lib/MojoFacets/Data.pm

   1 package MojoFacets::Data;
   2
   3 use strict;
   4 use warnings;
   5
   6 use base 'Mojolicious::Controller';
   7
   8 use Data::Dump qw(dump);
   9 use File::Slurp;
  10 use Encode;
  11 use locale;
  12 use File::Find;
  13 use Storable;
  14 use Time::HiRes qw(time);
  15 use File::Path qw(mkpath);
  16
  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 $changes;
  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/([^\/]+)\.changes\/(\d+\.\d+.+)/ ) {
  37                         push @{ $changes->{$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                 changes => $changes,
  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( full_path => $full_path, path => $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
 257         if ( $loaded->{$path}->{modified} > 1 ) {
 258                 my $caller = (caller(1))[3];
 259                 if ( $caller =~ m/::edit/ ) {
 260                         warn "rebuild stats for $path ignored caller $caller\n";
 261                 } else {
 262                         warn "rebuild stats for $path FORCED by modified caller $caller\n";
 263                         $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
 264                         $loaded->{$path}->{modified} = 1;
 265                 }
 266         }
 267
 268         if ( ! defined $loaded->{$path}->{$name} ) {
 269                 warn "$path $name isn't loaded\n";
 270                 $self->_load_path( $path );
 271                 $self->redirect_to('/data/index')
 272                         unless defined $loaded->{$path}->{$name};
 273                 if ( ! defined $loaded->{$path}->{stats} ) {
 274                         warn "rebuild stats for $path\n";
 275                         $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
 276                 }
 277         }
 278         return $loaded->{$path}->{$name};
 279 }
 280
 281
 282 sub _checked {
 283         my $self = shift;
 284         my $checked;
 285         $checked->{$_}++ foreach @_;
 286 #       warn "# _checked ",dump($checked);
 287         return $checked;
 288 }
 289
 290 sub _permanent_path {
 291         my $self = shift;
 292         my $path = $self->_param_or_session('path');
 293         $self->app->home->rel_dir('data') . '/' . join('.', $path, @_);
 294 }
 295
 296 sub _export_path {
 297         my $self = shift;
 298         my $path = $self->_param_or_session('path');
 299         if ( ! $path ) {
 300                 warn "no path in param or session";
 301                 return;
 302         }
 303         my $dir = $self->app->home->rel_dir('public') . "/export/$path";
 304         mkpath $dir unless -e $dir;
 305         $dir . '/' . join('.', @_);
 306 }
 307
 308 sub columns {
 309     my $self = shift;
 310
 311         if ( $self->param('columns') ) {
 312                 my @columns = $self->_param_array('columns');
 313                 write_file( $self->_permanent_path( 'columns' ), map { "$_\n" } @columns );
 314                 $self->redirect_to('/data/items');
 315         }
 316
 317         my $stats = $self->_loaded( 'stats' );
 318
 319         my @columns;
 320         @columns = grep { defined $stats->{$_}->{count} } @{ $self->session('columns') } if $self->session('columns');
 321
 322         foreach my $c ( @{ $self->session( 'header' ) } ) {
 323                 push @columns, $c unless grep { /^\Q$c\E$/ } @columns;
 324         }
 325
 326     $self->render(
 327                 message => 'Select columns to display',
 328                 stats => $stats,
 329                 columns => \@columns,
 330                 checked => $self->_checked( $self->_param_array('columns') ),
 331         );
 332 }
 333
 334 sub _param_array {
 335     my ($self,$name) = @_;
 336
 337         my @array = $self->param($name);
 338         my $path  = $self->session('path');
 339
 340         if ( @array ) {
 341                 $self->session($name => [ @array ]);
 342                 $loaded->{$path}->{$name} = [ @array ];
 343         } elsif ( my $session = $self->session($name) ) {
 344                 if ( ref $session eq 'ARRAY' ) {
 345                         @array = @$session;
 346                 } else {
 347                         die "$name not array ",dump($session);
 348                 }
 349         }
 350         #warn "# $name ",dump @array;
 351         return @array;
 352 }
 353
 354 sub _param_scalar {
 355     my ($self,$name,$default) = @_;
 356
 357         my $scalar = $self->param($name);
 358
 359         if ( defined $scalar ) {
 360                 $self->session($name => $scalar);
 361         } else {
 362                 $scalar = $self->session($name);
 363         }
 364
 365         if ( ! defined $scalar ) {
 366                 $scalar = $default;
 367                 die "no default for $name" unless defined $scalar;
 368                 $self->session($name => $scalar);
 369         }
 370
 371         warn "# _perm_scalar $name ",dump $scalar;
 372         return $scalar;
 373 }
 374
 375 sub filter {
 376         my $self = shift;
 377
 378         my $name = $self->param('filter_name') || die "name?";
 379         my @vals = $self->param('filter_vals');
 380
 381         $self->_remove_filter( $name );
 382         if ( @vals ) {
 383                 $self->_filter_on_data( $name, @vals );
 384                 if ( my $permanent = $self->param('_permanent') ) {
 385                         my $permanent_path = $self->_export_path( 'filter', $name, $permanent );
 386                         write_file $permanent_path, map { "$_\n" } @vals;
 387                         warn "permanent filter $permanent_path ", -s $permanent_path;
 388                 }
 389         }
 390
 391         $self->session( 'offset' => 0 );
 392
 393         $self->redirect_to('/data/items');
 394 }
 395
 396 sub _filter_on_data {
 397         my ( $self, $name, @vals ) = @_;
 398
 399         my $path = $self->session('path');
 400
 401         if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
 402                 warn "filter $name not found in data set";
 403                 return;
 404         }
 405
 406         $filters->{$name} = [ @vals ];
 407         warn "_filter_on_data $name ", $#vals + 1, " values on $path\n";
 408
 409         my $filter_hash;
 410         $filter_hash->{$_}++ foreach @vals;
 411
 412         #warn "# filter_hash ",dump( $filter_hash );
 413
 414         my $items = $self->_loaded('data')->{items};
 415
 416         my $include_missing = defined $filter_hash->{_missing};
 417         my $filtered_items;
 418
 419         foreach my $i ( 0 .. $#$items ) {
 420
 421                 if ( defined $items->[$i]->{$name} ) {
 422                         foreach my $v ( @{ $items->[$i]->{$name} } ) {
 423                                 if ( defined $filter_hash->{ $v } ) {
 424                                         $filtered_items->{$i}++;
 425                                 }
 426                         }
 427                 } elsif ( $include_missing ) {
 428                         $filtered_items->{$i}++;
 429                 }
 430         }
 431
 432         #warn "# filter $name ",dump($filtered_items);
 433
 434         $loaded->{$path}->{filters}->{$name} = $filtered_items;
 435         warn "filter $name with ", scalar keys %$filtered_items, " items created\n";
 436 }
 437
 438 sub _data_items {
 439         my ( $self, $all ) = @_;
 440         my $data = $self->_loaded( 'data' );
 441
 442         return @{ $data->{items} } if $all == 1;
 443
 444         my $filters = $self->_current_filters;
 445         my $filter_value;
 446         foreach my $f ( keys %$filters ) {
 447                 foreach my $n ( @{ $filters->{$f} } ) {
 448                         $filter_value->{$f}->{$n} = 1;
 449                 }
 450         }
 451         my @items = @{ $data->{items} };
 452         @items = grep {
 453                 my $i = $_;
 454                 my $pass = 1;
 455                 foreach my $n ( keys %$filter_value ) {
 456                         if ( ! exists $i->{$n} ) {
 457                                 if ( defined $filter_value->{$n}->{_missing} ) {
 458                                         $pass = 1;
 459                                         next;
 460                                 } else {
 461                                         $pass = 0;
 462                                         last;
 463                                 }
 464                         }
 465                         # and match any of values in element
 466                         my $have_values = 0;
 467                         foreach my $v ( @{ $i->{$n} } ) { # FIXME not array?
 468                                 $have_values ||= 1 if defined $filter_value->{$n}->{$v};
 469                         }
 470                         if ( ! $have_values ) {
 471                                 $pass = 0;
 472                                 last;
 473                         }
 474                 }
 475                 $pass;
 476         } @items if $filter_value;
 477         return @items;
 478 }
 479
 480
 481 sub _current_filters {
 482         my $self = shift;
 483         my $current_filters;
 484         $current_filters->{ $_ } = $filters->{ $_ }
 485                 foreach (
 486                         grep { defined $filters->{ $_ } }
 487                         @{ $self->_loaded('header') }
 488                 );
 489         #warn "# current_filters ",dump($current_filters);
 490         return $current_filters;
 491 }
 492
 493 sub _data_sorted_by {
 494         my ( $self, $order ) = @_;
 495
 496         my $path = $self->session('path');
 497
 498         warn "_data_sorted_by $order from $path";
 499
 500         if ( defined $loaded->{$path}->{sorted}->{$order} ) {
 501                 return $loaded->{$path}->{sorted}->{$order};
 502         }
 503
 504         my $data = $self->_loaded( 'data' );
 505         my $numeric = $self->_is_numeric($order);
 506         my $missing = $numeric ? 0 : '';
 507         no warnings qw(numeric);
 508         my $nr = 0;
 509         my @sorted = map {
 510                 $_->[0]
 511         } sort {
 512                 if ( $numeric ) {
 513                         $a->[1] <=> $b->[1]
 514                 } else {
 515                         $a->[1] cmp $b->[1]
 516                 }
 517         } map {
 518                 [ $nr++, exists $_->{$order} ? join('', @{$_->{$order}}) : $missing ]
 519         } grep { ref $_->{$order} eq 'ARRAY' } @{ $data->{items} }
 520         ;
 521
 522         warn "sorted: $order numeric: $numeric items: ", $#sorted + 1, "\n";
 523         #warn "# sorted ",dump( @sorted );
 524
 525         $loaded->{$path}->{sorted}->{$order} = [ @sorted ];
 526 }
 527
 528
 529 sub items {
 530         my $self = shift;
 531
 532         my $path = $self->session('path');
 533         $self->redirect_to('/data/index') unless defined $loaded->{ $path };
 534
 535         my @columns = $self->_param_array('columns');
 536         $self->redirect_to('/data/columns') unless @columns;
 537         my $order   = $self->_param_scalar('order', $columns[0]);
 538         my $sort    = $self->_param_scalar('sort', 'a');
 539         my $offset  = $self->_param_scalar('offset', 0);
 540         my $limit   = $self->_param_scalar('limit', 20);
 541         $self->_param_scalar('show', 'table');
 542
 543         # fix offset when changing limit
 544         $offset = int( $offset / $limit ) * $limit;
 545
 546         my $sorted = $self->_data_sorted_by( $order );
 547
 548         my @filter_names;
 549         if ( $filters ) {
 550                 foreach my $name ( keys %$filters ) {
 551                         if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
 552                                 warn "skip filter $name not found in $path\n";
 553                                 next;
 554                         }
 555                         push @filter_names, $name;
 556                 }
 557                 warn "filter_names ",dump( @filter_names );
 558                 foreach my $name ( @filter_names ) {
 559                         next if ref $loaded->{$path}->{filters}->{$name} eq 'ARRAY';
 560                         $self->_filter_on_data( $name, @{ $filters->{$name} } );
 561                 }
 562         }
 563
 564         my $all_filters = join(' ',sort @filter_names,'order:',$order);
 565
 566 #       warn "# all_filters $all_filters ", dump( $loaded->{$path}->{filtered}->{$all_filters} );
 567
 568         if ( ! defined $loaded->{$path}->{filtered}->{$all_filters} ) {
 569
 570                 my $path_filters = $loaded->{$path}->{filters};
 571
 572                 warn "create combined filter for $all_filters\n";
 573
 574                 my @filtered;
 575                 foreach my $i ( 0 .. $#$sorted ) {
 576                         my $pos = $sorted->[$i];
 577
 578                         if ( $#filter_names == -1 ) {
 579                                 push @filtered, $pos;
 580                                 next;
 581                         }
 582
 583                         my $skip = 0;
 584                         foreach ( @filter_names ) {
 585                                 $skip ||= 1 if ! defined $path_filters->{$_}->{$pos};
 586                         }
 587                         next if $skip;
 588
 589                         push @filtered, $pos;
 590                 }
 591
 592                 $loaded->{$path}->{filtered}->{$all_filters} = [ @filtered ];
 593         }
 594
 595         my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
 596                 if defined $loaded->{$path}->{filtered}->{$all_filters};
 597
 598         warn "all_filters $all_filters produced ", $#$filtered + 1, " items\n" if $filtered;
 599
 600         my $sorted_items;
 601         my $data = $self->_loaded('data');
 602         my $from_end = $sort eq 'd' ? $#$filtered : 0;
 603         foreach ( 0 .. $limit ) {
 604                 my $i = $_ + $offset;
 605                 last unless defined $filtered->[$i];
 606                 $i = $from_end - $i if $from_end;
 607                 my $id = $filtered->[$i];
 608                 push @$sorted_items,
 609                 my $item = $data->{items}->[ $id ];
 610                 $item->{_row_id} ||= $id;
 611         }
 612
 613         warn "# sorted_items ", $#$sorted_items + 1, " offset $offset limit $limit order $sort";
 614
 615         $self->render(
 616                 order => $order,
 617                 offset => $offset,
 618                 limit => $limit,
 619                 sorted => $sorted_items,
 620                 columns => [ @columns ],
 621                 rows => $#$filtered + 1,
 622                 numeric => { map { $_, $self->_is_numeric($_) } @columns },
 623                 filters => $self->_current_filters,
 624         );
 625
 626 }
 627
 628
 629 sub order {
 630         my $self = shift;
 631         $self->session('order', $self->param('order'));
 632         $self->session('sort', $self->param('sort'));
 633         $self->redirect_to('/data/items');
 634 }
 635
 636 sub _is_numeric {
 637         my ( $self, $name ) = @_;
 638
 639         my $stats = $self->_loaded( 'stats' );
 640
 641         # sort facet numerically if more >50% elements are numeric
 642         my $count = $stats->{$name}->{count};
 643         $count   -= $stats->{$name}->{empty} if defined $stats->{$name}->{empty};
 644         defined $stats->{$name}->{numeric} &&
 645                 $stats->{$name}->{numeric} > $count / 2;
 646 }
 647
 648 sub _remove_filter {
 649         my ($self,$name) = @_;
 650         warn "_remove_filter $name\n";
 651
 652         my $path = $self->session('path');
 653
 654         delete $filters->{$name};
 655         delete $loaded->{$path}->{filters}->{$name};
 656         warn "filters left: ", keys %{ $loaded->{$path}->{filters} };
 657
 658         foreach (
 659                         grep { /\b$name\b/ }
 660                         keys %{ $loaded->{$path}->{filtered} }
 661         ) {
 662                 delete $loaded->{$path}->{filtered}->{$_};
 663                 warn "remove filtered cache $_";
 664         }
 665 }
 666
 667 sub facet {
 668         my $self = shift;
 669
 670         my $path = $self->session('path') || $self->redirect_to( '/data/index' );
 671
 672         if ( my $name = $self->param('remove') ) {
 673                 $self->_remove_filter( $name );
 674                 $self->redirect_to( '/data/items' );
 675         }
 676
 677         my $facet;
 678         my $name = $self->param('name') || die "no name";
 679
 680         my $all = $self->_param_scalar('all', 1);
 681         my $data = $self->_loaded('data');
 682
 683         my $filters = $self->_current_filters;
 684         my $all_filters = join(' ',sort keys %$filters,'order:',$self->session('order'));
 685         my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
 686                 if defined $loaded->{$path}->{filtered}->{$all_filters};
 687
 688         if ( ! $filtered || $all ) {
 689                 $filtered = [ 0 .. $#{ $data->{items} } ];
 690                 warn "filter all values\n";
 691         } else {
 692                 warn "filter using $all_filters\n";
 693         }
 694
 695         foreach my $i ( @$filtered ) {
 696                 my $item = $data->{items}->[$i];
 697                 if ( ! exists $item->{$name} ) {
 698                         $facet->{ _missing }++;
 699                 } elsif ( ref $item->{$name} eq 'ARRAY' ) {
 700                         $facet->{$_}++ foreach @{ $item->{$name} };
 701                 } else {
 702                         $facet->{ $item->{$name} }++;
 703                 }
 704         }
 705
 706 #       warn "# facet $name ",dump $facet;
 707
 708         my $checked;
 709         my @facet_names =
 710                   $all                      ? keys %$facet
 711                 : defined $filters->{$name} ? @{ $filters->{$name} }
 712                 : keys %$facet;
 713
 714         $checked = $self->_checked( @{ $filters->{$name} } ) if defined $filters->{$name};
 715
 716         my $numeric = $self->_is_numeric($name);
 717
 718         my $sort = $self->param('sort');
 719         # sort numeric facets with more than 5 values ascending
 720         $sort ||= $numeric && $#facet_names > 4 ? 'a' : 'c';
 721
 722         @facet_names = sort {
 723                 my $result;
 724                 if ( $sort eq 'a' ) {
 725                         $result = $numeric ? $a <=> $b : lc $a cmp lc $b;
 726                 } elsif ( $sort eq 'd' ) {
 727                         $result = $numeric ? $b <=> $a : lc $b cmp lc $a;
 728                 } elsif ( $sort eq 'c' ) {
 729                         $result = ( $facet->{$b} || -1 ) <=> ( $facet->{$a} || -1 )
 730                 } else {
 731                         warn "unknown sort: $sort";
 732                         $result = $a cmp $b;
 733                 }
 734                 $result = $a cmp $b unless defined $result; # FIXME cludge for numeric facets with invalid data
 735                 $result;
 736         } @facet_names;
 737
 738         $self->render( name => $name, facet => $facet, checked => $checked,
 739                 facet_names => \@facet_names, sort => $sort, numeric => $numeric,
 740         );
 741 }
 742
 743
 744 sub _invalidate_path_column {
 745         my ( $path, $name ) = @_;
 746
 747         if ( defined $loaded->{$path}->{sorted}->{$name} ) {
 748                 delete $loaded->{$path}->{sorted}->{$name};
 749                 warn "# invalidate $path sorted $name\n";
 750         }
 751
 752         foreach ( grep { m/$name/ } keys %{ $loaded->{$path}->{filtered} } ) {
 753                 delete $loaded->{$path}->{filtered}->{$_};
 754                 warn "# invalidate $path filtered $_\n";
 755         }
 756 }
 757
 758
 759 sub edit {
 760         my $self = shift;
 761         my $new_content = $self->param('new_content');
 762         $new_content  ||= $self->param('content'); # backward compatibility with old actions
 763
 764         my $i = $self->param('_row_id');
 765         die "invalid _row_id ",dump($i) unless $i =~ m/^\d+$/;
 766         my $path = $self->param('path') || die "no path";
 767         my $name = $self->param('name') || die "no name";
 768         my $status = 200; # 200 = OK, 201 = Created
 769
 770         my $data = $self->_loaded('data');
 771
 772         if ( defined $loaded->{$path}->{data}->{items}->[$i] ) {
 773                 $new_content =~ s/^\s+//s;
 774                 $new_content =~ s/\s+$//s;
 775                 my $v;
 776                 if ( $new_content =~ /\xB6/ ) { # para
 777                         $v = [ split(/\s*\xB6\s*/, $new_content) ];
 778                 } else {
 779                         $v = [ $new_content ];
 780                 }
 781
 782                 my $old = dump $loaded->{$path}->{data}->{items}->[$i]->{$name};
 783                 my $new = dump $v;
 784                 if ( $old ne $new
 785                         && ! ( $old eq 'undef' && length($new_content) == 0 ) # new value empty, previous undef
 786                 ) {
 787                         my $change = {
 788                                 path => $path,
 789                                 column => $name,
 790                                 pos => $i,
 791                                 old => $loaded->{$path}->{data}->{items}->[$i]->{$name},
 792                                 new => $v,
 793                                 time => $self->param('time') || time(),
 794                                 user => $self->param('user') || $ENV{'LOGNAME'},
 795                                 unique => {
 796                                         map { $_ => $loaded->{$path}->{data}->{items}->[$i]->{$_}->[0] }
 797                                         grep { defined $loaded->{$path}->{stats}->{$_}->{unique} }
 798                                         keys %{ $loaded->{$path}->{stats} }
 799                                 },
 800                         };
 801                         my $change_path = $self->_permanent_path( 'changes' );
 802                         mkdir $change_path unless -d $change_path;
 803                         $change_path .= '/' . $change->{time};
 804                         store $change, $change_path;
 805                         utime $change->{time}, $change->{time}, $change_path;
 806                         warn "# $change_path ", dump($change);
 807
 808                         warn "# change $path $i $old -> $new\n";
 809                         $loaded->{$path}->{data}->{items}->[$i]->{$name} = $v;
 810
 811                         _invalidate_path_column( $path, $name );
 812
 813                         $status = 201; # created
 814                         # modified = 2 -- force rebuild of stats
 815                         $loaded->{$path}->{modified}  = 2;
 816                         $self->session( 'modified' => 2 );
 817
 818                         $new_content = join("\xB6",@$v);
 819
 820                 } else {
 821                         warn "# unchanged $path $i $old\n";
 822                         $status = 304;
 823                 }
 824         } else {
 825                 $new_content = "$path $i $name doesn't exist\n";
 826                 $status = 404;
 827         }
 828
 829         warn "# edit $status ", dump $new_content;
 830
 831         $self->render(
 832                 status => $status,
 833                 new_content => scalar $new_content,
 834         );
 835 }
 836
 837
 838 sub save {
 839         my $self = shift;
 840         my $path = $self->_param_or_session('path');
 841         my $dump_path = $self->_save( $path );
 842         $loaded->{$path}->{modified} = 0;
 843         $self->session( 'modified' => 0 );
 844
 845         $self->redirect_to( '/data/items' );
 846 }
 847
 848 sub export {
 849         my $self = shift;
 850
 851         if ( my $import = $self->param('import') ) {
 852
 853                 if ( $import =~ m{/filter\.(.+?)\..+} ) {
 854                         my $name = $1;
 855                         my @vals = map { chomp; $_ }
 856                                 read_file $self->app->home->rel_dir('public') . "/export/$import";
 857                         $self->_remove_filter( $name );
 858                         $self->_filter_on_data( $name, @vals );
 859                         $self->session( 'offset' => 0 );
 860                         $self->redirect_to('/data/items');
 861                 } else {
 862                         warn "UNKNOWN IMPORT $import";
 863                 }
 864         }
 865
 866         $self->render( export => [
 867                 glob( $self->_export_path . '*' )
 868         ] );
 869 }
 870
 871 sub __loaded_paths {
 872         return
 873                 grep { defined $loaded->{$_}->{data} }
 874                 keys %$loaded;
 875 }
 876
 877 1;