lib/MojoFacets/Import/File.pm

   1 package MojoFacets::Import::File;
   2
   3 use warnings;
   4 use strict;
   5
   6 use base 'Mojo::Base';
   7
   8 use HTML::TableExtract;
   9 use File::Slurp;
  10 use Data::Dump qw(dump);
  11 use JSON;
  12
  13 __PACKAGE__->attr('path');
  14 __PACKAGE__->attr('full_path');
  15
  16 sub data {
  17         my $self = shift;
  18
  19         my $path = $self->path;
  20
  21         # we could use Mojo::JSON here, but it's too slow
  22 #       $data = from_json read_file $path;
  23         my $data = read_file $self->full_path;
  24         warn "# data snippet: ", substr($data,0,200);
  25         my @header;
  26         if ( $path =~ m/\.js/ ) {
  27                 Encode::_utf8_on($data);
  28                 $data = from_json $data;
  29         } elsif ( $path =~ m/\.txt/ ) {
  30                 my @lines = split(/\r?\n/, $data);
  31                 $data = { items => [] };
  32
  33                 my $header_line = shift @lines;
  34                 my $multiline = $header_line =~ s/\^//g;
  35                 @header = split(/\|/, $header_line );
  36                 warn "# header ", dump( @header );
  37                 while ( my $line = shift @lines ) {
  38                         $line =~ s/\^//g;
  39                         chomp $line;
  40                         my @v = split(/\|/, $line);
  41                         while ( @lines && $#v < $#header ) {
  42                                 $line = $lines[0];
  43                                 $line =~ s/\^//g;
  44                                 chomp $line;
  45                                 my @more_v = split(/\|/, $line);
  46                                 if ( $#v + $#more_v > $#header ) {
  47                                         warn "short line: ",dump( @v );
  48                                         last;
  49                                 }
  50                                 shift @lines;
  51                                 $v[ $#v ] .= shift @more_v if @more_v;
  52                                 push @v, @more_v if @more_v;
  53
  54                                 if ( $#v > $#header ) {
  55                                         die "# splice $#header ", dump( @v );
  56                                         @v = splice @v, 0, $#header;
  57                                 }
  58                         }
  59                         my $item;
  60                         foreach my $i ( 0 .. $#v ) {
  61                                 $item->{ $header[$i] || "f_$i" } = [ $v[$i] ];
  62                         }
  63                         push @{ $data->{items} }, $item;
  64                 }
  65         } else {
  66                 warn "file format unknown $path";
  67         }
  68
  69         $data->{header} = [ @header ];
  70
  71         return $data;
  72
  73 }
  74
  75 1