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