} } keys %$commit_changed;
 850                 warn "# added_columns ",dump( @added_columns );
 851                 unshift @columns, @added_columns;
 852
 853                 $loaded->{$path}->{columns} = [ @columns ];
 854                 warn "# new columns ",dump( @columns );
 855
 856                 __invalidate_path_column( $path, $_ ) foreach keys %$commit_changed;
 857
 858                 $self->_save_change({
 859                         path => $path,
 860                         time => $self->param('time') || time(),
 861                         user => $self->param('user') || $ENV{'LOGNAME'},
 862                         code => $code,
 863                         commit_changed => $commit_changed,
 864                 });
 865
 866                 if ( my $description = $self->param('code_description') ) {
 867                         my $depends = $self->param('code_depends') || die "no code_depends?";
 868                         my $path = "$code_path/$depends.$description.pl";
 869                         if ( -e $path && ! $self->param('overwrite') ) {
 870                                 warn "# code $path not saved\n";
 871                         } else {
 872                                 write_file(  $path, { binmode => ':utf8' }, "$code\n" );
 873                                 warn "code $path ", -s $path, " bytes saved\n";
 874                         }
 875                 }
 876
 877                 # remove console
 878                 $code = '';
 879                 if ( $out ) {
 880                         my $commit_dataset = join('.'
 881                                 , $self->param('code_depends')
 882                                 , $self->param('code_description')
 883                                 , time()
 884                         );
 885                         $key ||= 'key';
 886                         $value ||= 'value';
 887                         warn "key $key value $value";
 888                         my $items;
 889                         foreach my $n ( keys %$out ) {
 890                                 my $i = { $key => [ $n ] };
 891                                 my $ref = ref $out->{$n};
 892                                 if ( $ref eq 'HASH' ) {
 893                                         $i->{$_} = [ $out->{$n}->{$_} ] foreach keys %{ $out->{$n} };
 894                                 } elsif ( $ref eq 'ARRAY' ) {
 895                                         $i->{$_} = $out->{$n};
 896                                 } elsif ( ! $ref ) {
 897                                         $i->{$value} = [ $out->{$n} ];
 898                                 } else {
 899                                         $i->{_error} = [ dump($out->{$n}) ];
 900                                 }
 901                                 push @$items, $i;
 902                         };
 903                         undef $out;
 904                         my $stats = __stats( $items );
 905                         my @columns = grep { ! m/^\Q$key\E$/ } sort keys %$stats;
 906                         unshift @columns, $key;
 907
 908                         $loaded->{$commit_dataset} = {
 909                                 header => [ @columns ],
 910                                 columns => [ @columns ],
 911                                 mtime => time(),
 912                                 data => { items => $items },
 913                                 stats => $stats,
 914                                 generated => 1,
 915                         };
 916                         warn "# loaded out ", dump( $loaded->{$commit_dataset} );
 917                         $self->session('path', $commit_dataset);
 918                         $self->session('columns', [ @columns ]);
 919                         $self->session('order', $key);
 920                         return $self->redirect_to('/data/items');
 921                 }
 922
 923                 $self->session('columns', [ @columns ]);
 924         }
 925
 926         my $sorted_items;
 927         my $from_end = $sort eq 'd' ? $#$filtered : 0;
 928         my $test_changed;
 929         my ( $key, $value, $out ) = ( 'key', 'value' ); # XXX make local
 930         foreach ( 0 .. $limit ) {
 931                 my $i = $_ + $offset;
 932                 last unless defined $filtered->[$i];
 933                 $i = $from_end - $i if $from_end;
 934                 my $id = $filtered->[$i];
 935                 my $row = Storable::dclone $data->{items}->[ $id ];
 936                 if ( $code && $test ) {
 937                         my $update;
 938                         eval $code;
 939                         if ( $@ ) {
 940                                 warn "ERROR evaling $@", dump($code);
 941                                 $self->stash('eval_error', $@) if $@;
 942                         } else {
 943                                 warn "EVAL ",dump($update);
 944                                 foreach ( keys %$update ) {
 945                                         $test_changed->{$_}++;
 946                                         $row->{$_} = $update->{$_};
 947                                 }
 948                         }
 949                 }
 950                 $row->{_row_id} ||= $id;
 951                 push @$sorted_items, $row;
 952         }
 953
 954         if ( $self->param('export') ) {
 955                 my $export_path = $self->_export_path( 'items', @columns);
 956                 open(my $fh, '>', $export_path) || die "ERROR: can't open $export_path: $!";
 957                 print $fh "#",join("\t",@columns),"\n";
 958                 foreach my $f ( 0 .. $#$filtered ) {
 959                         print $fh join("\t", map {
 960                                 my $i = $data->{items}->[ $filtered->[$f] ];
 961                                 my $v = '\N';
 962                                 if ( ! defined $i->{$_} ) {
 963                                         # nop
 964                                 } elsif ( ref $i->{$_} eq 'ARRAY' ) {
 965                                         $v =join(',', @{ $i->{$_} });
 966                                         $v = '\N' if length($v) == 0;
 967                                 } elsif ( ! ref $i->{$_} ) {
 968                                         $v = $i->{$_};
 969                                 } else {
 970                                         $v = dump $i->{$_};
 971                                 }
 972                                 $v;
 973                         } @columns),"\n";
 974                 }
 975                 close($fh);
 976                 warn "export $export_path ", -s $export_path, " bytes\n";
 977         }
 978
 979         my ( $code_depends, $code_description );
 980
 981         if ( $test ) {
 982
 983                 warn "# test_changed ",dump( $test_changed );
 984                 my $c = { map { $_ => 1 } @columns };
 985                 my @added_columns = sort grep { ! $c->{$_} } keys %$test_changed;
 986                 unshift @columns, @added_columns;
 987
 988                 warn "# sorted_items ", $#$sorted_items + 1, " offset $offset limit $limit order $sort";
 989
 990                 my $depends_on;
 991                 my $tmp = $code; $tmp =~ s/\$row->{(['"]?)([\w\s]+)\1/$depends_on->{$2}++/gse;
 992                 warn "# depends_on ",dump $depends_on;
 993
 994                 my $test_added = Storable::dclone $test_changed;
 995                 delete $test_added->{$_} foreach keys %$depends_on;
 996
 997                 $code_depends = $self->param('code_depends')
 998                 || join(',', keys %$depends_on);
 999
1000                 $code_description = $self->param('code_description') ||
1001                 join(',', keys %$test_added);
1002
1003                 $code_depends ||= $code_description; # self-modifing
1004                 if ( ! $code_depends && $out ) {
1005                         $code_depends = $key;
1006                         $code_description = $value;
1007                 }
1008
1009                 warn "# test_changed ",dump( $test_changed, $code_depends, $code_description );
1010
1011         } # test?
1012
1013         __commit_end;
1014
1015         $self->render(
1016                 order => $order,
1017                 offset => $offset,
1018                 limit => $limit,
1019                 sorted => $sorted_items,
1020                 columns => [ @columns ],
1021                 rows => $#$filtered + 1,
1022                 numeric => { map { $_, $self->_is_numeric($_) } @columns },
1023                 unique  => { map { $_, $self->_is_unique( $_) } @columns },
1024                 filters => $self->_current_filters,
1025                 code => $code,
1026                 cols_changed => $commit ? $commit_changed : $test_changed,
1027                 code_depends => $code_depends,
1028                 code_description => $code_description,
1029                 code_path => $code_path,
1030                 out => $out,
1031         );
1032
1033 }
1034
1035
1036 sub order {
1037         my $self = shift;
1038         $self->session('order', $self->param('order'));
1039         $self->session('sort', $self->param('sort'));
1040         return $self->redirect_to('/data/items');
1041 }
1042
1043 sub _is_numeric {
1044         my ( $self, $name ) = @_;
1045
1046         my $stats = $self->_loaded( 'stats' );
1047
1048         # sort facet numerically if more >50% elements are numeric
1049         my $count = $stats->{$name}->{count};
1050         $count   -= $stats->{$name}->{empty} if defined $stats->{$name}->{empty};
1051         defined $stats->{$name}->{numeric} &&
1052                 $stats->{$name}->{numeric} > $count / 2;
1053 }
1054
1055 sub _is_unique {
1056         my ( $self, $name ) = @_;
1057         my $stats = $self->_loaded( 'stats' );
1058         defined $stats->{$name}->{unique};
1059 }
1060
1061 sub _remove_filter {
1062         my ($self,$name) = @_;
1063         warn "_remove_filter $name\n";
1064
1065         my $path = $self->session('path');
1066
1067         delete $filters->{$name};
1068         delete $loaded->{$path}->{filters}->{$name};
1069         warn "filters left: ", keys %{ $loaded->{$path}->{filters} };
1070
1071         foreach (
1072                         grep { /\Q$name\E/ }
1073                         keys %{ $loaded->{$path}->{filtered} }
1074         ) {
1075                 delete $loaded->{$path}->{filtered}->{$_};
1076                 warn "remove filtered cache $_";
1077         }
1078 }
1079
1080 sub facet {
1081         my $self = shift;
1082
1083         my $path = $self->session('path') || return $self->redirect_to( '/data/index' );
1084
1085         if ( my $name = $self->param('remove') ) {
1086                 $self->_remove_filter( $name );
1087                 return $self->redirect_to( '/data/items' );
1088         }
1089
1090         my $facet;
1091         my $name = $self->param('name') || die "no name";
1092
1093         my $all = $self->_param_scalar('all', 1);
1094         my $data = $self->_loaded('data');
1095
1096         my $filters = $self->_current_filters;
1097         my $all_filters = __all_filters( keys %$filters,$self->session('order') );
1098         my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
1099                 if defined $loaded->{$path}->{filtered}->{$all_filters};
1100
1101         if ( ! $filtered || $all ) {
1102                 $filtered = [ 0 .. $#{ $data->{items} } ];
1103                 warn "filter all values\n";
1104         } else {
1105                 warn "filter using $all_filters\n";
1106         }
1107
1108         foreach my $i ( @$filtered ) {
1109                 my $item = $data->{items}->[$i];
1110                 if ( ! exists $item->{$name} || ! defined $item->{$name} ) {
1111                         $facet->{ _missing }++;
1112                 } elsif ( ref $item->{$name} eq 'ARRAY' ) {
1113                         $facet->{$_}++ foreach @{ $item->{$name} };
1114                 } else {
1115                         $facet->{ $item->{$name} }++;
1116                 }
1117         }
1118
1119         my $checked_values = $self->_checked( @{ $filters->{$name} } ) if defined $filters->{$name};
1120
1121         if ( my $code = $self->param('code') ) {
1122                 my $out;
1123                 foreach my $value ( keys %$facet ) {
1124                         my $count = $facet->{$value};
1125                         my $checked = $checked_values->{$value};
1126                         eval $code;
1127                         if ( $@ ) {
1128                                 $out = $@;
1129                                 warn "ERROR: $@\n$code\n";
1130                                 last;
1131                         } elsif ( $checked != $checked_values->{$value} ) {
1132                                 warn "checked $value $count -> $checked\n";
1133                                 $checked_values->{$value} = $checked;
1134                         }
1135                 }
1136                 warn "out ",dump( $out );
1137                 $self->stash( out => $out );
1138         }
1139
1140 #       warn "# facet $name ",dump $facet;
1141
1142         my @facet_names =
1143                   $all                      ? keys %$facet
1144                 : defined $filters->{$name} ? @{ $filters->{$name} }
1145                 : keys %$facet;
1146
1147         my $numeric = $self->_is_numeric($name);
1148
1149         my $sort = $self->param('sort');
1150         # sort numeric facets with more than 5 values ascending
1151         $sort ||= $numeric && $#facet_names > 4 ? 'a' : 'c';
1152
1153         @facet_names = sort {
1154                 my $result;
1155                 if ( $sort eq 'a' ) {
1156                         $result = $numeric ? $a <=> $b : lc $a cmp lc $b;
1157                 } elsif ( $sort eq 'd' ) {
1158                         $result = $numeric ? $b <=> $a : lc $b cmp lc $a;
1159                 } elsif ( $sort eq 'c' ) {
1160                         $result = ( $facet->{$b} || -1 ) <=> ( $facet->{$a} || -1 )
1161                 } else {
1162                         warn "unknown sort: $sort";
1163                         $result = $a cmp $b;
1164                 }
1165                 $result = $a cmp $b unless defined $result; # FIXME cludge for numeric facets with invalid data
1166                 $result;
1167         } @facet_names;
1168
1169         $self->render( name => $name, facet => $facet, checked => $checked_values,
1170                 facet_names => \@facet_names, sort => $sort, numeric => $numeric,
1171         );
1172 }
1173
1174
1175 sub __invalidate_path_column {
1176         my ( $path, $name ) = @_;
1177
1178         if ( defined $loaded->{$path}->{sorted}->{$name} ) {
1179                 delete $loaded->{$path}->{sorted}->{$name};
1180                 warn "# invalidate $path sorted $name\n";
1181         }
1182
1183         foreach ( grep { m/\Q$name\E/ } keys %{ $loaded->{$path}->{filtered} } ) {
1184                 delete $loaded->{$path}->{filtered}->{$_};
1185                 warn "# invalidate $path filtered $_\n";
1186         }
1187 }
1188
1189 sub __path_modified {
1190         my ( $path, $value ) = @_;
1191         $value = 1 unless defined $value;
1192
1193         $loaded->{$path}->{modified}  = $value;
1194
1195         warn "# __path_modified $path $value\n";
1196 }
1197
1198 sub __path_rebuild_stats { $loaded->{ $_[0] }->{rebuild_stats} = 1 };
1199
1200 sub _save_change {
1201         my ($self,$change) = @_;
1202
1203         my $change_path = $self->_permanent_path( 'changes' );
1204         mkdir $change_path unless -d $change_path;
1205         $change_path .= '/' . $change->{time};
1206         store $change, $change_path;
1207         utime $change->{time}, $change->{time}, $change_path;
1208         warn "_save_change $change_path ", dump($change);
1209 }
1210
1211 sub edit {
1212         my $self = shift;
1213         my $new_content = $self->param('new_content');
1214         $new_content  ||= $self->param('content'); # backward compatibility with old actions
1215
1216         my $i = $self->param('_row_id');
1217         die "invalid _row_id ",dump($i) unless $i =~ m/^\d+$/;
1218         my $path = $self->param('path') || die "no path";
1219         my $name = $self->param('name') || die "no name";
1220         my $status = 200; # 200 = OK, 201 = Created
1221
1222         my $data = $self->_loaded('data');
1223
1224         if ( defined $loaded->{$path}->{data}->{items}->[$i] ) {
1225                 $new_content =~ s/^\s+//s;
1226                 $new_content =~ s/\s+$//s;
1227                 my $v;
1228                 if ( $new_content =~ /\xB6/ ) { # para
1229                         $v = [ split(/\s*\xB6\s*/, $new_content) ];
1230                 } else {
1231                         $v = [ $new_content ];
1232                 }
1233
1234                 my $old = dump $loaded->{$path}->{data}->{items}->[$i]->{$name};
1235                 my $new = dump $v;
1236                 if ( $old ne $new
1237                         && ! ( $old eq 'undef' && length($new_content) == 0 ) # new value empty, previous undef
1238                 ) {
1239                         $self->_save_change({
1240                                 path => $path,
1241                                 column => $name,
1242                                 pos => $i,
1243                                 old => $loaded->{$path}->{data}->{items}->[$i]->{$name},
1244                                 new => $v,
1245                                 time => $self->param('time') || time(),
1246                                 user => $self->param('user') || $ENV{'LOGNAME'},
1247                                 unique => {
1248                                         map { $_ => $loaded->{$path}->{data}->{items}->[$i]->{$_}->[0] }
1249                                         grep { defined $loaded->{$path}->{stats}->{$_}->{unique} }
1250                                         keys %{ $loaded->{$path}->{stats} }
1251                                 },
1252                         });
1253
1254                         warn "# change $path $i $old -> $new\n";
1255                         $loaded->{$path}->{data}->{items}->[$i]->{$name} = $v;
1256
1257                         __invalidate_path_column( $path, $name );
1258
1259                         $status = 201; # created
1260                         __path_rebuild_stats( $path );
1261
1262                         $new_content = join("\xB6",@$v);
1263
1264                 } else {
1265                         warn "# unchanged $path $i $old\n";
1266                         $status = 304;
1267                 }
1268         } else {
1269                 $new_content = "$path $i $name doesn't exist\n";
1270                 $status = 404;
1271         }
1272
1273         warn "# edit $status ", dump $new_content;
1274
1275         $self->render(
1276                 status => $status,
1277                 new_content => scalar $new_content,
1278         );
1279 }
1280
1281
1282 sub save {
1283         my $self = shift;
1284         my $path = $self->_param_or_session('path');
1285         my $dump_path = $self->_save( $path );
1286         __path_modified( $path, 0 );
1287
1288         return $self->redirect_to( '/data/items' );
1289 }
1290
1291 sub export {
1292         my $self = shift;
1293
1294         my $dir = $self->app->home->rel_dir('public');
1295
1296         if ( my $import = $self->param('import') ) {
1297
1298                 if ( $import =~ m{/filter\.(.+?)\..+} ) {
1299                         my $name = $self->_column_from_unac( $1 );
1300
1301                         my @vals = map { chomp; $_ }
1302                                 read_file "$dir/export/$import", binmode => ':utf8';
1303
1304                         $self->_remove_filter( $name );
1305                         $self->_filter_on_data( $name, @vals );
1306                         $self->session( 'offset' => 0 );
1307                         return $self->redirect_to('/data/items');
1308                 } else {
1309                         warn "UNKNOWN IMPORT $import";
1310                 }
1311         }
1312
1313         if ( my $remove = $self->param('remove') ) {
1314                 my $path = "$dir/export/$remove";
1315                 unlink $path if -e $path;
1316                 $path .= '.png';
1317                 unlink $path if -e $path;
1318         }
1319
1320         my $path = $self->_export_path || return $self->redirect_to('/data/index');
1321
1322         my @files = grep { ! /\.png$/ } glob "$path/*";
1323         my $mtime = { map { $_ => (stat($_))[9] } @files };
1324         @files = sort { $mtime->{$b} <=> $mtime->{$a} } @files;
1325         $self->render( export => [ @files ] );
1326 }
1327
1328 sub __loaded_paths {
1329         return
1330                 grep { defined $loaded->{$_}->{data} }
1331                 keys %$loaded;
1332 }
1333
1334 sub reload {
1335         my $self = shift;
1336         $self->stash( reload => 1 );
1337         $self->remove;
1338 #       $self->_load_path( $self->param('path') );
1339         $self->redirect_to('/data/load?path=' . $self->param('path') );
1340 }
1341
1342 sub remove {
1343         my $self = shift;
1344         my $path = $self->param('path');
1345         if ( $path =~ m{^/tmp/mojo_facets\.} ) {
1346                 unlink $path;
1347                 warn "# unlink $path";
1348                 if ( my $name = $self->param('name') ) {
1349                         delete $loaded->{$name};
1350                         warn "# remove $name from memory";
1351                 }
1352         } else {
1353                 warn "WARNING: $path unlink ignored";
1354         }
1355         return if $self->stash('reload');
1356         return $self->redirect_to( '/data/load' );
1357 }
1358
1359 1;