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 JSON;
  11 use Encode;
  12 use locale;
  13 use File::Find;
  14 use Storable;
  15
  16 our $loaded;
  17 our $filters;
  18
  19 sub index {
  20         my $self = shift;
  21
  22         my $path = $self->app->home->rel_dir('data');
  23         die "no data dir $path" unless -d $path;
  24
  25         my @files;
  26         find( sub {
  27                 my $file = $File::Find::name;
  28                 if ( -f $file && $file =~ m/\.(js(on)?|txt)$/ ) {
  29                         $file =~ s/$path\/*//;
  30                         push @files, $file;
  31                 } else {
  32                         warn "IGNORE: $file\n";
  33                 }
  34         }, $path);
  35
  36         @files = sort { lc $a cmp lc $b } @files;
  37         my $size;
  38         $size->{$_} = -s "$path/$_" foreach @files;
  39
  40         $self->render(
  41                 files => [ @files ],
  42                 size => $size,
  43                 loaded => $loaded,
  44                 filters => $filters,
  45         );
  46 }
  47
  48 sub _dump_path {
  49         my ( $self, $name ) = @_;
  50         my $dir = $self->app->home->rel_dir('data');
  51         $name =~ s/^$dir//;
  52         $name =~ s/\/+/_/g;
  53         return '/tmp/mojo_facets.' . $name . '.storable';
  54 }
  55
  56 sub _save {
  57         my ( $self, $path ) = @_;
  58
  59         my $dump_path = $self->_dump_path( $path );
  60         warn "save loaded to $dump_path";
  61         my $info = $loaded->{$path};
  62         store $info, $dump_path;
  63
  64         # sync timestamp
  65         my $mtime = $loaded->{$path}->{mtime};
  66         utime $mtime, $mtime, $dump_path;
  67
  68         warn $dump_path, ' ', -s $dump_path, " bytes\n";
  69         return $dump_path;
  70 }
  71
  72 sub _load_path {
  73         my ( $self, $path ) = @_;
  74
  75         my $full_path = $self->app->home->rel_file( 'data/' . $path );
  76         die "$full_path $!" unless -r $full_path;
  77
  78         my $dump_path = $self->_dump_path( $path );
  79
  80         if ( defined $loaded->{$path}->{data} ) {
  81                 my $mtime = (stat($full_path))[9];
  82                 return if $loaded->{$path}->{mtime} == $mtime;
  83                 warn "reload $full_path, modified ", time() - $mtime, " seconds ago\n";
  84         } elsif ( -e $dump_path ) {
  85                 warn "dump_path $dump_path ", -s $dump_path, " bytes loading...\n";
  86                 my $info = retrieve $dump_path;
  87                 $loaded->{ $path } = $info;
  88                 return;
  89         }
  90
  91         # we could use Mojo::JSON here, but it's too slow
  92 #       $data = from_json read_file $path;
  93         my $data = read_file $full_path;
  94         warn "# data snippet: ", substr($data,0,200);
  95         my @header;
  96         if ( $path =~ m/\.js/ ) {
  97                 Encode::_utf8_on($data);
  98                 $data = from_json $data;
  99         } elsif ( $path =~ m/\.txt/ ) {
 100                 my @lines = split(/\r?\n/, $data);
 101                 $data = { items => [] };
 102
 103                 my $header_line = shift @lines;
 104                 my $multiline = $header_line =~ s/\^//g;
 105                 @header = split(/\|/, $header_line );
 106                 warn "# header ", dump( @header );
 107                 while ( my $line = shift @lines ) {
 108                         $line =~ s/\^//g;
 109                         chomp $line;
 110                         my @v = split(/\|/, $line);
 111                         while ( @lines && $#v < $#header ) {
 112                                 $line = $lines[0];
 113                                 $line =~ s/\^//g;
 114                                 chomp $line;
 115                                 my @more_v = split(/\|/, $line);
 116                                 if ( $#v + $#more_v > $#header ) {
 117                                         warn "short line: ",dump( @v );
 118                                         last;
 119                                 }
 120                                 shift @lines;
 121                                 $v[ $#v ] .= shift @more_v if @more_v;
 122                                 push @v, @more_v if @more_v;
 123
 124                                 if ( $#v > $#header ) {
 125                                         die "# splice $#header ", dump( @v );
 126                                         @v = splice @v, 0, $#header;
 127                                 }
 128                         }
 129                         my $item;
 130                         foreach my $i ( 0 .. $#v ) {
 131                                 $item->{ $header[$i] || "f_$i" } = [ $v[$i] ];
 132                         }
 133                         push @{ $data->{items} }, $item;
 134                 }
 135         } else {
 136                 warn "file format unknown $path";
 137         }
 138
 139         my $stats;
 140
 141         foreach my $e ( @{ $data->{items} } ) {
 142                 foreach my $n ( keys %$e ) {
 143                         $stats->{$n}->{count}++;
 144                         my @v;
 145                         if ( ref $e->{$n} eq 'ARRAY' ) {
 146                                 $stats->{$n}->{array} += $#{ $e->{$n} } + 1;
 147                                 @v = @{ $e->{$n} };
 148                         } else {
 149                                 @v = ( $e->{$n} );
 150                         }
 151
 152                         foreach my $x ( @v ) {
 153                                 $stats->{$n}->{numeric}++
 154                                         if $x =~ m/^[-+]?([0-9]*\.[0-9]+|[0-9]+)$/;
 155                                 $stats->{$n}->{empty}++
 156                                         if length $x == 0; # faster than $x =~ m/^\s*$/;
 157                         }
 158
 159                 }
 160         }
 161
 162         foreach my $n ( keys %$stats ) {
 163                 next unless defined $stats->{$n}->{array};
 164                 delete $stats->{$n}->{array}
 165                         if $stats->{$n}->{array} == $stats->{$n}->{count};
 166         }
 167
 168         if ( ! @header ) {
 169                 if ( defined $data->{header} ) {
 170                         if ( ref $data->{header} eq 'ARRAY' ) {
 171                                 @header = @{ $data->{header} };
 172                         } else {
 173                                 warn "header not array ", dump( $data->{header} );
 174                         }
 175                 }
 176         }
 177
 178         @header =
 179                 sort { $stats->{$b}->{count} <=> $stats->{$a}->{count} }
 180                 grep { defined $stats->{$_}->{count} } keys %$stats
 181                 unless @header;
 182
 183         warn dump($stats);
 184
 185         my $info = {
 186                 header => [ @header ],
 187                 stats  => $stats,
 188                 full_path => $full_path,
 189                 size => -s $full_path,
 190                 mtime => (stat($full_path))[9],
 191                 data => $data,
 192         };
 193
 194         $loaded->{ $path } = $info;
 195         $self->_save( $path );
 196
 197 }
 198
 199
 200 sub load {
 201         my $self = shift;
 202
 203         my @paths = $self->param('paths');
 204         warn "# paths ", dump @paths;
 205         $self->_load_path( $_ ) foreach @paths;
 206
 207         my $path = $self->param('path') || $self->redirect_to( '/data/index' );
 208         warn "# path $path\n";
 209         $self->session('path' => $path);
 210         $self->_load_path( $path );
 211
 212         $self->session( 'header' => $loaded->{$path}->{header} );
 213         if ( ! defined $loaded->{$path}->{columns} ) {
 214                 $self->session( 'columns' => $loaded->{$path}->{header} );
 215                 $self->session( 'order'   => $loaded->{$path}->{header}->[0] );
 216                 $self->redirect_to( '/data/columns' );
 217         } else {
 218                 $self->session( 'columns' => $loaded->{$path}->{columns} );
 219                 $self->session( 'order'   => $loaded->{$path}->{columns}->[0] );
 220                 $self->redirect_to( '/data/items' );
 221         }
 222 }
 223
 224
 225 sub _loaded {
 226         my ( $self, $name ) = @_;
 227         my $path = $self->session('path');
 228         $self->redirect_to('/data/index') unless $path;
 229         if ( ! defined $loaded->{$path}->{$name} ) {
 230                 warn "$path $name doesn't exist in loaded ",dump( $loaded );
 231                 $self->redirect_to('/data/index');
 232         }
 233         return $loaded->{$path}->{$name};
 234 }
 235
 236
 237 sub _checked {
 238         my $self = shift;
 239         my $checked;
 240         $checked->{$_}++ foreach @_;
 241 #       warn "# _checked ",dump($checked);
 242         return $checked;
 243 }
 244
 245
 246 sub columns {
 247     my $self = shift;
 248
 249         if ( $self->param('columns') ) {
 250                 $self->_perm_array('columns');
 251                 $self->redirect_to('/data/items');
 252         }
 253
 254         my $stats = $self->_loaded( 'stats' ); # || $self->redirect_to( '/data/index' );
 255
 256         my @columns;
 257         @columns = grep { defined $stats->{$_}->{count} } @{ $self->session('columns') } if $self->session('columns');
 258
 259         foreach my $c ( @{ $self->session( 'header' ) } ) {
 260                 push @columns, $c unless grep { /^\Q$c\E$/ } @columns;
 261         }
 262
 263     $self->render(
 264                 message => 'Select columns to display',
 265                 stats => $stats,
 266                 columns => \@columns,
 267                 checked => $self->_checked( $self->_perm_array('columns') ),
 268         );
 269 }
 270
 271 sub _perm_array {
 272     my ($self,$name) = @_;
 273
 274         my @array = $self->param($name);
 275         my $path  = $self->session('path');
 276
 277         if ( @array ) {
 278                 $self->session($name => [ @array ]);
 279                 $loaded->{$path}->{$name} = [ @array ];
 280         } elsif ( my $session = $self->session($name) ) {
 281                 if ( ref $session eq 'ARRAY' ) {
 282                         @array = @$session;
 283                 } else {
 284                         die "$name not array ",dump($session);
 285                 }
 286         }
 287         #warn "# $name ",dump @array;
 288         return @array;
 289 }
 290
 291 sub _perm_scalar {
 292     my ($self,$name,$default) = @_;
 293
 294         my $scalar = $self->param($name);
 295
 296         if ( defined $scalar ) {
 297                 $self->session($name => $scalar);
 298         } else {
 299                 $scalar = $self->session($name);
 300         }
 301
 302         if ( ! defined $scalar ) {
 303                 $scalar = $default;
 304                 die "no default for $name" unless defined $scalar;
 305                 $self->session($name => $scalar);
 306         }
 307
 308         warn "# _perm_scalar $name ",dump $scalar;
 309         return $scalar;
 310 }
 311
 312 sub filter {
 313         my $self = shift;
 314
 315         my $name = $self->param('filter_name') || die "name?";
 316         my @vals = $self->param('filter_vals');
 317
 318         $self->_remove_filter( $name );
 319         $self->_filter_on_data( $name, @vals ) if @vals;
 320
 321         $self->session( 'offset' => 0 );
 322
 323         $self->redirect_to('/data/items');
 324 }
 325
 326 sub _filter_on_data {
 327         my ( $self, $name, @vals ) = @_;
 328
 329         my $path = $self->session('path');
 330
 331         if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
 332                 warn "filter $name not found in data set";
 333                 return;
 334         }
 335
 336         $filters->{$name} = [ @vals ];
 337         warn "_filter_on_data $name ", $#vals + 1, " values on $path\n";
 338
 339         my $filter_hash;
 340         $filter_hash->{$_}++ foreach @vals;
 341
 342         #warn "# filter_hash ",dump( $filter_hash );
 343
 344         my $items = $self->_loaded('data')->{items};
 345
 346         my $include_missing = defined $filter_hash->{_missing};
 347         my $filtered_items;
 348
 349         foreach my $i ( 0 .. $#$items ) {
 350
 351                 if ( defined $items->[$i]->{$name} ) {
 352                         foreach my $v ( @{ $items->[$i]->{$name} } ) {
 353                                 if ( defined $filter_hash->{ $v } ) {
 354                                         $filtered_items->{$i}++;
 355                                 }
 356                         }
 357                 } elsif ( $include_missing ) {
 358                         $filtered_items->{$i}++;
 359                 }
 360         }
 361
 362         #warn "# filter $name ",dump($filtered_items);
 363
 364         $loaded->{$path}->{filters}->{$name} = $filtered_items;
 365         warn "filter $name with ", scalar keys %$filtered_items, " items created\n";
 366 }
 367
 368 sub _data_items {
 369         my ( $self, $all ) = @_;
 370         my $data = $self->_loaded( 'data' );
 371
 372         return @{ $data->{items} } if $all == 1;
 373
 374         my $filters = $self->_current_filters;
 375         my $filter_value;
 376         foreach my $f ( keys %$filters ) {
 377                 foreach my $n ( @{ $filters->{$f} } ) {
 378                         $filter_value->{$f}->{$n} = 1;
 379                 }
 380         }
 381         my @items = @{ $data->{items} };
 382         @items = grep {
 383                 my $i = $_;
 384                 my $pass = 1;
 385                 foreach my $n ( keys %$filter_value ) {
 386                         if ( ! exists $i->{$n} ) {
 387                                 if ( defined $filter_value->{$n}->{_missing} ) {
 388                                         $pass = 1;
 389                                         next;
 390                                 } else {
 391                                         $pass = 0;
 392                                         last;
 393                                 }
 394                         }
 395                         # and match any of values in element
 396                         my $have_values = 0;
 397                         foreach my $v ( @{ $i->{$n} } ) { # FIXME not array?
 398                                 $have_values ||= 1 if defined $filter_value->{$n}->{$v};
 399                         }
 400                         if ( ! $have_values ) {
 401                                 $pass = 0;
 402                                 last;
 403                         }
 404                 }
 405                 $pass;
 406         } @items if $filter_value;
 407         return @items;
 408 }
 409
 410
 411 sub _current_filters {
 412         my $self = shift;
 413         my $current_filters;
 414         $current_filters->{ $_ } = $filters->{ $_ }
 415                 foreach (
 416                         grep { defined $filters->{ $_ } }
 417                         @{ $self->_loaded('header') }
 418                 );
 419         #warn "# current_filters ",dump($current_filters);
 420         return $current_filters;
 421 }
 422
 423 sub _data_sorted_by {
 424         my ( $self, $order ) = @_;
 425
 426         my $path = $self->session('path');
 427
 428         warn "_data_sorted_by $order from $path";
 429
 430         if ( defined $loaded->{$path}->{sorted}->{$order} ) {
 431                 return $loaded->{$path}->{sorted}->{$order};
 432         }
 433
 434         my $data = $self->_loaded( 'data' );
 435         my $numeric = $self->_is_numeric($order);
 436         my $missing = $numeric ? 0 : '';
 437         no warnings qw(numeric);
 438         my $nr = 0;
 439         my @sorted = map {
 440                 $_->[0]
 441         } sort {
 442                 if ( $numeric ) {
 443                         $a->[1] <=> $b->[1]
 444                 } else {
 445                         $a->[1] cmp $b->[1]
 446                 }
 447         } map {
 448                 [ $nr++, exists $_->{$order} ? join('', @{$_->{$order}}) : $missing ]
 449         } @{ $data->{items} }
 450         ;
 451
 452         warn "sorted: $order numeric: $numeric items: ", $#sorted + 1, "\n";
 453         #warn "# sorted ",dump( @sorted );
 454
 455         $loaded->{$path}->{sorted}->{$order} = [ @sorted ];
 456 }
 457
 458
 459 sub items {
 460         my $self = shift;
 461
 462         my $path = $self->session('path');
 463         $self->redirect_to('/data/index') unless defined $loaded->{ $path };
 464
 465         my @columns = $self->_perm_array('columns');
 466         $self->redirect_to('/data/columns') unless @columns;
 467         my $order   = $self->_perm_scalar('order', $columns[0]);
 468         my $sort    = $self->_perm_scalar('sort', 'a');
 469         my $offset  = $self->_perm_scalar('offset', 0);
 470         my $limit   = $self->_perm_scalar('limit', 20);
 471         $self->_perm_scalar('show', 'table');
 472
 473         # fix offset when changing limit
 474         $offset = int( $offset / $limit ) * $limit;
 475
 476         my $sorted = $self->_data_sorted_by( $order );
 477
 478         my @filter_names;
 479         if ( $filters ) {
 480                 foreach my $name ( keys %$filters ) {
 481                         if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
 482                                 warn "skip filter $name not found in $path\n";
 483                                 next;
 484                         }
 485                         push @filter_names, $name;
 486                 }
 487                 warn "filter_names ",dump( @filter_names );
 488                 foreach my $name ( @filter_names ) {
 489                         next if ref $loaded->{$path}->{filters}->{$name} eq 'ARRAY';
 490                         $self->_filter_on_data( $name, @{ $filters->{$name} } );
 491                 }
 492         }
 493
 494         my $all_filters = join(' ',sort @filter_names,'order:',$order);
 495
 496 #       warn "# all_filters $all_filters ", dump( $loaded->{$path}->{filtered}->{$all_filters} );
 497
 498         if ( ! defined $loaded->{$path}->{filtered}->{$all_filters} ) {
 499
 500                 my $path_filters = $loaded->{$path}->{filters};
 501
 502                 warn "create combined filter for $all_filters\n";
 503
 504                 my @filtered;
 505                 foreach my $i ( 0 .. $#$sorted ) {
 506                         my $pos = $sorted->[$i];
 507
 508                         if ( $#filter_names == -1 ) {
 509                                 push @filtered, $pos;
 510                                 next;
 511                         }
 512
 513                         my $skip = 0;
 514                         foreach ( @filter_names ) {
 515                                 $skip ||= 1 if ! defined $path_filters->{$_}->{$pos};
 516                         }
 517                         next if $skip;
 518
 519                         push @filtered, $pos;
 520                 }
 521
 522                 $loaded->{$path}->{filtered}->{$all_filters} = [ @filtered ];
 523         }
 524
 525         my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
 526                 if defined $loaded->{$path}->{filtered}->{$all_filters};
 527
 528         warn "all_filters $all_filters produced ", $#$filtered + 1, " items\n" if $filtered;
 529
 530         my $sorted_items;
 531         my $data = $self->_loaded('data');
 532         my $from_end = $sort eq 'd' ? $#$filtered : 0;
 533         foreach ( 0 .. $limit ) {
 534                 my $i = $_ + $offset;
 535                 last unless defined $filtered->[$i];
 536                 $i = $from_end - $i if $from_end;
 537                 my $id = $filtered->[$i];
 538                 push @$sorted_items,
 539                 my $item = $data->{items}->[ $id ];
 540                 $item->{_row_id} ||= $id;
 541         }
 542
 543         warn "# sorted_items ", $#$sorted_items + 1, " offset $offset limit $limit order $sort";
 544
 545         $self->render(
 546                 order => $order,
 547                 offset => $offset,
 548                 limit => $limit,
 549                 sorted => $sorted_items,
 550                 columns => [ @columns ],
 551                 rows => $#$filtered + 1,
 552                 numeric => { map { $_, $self->_is_numeric($_) } @columns },
 553                 filters => $self->_current_filters,
 554         );
 555
 556 }
 557
 558
 559 sub order {
 560         my $self = shift;
 561         $self->session('order', $self->param('order'));
 562         $self->session('sort', $self->param('sort'));
 563         $self->redirect_to('/data/items');
 564 }
 565
 566 sub _is_numeric {
 567         my ( $self, $name ) = @_;
 568
 569         my $stats = $self->_loaded( 'stats' );
 570
 571         # sort facet numerically if more >50% elements are numeric
 572         my $count = $stats->{$name}->{count};
 573         $count   -= $stats->{$name}->{empty} if defined $stats->{$name}->{empty};
 574         defined $stats->{$name}->{numeric} &&
 575                 $stats->{$name}->{numeric} > $count / 2;
 576 }
 577
 578 sub _remove_filter {
 579         my ($self,$name) = @_;
 580         warn "_remove_filter $name\n";
 581
 582         my $path = $self->session('path');
 583
 584         delete $filters->{$name};
 585         delete $loaded->{$path}->{filters}->{$name};
 586         warn "filters left: ", keys %{ $loaded->{$path}->{filters} };
 587
 588         foreach (
 589                         grep { /\b$name\b/ }
 590                         keys %{ $loaded->{$path}->{filtered} }
 591         ) {
 592                 delete $loaded->{$path}->{filtered}->{$_};
 593                 warn "remove filtered cache $_";
 594         }
 595 }
 596
 597 sub facet {
 598         my $self = shift;
 599
 600         my $path = $self->session('path') || $self->redirect_to( '/data/index' );
 601
 602         if ( my $name = $self->param('remove') ) {
 603                 $self->_remove_filter( $name );
 604                 $self->redirect_to( '/data/items' );
 605         }
 606
 607         my $facet;
 608         my $name = $self->param('name') || die "no name";
 609
 610         my $all = $self->_perm_scalar('all', 1);
 611         my $data = $self->_loaded('data');
 612
 613         my $filters = $self->_current_filters;
 614         my $all_filters = join(' ',sort keys %$filters,'order:',$self->session('order'));
 615         my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
 616                 if defined $loaded->{$path}->{filtered}->{$all_filters};
 617
 618         if ( ! $filtered || $all ) {
 619                 $filtered = [ 0 .. $#{ $data->{items} } ];
 620                 warn "filter all values\n";
 621         } else {
 622                 warn "filter using $all_filters\n";
 623         }
 624
 625         foreach my $i ( @$filtered ) {
 626                 my $item = $data->{items}->[$i];
 627                 if ( ! exists $item->{$name} ) {
 628                         $facet->{ _missing }++;
 629                 } elsif ( ref $item->{$name} eq 'ARRAY' ) {
 630                         $facet->{$_}++ foreach @{ $item->{$name} };
 631                 } else {
 632                         $facet->{ $item->{$name} }++;
 633                 }
 634         }
 635
 636 #       warn "# facet $name ",dump $facet;
 637
 638         my $checked;
 639         my @facet_names =
 640                   $all                      ? keys %$facet
 641                 : defined $filters->{$name} ? @{ $filters->{$name} }
 642                 : keys %$facet;
 643
 644         $checked = $self->_checked( @{ $filters->{$name} } ) if defined $filters->{$name};
 645
 646         my $numeric = $self->_is_numeric($name);
 647
 648         my $sort = $self->param('sort');
 649         # sort numeric facets with more than 5 values ascending
 650         $sort ||= $numeric && $#facet_names > 4 ? 'a' : 'c';
 651
 652         @facet_names = sort {
 653                 my $result;
 654                 if ( $sort eq 'a' ) {
 655                         $result = $numeric ? $a <=> $b : lc $a cmp lc $b;
 656                 } elsif ( $sort eq 'd' ) {
 657                         $result = $numeric ? $b <=> $a : lc $b cmp lc $a;
 658                 } elsif ( $sort eq 'c' ) {
 659                         $result = ( $facet->{$b} || -1 ) <=> ( $facet->{$a} || -1 )
 660                 } else {
 661                         warn "unknown sort: $sort";
 662                         $result = $a cmp $b;
 663                 }
 664                 $result = $a cmp $b unless defined $result; # FIXME cludge for numeric facets with invalid data
 665                 $result;
 666         } @facet_names;
 667
 668         $self->render( name => $name, facet => $facet, checked => $checked,
 669                 facet_names => \@facet_names, sort => $sort, numeric => $numeric,
 670         );
 671 }
 672
 673 sub edit {
 674         my $self = shift;
 675         my $content = $self->param('content');
 676
 677         my $i = $self->param('_row_id');
 678         die "invalid _row_id ",dump($i) unless $i =~ m/^\d+$/;
 679         my $path = $self->param('path') || die "no path";
 680         my $name = $self->param('name') || die "no name";
 681         my $status = 200; # 200 = OK, 201 = Created
 682
 683         if ( defined $loaded->{$path}->{data}->{items}->[$i]->{$name} ) {
 684                 $content =~ s/^\s+//s;
 685                 $content =~ s/\s+$//s;
 686                 my $v;
 687                 if ( $content =~ /\xB6/ ) {     # para
 688                         $v = [ split(/\s*\xB6\s*/, $content) ];
 689                 } else {
 690                         $v = [ $content ];
 691                 }
 692
 693                 my $old = dump $loaded->{$path}->{data}->{items}->[$i]->{$name};
 694                 my $new = dump $v;
 695                 if ( $old ne $new ) {
 696                         warn "# update $path $i $old -> $new\n";
 697                         $loaded->{$path}->{data}->{items}->[$i]->{$name} = $v;
 698
 699                         if ( defined $loaded->{$path}->{sorted}->{$name} ) {
 700                             delete $loaded->{$path}->{sorted}->{$name};
 701                                 warn "# invalidate $path sorted $name\n";
 702                         }
 703
 704                         foreach ( grep { m/$name/ } keys %{ $loaded->{$path}->{filtered} } ) {
 705                             delete $loaded->{$path}->{filtered}->{$_};
 706                                 warn "# invalidate $path filtered $_\n";
 707                         }
 708
 709                         $status = 201; # created
 710                         $self->session('save_path' => $path);
 711
 712                 } else {
 713                         warn "# unchanged $path $i $old\n";
 714                         $status = 304;
 715                 }
 716         } else {
 717                 $content = "$path $i $name doesn't exist\n";
 718                 $status = 404;
 719                 warn "# $content\n";
 720         }
 721
 722         $self->render(
 723                 status => $status,
 724                 content => $content,
 725         );
 726 }
 727
 728
 729 sub save {
 730         my $self = shift;
 731         my $path = $self->param('path');
 732         $path  ||= $self->session('path');
 733
 734         my $dump_path = $self->_save( $path );
 735         $self->session('save_path' => 0);
 736
 737         $self->redirect_to( '/data/items' );
 738 }
 739
 740 1;