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); # broken with Mojo::JSON, see https://rt.cpan.org/Public/Bug/Display.html?id=86592
   9 use Data::Dumper;
  10 use subs 'dump';
  11 sub dump { Dumper(@_) };
  12
  13 use File::Slurp;
  14 use Encode;
  15 use locale;
  16 use File::Find;
  17 use Storable;
  18 use Time::HiRes qw(time);
  19 use File::Path qw(mkpath);
  20 use Text::Unaccent::PurePerl;
  21 use Digest::MD5;
  22 use Statistics::Descriptive;
  23
  24 our $imports;
  25 foreach my $module ( glob('lib/MojoFacets/Import/*.pm') ) {
  26         $module =~ s{lib/(\w+)/(\w+)/(.*)\.pm}{$1::$2::$3};
  27         eval "use $module";
  28         die "$module: $!" if $!;
  29         my ( $ext, $priority ) = $module->ext;
  30         $imports->{$priority || 'file'}->{$ext} = $module;
  31         warn "# import $ext $module\n";
  32 }
  33
  34 warn "# import loaded ",dump( $imports );
  35
  36 sub import_module {
  37         my $full_path = shift;
  38
  39 #       warn "# import_module $full_path\n";
  40
  41         return if $full_path =~ m/\.columns$/;
  42
  43         foreach my $ext ( keys %{ $imports->{file} } ) {
  44                 if ( -f $full_path && $full_path =~ m/$ext/i ) {
  45                         return $imports->{file}->{$ext};
  46                         last;
  47                 }
  48         }
  49
  50         foreach my $ext ( keys %{ $imports->{directory} } ) {
  51                 if ( -f $full_path && $full_path =~ m/$ext/i ) {
  52                         return $imports->{directory}->{$ext};
  53                         last;
  54                 }
  55         }
  56 }
  57
  58 our $loaded;
  59 our $filters;
  60
  61 sub index {
  62         my $self = shift;
  63
  64         my $data_dir = $self->app->home->rel_file('data');
  65         die "no data dir $data_dir" unless -d $data_dir;
  66
  67         my @files;
  68         my $changes;
  69
  70         find( sub {
  71                 my $file = $File::Find::name;
  72                 if ( -f $file && $file =~ m/([^\/]+)\.changes\/(\d+[\.,]\d+.+)/ ) {
  73                         push @{ $changes->{$1} }, $2
  74                 } elsif ( import_module( $file ) ) {
  75                         my $mtime = (stat($file))[9]; # mtime
  76                         $file =~ s/$data_dir\/*//;
  77                         push @files, $file;
  78                         $loaded->{$file}->{mtime} ||= $mtime;
  79                 } else {
  80                         #warn "IGNORE: $file\n";
  81                 }
  82         }, $data_dir);
  83
  84         no warnings qw(uninitialized); # mtime
  85         @files = sort { $loaded->{$b}->{mtime} <=> $loaded->{$a}->{mtime} || lc $a cmp lc $b } @files,
  86                         grep { defined $loaded->{$_}->{generated} } keys %$loaded;
  87
  88         my $size;
  89         $size->{$_} = -s "$data_dir/$_" foreach @files;
  90
  91         $self->render(
  92                 files => [ @files ],
  93                 size => $size,
  94                 loaded => $loaded,
  95                 filters => $filters,
  96                 dump_path => { map { $_ => $self->_dump_path($_) } @files },
  97                 changes => $changes,
  98         );
  99 }
 100
 101 sub _dump_path {
 102         my ( $self, $name ) = @_;
 103         my $dir = $self->app->home->rel_file('data');
 104         $name =~ s/^$dir//;
 105         $name =~ s/\/+/_/g;
 106         return '/tmp/mojo_facets.' . $name . '.storable';
 107 }
 108
 109 sub _save {
 110         my ( $self, $path ) = @_;
 111
 112         my $dump_path = $self->_dump_path( $path );
 113         my $first_load = ! -e $dump_path;
 114         warn "save loaded to $dump_path";
 115         my $info = $loaded->{$path};
 116         store $info, $dump_path;
 117
 118         if ( $first_load ) {
 119                 my $mtime = $loaded->{$path}->{mtime};
 120                 utime $mtime, $mtime, $dump_path;
 121                 warn "sync time to $path at $mtime\n";
 122         }
 123
 124         warn $dump_path, ' ', -s $dump_path, " bytes\n";
 125         return $dump_path;
 126 }
 127
 128
 129 sub __stats {
 130
 131         my $stats;
 132
 133         my $nr_items = $#{ $_[0] } + 1;
 134
 135         warn "__stats $nr_items\n";
 136
 137 #       foreach my $e ( @{ $_[0] } ) {
 138         foreach my $i ( 0 .. $#{$_[0]} ) {
 139                 print STDERR " $i" if $i % 5000;
 140                 my $e = $_[0]->[$i];
 141                 foreach my $n ( keys %$e ) {
 142                         $stats->{$n}->{count}++;
 143                         my @v;
 144                         if ( ref $e->{$n} eq 'ARRAY' ) {
 145                                 $stats->{$n}->{array} += $#{ $e->{$n} } + 1;
 146                                 @v = @{ $e->{$n} };
 147                         } else {
 148                                 @v = ( $e->{$n} );
 149                         }
 150
 151                         foreach my $x ( @v ) {
 152                                 if ( ! defined $x ) { # FIXME really null
 153                                         $stats->{$n}->{empty}++;
 154                                         next;
 155                                 }
 156
 157                                 $stats->{$n}->{numeric}++
 158                                         if $x =~ m/^[-+]?([0-9]*\.[0-9]+|[0-9]+)$/;
 159                                 $stats->{$n}->{empty}++
 160                                         if length $x == 0; # faster than $x =~ m/^\s*$/;
 161                         }
 162
 163                 }
 164         }
 165
 166         foreach my $n ( keys %$stats ) {
 167                 my $s = $stats->{$n};
 168                 next unless defined $s->{array};
 169                 if ( $s->{array} == $s->{count} ) {
 170                         delete $s->{array};
 171                         if ( $s->{count} == $nr_items ) {
 172                                 warn "check $n for uniqeness\n";
 173                                 my $unique;
 174                                 foreach my $e ( @{ $_[0] } ) {
 175                                         if ( ++$unique->{ $e->{$n}->[0] } == 2 ) {
 176                                                 $unique = 0;
 177                                                 last;
 178                                         }
 179                                 }
 180                                 if ( $unique ) {
 181                                         $stats->{$n}->{unique} = 1;
 182                                         #warn "# $n unique ",dump( $unique );
 183                                 }
 184                         }
 185                 }
 186         }
 187
 188         warn "# __stats ",dump($stats);
 189
 190         return $stats;
 191 }
 192
 193 sub _param_or_session {
 194         $_[0]->param( $_[1] ) || $_[0]->session( $_[1] )
 195 }
 196
 197 sub stats {
 198         my $self = shift;
 199         my $path = $self->_param_or_session('path');
 200         warn "stats $path\n";
 201         delete $loaded->{$path}->{stats};
 202         return $self->redirect_to( '/data/columns' );
 203 }
 204
 205
 206 sub _load_path {
 207         my ( $self, $path ) = @_;
 208
 209         return if defined $loaded->{$path}->{generated};
 210
 211         my $full_path = $self->app->home->rel_file( 'data/' . $path );
 212         return $self->redirect_to('/data/index') unless -r $full_path;
 213
 214         my $dump_path = $self->_dump_path( $path );
 215
 216         if ( defined $loaded->{$path}->{data} ) {
 217                 my $mtime = (stat($full_path))[9];
 218                 return if $loaded->{$path}->{mtime} == $mtime;
 219                 warn "reload $full_path, modified ", time() - $mtime, " seconds ago\n";
 220         } elsif ( -e $dump_path ) {
 221                 warn "dump_path $dump_path ", -s $dump_path, " bytes loading...\n";
 222                 my $info = retrieve $dump_path;
 223                 $loaded->{ $path } = $info;
 224                 return;
 225         }
 226
 227         my $data;
 228         if ( my $module = import_module( $full_path ) ) {
 229                 $data = $module->new( full_path => $full_path )->data;
 230         } else {
 231                 die "can't load $full_path";
 232         }
 233
 234         my @header;
 235
 236         if ( defined $data->{header} ) {
 237                 if ( ref $data->{header} eq 'ARRAY' ) {
 238                         @header = @{ $data->{header} };
 239                 } else {
 240                         warn "header not array ", dump( $data->{header} );
 241                 }
 242         }
 243
 244         my $stats = __stats( $data->{items} );
 245
 246         @header =
 247                 sort { $stats->{$b}->{count} <=> $stats->{$a}->{count} }
 248                 grep { defined $stats->{$_}->{count} } keys %$stats
 249                 unless @header;
 250
 251         my $info = {
 252                 header => [ @header ],
 253                 stats  => $stats,
 254                 full_path => $full_path,
 255                 size => -s $full_path,
 256                 mtime => (stat($full_path))[9],
 257                 data => $data,
 258                 defined $data->{generated} ? ( generated => 1 ) : (),
 259         };
 260
 261         $loaded->{ $path } = $info;
 262         $self->_save( $path ) unless $info->{generated};
 263
 264 }
 265
 266
 267 sub load {
 268         my $self = shift;
 269
 270         my @paths = @{ $self->every_param('paths') };
 271         warn "# paths ", dump @paths;
 272
 273         foreach my $p ( keys %$loaded ) {
 274                 next if grep { /^\Q$p\E$/ } @paths;
 275                 warn "remove $p from memory\n";
 276                 delete $loaded->{$p};
 277         }
 278
 279         $self->_load_path( $_ ) foreach @paths;
 280
 281         my $path = $self->param('path') || $self->session('path') || $paths[0] || $self->redirect_to('/data/index');
 282
 283         warn "# path $path\n";
 284         $self->_load_path( $path );
 285
 286         $self->session( 'path' => $path );
 287
 288         my $redirect_to = '/data/items';
 289
 290         $self->session( 'header' => $loaded->{$path}->{header} );
 291         if ( ! defined $loaded->{$path}->{columns} ) {
 292                 my $columns_path = $self->_permanent_path( 'columns' );
 293                 if ( -e $columns_path ) {
 294                         my @columns = map { s/[\r\n]+$//; $_ } read_file $columns_path, binmode => ':utf8';
 295                         $loaded->{$path}->{columns} = [ @columns ];
 296                         warn "# columns_path $columns_path ",dump(@columns);
 297                 } else {
 298                         $loaded->{$path}->{columns} = $loaded->{$path}->{header}
 299                 }
 300
 301                 $redirect_to = '/data/columns';
 302         }
 303         $self->session( 'columns' => $loaded->{$path}->{columns} );
 304         $self->session( 'order'   => $loaded->{$path}->{columns}->[0] );
 305         return $self->redirect_to( $redirect_to );
 306 }
 307
 308
 309 sub _loaded {
 310         my ( $self, $name ) = @_;
 311         my $path = $self->session('path') || $self->param('path');
 312         return $self->redirect_to('/data/index') unless $path;
 313
 314         if ( defined $loaded->{$path}->{modified} && $loaded->{$path}->{modified} > 1 ) {
 315                 my $caller = (caller(1))[3];
 316                 if ( $caller =~ m/::edit/ ) {
 317                         warn "rebuild stats for $path ignored caller $caller\n";
 318                 } else {
 319                         warn "rebuild stats for $path FORCED by modified caller $caller\n";
 320 #                       $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
 321                         $loaded->{$path}->{rebuild_stats} = 1;
 322                         $loaded->{$path}->{modified} = 1;
 323                 }
 324         }
 325
 326         if ( defined $loaded->{$path}->{rebuild_stats} ) {
 327                 warn "rebuild_stats $path";
 328                 $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
 329                 delete $loaded->{$path}->{rebuild_stats};
 330         }
 331
 332         if ( ! defined $loaded->{$path}->{$name} ) {
 333                 warn "$path $name isn't loaded\n";
 334                 $self->_load_path( $path );
 335                 if ( ! defined $loaded->{$path}->{stats} ) {
 336                         warn "rebuild stats for $path\n";
 337                         $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
 338                 }
 339                 if ( ! defined $loaded->{$path}->{$name} ) {
 340                         warn "MISSING $name for $path\n";
 341                         return $self->redirect_to('/data/index')
 342                 }
 343         }
 344
 345         $self->session( 'modified' => $loaded->{$path}->{modified} );
 346
 347         return $loaded->{$path}->{$name};
 348 }
 349
 350
 351 sub _checked {
 352         my $self = shift;
 353         my $checked;
 354         $checked->{$_}++ foreach @_;
 355 #       warn "# _checked ",dump($checked);
 356         return $checked;
 357 }
 358
 359 sub _permanent_path {
 360         my $self = shift;
 361         my $path = $self->_param_or_session('path');
 362         $self->app->home->rel_file('data') . '/' . join('.', $path, @_);
 363 }
 364
 365 sub __unac {
 366         my $n = shift;
 367         $n = unac_string('utf-8',$n);
 368         $n =~ s/\W+/_/g;
 369         return $n;
 370 }
 371
 372 sub _column_from_unac {
 373         my ($self,$name) = @_;
 374
 375         my $stats = $self->_loaded('stats');
 376         my $cols_norm = { map { __unac( $_ ) => $_ } keys %$stats };
 377
 378         $cols_norm->{$name} || die "can't find column $name in ", dump($cols_norm);
 379 }
 380
 381 sub _export_path {
 382         my $self = shift;
 383         my $path = $self->_param_or_session('path');
 384         if ( ! $path ) {
 385                 warn "no path in param or session";
 386                 return;
 387         }
 388         my $dir = $self->app->home->rel_file('public') . "/export/$path";
 389         mkpath $dir unless -e $dir;
 390         my $name = __export_path_name( $path, @_ );
 391         my $full = $dir . '/' . $name;
 392         $full =~ s/\/+$// if -d $full; # strip trailing slash for dirs
 393         return $full;
 394 }
 395
 396 sub __export_path_name {
 397         my $max_length = 80;
 398
 399         my $path = shift;
 400         my $name = join('.', map { __unac($_) } @_ );
 401         if ( length($name) > $max_length ) {
 402                 $name = substr($name,0,$max_length) . Digest::MD5::md5_hex substr($name,$max_length);
 403         }
 404         return $name;
 405 }
 406
 407 sub columns {
 408     my $self = shift;
 409
 410         my $view_path = $self->_permanent_path( 'views' );
 411
 412         if ( $self->param('columns') ) {
 413                 my @columns = $self->_param_array('columns');
 414                 write_file( $self->_permanent_path( 'columns' ), { binmode => ':utf8' }, map { "$_\n" } @columns );
 415                 if ( my $view = $self->param('view') ) {
 416                         mkdir $view_path unless -e $view_path;
 417                         write_file( "$view_path/$view", { binmode => ':utf8' }, map { "$_\n" } @columns );
 418                         warn "view $view_path/$view ", -s "$view_path/$view", " bytes\n";
 419                 }
 420
 421                 return $self->redirect_to('/data/items');
 422
 423         } elsif ( ! $self->session('header') ) {
 424                 return $self->redirect_to('/data/load');
 425         }
 426
 427         if ( my $id = $self->param('id') ) {
 428                 my $view_full = "$view_path/$id";
 429                 if ( -f $view_full ) {
 430                         my @columns = map { chomp; $_ } read_file $view_full, binmode => ':utf8';
 431                         warn "view $view_full loaded ", dump @columns;
 432                         $self->session( 'columns' => [ @columns ] );
 433                         return $self->redirect_to('/data/items');
 434                 }
 435         }
 436
 437         my $stats = $self->_loaded( 'stats' );
 438
 439         my @columns;
 440         @columns = grep { defined $stats->{$_}->{count} } @{ $self->session('columns') } if $self->session('columns');
 441
 442         foreach my $c ( @{ $self->session( 'header' ) } ) {
 443                 push @columns, $c unless grep { /^\Q$c\E$/ } @columns;
 444         }
 445
 446         my @views;
 447         if ( -d $view_path ) {
 448                 @views = map { s{^\Q$view_path\E/*}{}; $_ } glob "$view_path/*";
 449                 warn "# views ",dump @views;
 450         }
 451
 452     $self->render(
 453                 message => 'Select columns to display',
 454                 stats => $stats,
 455                 columns => \@columns,
 456                 checked => $self->_checked( $self->_param_array('columns') ),
 457                 views => \@views,
 458         );
 459 }
 460
 461 sub _param_array {
 462     my ($self,$name) = @_;
 463
 464         my @array = @{ $self->every_param($name) };
 465         my $path  = $self->session('path');
 466
 467         if ( @array ) {
 468                 $self->session($name => [ @array ]);
 469                 $loaded->{$path}->{$name} = [ @array ];
 470         } elsif ( my $session = $self->session($name) ) {
 471                 if ( ref $session eq 'ARRAY' ) {
 472                         @array = @$session;
 473                 } else {
 474                         die "$name not array ",dump($session);
 475                 }
 476         }
 477         #warn "# $name ",dump @array;
 478         return @array;
 479 }
 480
 481 sub _param_scalar {
 482     my ($self,$name,$default) = @_;
 483
 484         my $scalar = $self->param($name);
 485
 486         if ( defined $scalar ) {
 487                 $self->session($name => $scalar);
 488         } else {
 489                 $scalar = $self->session($name);
 490         }
 491
 492         if ( ! defined $scalar ) {
 493                 $scalar = $default;
 494                 if ( defined $scalar ) {
 495                         $self->session($name => $scalar);
 496                 } else {
 497                         warn "no default for $name";
 498                 }
 499         }
 500
 501         warn "# _param_scalar $name ",dump $scalar;
 502         return $scalar;
 503 }
 504
 505 sub filter {
 506         my $self = shift;
 507
 508         my $name = $self->param('filter_name') || die "name?";
 509         my @vals = @{ $self->every_param('filter_vals') };
 510
 511         $self->_remove_filter( $name );
 512         if ( @vals ) {
 513                 $self->_filter_on_data( $name, @vals );
 514                 if ( my $permanent = $self->param('_permanent') ) {
 515                         my $permanent_path = $self->_export_path( 'filter', $name, $permanent );
 516                         write_file $permanent_path, { binmode => ':utf8' }, map { "$_\n" } @vals;
 517                         warn "permanent filter $permanent_path ", -s $permanent_path;
 518                 }
 519         }
 520
 521         $self->session( 'offset' => 0 );
 522
 523         return $self->redirect_to('/data/items');
 524 }
 525
 526 sub _filter_on_data {
 527         my ( $self, $name, @vals ) = @_;
 528
 529         my $path = $self->session('path');
 530
 531         if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
 532                 warn "filter $name not found in data set";
 533                 return;
 534         }
 535
 536         $filters->{$name} = [ @vals ];
 537         warn "_filter_on_data $name ", $#vals + 1, " values on $path\n";
 538
 539         my $filter_hash;
 540         $filter_hash->{$_}++ foreach @vals;
 541
 542         #warn "# filter_hash ",dump( $filter_hash );
 543
 544         my $items = $self->_loaded('data')->{items};
 545
 546         my $include_missing = defined $filter_hash->{_missing};
 547         my $filtered_items;
 548
 549         foreach my $i ( 0 .. $#$items ) {
 550
 551                 if ( defined $items->[$i]->{$name} ) {
 552                         my $row = $items->[$i]->{$name};
 553                         $row = [ $row ] unless ref $row eq 'ARRAY'; # FIXME probably wrong place
 554                         foreach my $v ( @$row ) {
 555                                 if ( defined $filter_hash->{ $v } ) {
 556                                         $filtered_items->{$i}++;
 557                                 }
 558                         }
 559                 } elsif ( $include_missing ) {
 560                         $filtered_items->{$i}++;
 561                 }
 562         }
 563
 564         #warn "# filter $name ",dump($filtered_items);
 565
 566         # invalidate filters on other datasets
 567         foreach my $dataset ( grep { exists $loaded->{$_}->{filters}->{$name} } keys %$loaded ) {
 568                 delete $loaded->{$dataset}->{filters}->{$name};
 569                 delete $loaded->{$dataset}->{filtered};
 570         }
 571
 572         $loaded->{$path}->{filters}->{$name} = $filtered_items;
 573         warn "filter $name with ", scalar keys %$filtered_items, " items created\n";
 574 }
 575
 576
 577 sub _current_filters {
 578         my $self = shift;
 579         my $current_filters;
 580         my $stats = $self->_loaded('stats');
 581
 582         $current_filters->{ $_ } = $filters->{ $_ }
 583                 foreach ( grep { defined $filters->{ $_ } } keys %$stats )
 584         ;
 585         warn "# _current_filters ",dump( keys %$current_filters );
 586         return $current_filters;
 587 }
 588
 589 sub _data_sorted_by {
 590         my ( $self, $order ) = @_;
 591
 592         my $path = $self->session('path');
 593
 594         warn "_data_sorted_by $order from $path";
 595
 596         if ( defined $loaded->{$path}->{sorted}->{$order} ) {
 597                 return $loaded->{$path}->{sorted}->{$order};
 598         }
 599
 600         my $data = $self->_loaded( 'data' );
 601         my $numeric = $self->_is_numeric($order);
 602         my $missing = $numeric ? 0 : '';
 603         no warnings qw(numeric);
 604         my $nr = 0;
 605         my @sorted = map {
 606                 $_->[0]
 607         } sort {
 608                 if ( $numeric ) {
 609                         $a->[1] <=> $b->[1]
 610                 } else {
 611                         $a->[1] cmp $b->[1]
 612                 }
 613         } map {
 614                 my $v;
 615                 if ( ! exists $_->{$order} ) {
 616                         $v = $missing;
 617                 } elsif ( ref $_->{$order} eq 'ARRAY' ) {
 618                         $v = join('', @{$_->{$order}});
 619                 } else {
 620                         $v = $_->{$order};
 621                 }
 622                 [ $nr++, $v ]
 623         } @{ $data->{items} }
 624         ;
 625
 626         warn "sorted: $order numeric: $numeric items: ", $#sorted + 1, "\n";
 627         #warn "# sorted ",dump( @sorted );
 628
 629         $loaded->{$path}->{sorted}->{$order} = [ @sorted ];
 630 }
 631
 632
 633 sub __all_filters {
 634         my $order = pop @_;
 635         join(',', sort(@_), 'order', $order);
 636 }
 637
 638 our ($out, $key,$value);
 639
 640 our $lookup_path_col;
 641 our $on;
 642
 643 sub __commit_begin {
 644         warn "__commit_begin";
 645         $lookup_path_col = undef;
 646         $on = undef;
 647 }
 648
 649 sub __commit_end {
 650         warn "__commit_end";
 651         $lookup_path_col = undef; # cleanup memory
 652         $on = undef;
 653 }
 654
 655 sub lookup {
 656         warn "# lookup ",dump @_;
 657         my ( $vals, $on_path, $on_col, $code, $stat_code ) = @_;
 658         die "code is not sub{ ... } but ", dump $code unless ref $code eq 'CODE';
 659
 660         if ( ! exists $loaded->{$on_path} ) {
 661                 my @possible_paths = grep { /\Q$on_path\E/ } keys %$loaded;
 662                 die "more than one dataset available for '$on_path' ",dump @possible_paths if $#possible_paths > 0;
 663                 $on_path = shift @possible_paths;
 664                 warn "## fuzzy selected path $on_path";
 665         }
 666
 667         my $items = $loaded->{$on_path}->{data}->{items} || die "no items for $on_path";
 668
 669         if ( ! exists $lookup_path_col->{$on_path}->{$on_col} ) {
 670                 warn "create lookup_path_col $on_path $on_col";
 671                 foreach my $i ( 0 .. $#$items ) {
 672                         my $item = $items->[$i];
 673                         if ( exists $item->{$on_col} ) {
 674                                 if ( ref $item->{$on_col} eq 'ARRAY' ) {
 675                                         foreach my $v ( @{ $item->{$on_col} } ) {
 676                                                 push @{ $lookup_path_col->{$on_path}->{$on_col}->{$v} }, $i;
 677                                         }
 678                                 } elsif ( ! ref $item->{$on_col} ) { # scalar
 679                                         my $v = $item->{$on_col};
 680                                         push @{ $lookup_path_col->{$on_path}->{$on_col}->{$v} }, $i;
 681                                 } else {
 682                                         die "unknown type of ",dump $item->{$on_col};
 683                                 }
 684                         }
 685                 }
 686                 warn "XXX ",dump $lookup_path_col->{$on_path}->{$on_col} if $ENV{DEBUG};
 687         }
 688
 689         my $stat;
 690         $stat = Statistics::Descriptive::Full->new() if $stat_code;
 691
 692         foreach my $v ( ref $vals eq 'ARRAY' ? @$vals : ( $vals ) ) {
 693                 foreach my $i ( @{ $lookup_path_col->{$on_path}->{$on_col}->{$v} } ) {
 694                         $on = $items->[$i];
 695                         warn "XXX lookup code $v $i ",dump $on if $ENV{DEBUG};
 696                         $code->($stat);
 697                 }
 698                 $stat_code->( $stat ) if $stat_code;
 699         }
 700 }
 701
 702 sub __commit_path_code {
 703         my ( $path, $i, $code, $commit_changed ) = @_;
 704
 705         my $items = $loaded->{$path}->{data}->{items} || die "no items for $path";
 706         my $row = $items->[$i];
 707         my $update;
 708         eval $code;
 709         foreach ( keys %$update ) {
 710                 $$commit_changed->{$_}++;
 711                 $loaded->{$path}->{data}->{items}->[$i]->{$_} = $update->{$_};
 712         }
 713         #warn "__commit_path_code $path $i ",dump( $update );
 714 }
 715
 716 # uses templates/admin.html.ep
 717 sub _switch_dataset {
 718         my $self = shift;
 719
 720         my $datasets;
 721
 722         foreach my $path ( keys %$loaded ) {
 723                 next unless exists $loaded->{$path}->{data};
 724                 push @$datasets, $path;
 725         }
 726
 727         warn "# datasets ",dump($datasets);
 728
 729         $self->stash( 'datasets' => $datasets );
 730 }
 731
 732 sub items {
 733         my $self = shift;
 734
 735         $self->_switch_dataset;
 736
 737         if ( my $show = $self->param('id') ) {
 738                 $self->param('show', $show);
 739                 warn "show $show\n";
 740         }
 741
 742         my $path = $self->_param_scalar('path');
 743
 744         my @columns = $self->_param_array('columns');
 745         return $self->redirect_to('/data/columns') unless @columns;
 746         my $order   = $self->_param_scalar('order', $columns[0]);
 747         my $sort    = $self->_param_scalar('sort', 'a');
 748         my $offset  = $self->_param_scalar('offset', 0);
 749         my $limit   = $self->_param_scalar('limit', 20);
 750         $self->_param_scalar('show', 'table');
 751
 752         # fix offset when changing limit
 753         $offset = int( $offset / $limit ) * $limit;
 754
 755         if ( ! grep { /^\Q$order\E$/ } @columns ) {
 756                 $order = $columns[0];
 757                 $self->session( order => $order );
 758         }
 759         my $sorted = $self->_data_sorted_by( $order );
 760
 761         my @filter_names;
 762         if ( $filters ) {
 763                 foreach my $name ( keys %$filters ) {
 764                         if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
 765                                 warn "skip filter $name not found in $path\n";
 766                                 next;
 767                         }
 768                         push @filter_names, $name;
 769                 }
 770                 warn "filter_names ",dump( @filter_names );
 771                 foreach my $name ( @filter_names ) {
 772                         next if ref $loaded->{$path}->{filters}->{$name} eq 'ARRAY';
 773                         $self->_filter_on_data( $name, @{ $filters->{$name} } );
 774                 }
 775         }
 776
 777         my $all_filters = __all_filters( @filter_names,$order );
 778
 779 #       warn "# all_filters $all_filters ", dump( $loaded->{$path}->{filtered}->{$all_filters} );
 780
 781         if ( ! defined $loaded->{$path}->{filtered}->{$all_filters} ) {
 782
 783                 my $path_filters = $loaded->{$path}->{filters};
 784
 785                 warn "create combined filter for $all_filters from ", $#$sorted + 1, " items\n";
 786
 787                 my @filtered;
 788                 foreach my $i ( 0 .. $#$sorted ) {
 789                         my $pos = $sorted->[$i];
 790
 791                         if ( $#filter_names == -1 ) {
 792                                 push @filtered, $pos;
 793                                 next;
 794                         }
 795
 796                         my $skip = 0;
 797                         foreach ( @filter_names ) {
 798                                 $skip ||= 1 if ! defined $path_filters->{$_}->{$pos};
 799                         }
 800                         next if $skip;
 801
 802                         push @filtered, $pos;
 803                 }
 804
 805                 $loaded->{$path}->{filtered}->{$all_filters} = [ @filtered ];
 806         }
 807
 808         my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
 809                 if defined $loaded->{$path}->{filtered}->{$all_filters};
 810
 811         warn "all_filters $all_filters produced ", $#$filtered + 1, " items\n" if $filtered;
 812
 813         my $data = $self->_loaded('data');
 814
 815         my $code = $self->_param_scalar('code','');
 816         $code =~ s{\r}{}gs;
 817         $code =~ s{\n+$}{\n}s;
 818
 819         # XXX convert @row->{foo} into @{$row->{foo}}
 820         $code =~ s|\@(row->\{[^}]+\})|\@{\$$1}|gs;
 821
 822         my $commit = $self->param('commit');
 823         my $test = $self->param('test');
 824
 825         my $commit_changed;
 826         __commit_begin;
 827
 828         if ( $code && ( $test || $commit ) ) {
 829                 # XXX find columns used in code snippet and show them to user
 830                 my $order = 0;
 831                 foreach my $column ( $code =~ m/\$row->\{([^}]+)\}/g ) {
 832                         if ( $column =~ s/^(['"])// ) {
 833                                 $column =~ s/$1$//;
 834                         }
 835                         next if $column =~ m/\$/; # hide columns with vars in them
 836                         $commit_changed->{$column} = 0;
 837                 }
 838         }
 839
 840         my $code_path = $self->app->home->rel_file('public') . "/code";
 841         if ( $commit ) {
 842
 843                 __path_modified( $path, 'commit' );
 844
 845                 warn "# commit on ", $#$filtered + 1, " items:\n$code\n";
 846                 ( $key, $value, $out ) = ( 'key', 'value' );
 847                 foreach ( 0 .. $#$filtered ) {
 848                         my $i = $filtered->[$_];
 849                         __commit_path_code( $path, $i, $code, \$commit_changed );
 850                 }
 851
 852                 # this might move before $out to recalculate stats on source dataset?
 853                 __path_rebuild_stats( $path );
 854                 my $c = { map { $_ => 1 } @columns };
 855                 my @added_columns = sort grep { ! $c->{$_} } keys %$commit_changed;
 856                 warn "# added_columns ",dump( @added_columns );
 857                 unshift @columns, @added_columns;
 858
 859                 $loaded->{$path}->{columns} = [ @columns ];
 860                 warn "# new columns ",dump( @columns );
 861
 862                 __invalidate_path_column( $path, $_ ) foreach keys %$commit_changed;
 863
 864                 $self->_save_change({
 865                         path => $path,
 866                         time => $self->param('time') || time(),
 867                         user => $self->param('user') || $ENV{'LOGNAME'},
 868                         code => $code,
 869                         commit_changed => $commit_changed,
 870                 });
 871
 872                 if ( my $description = $self->param('code_description') ) {
 873                         my $depends = $self->param('code_depends') || die "no code_depends?";
 874                         my $path = "$code_path/$depends.$description.pl";
 875                         if ( -e $path && ! $self->param('overwrite') ) {
 876                                 warn "# code $path not saved\n";
 877                         } else {
 878                                 write_file(  $path, { binmode => ':utf8' }, "$code\n" );
 879                                 warn "code $path ", -s $path, " bytes saved\n";
 880                         }
 881                 }
 882
 883                 # remove console
 884                 $code = '';
 885                 if ( $out ) {
 886                         my $commit_dataset = join('.'
 887                                 , $self->param('code_depends')
 888                                 , $self->param('code_description')
 889                                 , time()
 890                         );
 891                         $key ||= 'key';
 892                         $value ||= 'value';
 893                         warn "key $key value $value";
 894                         my $items;
 895                         foreach my $n ( keys %$out ) {
 896                                 my $i = { $key => [ $n ] };
 897                                 my $ref = ref $out->{$n};
 898                                 if ( $ref eq 'HASH' ) {
 899                                         $i->{$_} = [ $out->{$n}->{$_} ] foreach keys %{ $out->{$n} };
 900                                 } elsif ( $ref eq 'ARRAY' ) {
 901                                         $i->{$_} = $out->{$n};
 902                                 } elsif ( ! $ref ) {
 903                                         $i->{$value} = [ $out->{$n} ];
 904                                 } else {
 905                                         $i->{_error} = [ dump($out->{$n}) ];
 906                                 }
 907                                 push @$items, $i;
 908                         };
 909                         undef $out;
 910                         my $stats = __stats( $items );
 911                         my @columns = grep { ! m/^\Q$key\E$/ } sort keys %$stats;
 912                         unshift @columns, $key;
 913
 914                         $loaded->{$commit_dataset} = {
 915                                 header => [ @columns ],
 916                                 columns => [ @columns ],
 917                                 mtime => time(),
 918                                 data => { items => $items },
 919                                 stats => $stats,
 920                                 generated => 1,
 921                         };
 922                         warn "# loaded out ", dump( $loaded->{$commit_dataset} );
 923                         $self->session('path', $commit_dataset);
 924                         $self->session('columns', [ @columns ]);
 925                         $self->session('order', $key);
 926                         return $self->redirect_to('/data/items');
 927                 }
 928
 929                 $self->session('columns', [ @columns ]);
 930         }
 931
 932         my $sorted_items;
 933         my $from_end = $sort eq 'd' ? $#$filtered : 0;
 934         my $test_changed;
 935         my ( $key, $value, $out ) = ( 'key', 'value' ); # XXX make local
 936         foreach ( 0 .. $limit ) {
 937                 my $i = $_ + $offset;
 938                 last unless defined $filtered->[$i];
 939                 $i = $from_end - $i if $from_end;
 940                 my $id = $filtered->[$i];
 941                 my $row = Storable::dclone $data->{items}->[ $id ];
 942                 if ( $code && $test ) {
 943                         my $update;
 944                         eval $code;
 945                         if ( $@ ) {
 946                                 warn "ERROR evaling $@", dump($code);
 947                                 $self->stash('eval_error', $@) if $@;
 948                         } else {
 949                                 warn "EVAL ",dump($update);
 950                                 foreach ( keys %$update ) {
 951                                         $test_changed->{$_}++;
 952                                         $row->{$_} = $update->{$_};
 953                                 }
 954                         }
 955                 }
 956                 $row->{_row_id} ||= $id;
 957                 push @$sorted_items, $row;
 958         }
 959
 960         if ( $self->param('export') ) {
 961                 my $export_path = $self->_export_path( 'items', @columns);
 962                 open(my $fh, '>', $export_path) || die "ERROR: can't open $export_path: $!";
 963                 print $fh "#",join("\t",@columns),"\n";
 964                 foreach my $f ( 0 .. $#$filtered ) {
 965                         print $fh join("\t", map {
 966                                 my $i = $data->{items}->[ $filtered->[$f] ];
 967                                 my $v = '\N';
 968                                 if ( ! defined $i->{$_} ) {
 969                                         # nop
 970                                 } elsif ( ref $i->{$_} eq 'ARRAY' ) {
 971                                         $v =join(',', @{ $i->{$_} });
 972                                         $v = '\N' if length($v) == 0;
 973                                 } elsif ( ! ref $i->{$_} ) {
 974                                         $v = $i->{$_};
 975                                 } else {
 976                                         $v = dump $i->{$_};
 977                                 }
 978                                 $v;
 979                         } @columns),"\n";
 980                 }
 981                 close($fh);
 982                 warn "export $export_path ", -s $export_path, " bytes\n";
 983         }
 984
 985         my ( $code_depends, $code_description );
 986
 987         if ( $test ) {
 988
 989                 warn "# test_changed ",dump( $test_changed );
 990                 my $c = { map { $_ => 1 } @columns };
 991                 my @added_columns = sort grep { ! $c->{$_} } keys %$test_changed;
 992                 unshift @columns, @added_columns;
 993
 994                 warn "# sorted_items ", $#$sorted_items + 1, " offset $offset limit $limit order $sort";
 995
 996                 my $depends_on;
 997                 my $tmp = $code; $tmp =~ s/\$row->\{(['"]?)([\w\s]+)\1/$depends_on->{$2}++/gse;
 998                 warn "# depends_on ",dump $depends_on;
 999
1000                 my $test_added = Storable::dclone $test_changed;
1001                 delete $test_added->{$_} foreach keys %$depends_on;
1002
1003                 $code_depends = $self->param('code_depends')
1004                 || join(',', keys %$depends_on);
1005
1006                 $code_description = $self->param('code_description') ||
1007                 join(',', keys %$test_added);
1008
1009                 $code_depends ||= $code_description; # self-modifing
1010                 if ( ! $code_depends && $out ) {
1011                         $code_depends = $key;
1012                         $code_description = $value;
1013                 }
1014
1015                 warn "# test_changed ",dump( $test_changed, $code_depends, $code_description );
1016
1017         } # test?
1018
1019         __commit_end;
1020
1021         $self->render(
1022                 order => $order,
1023                 offset => $offset,
1024                 limit => $limit,
1025                 sorted => $sorted_items,
1026                 columns => [ @columns ],
1027                 rows => $#$filtered + 1,
1028                 numeric => { map { $_, $self->_is_numeric($_) } @columns },
1029                 unique  => { map { $_, $self->_is_unique( $_) } @columns },
1030                 filters => $self->_current_filters,
1031                 code => $code,
1032                 cols_changed => $commit ? $commit_changed : $test_changed,
1033                 code_depends => $code_depends,
1034                 code_description => $code_description,
1035                 code_path => $code_path,
1036                 out => $out,
1037         );
1038
1039 }
1040
1041
1042 sub order {
1043         my $self = shift;
1044         $self->session('order', $self->param('order'));
1045         $self->session('sort', $self->param('sort'));
1046         return $self->redirect_to('/data/items');
1047 }
1048
1049 sub _is_numeric {
1050         my ( $self, $name ) = @_;
1051
1052         my $stats = $self->_loaded( 'stats' );
1053
1054         # sort facet numerically if more >50% elements are numeric
1055         my $count = $stats->{$name}->{count};
1056         $count   -= $stats->{$name}->{empty} if defined $stats->{$name}->{empty};
1057         defined $stats->{$name}->{numeric} &&
1058                 $stats->{$name}->{numeric} > $count / 2;
1059 }
1060
1061 sub _is_unique {
1062         my ( $self, $name ) = @_;
1063         my $stats = $self->_loaded( 'stats' );
1064         defined $stats->{$name}->{unique};
1065 }
1066
1067 sub _remove_filter {
1068         my ($self,$name) = @_;
1069         warn "_remove_filter $name\n";
1070
1071         my $path = $self->session('path');
1072
1073         delete $filters->{$name};
1074         delete $loaded->{$path}->{filters}->{$name};
1075         warn "filters left: ", keys %{ $loaded->{$path}->{filters} };
1076
1077         foreach (
1078                         grep { /\Q$name\E/ }
1079                         keys %{ $loaded->{$path}->{filtered} }
1080         ) {
1081                 delete $loaded->{$path}->{filtered}->{$_};
1082                 warn "remove filtered cache $_";
1083         }
1084 }
1085
1086 sub facet {
1087         my $self = shift;
1088
1089         my $path = $self->session('path') || return $self->redirect_to( '/data/index' );
1090
1091         if ( my $name = $self->param('remove') ) {
1092                 $self->_remove_filter( $name );
1093                 return $self->redirect_to( '/data/items' );
1094         }
1095
1096         my $facet;
1097         my $name = $self->param('name') || die "no name";
1098
1099         my $all = $self->_param_scalar('all', 1);
1100         my $data = $self->_loaded('data');
1101
1102         my $filters = $self->_current_filters;
1103         my $all_filters = __all_filters( keys %$filters,$self->session('order') );
1104         my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
1105                 if defined $loaded->{$path}->{filtered}->{$all_filters};
1106
1107         if ( ! $filtered || $all ) {
1108                 $filtered = [ 0 .. $#{ $data->{items} } ];
1109                 warn "filter all values\n";
1110         } else {
1111                 warn "filter using $all_filters\n";
1112         }
1113
1114         foreach my $i ( @$filtered ) {
1115                 my $item = $data->{items}->[$i];
1116                 if ( ! exists $item->{$name} || ! defined $item->{$name} ) {
1117                         $facet->{ _missing }++;
1118                 } elsif ( ref $item->{$name} eq 'ARRAY' ) {
1119                         $facet->{$_}++ foreach @{ $item->{$name} };
1120                 } else {
1121                         $facet->{ $item->{$name} }++;
1122                 }
1123         }
1124
1125         my $checked_values = $self->_checked( @{ $filters->{$name} } ) if defined $filters->{$name};
1126
1127         if ( my $code = $self->param('code') ) {
1128                 my $out;
1129                 foreach my $value ( keys %$facet ) {
1130                         my $count = $facet->{$value};
1131                         my $checked = $checked_values->{$value};
1132                         eval $code;
1133                         if ( $@ ) {
1134                                 $out = $@;
1135                                 warn "ERROR: $@\n$code\n";
1136                                 last;
1137                         } elsif ( $checked != $checked_values->{$value} ) {
1138                                 warn "checked $value $count -> $checked\n";
1139                                 $checked_values->{$value} = $checked;
1140                         }
1141                 }
1142                 warn "out ",dump( $out );
1143                 $self->stash( out => $out );
1144         }
1145
1146 #       warn "# facet $name ",dump $facet;
1147
1148         my @facet_names =
1149                   $all                      ? keys %$facet
1150                 : defined $filters->{$name} ? @{ $filters->{$name} }
1151                 : keys %$facet;
1152
1153         my $numeric = $self->_is_numeric($name);
1154
1155         my $sort = $self->param('sort');
1156         # sort numeric facets with more than 5 values ascending
1157         $sort ||= $numeric && $#facet_names > 4 ? 'a' : 'c';
1158
1159         @facet_names = sort {
1160                 my $result;
1161                 if ( $sort eq 'a' ) {
1162                         $result = $numeric ? $a <=> $b : lc $a cmp lc $b;
1163                 } elsif ( $sort eq 'd' ) {
1164                         $result = $numeric ? $b <=> $a : lc $b cmp lc $a;
1165                 } elsif ( $sort eq 'c' ) {
1166                         $result = ( $facet->{$b} || -1 ) <=> ( $facet->{$a} || -1 )
1167                 } else {
1168                         warn "unknown sort: $sort";
1169                         $result = $a cmp $b;
1170                 }
1171                 $result = $a cmp $b unless defined $result; # FIXME cludge for numeric facets with invalid data
1172                 $result;
1173         } @facet_names;
1174
1175         $self->render( name => $name, facet => $facet, checked => $checked_values,
1176                 facet_names => \@facet_names, sort => $sort, numeric => $numeric,
1177         );
1178 }
1179
1180
1181 sub __invalidate_path_column {
1182         my ( $path, $name ) = @_;
1183
1184         if ( defined $loaded->{$path}->{sorted}->{$name} ) {
1185                 delete $loaded->{$path}->{sorted}->{$name};
1186                 warn "# invalidate $path sorted $name\n";
1187         }
1188
1189         foreach ( grep { m/\Q$name\E/ } keys %{ $loaded->{$path}->{filtered} } ) {
1190                 delete $loaded->{$path}->{filtered}->{$_};
1191                 warn "# invalidate $path filtered $_\n";
1192         }
1193 }
1194
1195 sub __path_modified {
1196         my ( $path, $value ) = @_;
1197         $value = 1 unless defined $value;
1198
1199         $loaded->{$path}->{modified}  = $value;
1200
1201         warn "# __path_modified $path $value\n";
1202 }
1203
1204 sub __path_rebuild_stats { $loaded->{ $_[0] }->{rebuild_stats} = 1 };
1205
1206 sub _save_change {
1207         my ($self,$change) = @_;
1208
1209         my $change_path = $self->_permanent_path( 'changes' );
1210         mkdir $change_path unless -d $change_path;
1211         $change_path .= '/' . $change->{time};
1212         store $change, $change_path;
1213         utime $change->{time}, $change->{time}, $change_path;
1214         warn "_save_change $change_path ", dump($change);
1215 }
1216
1217 sub edit {
1218         my $self = shift;
1219         my $new_content = $self->param('new_content');
1220         $new_content  ||= $self->param('content'); # backward compatibility with old actions
1221
1222         my $i = $self->param('_row_id');
1223         die "invalid _row_id ",dump($i) unless $i =~ m/^\d+$/;
1224         my $path = $self->param('path') || die "no path";
1225         my $name = $self->param('name') || die "no name";
1226         my $status = 200; # 200 = OK, 201 = Created
1227
1228         my $data = $self->_loaded('data');
1229
1230         if ( defined $loaded->{$path}->{data}->{items}->[$i] ) {
1231                 $new_content =~ s/^\s+//s;
1232                 $new_content =~ s/\s+$//s;
1233                 my $v;
1234                 if ( $new_content =~ /\xB6/ ) { # para
1235                         $v = [ split(/\s*\xB6\s*/, $new_content) ];
1236                 } else {
1237                         $v = [ $new_content ];
1238                 }
1239
1240                 my $old = dump $loaded->{$path}->{data}->{items}->[$i]->{$name};
1241                 my $new = dump $v;
1242                 if ( $old ne $new
1243                         && ! ( $old eq 'undef' && length($new_content) == 0 ) # new value empty, previous undef
1244                 ) {
1245                         $self->_save_change({
1246                                 path => $path,
1247                                 column => $name,
1248                                 pos => $i,
1249                                 old => $loaded->{$path}->{data}->{items}->[$i]->{$name},
1250                                 new => $v,
1251                                 time => $self->param('time') || time(),
1252                                 user => $self->param('user') || $ENV{'LOGNAME'},
1253                                 unique => {
1254                                         map { $_ => $loaded->{$path}->{data}->{items}->[$i]->{$_}->[0] }
1255                                         grep { defined $loaded->{$path}->{stats}->{$_}->{unique} }
1256                                         keys %{ $loaded->{$path}->{stats} }
1257                                 },
1258                         });
1259
1260                         warn "# change $path $i $old -> $new\n";
1261                         $loaded->{$path}->{data}->{items}->[$i]->{$name} = $v;
1262
1263                         __invalidate_path_column( $path, $name );
1264
1265                         $status = 201; # created
1266                         __path_rebuild_stats( $path );
1267
1268                         $new_content = join("\xB6",@$v);
1269
1270                 } else {
1271                         warn "# unchanged $path $i $old\n";
1272                         $status = 304;
1273                 }
1274         } else {
1275                 $new_content = "$path $i $name doesn't exist\n";
1276                 $status = 404;
1277         }
1278
1279         warn "# edit $status ", dump $new_content;
1280
1281         $self->render(
1282                 status => $status,
1283                 new_content => scalar $new_content,
1284         );
1285 }
1286
1287
1288 sub save {
1289         my $self = shift;
1290         my $path = $self->_param_or_session('path');
1291         my $dump_path = $self->_save( $path );
1292         __path_modified( $path, 0 );
1293
1294         return $self->redirect_to( '/data/items' );
1295 }
1296
1297 sub export {
1298         my $self = shift;
1299
1300         my $dir = $self->app->home->rel_file('public');
1301
1302         if ( my $import = $self->param('import') ) {
1303
1304                 if ( $import =~ m{/filter\.(.+?)\..+} ) {
1305                         my $name = $self->_column_from_unac( $1 );
1306
1307                         my @vals = map { chomp; $_ }
1308                                 read_file "$dir/export/$import", binmode => ':utf8';
1309
1310                         $self->_remove_filter( $name );
1311                         $self->_filter_on_data( $name, @vals );
1312                         $self->session( 'offset' => 0 );
1313                         return $self->redirect_to('/data/items');
1314                 } else {
1315                         warn "UNKNOWN IMPORT $import";
1316                 }
1317         }
1318
1319         if ( my $remove = $self->param('remove') ) {
1320                 my $path = "$dir/export/$remove";
1321                 unlink $path if -e $path;
1322                 $path .= '.png';
1323                 unlink $path if -e $path;
1324         }
1325
1326         my $path = $self->_export_path || return $self->redirect_to('/data/index');
1327
1328         my @files = grep { ! /\.png$/ } glob "$path/*";
1329         my $mtime = { map { $_ => (stat($_))[9] } @files };
1330         @files = sort { $mtime->{$b} <=> $mtime->{$a} } @files;
1331         $self->render( export => [ @files ] );
1332 }
1333
1334 sub __loaded_paths {
1335         return
1336                 grep { defined $loaded->{$_}->{data} }
1337                 keys %$loaded;
1338 }
1339
1340 sub reload {
1341         my $self = shift;
1342         $self->stash( reload => 1 );
1343         $self->remove;
1344 #       $self->_load_path( $self->param('path') );
1345         $self->redirect_to('/data/load?path=' . $self->param('path') );
1346 }
1347
1348 sub remove {
1349         my $self = shift;
1350         my $path = $self->param('path');
1351         if ( $path =~ m{^/tmp/mojo_facets\.} ) {
1352                 unlink $path;
1353                 warn "# unlink $path";
1354                 if ( my $name = $self->param('name') ) {
1355                         delete $loaded->{$name};
1356                         warn "# remove $name from memory";
1357                 }
1358         } else {
1359                 warn "WARNING: $path unlink ignored";
1360         }
1361         return if $self->stash('reload');
1362         return $self->redirect_to( '/data/load' );
1363 }
1364
1365 1;