use Data::Dump qw(dump);
use File::Slurp;
use JSON;
+use Encode;
+use locale;
+use File::Find;
+use Storable;
-our $data;
+our $loaded;
+our $filters;
-sub _data {
+sub index {
my $self = shift;
- # we could use Mojo::JSON here, but it's too slow
- $data ||= from_json read_file $self->app->home->rel_file( 'data/bibpsi.js' );
+ my $path = $self->app->home->rel_dir('data');
+ die "no data dir $path" unless -d $path;
+
+ my @files;
+ find( sub {
+ my $file = $File::Find::name;
+ if ( -f $file && $file =~ m/\.(js(on)?|txt)$/ ) {
+ $file =~ s/$path\/*//;
+ push @files, $file;
+ } else {
+ warn "IGNORE: $file\n";
+ }
+ }, $path);
+
+ @files = sort { lc $a cmp lc $b } @files;
+ my $size;
+ $size->{$_} = -s "$path/$_" foreach @files;
+
+ $self->render(
+ files => [ @files ],
+ size => $size,
+ loaded => $loaded,
+ filters => $filters,
+ );
}
+sub _save {
+ my ( $self, $path ) = @_;
-sub stats {
- my $self = shift;
+ my $name = $path;
+ my $dir = $self->app->home->rel_dir('data');
+ $name =~ s/^$dir//;
+ $name =~ s/\/+/_/g;
+ my $dump_path = '/tmp/mojo_facets.' . $path . '.storable';
+
+ warn "save loaded to $dump_path";
+ my $info = $loaded->{$path};
+ store $info, $dump_path;
+
+ # sync timestamp
+ my $mtime = $loaded->{$path}->{mtime};
+ utime $mtime, $mtime, $dump_path;
+
+ warn $dump_path, ' ', -s $dump_path, " bytes\n";
+}
+
+sub _load_path {
+ my ( $self, $path ) = @_;
- $self->_data;
+ my $full_path = $self->app->home->rel_file( 'data/' . $path );
+ die "$full_path $!" unless -r $full_path;
+
+ if ( defined $loaded->{$path}->{data} ) {
+ my $mtime = (stat($full_path))[9];
+ return if $loaded->{$path}->{mtime} == $mtime;
+ warn "reload $full_path, modified ", time() - $mtime, " seconds ago\n";
+ }
+
+ # we could use Mojo::JSON here, but it's too slow
+# $data = from_json read_file $path;
+ my $data = read_file $full_path;
+ warn "# data snippet: ", substr($data,0,200);
+ my @header;
+ if ( $path =~ m/\.js/ ) {
+ Encode::_utf8_on($data);
+ $data = from_json $data;
+ } elsif ( $path =~ m/\.txt/ ) {
+ my @lines = split(/\r?\n/, $data);
+ $data = { items => [] };
+
+ my $header_line = shift @lines;
+ my $multiline = $header_line =~ s/\^//g;
+ @header = split(/\|/, $header_line );
+ warn "# header ", dump( @header );
+ while ( my $line = shift @lines ) {
+ $line =~ s/\^//g;
+ chomp $line;
+ my @v = split(/\|/, $line);
+ while ( @lines && $#v < $#header ) {
+ $line = $lines[0];
+ $line =~ s/\^//g;
+ chomp $line;
+ my @more_v = split(/\|/, $line);
+ if ( $#v + $#more_v > $#header ) {
+ warn "short line: ",dump( @v );
+ last;
+ }
+ shift @lines;
+ $v[ $#v ] .= shift @more_v if @more_v;
+ push @v, @more_v if @more_v;
+
+ if ( $#v > $#header ) {
+ die "# splice $#header ", dump( @v );
+ @v = splice @v, 0, $#header;
+ }
+ }
+ my $item;
+ foreach my $i ( 0 .. $#v ) {
+ $item->{ $header[$i] || "f_$i" } = [ $v[$i] ];
+ }
+ push @{ $data->{items} }, $item;
+ }
+ } else {
+ warn "file format unknown $path";
+ }
my $stats;
foreach my $e ( @{ $data->{items} } ) {
foreach my $n ( keys %$e ) {
- $stats->{column}->{$n}->{count}++;
- $stats->{column}->{$n}->{number}++ if $e->{$n} =~ m/[-+]?([0-9]*\.[0-9]+|[0-9]+)/;
+ $stats->{$n}->{count}++;
+ my @v;
+ if ( ref $e->{$n} eq 'ARRAY' ) {
+ $stats->{$n}->{array} += $#{ $e->{$n} } + 1;
+ @v = @{ $e->{$n} };
+ } else {
+ @v = ( $e->{$n} );
+ }
+
+ foreach my $x ( @v ) {
+ $stats->{$n}->{numeric}++
+ if $x =~ m/^[-+]?([0-9]*\.[0-9]+|[0-9]+)$/;
+ $stats->{$n}->{empty}++
+ if length $x == 0; # faster than $x =~ m/^\s*$/;
+ }
+
+ }
+ }
+
+ foreach my $n ( keys %$stats ) {
+ next unless defined $stats->{$n}->{array};
+ delete $stats->{$n}->{array}
+ if $stats->{$n}->{array} == $stats->{$n}->{count};
+ }
+
+ if ( ! @header ) {
+ if ( defined $data->{header} ) {
+ if ( ref $data->{header} eq 'ARRAY' ) {
+ @header = @{ $data->{header} };
+ } else {
+ warn "header not array ", dump( $data->{header} );
+ }
}
}
- $self->app->log->debug( 'stats', dump($stats) );
- # Render template "example/welcome.html.ep" with message
+ @header =
+ sort { $stats->{$b}->{count} <=> $stats->{$a}->{count} }
+ grep { defined $stats->{$_}->{count} } keys %$stats
+ unless @header;
+
+ warn dump($stats);
+
+ my $info = {
+ header => [ @header ],
+ stats => $stats,
+ full_path => $full_path,
+ size => -s $full_path,
+ mtime => (stat($full_path))[9],
+ data => $data,
+ };
+
+ $loaded->{ $path } = $info;
+ $self->_save( $path );
+
+}
+
+
+sub load {
+ my $self = shift;
+
+ my @paths = $self->param('paths');
+ warn "# paths ", dump @paths;
+ $self->_load_path( $_ ) foreach @paths;
+
+ my $path = $self->param('path') || $self->redirect_to( '/data/index' );
+ warn "# path $path\n";
+ $self->session('path' => $path);
+ $self->_load_path( $path );
+
+ $self->session( 'header' => $loaded->{$path}->{header} );
+ if ( ! defined $loaded->{$path}->{columns} ) {
+ $self->session( 'columns' => $loaded->{$path}->{header} );
+ $self->session( 'order' => $loaded->{$path}->{header}->[0] );
+ $self->redirect_to( '/data/columns' );
+ } else {
+ $self->session( 'columns' => $loaded->{$path}->{columns} );
+ $self->session( 'order' => $loaded->{$path}->{columns}->[0] );
+ $self->redirect_to( '/data/items' );
+ }
+}
+
+
+sub _loaded {
+ my ( $self, $name ) = @_;
+ my $path = $self->session('path');
+ if ( ! defined $loaded->{$path}->{$name} ) {
+ warn "$path $name doesn't exist in loaded ",dump( $loaded );
+ $self->redirect_to('/data/index');
+ }
+ return $loaded->{$path}->{$name};
+}
+
+
+sub _checked {
+ my $self = shift;
+ my $checked;
+ $checked->{$_}++ foreach @_;
+# warn "# _checked ",dump($checked);
+ return $checked;
+}
+
+
+sub columns {
+ my $self = shift;
+
+ if ( $self->param('columns') ) {
+ $self->_perm_array('columns');
+ $self->redirect_to('/data/items');
+ }
+
+ my $stats = $self->_loaded( 'stats' ); # || $self->redirect_to( '/data/index' );
+
+ my @columns;
+ @columns = grep { defined $stats->{$_}->{count} } @{ $self->session('columns') } if $self->session('columns');
+
+ foreach my $c ( @{ $self->session( 'header' ) } ) {
+ push @columns, $c unless grep { /^\Q$c\E$/ } @columns;
+ }
+
$self->render(
- message => 'Welcome to the Mojolicious Web Framework!',
+ message => 'Select columns to display',
stats => $stats,
+ columns => \@columns,
+ checked => $self->_checked( $self->_perm_array('columns') ),
+ );
+}
+
+sub _perm_array {
+ my ($self,$name) = @_;
+
+ my @array = $self->param($name);
+ my $path = $self->session('path');
+
+ if ( @array ) {
+ $self->session($name => [ @array ]);
+ $loaded->{$path}->{$name} = [ @array ];
+ } elsif ( my $session = $self->session($name) ) {
+ if ( ref $session eq 'ARRAY' ) {
+ @array = @$session;
+ } else {
+ die "$name not array ",dump($session);
+ }
+ }
+ #warn "# $name ",dump @array;
+ return @array;
+}
+
+sub _perm_scalar {
+ my ($self,$name,$default) = @_;
+
+ my $scalar = $self->param($name);
+
+ if ( defined $scalar ) {
+ $self->session($name => $scalar);
+ } else {
+ $scalar = $self->session($name);
+ }
+
+ if ( ! defined $scalar ) {
+ $scalar = $default;
+ die "no default for $name" unless defined $scalar;
+ $self->session($name => $scalar);
+ }
+
+ warn "# _perm_scalar $name ",dump $scalar;
+ return $scalar;
+}
+
+sub filter {
+ my $self = shift;
+
+ my $name = $self->param('filter_name') || die "name?";
+ my @vals = $self->param('filter_vals');
+
+ $self->_remove_filter( $name );
+ $self->_filter_on_data( $name, @vals ) if @vals;
+
+ $self->session( 'offset' => 0 );
+
+ $self->redirect_to('/data/items');
+}
+
+sub _filter_on_data {
+ my ( $self, $name, @vals ) = @_;
+
+ my $path = $self->session('path');
+
+ if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
+ warn "filter $name not found in data set";
+ return;
+ }
+
+ $filters->{$name} = [ @vals ];
+ warn "_filter_on_data $name ", $#vals + 1, " values on $path\n";
+
+ my $filter_hash;
+ $filter_hash->{$_}++ foreach @vals;
+
+ #warn "# filter_hash ",dump( $filter_hash );
+
+ my $items = $self->_loaded('data')->{items};
+
+ my $include_missing = defined $filter_hash->{_missing};
+ my $filtered_items;
+
+ foreach my $i ( 0 .. $#$items ) {
+
+ if ( defined $items->[$i]->{$name} ) {
+ foreach my $v ( @{ $items->[$i]->{$name} } ) {
+ if ( defined $filter_hash->{ $v } ) {
+ $filtered_items->{$i}++;
+ }
+ }
+ } elsif ( $include_missing ) {
+ $filtered_items->{$i}++;
+ }
+ }
+
+ #warn "# filter $name ",dump($filtered_items);
+
+ $loaded->{$path}->{filters}->{$name} = $filtered_items;
+ warn "filter $name with ", scalar keys %$filtered_items, " items created\n";
+}
+
+sub _data_items {
+ my ( $self, $all ) = @_;
+ my $data = $self->_loaded( 'data' );
+
+ return @{ $data->{items} } if $all == 1;
+
+ my $filters = $self->_current_filters;
+ my $filter_value;
+ foreach my $f ( keys %$filters ) {
+ foreach my $n ( @{ $filters->{$f} } ) {
+ $filter_value->{$f}->{$n} = 1;
+ }
+ }
+ my @items = @{ $data->{items} };
+ @items = grep {
+ my $i = $_;
+ my $pass = 1;
+ foreach my $n ( keys %$filter_value ) {
+ if ( ! exists $i->{$n} ) {
+ if ( defined $filter_value->{$n}->{_missing} ) {
+ $pass = 1;
+ next;
+ } else {
+ $pass = 0;
+ last;
+ }
+ }
+ # and match any of values in element
+ my $have_values = 0;
+ foreach my $v ( @{ $i->{$n} } ) { # FIXME not array?
+ $have_values ||= 1 if defined $filter_value->{$n}->{$v};
+ }
+ if ( ! $have_values ) {
+ $pass = 0;
+ last;
+ }
+ }
+ $pass;
+ } @items if $filter_value;
+ return @items;
+}
+
+
+sub _current_filters {
+ my $self = shift;
+ my $current_filters;
+ $current_filters->{ $_ } = $filters->{ $_ }
+ foreach (
+ grep { defined $filters->{ $_ } }
+ @{ $self->_loaded('header') }
+ );
+ #warn "# current_filters ",dump($current_filters);
+ return $current_filters;
+}
+
+sub _data_sorted_by {
+ my ( $self, $order ) = @_;
+
+ my $path = $self->session('path');
+
+ warn "_data_sorted_by $order from $path";
+
+ if ( defined $loaded->{$path}->{sorted}->{$order} ) {
+ return $loaded->{$path}->{sorted}->{$order};
+ }
+
+ my $data = $self->_loaded( 'data' );
+ my $numeric = $self->_is_numeric($order);
+ my $missing = $numeric ? 0 : '';
+ no warnings qw(numeric);
+ my $nr = 0;
+ my @sorted = map {
+ $_->[0]
+ } sort {
+ if ( $numeric ) {
+ $a->[1] <=> $b->[1]
+ } else {
+ $a->[1] cmp $b->[1]
+ }
+ } map {
+ [ $nr++, exists $_->{$order} ? join('', @{$_->{$order}}) : $missing ]
+ } @{ $data->{items} }
+ ;
+
+ warn "sorted: $order numeric: $numeric items: ", $#sorted + 1, "\n";
+ #warn "# sorted ",dump( @sorted );
+
+ $loaded->{$path}->{sorted}->{$order} = [ @sorted ];
+}
+
+
+sub items {
+ my $self = shift;
+
+ my $path = $self->session('path');
+ $self->redirect_to('/data/index') unless defined $loaded->{ $path };
+
+ my @columns = $self->_perm_array('columns');
+ $self->redirect_to('/data/columns') unless @columns;
+ my $order = $self->_perm_scalar('order', $columns[0]);
+ my $sort = $self->_perm_scalar('sort', 'a');
+ my $offset = $self->_perm_scalar('offset', 0);
+ my $limit = $self->_perm_scalar('limit', 20);
+ $self->_perm_scalar('show', 'table');
+
+ # fix offset when changing limit
+ $offset = int( $offset / $limit ) * $limit;
+
+ my $sorted = $self->_data_sorted_by( $order );
+
+ my @filter_names;
+ if ( $filters ) {
+ foreach my $name ( keys %$filters ) {
+ if ( ! defined $loaded->{$path}->{stats}->{ $name } ) {
+ warn "skip filter $name not found in $path\n";
+ next;
+ }
+ push @filter_names, $name;
+ }
+ warn "filter_names ",dump( @filter_names );
+ foreach my $name ( @filter_names ) {
+ next if ref $loaded->{$path}->{filters}->{$name} eq 'ARRAY';
+ $self->_filter_on_data( $name, @{ $filters->{$name} } );
+ }
+ }
+
+ my $all_filters = join(' ',sort @filter_names,'order:',$order);
+
+# warn "# all_filters $all_filters ", dump( $loaded->{$path}->{filtered}->{$all_filters} );
+
+ if ( ! defined $loaded->{$path}->{filtered}->{$all_filters} ) {
+
+ my $path_filters = $loaded->{$path}->{filters};
+
+ warn "create combined filter for $all_filters\n";
+
+ my @filtered;
+ foreach my $i ( 0 .. $#$sorted ) {
+ my $pos = $sorted->[$i];
+
+ if ( $#filter_names == -1 ) {
+ push @filtered, $pos;
+ next;
+ }
+
+ my $skip = 0;
+ foreach ( @filter_names ) {
+ $skip ||= 1 if ! defined $path_filters->{$_}->{$pos};
+ }
+ next if $skip;
+
+ push @filtered, $pos;
+ }
+
+ $loaded->{$path}->{filtered}->{$all_filters} = [ @filtered ];
+ }
+
+ my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
+ if defined $loaded->{$path}->{filtered}->{$all_filters};
+
+ warn "all_filters $all_filters produced ", $#$filtered + 1, " items\n" if $filtered;
+
+ my $sorted_items;
+ my $data = $self->_loaded('data');
+ my $from_end = $sort eq 'd' ? $#$filtered : 0;
+ foreach ( 0 .. $limit ) {
+ my $i = $_ + $offset;
+ last unless defined $filtered->[$i];
+ $i = $from_end - $i if $from_end;
+ push @$sorted_items, $data->{items}->[ $filtered->[$i] ];
+ }
+
+ warn "# sorted_items ", $#$sorted_items + 1, " offset $offset limit $limit order $sort";
+
+ $self->render(
+ order => $order,
+ offset => $offset,
+ limit => $limit,
+ sorted => $sorted_items,
+ columns => [ @columns ],
+ rows => $#$filtered + 1,
+ numeric => { map { $_, $self->_is_numeric($_) } @columns },
+ filters => $self->_current_filters,
+ );
+
+}
+
+
+sub order {
+ my $self = shift;
+ $self->session('order', $self->param('order'));
+ $self->session('sort', $self->param('sort'));
+ $self->redirect_to('/data/items');
+}
+
+sub _is_numeric {
+ my ( $self, $name ) = @_;
+
+ my $stats = $self->_loaded( 'stats' );
+
+ # sort facet numerically if more >50% elements are numeric
+ my $count = $stats->{$name}->{count};
+ $count -= $stats->{$name}->{empty} if defined $stats->{$name}->{empty};
+ defined $stats->{$name}->{numeric} &&
+ $stats->{$name}->{numeric} > $count / 2;
+}
+
+sub _remove_filter {
+ my ($self,$name) = @_;
+ warn "_remove_filter $name\n";
+
+ my $path = $self->session('path');
+
+ delete $filters->{$name};
+ delete $loaded->{$path}->{filters}->{$name};
+ warn "filters left: ", keys %{ $loaded->{$path}->{filters} };
+
+ foreach (
+ grep { /\b$name\b/ }
+ keys %{ $loaded->{$path}->{filtered} }
+ ) {
+ delete $loaded->{$path}->{filtered}->{$_};
+ warn "remove filtered cache $_";
+ }
+}
+
+sub facet {
+ my $self = shift;
+
+ my $path = $self->session('path') || $self->redirect_to( '/data/index' );
+
+ if ( my $name = $self->param('remove') ) {
+ $self->_remove_filter( $name );
+ $self->redirect_to( '/data/items' );
+ }
+
+ my $facet;
+ my $name = $self->param('name') || die "no name";
+
+ my $all = $self->_perm_scalar('all', 1);
+ my $data = $self->_loaded('data');
+
+ my $filters = $self->_current_filters;
+ my $all_filters = join(' ',sort keys %$filters,'order:',$self->session('order'));
+ my $filtered = $loaded->{$path}->{filtered}->{$all_filters}
+ if defined $loaded->{$path}->{filtered}->{$all_filters};
+
+ if ( ! $filtered || $all ) {
+ $filtered = [ 0 .. $#{ $data->{items} } ];
+ warn "filter all values\n";
+ } else {
+ warn "filter using $all_filters\n";
+ }
+
+ foreach my $i ( @$filtered ) {
+ my $item = $data->{items}->[$i];
+ if ( ! exists $item->{$name} ) {
+ $facet->{ _missing }++;
+ } elsif ( ref $item->{$name} eq 'ARRAY' ) {
+ $facet->{$_}++ foreach @{ $item->{$name} };
+ } else {
+ $facet->{ $item->{$name} }++;
+ }
+ }
+
+# warn "# facet $name ",dump $facet;
+
+ my $checked;
+ my @facet_names =
+ $all ? keys %$facet
+ : defined $filters->{$name} ? @{ $filters->{$name} }
+ : keys %$facet;
+
+ $checked = $self->_checked( @{ $filters->{$name} } ) if defined $filters->{$name};
+
+ my $numeric = $self->_is_numeric($name);
+
+ my $sort = $self->param('sort');
+ # sort numeric facets with more than 5 values ascending
+ $sort ||= $numeric && $#facet_names > 4 ? 'a' : 'c';
+
+ @facet_names = sort {
+ my $result;
+ if ( $sort eq 'a' ) {
+ $result = $numeric ? $a <=> $b : lc $a cmp lc $b;
+ } elsif ( $sort eq 'd' ) {
+ $result = $numeric ? $b <=> $a : lc $b cmp lc $a;
+ } elsif ( $sort eq 'c' ) {
+ $result = ( $facet->{$b} || -1 ) <=> ( $facet->{$a} || -1 )
+ } else {
+ warn "unknown sort: $sort";
+ $result = $a cmp $b;
+ }
+ $result = $a cmp $b unless defined $result; # FIXME cludge for numeric facets with invalid data
+ $result;
+ } @facet_names;
+
+ $self->render( name => $name, facet => $facet, checked => $checked,
+ facet_names => \@facet_names, sort => $sort, numeric => $numeric,
+ );
+}
+
+sub edit {
+ my $self = shift;
+ my $content = $self->param('content');
+
+ $self->render(
+ content => $content
);
}