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
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  19
  20 use strict;
  21 use warnings;
  22
  23 use CGI qw ( -utf8 );
  24 use C4::Auth;
  25 use Graphics::Magick;
  26 use XML::Simple;
  27 use POSIX qw(ceil);
  28 use autouse 'Data::Dumper' => qw(Dumper);
  29
  30 use C4::Debug;
  31 use C4::Context;
  32 use autouse 'C4::Members' => qw(GetPatronImage GetMember);
  33 use C4::Creators;
  34 use C4::Patroncards;
  35
  36 my $cgi = new CGI;
  37
  38 my ( $template, $loggedinuser, $cookie ) = get_template_and_user({
  39                                                                      template_name   => "labels/label-home.tt",
  40                                                                      query           => $cgi,
  41                                                                      type            => "intranet",
  42                                                                      authnotrequired => 0,
  43                                                                      flagsrequired   => { tools => 'label_creator' },
  44                                                                      debug           => 1,
  45                                                                      });
  46
  47
  48 my $batch_id    = $cgi->param('batch_id') if $cgi->param('batch_id');
  49 my $template_id = $cgi->param('template_id') || undef;
  50 my $layout_id   = $cgi->param('layout_id') || undef;
  51 my $start_card = $cgi->param('start_card') || 1;
  52 my @label_ids   = $cgi->param('label_id') if $cgi->param('label_id');
  53 my @borrower_numbers  = $cgi->param('borrower_number') if $cgi->param('borrower_number');
  54
  55 my $items = undef; # items = cards
  56 my $new_page = 0;
  57
  58 my $pdf_file = (@label_ids || @borrower_numbers ? "card_single_" . scalar(@label_ids || @borrower_numbers) : "card_batch_$batch_id");
  59 print $cgi->header( -type       => 'application/pdf',
  60                     -encoding   => 'utf-8',
  61                     -attachment => "$pdf_file.pdf",
  62                   );
  63
  64 my $pdf = C4::Creators::PDF->new(InitVars => 0);
  65 my $batch = C4::Patroncards::Batch->retrieve(batch_id => $batch_id);
  66 my $pc_template = C4::Patroncards::Template->retrieve(template_id => $template_id, profile_id => 1);
  67 my $layout = C4::Patroncards::Layout->retrieve(layout_id => $layout_id);
  68
  69 $| = 1;
  70
  71 # set the paper size
  72 my $lower_left_x  = 0;
  73 my $lower_left_y  = 0;
  74 my $upper_right_x = $pc_template->get_attr('page_width');
  75 my $upper_right_y = $pc_template->get_attr('page_height');
  76
  77 $pdf->Compress(1); # comment this out to debug pdf files, but be sure to uncomment it in production or you may be very sorry...
  78 $pdf->Mbox($lower_left_x, $lower_left_y, $upper_right_x, $upper_right_y);
  79
  80 my ($llx, $lly) = 0,0;
  81 (undef, undef, $llx, $lly) = $pc_template->get_label_position($start_card);
  82
  83 if (@label_ids) {
  84     my $batch_items = $batch->get_attr('items');
  85     grep {
  86         my $label_id = $_;
  87         push(@{$items}, grep{$_->{'label_id'} == $label_id;} @{$batch_items});
  88     } @label_ids;
  89 }
  90 elsif (@borrower_numbers) {
  91     grep {
  92         push(@{$items}, {borrower_number => $_});
  93     } @borrower_numbers;
  94 }
  95 else {
  96     $items = $batch->get_attr('items');
  97 }
  98
  99 my $layout_xml = XMLin($layout->get_attr('layout_xml'), ForceArray => 1);
 100
 101 if ($layout_xml->{'page_side'} eq 'B') { # rearrange items on backside of page to swap columns
 102     my $even = 1;
 103     my $odd = 0;
 104     my @swap_array = ();
 105     while ($even <= (scalar(@{$items})+1)) {
 106         push (@swap_array, @{$items}[$even]);
 107         push (@swap_array, @{$items}[$odd]);
 108         $even += 2;
 109         $odd += 2;
 110     }
 111     @{$items} = @swap_array;
 112 }
 113
 114 CARD_ITEMS:
 115 foreach my $item (@{$items}) {
 116     if ($item) {
 117         my $borrower_number = $item->{'borrower_number'};
 118         my $card_number = GetMember(borrowernumber => $borrower_number)->{'cardnumber'};
 119
 120 #       Set barcode data
 121         $layout_xml->{'barcode'}->[0]->{'data'} = $card_number if $layout_xml->{'barcode'};
 122
 123 #       Create a new patroncard object
 124         my $patron_card = C4::Patroncards::Patroncard->new(
 125                 batch_id                => 1,
 126                 borrower_number         => $borrower_number,
 127                 llx                     => $llx, # lower left corner of the card
 128                 lly                     => $lly,
 129                 height                  => $pc_template->get_attr('label_height'), # of the card
 130                 width                   => $pc_template->get_attr('label_width'),
 131                 layout                  => $layout_xml,
 132                 text_wrap_cols          => 30, #FIXME: hardcoded,
 133         );
 134
 135         $patron_card->draw_guide_box($pdf) if $layout_xml->{'guide_box'};
 136         $patron_card->draw_barcode($pdf) if $layout_xml->{'barcode'};
 137
 138 #       Do image foo and place binary image data into layout hash
 139         my $image_data = {};
 140         my $error = undef;
 141         my $images = $layout_xml->{'images'};
 142         PROCESS_IMAGES:
 143         foreach (keys %{$images}) {
 144             if (grep{m/source/} keys(%{$images->{$_}->{'data_source'}->[0]})) {
 145                 if ($images->{$_}->{'data_source'}->[0]->{'image_source'} eq 'none') {
 146                     next PROCESS_IMAGES;
 147                 }
 148                 elsif ($images->{$_}->{'data_source'}->[0]->{'image_source'} eq 'patronimages') {
 149                     ($image_data, $error) = GetPatronImage($borrower_number);
 150                     warn sprintf('No image exists for borrower number %s.', $borrower_number) if !$image_data;
 151                     next PROCESS_IMAGES if !$image_data;
 152                 }
 153                 elsif ($images->{$_}->{'data_source'}->[0]->{'image_source'} eq 'creator_images') {
 154                     my $dbh = C4::Context->dbh();
 155                     $dbh->{LongReadLen} = 1000000;      # allows us to read approx 1MB
 156                     $image_data = $dbh->selectrow_hashref("SELECT imagefile FROM creator_images WHERE image_name = \'$images->{$_}->{'data_source'}->[0]->{'image_name'}\'");
 157                     warn sprintf('Database returned the following error: %s.', $error) if $error;
 158                     warn sprintf('Image does not exists in db table %s.', $images->{$_}->{'data_source'}->[0]->{'image_name'}) if !$image_data;
 159                     next PROCESS_IMAGES if !$image_data;
 160                 }
 161                 else {
 162                     warn sprintf('No retrieval method for image source %s.', $images->{$_}->{'data_source'}->[0]->{'image_source'});
 163                     next PROCESS_IMAGES;
 164                 }
 165             }
 166             else {
 167                 warn sprintf("Unrecognized image data source: %s", $images->{$_}->{'data_source'});
 168                 next PROCESS_IMAGES;
 169             }
 170
 171         my $binary_data = $image_data->{'imagefile'};
 172
 173 #       invoke the display image object...
 174         my $image = Graphics::Magick->new;
 175         $image->BlobToImage($binary_data);
 176
 177 #       invoke the alt (aka print) image object...
 178         my $alt_image = Graphics::Magick->new;
 179         $alt_image->BlobToImage($binary_data);
 180         $alt_image->Set(magick => 'jpg', quality => 100);
 181
 182         #To avoid pixelation have the image 5 times bigger and
 183         #scale it down in PDF itself
 184         my $oversize_factor = 8;
 185         my $pdf_scale_factor = 1 / $oversize_factor;
 186
 187         my $alt_width = ceil($image->Get('width')); # the rounding up is important: Adobe reader does not handle long decimal numbers well
 188         my $alt_height = ceil($image->Get('height'));
 189         my $ratio = $alt_width / $alt_height;
 190         my $display_height = ceil($images->{$_}->{'Dx'});
 191         my $display_width = ceil($ratio * $display_height);
 192
 193
 194         $image->Resize(width => $oversize_factor * $display_width, height => $oversize_factor * $display_height);
 195         $image->Set(magick => 'jpg', quality => 100);
 196
 197 #       Write param for downsizing in pdf
 198             $images->{$_}->{'scale'} = $pdf_scale_factor;
 199
 200 #       Write params for alt image...
 201             $images->{$_}->{'alt'}->{'Sx'} = $oversize_factor * $alt_width;
 202             $images->{$_}->{'alt'}->{'Sy'} = $oversize_factor * $alt_height;
 203             $images->{$_}->{'alt'}->{'data'} = $alt_image->ImageToBlob();
 204
 205 #       Write params for display image...
 206             $images->{$_}->{'Sx'} = $oversize_factor * $display_width;
 207             $images->{$_}->{'Sy'} = $oversize_factor * $display_height;
 208             $images->{$_}->{'data'} = $image->ImageToBlob();
 209
 210             my $err = $patron_card->draw_image($pdf);
 211             warn sprintf ("Error encountered while attempting to draw image %s, %s", $_, $err) if $err;
 212         }
 213         $patron_card->draw_text($pdf);
 214     }
 215     ($llx, $lly, $new_page) = $pc_template->get_next_label_pos();
 216     $pdf->Page() if $new_page;
 217 }
 218
 219 $pdf->End();
 220
 221 # FIXME: Possibly do a redirect here if there were error encountered during PDF creation.
 222
 223 1;