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 $path = $self->param('path') || $self->redirect_to( '/data/index' );
 221
 222         my @paths = $self->param('paths');
 223         warn "# paths ", dump @paths;
 224
 225         foreach my $p ( keys %$loaded ) {
 226                 next if grep { /^\Q$p\E$/ } @paths;
 227                 warn "remove $p from memory\n";
 228                 delete $loaded->{$p};
 229         }
 230
 231         $self->_load_path( $_ ) foreach @paths;
 232
 233         warn "# path $path\n";
 234         $self->_load_path( $path );
 235
 236         $self->session( 'path' => $path );
 237
 238         my $redirect_to = '/data/items';
 239
 240         $self->session( 'header' => $loaded->{$path}->{header} );
 241         if ( ! defined $loaded->{$path}->{columns} ) {
 242                 my $columns_path = $self->_permanent_path( 'columns' );
 243                 if ( -e $columns_path ) {
 244                         my @columns = map { s/[\r\n]+$//; $_ } read_file $columns_path;
 245                         $loaded->{$path}->{columns} = [ @columns ];
 246                         warn "# columns_path $columns_path ",dump(@columns);
 247                 } else {
 248                         $loaded->{$path}->{columns} = $loaded->{$path}->{header}
 249                 }
 250
 251                 $redirect_to = '/data/columns';
 252         }
 253         $self->session( 'columns' => $loaded->{$path}->{columns} );
 254         $self->session( 'order'   => $loaded->{$path}->{columns}->[0] );
 255         $self->redirect_to( $redirect_to );
 256 }
 257
 258
 259 sub _loaded {
 260         my ( $self, $name ) = @_;
 261         my $path = $self->session('path') || $self->param('path');
 262         $self->redirect_to('/data/index') unless $path;
 263
 264         if ( defined $loaded->{$path}->{modified} && $loaded->{$path}->{modified} > 1 ) {
 265                 my $caller = (caller(1))[3];
 266                 if ( $caller =~ m/::edit/ ) {
 267                         warn "rebuild stats for $path ignored caller $caller\n";
 268                 } else {
 269                         warn "rebuild stats for $path FORCED by modified caller $caller\n";
 270                         $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
 271                         $loaded->{$path}->{modified} = 1;
 272                 }
 273         }
 274
 275         if ( ! defined $loaded->{$path}->{$name} ) {
 276                 warn "$path $name isn't loaded\n";
 277                 $self->_load_path( $path );
 278                 if ( ! defined $loaded->{$path}->{stats} ) {
 279                         warn "rebuild stats for $path\n";
 280                         $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
 281                 }
 282                 if ( ! defined $loaded->{$path}->{$name} ) {
 283                         warn "MISSING $name for $path\n";
 284                         $self->redirect_to('/data/index')
 285                 }
 286         }
 287
 288         $self->session( 'modified' => $loaded->{$path}->{modified} );
 289
 290         return $loaded->{$path}->{$name};
 291 }
 292
 293
 294 sub _checked {
 295         my $self = shift;
 296         my $checked;
 297         $checked->{$_}++ foreach @_;
 298 #       warn "# _checked ",dump($checked);
 299         return $checked;
 300 }
 301
 302 sub _permanent_path {
 303         my $self = shift;
 304         my $path = $self->_param_or_session('path');
 305         $self->app->home->rel_dir('data') . '/' . join('.', $path, @_);
 306 }
 307
 308 sub _export_path {
 309         my $self = shift;
 310         my $path = $self->_param_or_session('path');
 311         if ( ! $path ) {
 312                 warn "no path in param or session";
 313                 return;
 314         }
 315         my $dir = $self->app->home->rel_dir('public') . "/export/$path";
 316         mkpath $dir unless -e $dir;
 317         $dir . '/' . join('.', @_);
 318 }
 319
 320 sub columns {
 321     my $self = shift;
 322
 323         if ( $self->param('columns') ) {
 324                 my @columns = $self->_param_array('columns');
 325                 write_file( $self->_permanent_path( 'columns' ), map { "$_\n" } @columns );
 326                 $self->redirect_to('/data/items');
 327         }
 328
 329         my $stats = $self->_loaded( 'stats' );
 330
 331         my @columns;
 332         @columns = grep { defined $stats->{$_}->{count} } @{ $self->session('columns') } if $self->session('columns');
 333
 334         foreach my $c ( @{ $self->session( 'header' ) } ) {
 335                 push @columns, $c unless grep { /^\Q$c\E$/ } @columns;
 336         }
 337
 338     $self->render(
 339                 message => 'Select columns to display',
 340                 stats => $stats,
 341                 columns => \@columns,
 342                 checked => $self->_checked( $self->_param_array('columns') ),
 343         );
 344 }
 345
 346 sub _param_array {
 347     my ($self,$name) = @_;
 348
 349         my @array = $self->param($name);
 350         my $path  = $self->session('path');
 351
 352         if ( @array ) {
 353                 $self->session($name => [ @array ]);
 354                 $loaded->{$path}->{$name} = [ @array ];
 355         } elsif ( my $session = $self->session($name) ) {
 356                 if ( ref $session eq 'ARRAY' ) {
 357                         @array = @$session;
 358                 } else {
 359                         die "$name not array ",dump($session);
 360                 }
 361         }
 362         #warn "# $name ",dump @array;
 363         return @array;
 364 }
 365
 366 sub _param_scalar {
 367     my ($self,$name,$default) = @_;
 368
 369         my $scalar = $self->param($name);
 370
 371         if ( defined $scalar ) {
 372                 $self->session($name => $scalar);
 373         } else {
 374                 $scalar = $self->session($name);
 375         }
 376
 377         if ( ! defined $scalar ) {
 378                 $scalar = $default;
 379                 die "no default for $name" unless defined $scalar;
 380                 $self->session($name => $scalar);
 381         }
 382
 383         warn "# _param_scalar $name ",dump $scalar;
 384         return $scalar;
 385 }
 386
 387 sub filter {
 388         my $self = shift;
 389
 390         my $name = $self->param('filter_name') || die "name?";
 391         my @vals = $self->param('filter_vals');
 392
 393         $self->_remove_filter( $name );
 394         if ( @vals ) {
 395                 $self->_filter_on_data( $name, @vals );
 396                 if ( my $permanent = $self->param('_permanent') ) {
 397                         my $permanent_path = $self->_export_path( 'filter', $name, $permanent );
 398                         write_file $permanent_path, map { "$_\n" } @vals;
 399                         warn "permanent filter $permanent_path ", -s $permanent_path;
 400                 }
 401         }
 402
 403         $self->session( 'offset' => 0 );
 404
 405         $self->redirect_to('/data/items');
 406 }
 407
 408 sub _filter_on_data {
 409         my ( $self, $name, @vals ) = @_;
 410
 411         my $path = $self->session('path');
 412
 413         if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
 414                 warn "filter $name not found in data set";
 415                 return;
 416         }
 417
 418         $filters->{$name} = [ @vals ];
 419         warn "_filter_on_data $name ", $#vals + 1, " values on $path\n";
 420
 421         my $filter_hash;
 422         $filter_hash->{$_}++ foreach @vals;
 423
 424         #warn "# filter_hash ",dump( $filter_hash );
 425
 426         my $items = $self->_loaded('data')->{items};
 427
 428         my $include_missing = defined $filter_hash->{_missing};
 429         my $filtered_items;
 430
 431         foreach my $i ( 0 .. $#$items ) {
 432
 433                 if ( defined $items->[$i]->{$name} ) {
 434                         my $row = $items->[$i]->{$name};
 435                         $row = [ $row ] unless ref $row eq 'ARRAY'; # FIXME probably wrong place
 436                         foreach my $v ( @$row ) {
 437                                 if ( defined $filter_hash->{ $v } ) {
 438                                         $filtered_items->{$i}++;
 439                                 }
 440                         }
 441                 } elsif ( $include_missing ) {
 442                         $filtered_items->{$i}++;
 443                 }
 444         }
 445
 446         #warn "# filter $name ",dump($filtered_items);
 447
 448         $loaded->{$path}->{filters}->{$name} = $filtered_items;
 449         warn "filter $name with ", scalar keys %$filtered_items, " items created\n";
 450 }
 451
 452
 453 sub _current_filters {
 454         my $self = shift;
 455         my $current_filters;
 456         $current_filters->{ $_ } = $filters->{ $_ }
 457                 foreach (
 458                         grep { defined $filters->{ $_ } }
 459                         @{ $self->_loaded('columns') }
 460                 );
 461         #warn "# current_filters ",dump($current_filters);
 462         return $current_filters;
 463 }
 464
 465 sub _data_sorted_by {
 466         my ( $self, $order ) = @_;
 467
 468         my $path = $self->session('path');
 469
 470         warn "_data_sorted_by $order from $path";
 471
 472         if ( defined $loaded->{$path}->{sorted}->{$order} ) {
 473                 return $loaded->{$path}->{sorted}->{$order};
 474         }
 475
 476         my $data = $self->_loaded( 'data' );
 477         my $numeric = $self->_is_numeric($order);
 478         my $missing = $numeric ? 0 : '';
 479         no warnings qw(numeric);
 480         my $nr = 0;
 481         my @sorted = map {
 482                 $_->[0]
 483         } sort {
 484                 if ( $numeric ) {
 485                         $a->[1] <=> $b->[1]
 486                 } else {
 487                         $a->[1] cmp $b->[1]
 488                 }
 489         } map {
 490                 [ $nr++, exists $_->{$order} ? join('', @{$_->{$order}}) : $missing ]
 491         } grep { ref $_->{$order} eq 'ARRAY' } @{ $data->{items} }
 492         ;
 493
 494         warn "sorted: $order numeric: $numeric items: ", $#sorted + 1, "\n";
 495         #warn "# sorted ",dump( @sorted );
 496
 497         $loaded->{$path}->{sorted}->{$order} = [ @sorted ];
 498 }
 499
 500
 501 sub items {
 502         my $self = shift;
 503
 504         if ( my $show = $self->param('id') ) {
 505                 $self->param('show', $show);
 506                 warn "show $show\n";
 507         }
 508
 509         my $path = $self->session('path');
 510
 511         my @columns = $self->_param_array('columns');
 512         $self->redirect_to('/data/columns') unless @columns;
 513         my $order   = $self->_param_scalar('order', $columns[0]);
 514         my $sort    = $self->_param_scalar('sort', 'a');
 515         my $offset  = $self->_param_scalar('offset', 0);
 516         my $limit   = $self->_param_scalar('limit', 20);
 517         $self->_param_scalar('show', 'table');
 518
 519         # fix offset when changing limit
 520         $offset = int( $offset / $limit ) * $limit;
 521
 522         if ( ! grep { /^\Q$order\E$/ } @columns ) {
 523                 $order = $columns[0];
 524                 $self->session( order => $order );
 525         }
 526         my $sorted = $self->_data_sorted_by( $order );
 527
 528         my @filter_names;
 529         if ( $filters ) {
 530                 foreach my $name ( keys %$filters ) {
 531                         if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
 532                                 warn "skip filter $name not found in $path\n";
 533                                 next;
 534                         }
 535                         push @filter_names, $name;
 536                 }
 537                 warn "filter_names ",dump( @filter_names );
 538                 foreach my $name ( @filter_names ) {
 539                         next if ref $loaded->{$path}->{filters}->{$name} eq 'ARRAY';
 540                         $self->_filter_on_data( $name, @{ $filters->{$name} } );
 541                 }
 542         }
 543
 544         my $all_filters = join(' ',sort @filter_names,'order:',$order);
 545
 546 #       warn "# all_filters $all_filters ", dump( $loaded->{$path}->{filtered}->{$all_filters} );
 547
 548         if ( ! defined $loaded->{$path}->{filtered}->{$all_filters} ) {
 549
 550                 my $path_filters = $loaded->{$path}->{filters};
 551
 552                 warn "create combined filter for $all_filters\n";
 553
 554                 my @filtered;
 555                 foreach my $i ( 0 .. $#$sorted ) {
 556                         my $pos = $sorted->[$i];
 557
 558                         if ( $#filter_names == -1 ) {
 559                                 push @filtered, $pos;
 560                                 next;
 561                         }
 562
 563                         my $skip = 0;
 564                         foreach ( @filter_names ) {
 565                                 $skip ||= 1 if ! defined $path_filters->{$_}->{$pos};
 566                         }
 567                         next if $skip;
 568
 569                         push @filtered, $pos;
 570                 }
 571
 572                 $loaded->{$path}->{filtered}->{$all_filters} = [ @filtered ];
 573         }
 574
 575         my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
 576                 if defined $loaded->{$path}->{filtered}->{$all_filters};
 577
 578         warn "all_filters $all_filters produced ", $#$filtered + 1, " items\n" if $filtered;
 579
 580         my $data = $self->_loaded('data');
 581
 582         my $code = $self->_param_scalar('code','');
 583         $code =~ s{[\r\n]+$}{}s;
 584
 585         my $commit = $self->param('commit');
 586         my $test = $self->param('test');
 587
 588         my $cols_changed;
 589
 590         if ( $code && ( $test || $commit ) ) {
 591                 # XXX find columns used in code snippet and show them to user
 592                 foreach my $column ( $code =~ m/\$row->{(.+?)}/g ) {
 593                         if ( $column =~ s/^(['"])// ) {
 594                                 $column =~ s/$1$//;
 595                         }
 596                         $cols_changed->{$column}++;
 597                         next if grep { /$column/ } @columns;
 598                         $cols_changed->{$column}++;
 599                         unshift @columns, $column;
 600                         if ( $commit ) {
 601                                 $self->session('columns', [ @columns ]);
 602                                 $loaded->{$path}->{columns} = [ @columns ];
 603                                 __path_modified( $path, 2 );
 604                         }
 605                 }
 606         }
 607
 608         if ( $commit ) {
 609                 warn "# commit on ", $#$filtered + 1, " items:\n$code\n";
 610                 foreach ( 0 .. $#$filtered ) {
 611                         my $i = $filtered->[$_];
 612                         my $row = $data->{items}->[$i];
 613                         eval $code;
 614                 }
 615                 if ( my $description = $self->param('code_description') ) {
 616                         my $depends = $self->param('code_depends') || die "no code_depends?";
 617                         my $path = $self->app->home->rel_dir('public') . "/code/$depends.$description.pl";
 618                         write_file $path, $code;
 619                         warn "code $path ", -s $path, " bytes saved\n";
 620                 }
 621                 $code = '';
 622         }
 623
 624         my $sorted_items;
 625         my $from_end = $sort eq 'd' ? $#$filtered : 0;
 626         foreach ( 0 .. $limit ) {
 627                 my $i = $_ + $offset;
 628                 last unless defined $filtered->[$i];
 629                 $i = $from_end - $i if $from_end;
 630                 my $id = $filtered->[$i];
 631                 my $row = $data->{items}->[ $id ];
 632                 if ( $code && $test ) {
 633                         $row = Storable::dclone $row;
 634                         eval $code;
 635                         if ( $@ ) {
 636                                 warn "ERROR evaling\n$code\n$@";
 637                                 $self->stash('eval_error', $@) if $@;
 638                         } else {
 639                                 warn "EVAL ",dump($row);
 640                         }
 641                 }
 642                 $row->{_row_id} ||= $id;
 643                 push @$sorted_items, $row;
 644         }
 645
 646         warn "# sorted_items ", $#$sorted_items + 1, " offset $offset limit $limit order $sort";
 647
 648         $self->render(
 649                 order => $order,
 650                 offset => $offset,
 651                 limit => $limit,
 652                 sorted => $sorted_items,
 653                 columns => [ @columns ],
 654                 rows => $#$filtered + 1,
 655                 numeric => { map { $_, $self->_is_numeric($_) } @columns },
 656                 filters => $self->_current_filters,
 657                 code => $code,
 658                 cols_changed => $cols_changed,
 659                 code_depends =>
 660                         $self->param('code_depends') ||
 661                         join(',', grep { defined $cols_changed->{$_} && $cols_changed->{$_} == 1 } @columns ),
 662                 code_description =>
 663                         $self->param('code_description') ||
 664                         join(',', grep { defined $cols_changed->{$_} && $cols_changed->{$_} == 2 } @columns ),
 665         );
 666
 667 }
 668
 669
 670 sub order {
 671         my $self = shift;
 672         $self->session('order', $self->param('order'));
 673         $self->session('sort', $self->param('sort'));
 674         $self->redirect_to('/data/items');
 675 }
 676
 677 sub _is_numeric {
 678         my ( $self, $name ) = @_;
 679
 680         my $stats = $self->_loaded( 'stats' );
 681
 682         # sort facet numerically if more >50% elements are numeric
 683         my $count = $stats->{$name}->{count};
 684         $count   -= $stats->{$name}->{empty} if defined $stats->{$name}->{empty};
 685         defined $stats->{$name}->{numeric} &&
 686                 $stats->{$name}->{numeric} > $count / 2;
 687 }
 688
 689 sub _remove_filter {
 690         my ($self,$name) = @_;
 691         warn "_remove_filter $name\n";
 692
 693         my $path = $self->session('path');
 694
 695         delete $filters->{$name};
 696         delete $loaded->{$path}->{filters}->{$name};
 697         warn "filters left: ", keys %{ $loaded->{$path}->{filters} };
 698
 699         foreach (
 700                         grep { /\b$name\b/ }
 701                         keys %{ $loaded->{$path}->{filtered} }
 702         ) {
 703                 delete $loaded->{$path}->{filtered}->{$_};
 704                 warn "remove filtered cache $_";
 705         }
 706 }
 707
 708 sub facet {
 709         my $self = shift;
 710
 711         my $path = $self->session('path') || $self->redirect_to( '/data/index' );
 712
 713         if ( my $name = $self->param('remove') ) {
 714                 $self->_remove_filter( $name );
 715                 $self->redirect_to( '/data/items' );
 716         }
 717
 718         my $facet;
 719         my $name = $self->param('name') || die "no name";
 720
 721         my $all = $self->_param_scalar('all', 1);
 722         my $data = $self->_loaded('data');
 723
 724         my $filters = $self->_current_filters;
 725         my $all_filters = join(' ',sort keys %$filters,'order:',$self->session('order'));
 726         my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
 727                 if defined $loaded->{$path}->{filtered}->{$all_filters};
 728
 729         if ( ! $filtered || $all ) {
 730                 $filtered = [ 0 .. $#{ $data->{items} } ];
 731                 warn "filter all values\n";
 732         } else {
 733                 warn "filter using $all_filters\n";
 734         }
 735
 736         foreach my $i ( @$filtered ) {
 737                 my $item = $data->{items}->[$i];
 738                 if ( ! exists $item->{$name} ) {
 739                         $facet->{ _missing }++;
 740                 } elsif ( ref $item->{$name} eq 'ARRAY' ) {
 741                         $facet->{$_}++ foreach @{ $item->{$name} };
 742                 } else {
 743                         $facet->{ $item->{$name} }++;
 744                 }
 745         }
 746
 747 #       warn "# facet $name ",dump $facet;
 748
 749         my $checked;
 750         my @facet_names =
 751                   $all                      ? keys %$facet
 752                 : defined $filters->{$name} ? @{ $filters->{$name} }
 753                 : keys %$facet;
 754
 755         $checked = $self->_checked( @{ $filters->{$name} } ) if defined $filters->{$name};
 756
 757         my $numeric = $self->_is_numeric($name);
 758
 759         my $sort = $self->param('sort');
 760         # sort numeric facets with more than 5 values ascending
 761         $sort ||= $numeric && $#facet_names > 4 ? 'a' : 'c';
 762
 763         @facet_names = sort {
 764                 my $result;
 765                 if ( $sort eq 'a' ) {
 766                         $result = $numeric ? $a <=> $b : lc $a cmp lc $b;
 767                 } elsif ( $sort eq 'd' ) {
 768                         $result = $numeric ? $b <=> $a : lc $b cmp lc $a;
 769                 } elsif ( $sort eq 'c' ) {
 770                         $result = ( $facet->{$b} || -1 ) <=> ( $facet->{$a} || -1 )
 771                 } else {
 772                         warn "unknown sort: $sort";
 773                         $result = $a cmp $b;
 774                 }
 775                 $result = $a cmp $b unless defined $result; # FIXME cludge for numeric facets with invalid data
 776                 $result;
 777         } @facet_names;
 778
 779         $self->render( name => $name, facet => $facet, checked => $checked,
 780                 facet_names => \@facet_names, sort => $sort, numeric => $numeric,
 781         );
 782 }
 783
 784
 785 sub __invalidate_path_column {
 786         my ( $path, $name ) = @_;
 787
 788         if ( defined $loaded->{$path}->{sorted}->{$name} ) {
 789                 delete $loaded->{$path}->{sorted}->{$name};
 790                 warn "# invalidate $path sorted $name\n";
 791         }
 792
 793         foreach ( grep { m/$name/ } keys %{ $loaded->{$path}->{filtered} } ) {
 794                 delete $loaded->{$path}->{filtered}->{$_};
 795                 warn "# invalidate $path filtered $_\n";
 796         }
 797 }
 798
 799 sub __path_modified {
 800         my ( $path, $value ) = @_;
 801         $value = 1 unless defined $value;
 802
 803         $loaded->{$path}->{modified}  = $value;
 804
 805         warn "# __path_modified $path $value\n";
 806 }
 807
 808 sub edit {
 809         my $self = shift;
 810         my $new_content = $self->param('new_content');
 811         $new_content  ||= $self->param('content'); # backward compatibility with old actions
 812
 813         my $i = $self->param('_row_id');
 814         die "invalid _row_id ",dump($i) unless $i =~ m/^\d+$/;
 815         my $path = $self->param('path') || die "no path";
 816         my $name = $self->param('name') || die "no name";
 817         my $status = 200; # 200 = OK, 201 = Created
 818
 819         my $data = $self->_loaded('data');
 820
 821         if ( defined $loaded->{$path}->{data}->{items}->[$i] ) {
 822                 $new_content =~ s/^\s+//s;
 823                 $new_content =~ s/\s+$//s;
 824                 my $v;
 825                 if ( $new_content =~ /\xB6/ ) { # para
 826                         $v = [ split(/\s*\xB6\s*/, $new_content) ];
 827                 } else {
 828                         $v = [ $new_content ];
 829                 }
 830
 831                 my $old = dump $loaded->{$path}->{data}->{items}->[$i]->{$name};
 832                 my $new = dump $v;
 833                 if ( $old ne $new
 834                         && ! ( $old eq 'undef' && length($new_content) == 0 ) # new value empty, previous undef
 835                 ) {
 836                         my $change = {
 837                                 path => $path,
 838                                 column => $name,
 839                                 pos => $i,
 840                                 old => $loaded->{$path}->{data}->{items}->[$i]->{$name},
 841                                 new => $v,
 842                                 time => $self->param('time') || time(),
 843                                 user => $self->param('user') || $ENV{'LOGNAME'},
 844                                 unique => {
 845                                         map { $_ => $loaded->{$path}->{data}->{items}->[$i]->{$_}->[0] }
 846                                         grep { defined $loaded->{$path}->{stats}->{$_}->{unique} }
 847                                         keys %{ $loaded->{$path}->{stats} }
 848                                 },
 849                         };
 850                         my $change_path = $self->_permanent_path( 'changes' );
 851                         mkdir $change_path unless -d $change_path;
 852                         $change_path .= '/' . $change->{time};
 853                         store $change, $change_path;
 854                         utime $change->{time}, $change->{time}, $change_path;
 855                         warn "# $change_path ", dump($change);
 856
 857                         warn "# change $path $i $old -> $new\n";
 858                         $loaded->{$path}->{data}->{items}->[$i]->{$name} = $v;
 859
 860                         __invalidate_path_column( $path, $name );
 861
 862                         $status = 201; # created
 863                         # modified = 2 -- force rebuild of stats
 864                         __path_modified( $path, 2 );
 865
 866                         $new_content = join("\xB6",@$v);
 867
 868                 } else {
 869                         warn "# unchanged $path $i $old\n";
 870                         $status = 304;
 871                 }
 872         } else {
 873                 $new_content = "$path $i $name doesn't exist\n";
 874                 $status = 404;
 875         }
 876
 877         warn "# edit $status ", dump $new_content;
 878
 879         $self->render(
 880                 status => $status,
 881                 new_content => scalar $new_content,
 882         );
 883 }
 884
 885
 886 sub save {
 887         my $self = shift;
 888         my $path = $self->_param_or_session('path');
 889         my $dump_path = $self->_save( $path );
 890         __path_modified( $path, 0 );
 891
 892         $self->redirect_to( '/data/items' );
 893 }
 894
 895 sub export {
 896         my $self = shift;
 897
 898         if ( my $import = $self->param('import') ) {
 899
 900                 if ( $import =~ m{/filter\.(.+?)\..+} ) {
 901                         my $name = $1;
 902                         my @vals = map { chomp; $_ }
 903                                 read_file $self->app->home->rel_dir('public') . "/export/$import";
 904                         $self->_remove_filter( $name );
 905                         $self->_filter_on_data( $name, @vals );
 906                         $self->session( 'offset' => 0 );
 907                         $self->redirect_to('/data/items');
 908                 } else {
 909                         warn "UNKNOWN IMPORT $import";
 910                 }
 911         }
 912
 913         $self->render( export => [
 914                 glob( $self->_export_path . '*' )
 915         ] );
 916 }
 917
 918 sub __loaded_paths {
 919         return
 920                 grep { defined $loaded->{$_}->{data} }
 921                 keys %$loaded;
 922 }
 923
 924 1;