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 use Time::HiRes qw(time);
  16
  17 use MojoFacets::Import::File;
  18 use MojoFacets::Import::HTMLTable;
  19
  20 our $loaded;
  21 our $filters;
  22
  23 sub index {
  24         my $self = shift;
  25
  26         my $data_dir = $self->app->home->rel_dir('data');
  27         die "no data dir $data_dir" unless -d $data_dir;
  28
  29         my @files;
  30         my $edits;
  31         find( sub {
  32                 my $file = $File::Find::name;
  33                 if ( -f $file && $file =~ m/\.(js(on)?|txt)$/ ) {
  34                         $file =~ s/$data_dir\/*//;
  35                         push @files, $file;
  36                 } elsif ( -f $file && $file =~ m/([^\/]+)\.edits\/(\d+\.\d+.+)/ ) {
  37                         push @{ $edits->{$1} }, $2
  38                 } elsif ( -d $file && $file =~ m/\.html$/ ) {
  39                         $file =~ s/$data_dir\/*//;
  40                         push @files, $file;
  41                 } else {
  42                         warn "IGNORE: $file\n";
  43                 }
  44         }, $data_dir);
  45
  46         @files = sort { lc $a cmp lc $b } @files;
  47         my $size;
  48         $size->{$_} = -s "$data_dir/$_" foreach @files;
  49
  50         $self->render(
  51                 files => [ @files ],
  52                 size => $size,
  53                 loaded => $loaded,
  54                 filters => $filters,
  55                 dump_path => { map { $_ => $self->_dump_path($_) } @files },
  56                 edits => $edits,
  57         );
  58 }
  59
  60 sub _dump_path {
  61         my ( $self, $name ) = @_;
  62         my $dir = $self->app->home->rel_dir('data');
  63         $name =~ s/^$dir//;
  64         $name =~ s/\/+/_/g;
  65         return '/tmp/mojo_facets.' . $name . '.storable';
  66 }
  67
  68 sub _save {
  69         my ( $self, $path ) = @_;
  70
  71         my $dump_path = $self->_dump_path( $path );
  72         my $first_load = ! -e $dump_path;
  73         warn "save loaded to $dump_path";
  74         my $info = $loaded->{$path};
  75         store $info, $dump_path;
  76
  77         if ( $first_load ) {
  78                 my $mtime = $loaded->{$path}->{mtime};
  79                 utime $mtime, $mtime, $dump_path;
  80                 warn "sync time to $path at $mtime\n";
  81         }
  82
  83         warn $dump_path, ' ', -s $dump_path, " bytes\n";
  84         return $dump_path;
  85 }
  86
  87
  88 sub __stats {
  89
  90         my $stats;
  91
  92         my $nr_items = $#{ $_[0] } + 1;
  93
  94         warn "__stats $nr_items\n";
  95
  96         foreach my $e ( @{ $_[0] } ) {
  97                 foreach my $n ( keys %$e ) {
  98                         $stats->{$n}->{count}++;
  99                         my @v;
 100                         if ( ref $e->{$n} eq 'ARRAY' ) {
 101                                 $stats->{$n}->{array} += $#{ $e->{$n} } + 1;
 102                                 @v = @{ $e->{$n} };
 103                         } else {
 104                                 @v = ( $e->{$n} );
 105                         }
 106
 107                         foreach my $x ( @v ) {
 108                                 $stats->{$n}->{numeric}++
 109                                         if $x =~ m/^[-+]?([0-9]*\.[0-9]+|[0-9]+)$/;
 110                                 $stats->{$n}->{empty}++
 111                                         if length $x == 0; # faster than $x =~ m/^\s*$/;
 112                         }
 113
 114                 }
 115         }
 116
 117         foreach my $n ( keys %$stats ) {
 118                 my $s = $stats->{$n};
 119                 next unless defined $s->{array};
 120                 if ( $s->{array} == $s->{count} ) {
 121                         delete $s->{array};
 122                         if ( $s->{count} == $nr_items ) {
 123                                 warn "check $n for uniqeness\n";
 124                                 my $unique;
 125                                 foreach my $e ( @{ $_[0] } ) {
 126                                         if ( ++$unique->{ $e->{$n}->[0] } == 2 ) {
 127                                                 $unique = 0;
 128                                                 last;
 129                                         }
 130                                 }
 131                                 if ( $unique ) {
 132                                         $stats->{$n}->{unique} = 1;
 133                                         warn "# $n unique ",dump( $unique );
 134                                 }
 135                         }
 136                 }
 137         }
 138
 139         warn "# __stats ",dump($stats);
 140
 141         return $stats;
 142 }
 143
 144 sub _param_or_session {
 145         $_[0]->param( $_[1] ) || $_[0]->session( $_[1] )
 146 }
 147
 148 sub stats {
 149         my $self = shift;
 150         my $path = $self->_param_or_session('path');
 151         warn "stats $path\n";
 152         delete $loaded->{$path}->{stats};
 153         $self->redirect_to( '/data/columns' );
 154 }
 155
 156
 157 sub _load_path {
 158         my ( $self, $path ) = @_;
 159
 160         my $full_path = $self->app->home->rel_file( 'data/' . $path );
 161         die "$full_path $!" unless -r $full_path;
 162
 163         my $dump_path = $self->_dump_path( $path );
 164
 165         if ( defined $loaded->{$path}->{data} ) {
 166                 my $mtime = (stat($full_path))[9];
 167                 return if $loaded->{$path}->{mtime} == $mtime;
 168                 warn "reload $full_path, modified ", time() - $mtime, " seconds ago\n";
 169         } elsif ( -e $dump_path ) {
 170                 warn "dump_path $dump_path ", -s $dump_path, " bytes loading...\n";
 171                 my $info = retrieve $dump_path;
 172                 $loaded->{ $path } = $info;
 173                 return;
 174         }
 175
 176         my $data;
 177         if ( -f $full_path ) {
 178                 $data = MojoFacets::Import::File->new( path => $full_path )->data;
 179         } elsif ( -d $full_path && $full_path =~ m/.html/ ) {
 180                 $data = MojoFacets::Import::HTMLTable->new( dir => $full_path )->data;
 181         } else {
 182                 die "can't load $full_path";
 183         }
 184
 185         my @header;
 186
 187         if ( defined $data->{header} ) {
 188                 if ( ref $data->{header} eq 'ARRAY' ) {
 189                         @header = @{ $data->{header} };
 190                 } else {
 191                         warn "header not array ", dump( $data->{header} );
 192                 }
 193         }
 194
 195         my $stats = __stats( $data->{items} );
 196
 197         @header =
 198                 sort { $stats->{$b}->{count} <=> $stats->{$a}->{count} }
 199                 grep { defined $stats->{$_}->{count} } keys %$stats
 200                 unless @header;
 201
 202         my $info = {
 203                 header => [ @header ],
 204                 stats  => $stats,
 205                 full_path => $full_path,
 206                 size => -s $full_path,
 207                 mtime => (stat($full_path))[9],
 208                 data => $data,
 209         };
 210
 211         $loaded->{ $path } = $info;
 212         $self->_save( $path );
 213
 214 }
 215
 216
 217 sub load {
 218         my $self = shift;
 219
 220         my @paths = $self->param('paths');
 221         warn "# paths ", dump @paths;
 222         $self->_load_path( $_ ) foreach @paths;
 223
 224         my $path = $self->param('path') || $self->redirect_to( '/data/index' );
 225         warn "# path $path\n";
 226         $self->_load_path( $path );
 227
 228         $self->session( 'path' => $path );
 229         $self->session( 'modified' => $loaded->{$path}->{modified} );
 230
 231         my $redirect_to = '/data/items';
 232
 233         $self->session( 'header' => $loaded->{$path}->{header} );
 234         if ( ! defined $loaded->{$path}->{columns} ) {
 235                 my $columns_path = $self->_permanent_path( 'columns' );
 236                 if ( -e $columns_path ) {
 237                         my @columns = map { s/[\r\n]+$//; $_ } read_file $columns_path;
 238                         $loaded->{$path}->{columns} = [ @columns ];
 239                         warn "# columns_path $columns_path ",dump(@columns);
 240                 } else {
 241                         $loaded->{$path}->{columns} = $loaded->{$path}->{header}
 242                 }
 243
 244                 $redirect_to = '/data/columns';
 245         }
 246         $self->session( 'columns' => $loaded->{$path}->{columns} );
 247         $self->session( 'order'   => $loaded->{$path}->{columns}->[0] );
 248         $self->redirect_to( $redirect_to );
 249 }
 250
 251
 252 sub _loaded {
 253         my ( $self, $name ) = @_;
 254         my $path = $self->session('path') || $self->param('path');
 255         $self->redirect_to('/data/index') unless $path;
 256         if ( ! defined $loaded->{$path}->{$name} ) {
 257                 warn "$path $name isn't loaded\n";
 258                 $self->_load_path( $path );
 259                 $self->redirect_to('/data/index')
 260                         unless defined $loaded->{$path}->{$name};
 261                 if ( ! defined $loaded->{$path}->{stats} ) {
 262                         warn "rebuild stats for $path\n";
 263                         $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
 264                 }
 265         }
 266         return $loaded->{$path}->{$name};
 267 }
 268
 269
 270 sub _checked {
 271         my $self = shift;
 272         my $checked;
 273         $checked->{$_}++ foreach @_;
 274 #       warn "# _checked ",dump($checked);
 275         return $checked;
 276 }
 277
 278 sub _permanent_path {
 279         my $self = shift;
 280         my $path = $self->_param_or_session('path');
 281         $self->app->home->rel_dir('data') . '/' . join('.', $path, @_);
 282 }
 283
 284 sub _export_path {
 285         my $self = shift;
 286         my $path = $self->_param_or_session('path');
 287         my $dir = $self->app->home->rel_dir('public') . '/export/';
 288         mkdir $dir unless -e $dir;
 289         $dir .= $path;
 290         mkdir $dir unless -e $dir;
 291         $dir . '/' . join('.', @_);
 292 }
 293
 294 sub columns {
 295     my $self = shift;
 296
 297         if ( $self->param('columns') ) {
 298                 my @columns = $self->_param_array('columns');
 299                 write_file( $self->_permanent_path( 'columns' ), map { "$_\n" } @columns );
 300                 $self->redirect_to('/data/items');
 301         }
 302
 303         my $stats = $self->_loaded( 'stats' );
 304
 305         my @columns;
 306         @columns = grep { defined $stats->{$_}->{count} } @{ $self->session('columns') } if $self->session('columns');
 307
 308         foreach my $c ( @{ $self->session( 'header' ) } ) {
 309                 push @columns, $c unless grep { /^\Q$c\E$/ } @columns;
 310         }
 311
 312     $self->render(
 313                 message => 'Select columns to display',
 314                 stats => $stats,
 315                 columns => \@columns,
 316                 checked => $self->_checked( $self->_param_array('columns') ),
 317         );
 318 }
 319
 320 sub _param_array {
 321     my ($self,$name) = @_;
 322
 323         my @array = $self->param($name);
 324         my $path  = $self->session('path');
 325
 326         if ( @array ) {
 327                 $self->session($name => [ @array ]);
 328                 $loaded->{$path}->{$name} = [ @array ];
 329         } elsif ( my $session = $self->session($name) ) {
 330                 if ( ref $session eq 'ARRAY' ) {
 331                         @array = @$session;
 332                 } else {
 333                         die "$name not array ",dump($session);
 334                 }
 335         }
 336         #warn "# $name ",dump @array;
 337         return @array;
 338 }
 339
 340 sub _param_scalar {
 341     my ($self,$name,$default) = @_;
 342
 343         my $scalar = $self->param($name);
 344
 345         if ( defined $scalar ) {
 346                 $self->session($name => $scalar);
 347         } else {
 348                 $scalar = $self->session($name);
 349         }
 350
 351         if ( ! defined $scalar ) {
 352                 $scalar = $default;
 353                 die "no default for $name" unless defined $scalar;
 354                 $self->session($name => $scalar);
 355         }
 356
 357         warn "# _perm_scalar $name ",dump $scalar;
 358         return $scalar;
 359 }
 360
 361 sub filter {
 362         my $self = shift;
 363
 364         my $name = $self->param('filter_name') || die "name?";
 365         my @vals = $self->param('filter_vals');
 366
 367         $self->_remove_filter( $name );
 368         if ( @vals ) {
 369                 $self->_filter_on_data( $name, @vals );
 370                 if ( my $permanent = $self->param('_permanent') ) {
 371                         my $permanent_path = $self->_export_path( 'filter', $name, $permanent );
 372                         write_file $permanent_path, map { "$_\n" } @vals;
 373                         warn "permanent filter $permanent_path ", -s $permanent_path;
 374                 }
 375         }
 376
 377         $self->session( 'offset' => 0 );
 378
 379         $self->redirect_to('/data/items');
 380 }
 381
 382 sub _filter_on_data {
 383         my ( $self, $name, @vals ) = @_;
 384
 385         my $path = $self->session('path');
 386
 387         if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
 388                 warn "filter $name not found in data set";
 389                 return;
 390         }
 391
 392         $filters->{$name} = [ @vals ];
 393         warn "_filter_on_data $name ", $#vals + 1, " values on $path\n";
 394
 395         my $filter_hash;
 396         $filter_hash->{$_}++ foreach @vals;
 397
 398         #warn "# filter_hash ",dump( $filter_hash );
 399
 400         my $items = $self->_loaded('data')->{items};
 401
 402         my $include_missing = defined $filter_hash->{_missing};
 403         my $filtered_items;
 404
 405         foreach my $i ( 0 .. $#$items ) {
 406
 407                 if ( defined $items->[$i]->{$name} ) {
 408                         foreach my $v ( @{ $items->[$i]->{$name} } ) {
 409                                 if ( defined $filter_hash->{ $v } ) {
 410                                         $filtered_items->{$i}++;
 411                                 }
 412                         }
 413                 } elsif ( $include_missing ) {
 414                         $filtered_items->{$i}++;
 415                 }
 416         }
 417
 418         #warn "# filter $name ",dump($filtered_items);
 419
 420         $loaded->{$path}->{filters}->{$name} = $filtered_items;
 421         warn "filter $name with ", scalar keys %$filtered_items, " items created\n";
 422 }
 423
 424 sub _data_items {
 425         my ( $self, $all ) = @_;
 426         my $data = $self->_loaded( 'data' );
 427
 428         return @{ $data->{items} } if $all == 1;
 429
 430         my $filters = $self->_current_filters;
 431         my $filter_value;
 432         foreach my $f ( keys %$filters ) {
 433                 foreach my $n ( @{ $filters->{$f} } ) {
 434                         $filter_value->{$f}->{$n} = 1;
 435                 }
 436         }
 437         my @items = @{ $data->{items} };
 438         @items = grep {
 439                 my $i = $_;
 440                 my $pass = 1;
 441                 foreach my $n ( keys %$filter_value ) {
 442                         if ( ! exists $i->{$n} ) {
 443                                 if ( defined $filter_value->{$n}->{_missing} ) {
 444                                         $pass = 1;
 445                                         next;
 446                                 } else {
 447                                         $pass = 0;
 448                                         last;
 449                                 }
 450                         }
 451                         # and match any of values in element
 452                         my $have_values = 0;
 453                         foreach my $v ( @{ $i->{$n} } ) { # FIXME not array?
 454                                 $have_values ||= 1 if defined $filter_value->{$n}->{$v};
 455                         }
 456                         if ( ! $have_values ) {
 457                                 $pass = 0;
 458                                 last;
 459                         }
 460                 }
 461                 $pass;
 462         } @items if $filter_value;
 463         return @items;
 464 }
 465
 466
 467 sub _current_filters {
 468         my $self = shift;
 469         my $current_filters;
 470         $current_filters->{ $_ } = $filters->{ $_ }
 471                 foreach (
 472                         grep { defined $filters->{ $_ } }
 473                         @{ $self->_loaded('header') }
 474                 );
 475         #warn "# current_filters ",dump($current_filters);
 476         return $current_filters;
 477 }
 478
 479 sub _data_sorted_by {
 480         my ( $self, $order ) = @_;
 481
 482         my $path = $self->session('path');
 483
 484         warn "_data_sorted_by $order from $path";
 485
 486         if ( defined $loaded->{$path}->{sorted}->{$order} ) {
 487                 return $loaded->{$path}->{sorted}->{$order};
 488         }
 489
 490         my $data = $self->_loaded( 'data' );
 491         my $numeric = $self->_is_numeric($order);
 492         my $missing = $numeric ? 0 : '';
 493         no warnings qw(numeric);
 494         my $nr = 0;
 495         my @sorted = map {
 496                 $_->[0]
 497         } sort {
 498                 if ( $numeric ) {
 499                         $a->[1] <=> $b->[1]
 500                 } else {
 501                         $a->[1] cmp $b->[1]
 502                 }
 503         } map {
 504                 [ $nr++, exists $_->{$order} ? join('', @{$_->{$order}}) : $missing ]
 505         } @{ $data->{items} }
 506         ;
 507
 508         warn "sorted: $order numeric: $numeric items: ", $#sorted + 1, "\n";
 509         #warn "# sorted ",dump( @sorted );
 510
 511         $loaded->{$path}->{sorted}->{$order} = [ @sorted ];
 512 }
 513
 514
 515 sub items {
 516         my $self = shift;
 517
 518         my $path = $self->session('path');
 519         $self->redirect_to('/data/index') unless defined $loaded->{ $path };
 520
 521         my @columns = $self->_param_array('columns');
 522         $self->redirect_to('/data/columns') unless @columns;
 523         my $order   = $self->_param_scalar('order', $columns[0]);
 524         my $sort    = $self->_param_scalar('sort', 'a');
 525         my $offset  = $self->_param_scalar('offset', 0);
 526         my $limit   = $self->_param_scalar('limit', 20);
 527         $self->_param_scalar('show', 'table');
 528
 529         # fix offset when changing limit
 530         $offset = int( $offset / $limit ) * $limit;
 531
 532         my $sorted = $self->_data_sorted_by( $order );
 533
 534         my @filter_names;
 535         if ( $filters ) {
 536                 foreach my $name ( keys %$filters ) {
 537                         if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
 538                                 warn "skip filter $name not found in $path\n";
 539                                 next;
 540                         }
 541                         push @filter_names, $name;
 542                 }
 543                 warn "filter_names ",dump( @filter_names );
 544                 foreach my $name ( @filter_names ) {
 545                         next if ref $loaded->{$path}->{filters}->{$name} eq 'ARRAY';
 546                         $self->_filter_on_data( $name, @{ $filters->{$name} } );
 547                 }
 548         }
 549
 550         my $all_filters = join(' ',sort @filter_names,'order:',$order);
 551
 552 #       warn "# all_filters $all_filters ", dump( $loaded->{$path}->{filtered}->{$all_filters} );
 553
 554         if ( ! defined $loaded->{$path}->{filtered}->{$all_filters} ) {
 555
 556                 my $path_filters = $loaded->{$path}->{filters};
 557
 558                 warn "create combined filter for $all_filters\n";
 559
 560                 my @filtered;
 561                 foreach my $i ( 0 .. $#$sorted ) {
 562                         my $pos = $sorted->[$i];
 563
 564                         if ( $#filter_names == -1 ) {
 565                                 push @filtered, $pos;
 566                                 next;
 567                         }
 568
 569                         my $skip = 0;
 570                         foreach ( @filter_names ) {
 571                                 $skip ||= 1 if ! defined $path_filters->{$_}->{$pos};
 572                         }
 573                         next if $skip;
 574
 575                         push @filtered, $pos;
 576                 }
 577
 578                 $loaded->{$path}->{filtered}->{$all_filters} = [ @filtered ];
 579         }
 580
 581         my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
 582                 if defined $loaded->{$path}->{filtered}->{$all_filters};
 583
 584         warn "all_filters $all_filters produced ", $#$filtered + 1, " items\n" if $filtered;
 585
 586         my $sorted_items;
 587         my $data = $self->_loaded('data');
 588         my $from_end = $sort eq 'd' ? $#$filtered : 0;
 589         foreach ( 0 .. $limit ) {
 590                 my $i = $_ + $offset;
 591                 last unless defined $filtered->[$i];
 592                 $i = $from_end - $i if $from_end;
 593                 my $id = $filtered->[$i];
 594                 push @$sorted_items,
 595                 my $item = $data->{items}->[ $id ];
 596                 $item->{_row_id} ||= $id;
 597         }
 598
 599         warn "# sorted_items ", $#$sorted_items + 1, " offset $offset limit $limit order $sort";
 600
 601         $self->render(
 602                 order => $order,
 603                 offset => $offset,
 604                 limit => $limit,
 605                 sorted => $sorted_items,
 606                 columns => [ @columns ],
 607                 rows => $#$filtered + 1,
 608                 numeric => { map { $_, $self->_is_numeric($_) } @columns },
 609                 filters => $self->_current_filters,
 610         );
 611
 612 }
 613
 614
 615 sub order {
 616         my $self = shift;
 617         $self->session('order', $self->param('order'));
 618         $self->session('sort', $self->param('sort'));
 619         $self->redirect_to('/data/items');
 620 }
 621
 622 sub _is_numeric {
 623         my ( $self, $name ) = @_;
 624
 625         my $stats = $self->_loaded( 'stats' );
 626
 627         # sort facet numerically if more >50% elements are numeric
 628         my $count = $stats->{$name}->{count};
 629         $count   -= $stats->{$name}->{empty} if defined $stats->{$name}->{empty};
 630         defined $stats->{$name}->{numeric} &&
 631                 $stats->{$name}->{numeric} > $count / 2;
 632 }
 633
 634 sub _remove_filter {
 635         my ($self,$name) = @_;
 636         warn "_remove_filter $name\n";
 637
 638         my $path = $self->session('path');
 639
 640         delete $filters->{$name};
 641         delete $loaded->{$path}->{filters}->{$name};
 642         warn "filters left: ", keys %{ $loaded->{$path}->{filters} };
 643
 644         foreach (
 645                         grep { /\b$name\b/ }
 646                         keys %{ $loaded->{$path}->{filtered} }
 647         ) {
 648                 delete $loaded->{$path}->{filtered}->{$_};
 649                 warn "remove filtered cache $_";
 650         }
 651 }
 652
 653 sub facet {
 654         my $self = shift;
 655
 656         my $path = $self->session('path') || $self->redirect_to( '/data/index' );
 657
 658         if ( my $name = $self->param('remove') ) {
 659                 $self->_remove_filter( $name );
 660                 $self->redirect_to( '/data/items' );
 661         }
 662
 663         my $facet;
 664         my $name = $self->param('name') || die "no name";
 665
 666         my $all = $self->_param_scalar('all', 1);
 667         my $data = $self->_loaded('data');
 668
 669         my $filters = $self->_current_filters;
 670         my $all_filters = join(' ',sort keys %$filters,'order:',$self->session('order'));
 671         my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
 672                 if defined $loaded->{$path}->{filtered}->{$all_filters};
 673
 674         if ( ! $filtered || $all ) {
 675                 $filtered = [ 0 .. $#{ $data->{items} } ];
 676                 warn "filter all values\n";
 677         } else {
 678                 warn "filter using $all_filters\n";
 679         }
 680
 681         foreach my $i ( @$filtered ) {
 682                 my $item = $data->{items}->[$i];
 683                 if ( ! exists $item->{$name} ) {
 684                         $facet->{ _missing }++;
 685                 } elsif ( ref $item->{$name} eq 'ARRAY' ) {
 686                         $facet->{$_}++ foreach @{ $item->{$name} };
 687                 } else {
 688                         $facet->{ $item->{$name} }++;
 689                 }
 690         }
 691
 692 #       warn "# facet $name ",dump $facet;
 693
 694         my $checked;
 695         my @facet_names =
 696                   $all                      ? keys %$facet
 697                 : defined $filters->{$name} ? @{ $filters->{$name} }
 698                 : keys %$facet;
 699
 700         $checked = $self->_checked( @{ $filters->{$name} } ) if defined $filters->{$name};
 701
 702         my $numeric = $self->_is_numeric($name);
 703
 704         my $sort = $self->param('sort');
 705         # sort numeric facets with more than 5 values ascending
 706         $sort ||= $numeric && $#facet_names > 4 ? 'a' : 'c';
 707
 708         @facet_names = sort {
 709                 my $result;
 710                 if ( $sort eq 'a' ) {
 711                         $result = $numeric ? $a <=> $b : lc $a cmp lc $b;
 712                 } elsif ( $sort eq 'd' ) {
 713                         $result = $numeric ? $b <=> $a : lc $b cmp lc $a;
 714                 } elsif ( $sort eq 'c' ) {
 715                         $result = ( $facet->{$b} || -1 ) <=> ( $facet->{$a} || -1 )
 716                 } else {
 717                         warn "unknown sort: $sort";
 718                         $result = $a cmp $b;
 719                 }
 720                 $result = $a cmp $b unless defined $result; # FIXME cludge for numeric facets with invalid data
 721                 $result;
 722         } @facet_names;
 723
 724         $self->render( name => $name, facet => $facet, checked => $checked,
 725                 facet_names => \@facet_names, sort => $sort, numeric => $numeric,
 726         );
 727 }
 728
 729 sub edit {
 730         my $self = shift;
 731         my $new_content = $self->param('new_content');
 732
 733         my $i = $self->param('_row_id');
 734         die "invalid _row_id ",dump($i) unless $i =~ m/^\d+$/;
 735         my $path = $self->param('path') || die "no path";
 736         my $name = $self->param('name') || die "no name";
 737         my $status = 200; # 200 = OK, 201 = Created
 738
 739         my $data = $self->_loaded('data');
 740
 741         if ( defined $loaded->{$path}->{data}->{items}->[$i] ) {
 742                 $new_content =~ s/^\s+//s;
 743                 $new_content =~ s/\s+$//s;
 744                 my $v;
 745                 if ( $new_content =~ /\xB6/ ) { # para
 746                         $v = [ split(/\s*\xB6\s*/, $new_content) ];
 747                 } else {
 748                         $v = [ $new_content ];
 749                 }
 750
 751                 my $old = dump $loaded->{$path}->{data}->{items}->[$i]->{$name};
 752                 my $new = dump $v;
 753                 if ( $old ne $new
 754                         && ! ( $old eq 'undef' && length($new_content) == 0 ) # new value empty, previous undef
 755                 ) {
 756                         my $edit = {
 757                                 path => $path,
 758                                 column => $name,
 759                                 pos => $i,
 760                                 old => $loaded->{$path}->{data}->{items}->[$i]->{$name},
 761                                 new => $v,
 762                                 time => $self->param('time') || time(),
 763                                 user => $self->param('user') || $ENV{'LOGNAME'},
 764                                 unique => {
 765                                         map { $_ => $loaded->{$path}->{data}->{items}->[$i]->{$_}->[0] }
 766                                         grep { defined $loaded->{$path}->{stats}->{$_}->{unique} }
 767                                         keys %{ $loaded->{$path}->{stats} }
 768                                 },
 769                         };
 770                         my $edit_path = $self->_permanent_path( 'edits' );
 771                         mkdir $edit_path unless -d $edit_path;
 772                         $edit_path .= '/' . $edit->{time};
 773                         store $edit, $edit_path;
 774                         utime $edit->{time}, $edit->{time}, $edit_path;
 775                         warn "# $edit_path ", dump($edit);
 776
 777                         warn "# edit $path $i $old -> $new\n";
 778                         $loaded->{$path}->{data}->{items}->[$i]->{$name} = $v;
 779
 780                         if ( defined $loaded->{$path}->{sorted}->{$name} ) {
 781                             delete $loaded->{$path}->{sorted}->{$name};
 782                                 warn "# invalidate $path sorted $name\n";
 783                         }
 784
 785                         foreach ( grep { m/$name/ } keys %{ $loaded->{$path}->{filtered} } ) {
 786                             delete $loaded->{$path}->{filtered}->{$_};
 787                                 warn "# invalidate $path filtered $_\n";
 788                         }
 789
 790                         $status = 201; # created
 791                         $loaded->{$path}->{modified}  = 1;
 792                         $self->session( 'modified' => 1 );
 793
 794                         $new_content = join("\xB6",@$v);
 795
 796                 } else {
 797                         warn "# unchanged $path $i $old\n";
 798                         $status = 304;
 799                 }
 800         } else {
 801                 $new_content = "$path $i $name doesn't exist\n";
 802                 $status = 404;
 803         }
 804
 805         warn "# edit $status ", dump $new_content;
 806
 807         $self->render(
 808                 status => $status,
 809                 new_content => scalar $new_content,
 810         );
 811 }
 812
 813
 814 sub save {
 815         my $self = shift;
 816         my $path = $self->_param_or_session('path');
 817         my $dump_path = $self->_save( $path );
 818         $loaded->{$path}->{modified} = 0;
 819         $self->session( 'modified' => 0 );
 820
 821         $self->redirect_to( '/data/items' );
 822 }
 823
 824 sub export {
 825         my $self = shift;
 826         $self->render( export => [
 827                 map { s{^.+/public/export/}{}; $_ }
 828                 glob( $self->_export_path . '*' )
 829         ] );
 830 }
 831
 832 sub __loaded_paths {
 833         return
 834                 grep { defined $loaded->{$_}->{data} }
 835                 keys %$loaded;
 836 }
 837
 838 1;