save selected column in views and load them
[MojoFacets.git] / lib / MojoFacets / Data.pm
index a02a563..314e72e 100644 (file)
@@ -14,6 +14,7 @@ use Storable;
 use Time::HiRes qw(time);
 use File::Path qw(mkpath);
 use Text::Unaccent::PurePerl;
+use Digest::MD5;
 
 use MojoFacets::Import::File;
 use MojoFacets::Import::HTMLTable;
@@ -43,11 +44,15 @@ sub index {
                } elsif ( -f $file && $file =~ m/\.csv$/i ) {
                        $file =~ s/$data_dir\/*//;
                        push @files, $file;
+               } elsif ( -f $file && $file =~ m/\.storable/i ) {
+                       $file =~ s/$data_dir\/*//;
+                       push @files, $file;
                } else {
                        #warn "IGNORE: $file\n";
                }
        }, $data_dir);
 
+       no warnings qw(uninitialized); # mtime
        @files = sort { $loaded->{$b}->{mtime} <=> $loaded->{$a}->{mtime} || lc $a cmp lc $b } @files,
                        grep { defined $loaded->{$_}->{generated} } keys %$loaded;
        my $size;
@@ -163,7 +168,7 @@ sub stats {
 sub _load_path {
        my ( $self, $path ) = @_;
 
-       return if defined $loaded->{$path}->{'generated'};
+       return if defined $loaded->{$path}->{generated};
 
        my $full_path = $self->app->home->rel_file( 'data/' . $path );
        $self->redirect_to('/data/index') unless -r $full_path;
@@ -185,6 +190,19 @@ sub _load_path {
        if ( -f $full_path ) {
                if ( $full_path =~ m/.csv/i ) {
                        $data = MojoFacets::Import::CSV->new( full_path => $full_path )->data;
+               } elsif ( $full_path =~ m/.storable/ ) {
+                       warn "open $full_path ", -s $full_path, " bytes";
+                       open(my $pipe, "<", $full_path) || die $!;
+                       while ( my $o = eval { Storable::fd_retrieve $pipe } ) {
+                               if ( defined $o->{item} ) {
+                                       push @{ $data->{items} }, $o->{item};
+                               } else {
+                                       warn "SKIP ",dump($o);
+                               }
+                       }
+                       close($pipe);
+                       warn "loaded ", $#{ $data->{items} } + 1, " items from $full_path\n";
+                       $data->{generated}++;
                } else {
                        $data = MojoFacets::Import::File->new( full_path => $full_path, path => $path )->data;
                }
@@ -218,10 +236,11 @@ sub _load_path {
                size => -s $full_path,
                mtime => (stat($full_path))[9],
                data => $data,
+               defined $data->{generated} ? ( generated => 1 ) : (),
        };
 
        $loaded->{ $path } = $info;
-       $self->_save( $path );
+       $self->_save( $path ) unless $info->{generated};
 
 }
 
@@ -279,11 +298,18 @@ sub _loaded {
                        warn "rebuild stats for $path ignored caller $caller\n";
                } else {
                        warn "rebuild stats for $path FORCED by modified caller $caller\n";
-                       $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
+#                      $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
+                       $loaded->{$path}->{rebuild_stats} = 1;
                        $loaded->{$path}->{modified} = 1;
                }
        }
 
+       if ( defined $loaded->{$path}->{rebuild_stats} ) {
+               warn "rebuild_stats $path";
+               $loaded->{$path}->{stats} = __stats( $loaded->{$path}->{data}->{items} );
+               delete $loaded->{$path}->{rebuild_stats};
+       }
+
        if ( ! defined $loaded->{$path}->{$name} ) {
                warn "$path $name isn't loaded\n";
                $self->_load_path( $path );
@@ -317,7 +343,25 @@ sub _permanent_path {
        $self->app->home->rel_dir('data') . '/' . join('.', $path, @_);
 }
 
+sub __unac {
+       my $n = shift;
+       $n = unac_string($n);
+       $n =~ s/\W+/_/g;
+       return $n;
+}
+
+sub _column_from_unac {
+       my ($self,$name) = @_;
+
+       my $stats = $self->_loaded('stats');
+       my $cols_norm = { map { __unac( $_ ) => $_ } keys %$stats };
+
+       $cols_norm->{$name} || die "can't find column $name in ", dump($cols_norm);
+}
+
 sub _export_path {
+       my $max_length = 80;
+
        my $self = shift;
        my $path = $self->_param_or_session('path');
        if ( ! $path ) {
@@ -326,18 +370,42 @@ sub _export_path {
        }
        my $dir = $self->app->home->rel_dir('public') . "/export/$path";
        mkpath $dir unless -e $dir;
-       $dir . '/' . unac_string( join('.', @_) );
+       my $name = join('.', map { __unac($_) } @_ );
+       if ( length($name) > $max_length ) {
+               $name = substr($name,0,$max_length) . Digest::MD5::md5_hex substr($name,$max_length);
+       }
+       my $full = $dir . '/' . $name;
+       $full =~ s/\/+$// if -d $full; # strip trailing slash for dirs
+       return $full;
 }
 
 sub columns {
     my $self = shift;
 
+       my $view_path = $self->_permanent_path( 'views' );
+
        if ( $self->param('columns') ) {
                my @columns = $self->_param_array('columns');
                write_file( $self->_permanent_path( 'columns' ), { binmode => ':utf8' }, map { "$_\n" } @columns );
+               if ( my $view = $self->param('view') ) {
+                       mkdir $view_path unless -e $view_path;
+                       write_file( "$view_path/$view", { binmode => ':utf8' }, map { "$_\n" } @columns );
+                       warn "view $view_path/$view ", -s "$view_path/$view", " bytes\n";
+               }
+
                $self->redirect_to('/data/items');
        }
 
+       if ( my $id = $self->param('id') ) {
+               my $view_full = "$view_path/$id";
+               if ( -f $view_full ) {
+                       my @columns = map { chomp; $_ } read_file $view_full, binmode => ':utf8';
+                       warn "view $view_full loaded ", dump @columns;
+                       $self->session( 'columns' => [ @columns ] );
+                       $self->redirect_to('/data/items');
+               }
+       }
+
        my $stats = $self->_loaded( 'stats' );
 
        my @columns;
@@ -347,11 +415,18 @@ sub columns {
                push @columns, $c unless grep { /^\Q$c\E$/ } @columns;
        }
 
+       my @views;
+       if ( -d $view_path ) {
+               @views = map { s{^\Q$view_path\E/*}{}; $_ } glob "$view_path/*";
+               warn "# views ",dump @views;
+       }
+
     $self->render(
                message => 'Select columns to display',
                stats => $stats,
                columns => \@columns,
                checked => $self->_checked( $self->_param_array('columns') ),
+               views => \@views,
        );
 }
 
@@ -465,15 +540,12 @@ sub _filter_on_data {
 sub _current_filters {
        my $self = shift;
        my $current_filters;
-       my $columns = $self->_loaded('header');
-       if ( my $sc = $self->session('columns') ) {
-               $columns = $sc;
-       }
+       my $stats = $self->_loaded('stats');
 
        $current_filters->{ $_ } = $filters->{ $_ }
-               foreach ( grep { defined $filters->{ $_ } } @$columns )
+               foreach ( grep { defined $filters->{ $_ } } keys %$stats )
        ;
-       warn "# _current_filters ",dump($columns);
+       warn "# _current_filters ",dump( keys %$current_filters );
        return $current_filters;
 }
 
@@ -526,6 +598,22 @@ sub __all_filters {
        join(',', sort(@_), 'order', $order);
 }
 
+our ($out, $key,$value);
+
+sub __commit_path_code {
+       my ( $path, $i, $code, $commit_changed ) = @_;
+
+       my $items = $loaded->{$path}->{data}->{items} || die "no items for $path";
+       my $row = $items->[$i];
+       my $update;
+       eval $code;
+       foreach ( keys %$update ) {
+               $$commit_changed->{$_}++;
+               $loaded->{$path}->{data}->{items}->[$i]->{$_} = $update->{$_};
+       }
+       #warn "__commit_path_code $path $i ",dump( $update );
+}
+
 sub items {
        my $self = shift;
 
@@ -608,7 +696,8 @@ sub items {
        my $data = $self->_loaded('data');
 
        my $code = $self->_param_scalar('code','');
-       $code =~ s{[\r\n]+$}{}s;
+       $code =~ s{\r}{}gs;
+       $code =~ s{\n+$}{\n}s;
 
        my $commit = $self->param('commit');
        my $test = $self->param('test');
@@ -631,27 +720,32 @@ sub items {
        if ( $commit ) {
 
                warn "# commit on ", $#$filtered + 1, " items:\n$code\n";
-               my $out;
+               ( $key, $value, $out ) = ( 'key', 'value' );
                foreach ( 0 .. $#$filtered ) {
                        my $i = $filtered->[$_];
-                       my $row = $data->{items}->[$i];
-                       my $update;
-                       eval $code;
-                       foreach ( keys %$update ) {
-                               $commit_changed->{$_}++;
-                               $row->{$_} = $update->{$_};
-                       }
+                       __commit_path_code( $path, $i, $code, \$commit_changed );
                }
+
+               $self->_save_change({
+                       path => $path,
+                       time => $self->param('time') || time(),
+                       user => $self->param('user') || $ENV{'LOGNAME'},
+                       code => $code,
+                       commit_changed => $commit_changed,
+               });
+
                if ( my $description = $self->param('code_description') ) {
                        my $depends = $self->param('code_depends') || die "no code_depends?";
                        my $path = "$code_path/$depends.$description.pl";
                        if ( -e $path && ! $self->param('overwrite') ) {
                                warn "# code $path not saved\n";
                        } else {
-                               write_file(  $path, { binmode => ':utf8' }, $code );
+                               write_file(  $path, { binmode => ':utf8' }, "$code\n" );
                                warn "code $path ", -s $path, " bytes saved\n";
                        }
                }
+
+               # remove console
                $code = '';
                if ( $out ) {
                        my $commit_dataset = join('.'
@@ -659,9 +753,9 @@ sub items {
                                , $self->param('code_description')
                                , time()
                        );
-                       my $key = $self->param('code_depends');
-                       $key =~ s/,.+$//;
                        $key ||= 'key';
+                       $value ||= 'value';
+                       warn "key $key value $value";
                        my $items;
                        foreach my $n ( keys %$out ) {
                                my $i = { $key => [ $n ] };
@@ -671,7 +765,7 @@ sub items {
                                } elsif ( $ref eq 'ARRAY' ) {
                                        $i->{$_} = $out->{$n};
                                } elsif ( ! $ref ) {
-                                       $i->{value} = [ $out->{$n} ];
+                                       $i->{$value} = [ $out->{$n} ];
                                } else {
                                        $i->{_error} = [ dump($out->{$n}) ];
                                }
@@ -699,7 +793,7 @@ sub items {
                }
 
                # this might move before $out to recalculate stats on source dataset?
-               __path_modified( $path, 2 );
+               __path_rebuild_stats( $path );
                my $c = { map { $_ => 1 } @columns };
                my @added_columns = sort grep { ! $c->{$_} } keys %$commit_changed;
                warn "# added_columns ",dump( @added_columns );
@@ -715,7 +809,7 @@ sub items {
        my $sorted_items;
        my $from_end = $sort eq 'd' ? $#$filtered : 0;
        my $test_changed;
-       my $out;
+       my ( $key, $value, $out ) = ( 'key', 'value' ); # XXX make local
        foreach ( 0 .. $limit ) {
                my $i = $_ + $offset;
                last unless defined $filtered->[$i];
@@ -726,7 +820,7 @@ sub items {
                        my $update;
                        eval $code;
                        if ( $@ ) {
-                               warn "ERROR evaling\n$code\n$@";
+                               warn "ERROR evaling $@", dump($code);
                                $self->stash('eval_error', $@) if $@;
                        } else {
                                warn "EVAL ",dump($update);
@@ -742,15 +836,23 @@ sub items {
 
        if ( $self->param('export') ) {
                my $export_path = $self->_export_path( 'items', @columns);
-               open(my $fh, '>', $export_path) || warn "ERROR: can't open $export_path: $!";
+               open(my $fh, '>', $export_path) || die "ERROR: can't open $export_path: $!";
+               print $fh "#",join("\t",@columns),"\n";
                foreach my $f ( 0 .. $#$filtered ) {
                        print $fh join("\t", map {
                                my $i = $data->{items}->[ $filtered->[$f] ];
-                               if ( ref $i->{$_} eq 'ARRAY' ) {
-                                       join(',', @{ $i->{$_} });
+                               my $v = '\N';
+                               if ( ! defined $i->{$_} ) {
+                                       # nop
+                               } elsif ( ref $i->{$_} eq 'ARRAY' ) {
+                                       $v =join(',', @{ $i->{$_} });
+                                       $v = '\N' if length($v) == 0;
+                               } elsif ( ! ref $i->{$_} ) {
+                                       $v = $i->{$_};
                                } else {
-                                       dump $i->{$_};
+                                       $v = dump $i->{$_};
                                }
+                               $v;
                        } @columns),"\n";
                }
                close($fh);
@@ -770,6 +872,10 @@ sub items {
        join(',', @added_columns);
 
        $code_depends ||= $code_description; # self-modifing
+       if ( ! $code_depends && $out ) {
+               $code_depends = $key;
+               $code_description = $value;
+       }
 
        warn "# test_changed ",dump( $test_changed, $code_depends, $code_description );
 
@@ -877,16 +983,34 @@ sub facet {
                }
        }
 
+       my $checked_values = $self->_checked( @{ $filters->{$name} } ) if defined $filters->{$name};
+
+       if ( my $code = $self->param('code') ) {
+               my $out;
+               foreach my $value ( keys %$facet ) {
+                       my $count = $facet->{$value};
+                       my $checked = $checked_values->{$value};
+                       eval $code;
+                       if ( $@ ) {
+                               $out = $@;
+                               warn "ERROR: $@\n$code\n";
+                               last;
+                       } elsif ( $checked != $checked_values->{$value} ) {
+                               warn "checked $value $count -> $checked\n";
+                               $checked_values->{$value} = $checked;
+                       }
+               }
+               warn "out ",dump( $out );
+               $self->stash( out => $out );
+       }
+
 #      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');
@@ -909,7 +1033,7 @@ sub facet {
                $result;
        } @facet_names;
 
-       $self->render( name => $name, facet => $facet, checked => $checked,
+       $self->render( name => $name, facet => $facet, checked => $checked_values,
                facet_names => \@facet_names, sort => $sort, numeric => $numeric,
        );
 }
@@ -938,6 +1062,19 @@ sub __path_modified {
        warn "# __path_modified $path $value\n";
 }
 
+sub __path_rebuild_stats { $loaded->{ $_[0] }->{rebuild_stats} = 1 };
+
+sub _save_change {
+       my ($self,$change) = @_;
+
+       my $change_path = $self->_permanent_path( 'changes' );
+       mkdir $change_path unless -d $change_path;
+       $change_path .= '/' . $change->{time};
+       store $change, $change_path;
+       utime $change->{time}, $change->{time}, $change_path;
+       warn "_save_change $change_path ", dump($change);
+}
+
 sub edit {
        my $self = shift;
        my $new_content = $self->param('new_content');
@@ -966,7 +1103,7 @@ sub edit {
                if ( $old ne $new
                        && ! ( $old eq 'undef' && length($new_content) == 0 ) # new value empty, previous undef
                ) {
-                       my $change = {
+                       $self->_save_change({
                                path => $path,
                                column => $name,
                                pos => $i,
@@ -979,13 +1116,7 @@ sub edit {
                                        grep { defined $loaded->{$path}->{stats}->{$_}->{unique} }
                                        keys %{ $loaded->{$path}->{stats} }
                                },
-                       };
-                       my $change_path = $self->_permanent_path( 'changes' );
-                       mkdir $change_path unless -d $change_path;
-                       $change_path .= '/' . $change->{time};
-                       store $change, $change_path;
-                       utime $change->{time}, $change->{time}, $change_path;
-                       warn "# $change_path ", dump($change);
+                       });
 
                        warn "# change $path $i $old -> $new\n";
                        $loaded->{$path}->{data}->{items}->[$i]->{$name} = $v;
@@ -993,8 +1124,7 @@ sub edit {
                        __invalidate_path_column( $path, $name );
 
                        $status = 201; # created
-                       # modified = 2 -- force rebuild of stats
-                       __path_modified( $path, 2 );
+                       __path_rebuild_stats( $path );
        
                        $new_content = join("\xB6",@$v);
 
@@ -1028,12 +1158,16 @@ sub save {
 sub export {
        my $self = shift;
 
+       my $dir = $self->app->home->rel_dir('public');
+
        if ( my $import = $self->param('import') ) {
 
                if ( $import =~ m{/filter\.(.+?)\..+} ) {
-                       my $name = $1;
+                       my $name = $self->_column_from_unac( $1 );
+
                        my @vals = map { chomp; $_ }
-                               read_file $self->app->home->rel_dir('public') . "/export/$import", binmode => ':utf8';
+                               read_file "$dir/export/$import", binmode => ':utf8';
+
                        $self->_remove_filter( $name );
                        $self->_filter_on_data( $name, @vals );
                        $self->session( 'offset' => 0 );
@@ -1043,7 +1177,16 @@ sub export {
                }
        }
 
-       my @files = glob( $self->_export_path . '*' );
+       if ( my $remove = $self->param('remove') ) {
+               my $path = "$dir/export/$remove";
+               unlink $path if -e $path;
+               $path .= '.png';
+               unlink $path if -e $path;
+       }
+
+       my $path = $self->_export_path || $self->redirect_to('/data/index');
+
+       my @files = grep { ! /\.png$/ } glob "$path/*";
        my $mtime = { map { $_ => (stat($_))[9] } @files };
        @files = sort { $mtime->{$b} <=> $mtime->{$a} } @files;
        $self->render( export => [ @files ] );