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