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dpavlin |
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package WebPAC::Output::Excel; |
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use warnings; |
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use strict; |
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use WebPAC::Common; |
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use base qw/WebPAC::Common WebPAC::Output Class::Accessor/; |
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__PACKAGE__->mk_accessors(qw( |
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path |
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filter |
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workbook |
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worksheet |
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line |
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)); |
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use Spreadsheet::WriteExcel; |
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use File::Slurp; |
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=head1 NAME |
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WebPAC::Output::Excel - Create binary Excel file |
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=cut |
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=head1 SYNOPSIS |
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Create Excel output for export into other systems from C<csv()> constructs |
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with columns named C<A>..C<Z> (or whatever L<Spreadsheet::WriteExcel> supports) |
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=head1 FUNCTIONS |
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=head2 new |
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my $out = new WebPAC::Output::Excel({ |
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path => '/path/to/file.xls', |
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filter => 'csv', |
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}); |
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Options are: |
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=over 4 |
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=item path |
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path to Excel file |
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=item filter |
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select name of variable from C<< to('csv','A',...) >> constructs used by |
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L<WebPAC::Normalize> |
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=back |
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=head2 init |
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$out->init; |
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=cut |
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sub init { |
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my $self = shift; |
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my $log = $self->_get_logger; |
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if ( ! $self->path ) { |
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$log->logwarn("need path for ", __PACKAGE__); |
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return 0; |
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} |
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$self->workbook( Spreadsheet::WriteExcel->new( $self->path ) ) || |
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$log->logdie("can't open ", $self->path,": $!"); |
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$self->worksheet( $self->workbook->add_worksheet() ) || |
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$log->logdie("can't add_worksheet"); |
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$self->line( 1 ); |
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$self->filter( 'csv' ) unless $self->filter; |
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return 1; |
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} |
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=head2 add |
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Adds one entry to database. |
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$out->add( 42, $ds ); |
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Returns number of columns added |
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=cut |
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sub add { |
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my $self = shift; |
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my ( $id, $ds ) = @_; |
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my $log = $self->_get_logger; |
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$log->logdie("need id") unless defined $id; |
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$log->logdie("need ds") unless $ds; |
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$log->debug("id: $id ds = ",sub { dump($ds) }); |
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my $l = $self->line; |
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my $cols = 0; |
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my $hash = $self->ds_to_hash( $ds, $self->filter, disable_key_mungle => 1 ); |
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$log->debug("hash from ",$self->filter," = ", sub { dump( $hash ) }); |
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my $worksheet = $self->worksheet || $log->logconfess("no worksheet?"); |
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foreach my $col ( sort grep { /^[A-Z]/ } keys %$hash ) { |
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my $val = $hash->{$col}; |
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$log->debug("$col$l|$val"); |
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$worksheet->write( $col . $l , $val ); |
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# || $log->logdie("can't add ", $col, $l, '|', $val, ": $!"); |
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$cols++; |
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} |
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$self->line( $l + 1 ) if $cols; |
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return $cols; |
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} |
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=head2 finish |
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$out->finish; |
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=cut |
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sub finish { |
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my $self = shift; |
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my $log = $self->_get_logger(); |
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$self->workbook->close() || |
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$log->logdie("can't close Excel file ", $self->path, ": $!"); |
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} |
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=head1 AUTHOR |
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Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >> |
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=head1 COPYRIGHT & LICENSE |
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Copyright 2007 Dobrica Pavlinusic, All Rights Reserved. |
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This program is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
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=cut |
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1; # End of WebPAC::Output::Excel |