patroncards/create-pdf.pl

   1 #!/usr/bin/perl
   2 #
   3 # Copyright 2009 Foundations Bible College.
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it under the
   8 # terms of the GNU General Public License as published by the Free Software
   9 # Foundation; either version 2 of the License, or (at your option) any later
  10 # version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  14 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License along
  17 # with Koha; if not, write to the Free Software Foundation, Inc.,
  18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19
  20 use strict;
  21 use warnings;
  22
  23 use CGI;
  24 use Graphics::Magick;
  25 use XML::Simple;
  26 use POSIX qw(ceil);
  27 use autouse 'Data::Dumper' => qw(Dumper);
  28
  29 use C4::Debug;
  30 use C4::Context;
  31 use autouse 'C4::Members' => qw(GetPatronImage GetMember);
  32 use C4::Creators 1.000000;
  33 use C4::Patroncards 1.000000;
  34
  35 my $cgi = new CGI;
  36
  37 my $batch_id    = $cgi->param('batch_id') if $cgi->param('batch_id');
  38 my $template_id = $cgi->param('template_id') || undef;
  39 my $layout_id   = $cgi->param('layout_id') || undef;
  40 my $start_label = $cgi->param('start_label') || 1;
  41 my @label_ids   = $cgi->param('label_id') if $cgi->param('label_id');
  42 my @borrower_numbers  = $cgi->param('borrower_number') if $cgi->param('borrower_number');
  43
  44 my $items = undef; # items = cards
  45 my $new_page = 0;
  46
  47 my $pdf_file = (@label_ids || @borrower_numbers ? "card_single_" . scalar(@label_ids || @borrower_numbers) : "card_batch_$batch_id");
  48 print $cgi->header( -type       => 'application/pdf',
  49                     -encoding   => 'utf-8',
  50                     -attachment => "$pdf_file.pdf",
  51                   );
  52
  53 my $pdf = C4::Creators::PDF->new(InitVars => 0);
  54 my $batch = C4::Patroncards::Batch->retrieve(batch_id => $batch_id);
  55 my $template = C4::Patroncards::Template->retrieve(template_id => $template_id, profile_id => 1);
  56 my $layout = C4::Patroncards::Layout->retrieve(layout_id => $layout_id);
  57
  58 $| = 1;
  59
  60 # set the paper size
  61 my $lower_left_x  = 0;
  62 my $lower_left_y  = 0;
  63 my $upper_right_x = $template->get_attr('page_width');
  64 my $upper_right_y = $template->get_attr('page_height');
  65
  66 $pdf->Compress(1); # comment this out to debug pdf files, but be sure to uncomment it in production or you may be very sorry...
  67 $pdf->Mbox($lower_left_x, $lower_left_y, $upper_right_x, $upper_right_y);
  68
  69 my ($llx, $lly) = 0,0;
  70 (undef, undef, $llx, $lly) = $template->get_label_position($start_label);
  71
  72 if (@label_ids) {
  73     my $batch_items = $batch->get_attr('items');
  74     grep {
  75         my $label_id = $_;
  76         push(@{$items}, grep{$_->{'label_id'} == $label_id;} @{$batch_items});
  77     } @label_ids;
  78 }
  79 elsif (@borrower_numbers) {
  80     grep {
  81         push(@{$items}, {item_number => $_});
  82     } @borrower_numbers;
  83 }
  84 else {
  85     $items = $batch->get_attr('items');
  86 }
  87
  88 my $layout_xml = XMLin($layout->get_attr('layout_xml'), ForceArray => 1);
  89
  90 if ($layout_xml->{'page_side'} eq 'B') { # rearrange items on backside of page to swap columns
  91     my $even = 1;
  92     my $odd = 0;
  93     my @swap_array = ();
  94     while ($even <= (scalar(@{$items})+1)) {
  95         push (@swap_array, @{$items}[$even]);
  96         push (@swap_array, @{$items}[$odd]);
  97         $even += 2;
  98         $odd += 2;
  99     }
 100     @{$items} = @swap_array;
 101 }
 102
 103 CARD_ITEMS:
 104 foreach my $item (@{$items}) {
 105     if ($item) {
 106         my $borrower_number = $item->{'borrower_number'};
 107         my $card_number = GetMember(borrowernumber => $borrower_number)->{'cardnumber'};
 108
 109 #       Set barcode data
 110         $layout_xml->{'barcode'}->[0]->{'data'} = $card_number if $layout_xml->{'barcode'};
 111
 112 #       Create a new patroncard object
 113         my $patron_card = C4::Patroncards::Patroncard->new(
 114                 batch_id                => 1,
 115                 borrower_number         => $borrower_number,
 116                 llx                     => $llx, # lower left corner of the card
 117                 lly                     => $lly,
 118                 height                  => $template->get_attr('label_height'), # of the card
 119                 width                   => $template->get_attr('label_width'),
 120                 layout                  => $layout_xml,
 121                 text_wrap_cols          => 30, #FIXME: hardcoded
 122         );
 123         $patron_card->draw_guide_box($pdf) if $layout_xml->{'guide_box'};
 124         $patron_card->draw_barcode($pdf) if $layout_xml->{'barcode'};
 125
 126 #       Do image foo and place binary image data into layout hash
 127         my $image_data = {};
 128         my $error = undef;
 129         my $images = $layout_xml->{'images'};
 130         PROCESS_IMAGES:
 131         foreach (keys %{$images}) {
 132             if (grep{m/source/} keys(%{$images->{$_}->{'data_source'}->[0]})) {
 133                 if ($images->{$_}->{'data_source'}->[0]->{'image_source'} eq 'none') {
 134                     next PROCESS_IMAGES;
 135                 }
 136                 elsif ($images->{$_}->{'data_source'}->[0]->{'image_source'} eq 'patronimages') {
 137                     ($image_data, $error) = GetPatronImage($card_number);
 138                     warn sprintf('No image exists for borrower number %s.', $borrower_number) if !$image_data;
 139                     next PROCESS_IMAGES if !$image_data;
 140                 }
 141                 elsif ($images->{$_}->{'data_source'}->[0]->{'image_source'} eq 'creator_images') {
 142                     my $dbh = C4::Context->dbh();
 143                     $dbh->{LongReadLen} = 1000000;      # allows us to read approx 1MB
 144                     $image_data = $dbh->selectrow_hashref("SELECT imagefile FROM creator_images WHERE image_name = \'$images->{$_}->{'data_source'}->[0]->{'image_name'}\'");
 145                     warn sprintf('Database returned the following error: %s.', $error) if $error;
 146                     warn sprintf('Image does not exists in db table %s.', $images->{$_}->{'data_source'}->[0]->{'image_name'}) if !$image_data;
 147                     next PROCESS_IMAGES if !$image_data;
 148                 }
 149                 else {
 150                     warn sprintf('No retrieval method for image source %s.', $images->{$_}->{'data_source'}->[0]->{'image_source'});
 151                     next PROCESS_IMAGES;
 152                 }
 153             }
 154             else {
 155                 warn sprintf("Unrecognized image data source: %s", $images->{$_}->{'data_source'});
 156                 next PROCESS_IMAGES;
 157             }
 158
 159         my $binary_data = $image_data->{'imagefile'};
 160
 161 #       invoke the display image object...
 162         my $image = Graphics::Magick->new;
 163         $image->BlobToImage($binary_data);
 164
 165 #       invoke the alt (aka print) image object...
 166         my $alt_image = Graphics::Magick->new;
 167         $alt_image->BlobToImage($binary_data);
 168         $alt_image->Set(magick => 'jpg', quality => 100);
 169
 170         my $alt_width = ceil($image->Get('width')); # the rounding up is important: Adobe reader does not handle long decimal numbers well
 171         my $alt_height = ceil($image->Get('height'));
 172         my $ratio = $alt_width / $alt_height;
 173         my $display_height = ceil($images->{$_}->{'Dx'});
 174         my $display_width = ceil($ratio * $display_height);
 175
 176
 177         $image->Resize(width => $display_width, height => $display_height);
 178         $image->Set(magick => 'jpg', quality => 100);
 179
 180 #       Write params for alt image...
 181             $images->{$_}->{'alt'}->{'Sx'} = $alt_width;
 182             $images->{$_}->{'alt'}->{'Sy'} = $alt_height;
 183             $images->{$_}->{'alt'}->{'data'} = $alt_image->ImageToBlob();
 184
 185 #       Write params for display image...
 186             $images->{$_}->{'Sx'} = $display_width;
 187             $images->{$_}->{'Sy'} = $display_height;
 188             $images->{$_}->{'data'} = $image->ImageToBlob();
 189
 190             my $err = $patron_card->draw_image($pdf);
 191             warn sprintf ("Error encountered while attempting to draw image %s, %s", $_, $err) if $err;
 192         }
 193         $patron_card->draw_text($pdf);
 194     }
 195     ($llx, $lly, $new_page) = $template->get_next_label_pos();
 196     $pdf->Page() if $new_page;
 197 }
 198
 199 $pdf->End();
 200
 201 # FIXME: Possibly do a redirect here if there were error encountered during PDF creation.
 202
 203 1;