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(GetMember);
  33 use C4::Creators;
  34 use C4::Patroncards;
  35 use Koha::List::Patron;
  36 use Koha::Patron::Images;
  37
  38 my $cgi = new CGI;
  39
  40 my ( $template, $loggedinuser, $cookie ) = get_template_and_user({
  41                                                                      template_name   => "labels/label-home.tt",
  42                                                                      query           => $cgi,
  43                                                                      type            => "intranet",
  44                                                                      authnotrequired => 0,
  45                                                                      flagsrequired   => { tools => 'label_creator' },
  46                                                                      debug           => 1,
  47                                                                      });
  48
  49
  50 my $batch_id    = $cgi->param('batch_id') if $cgi->param('batch_id');
  51 my $template_id = $cgi->param('template_id') || undef;
  52 my $layout_id   = $cgi->param('layout_id') || undef;
  53 my $start_card = $cgi->param('start_card') || 1;
  54 my @label_ids   = $cgi->multi_param('label_id') if $cgi->param('label_id');
  55 my @borrower_numbers  = $cgi->multi_param('borrower_number') if $cgi->param('borrower_number');
  56 my $patronlist_id = $cgi->param('patronlist_id');
  57
  58 my $items = undef; # items = cards
  59 my $new_page = 0;
  60
  61 my $pdf_file = (@label_ids || @borrower_numbers ? "card_single_" . scalar(@label_ids || @borrower_numbers) : "card_batch_$batch_id");
  62 print $cgi->header( -type       => 'application/pdf',
  63                     -encoding   => 'utf-8',
  64                     -attachment => "$pdf_file.pdf",
  65                   );
  66
  67 my $pdf = C4::Creators::PDF->new(InitVars => 0);
  68 my $batch = C4::Patroncards::Batch->retrieve(batch_id => $batch_id);
  69 my $pc_template = C4::Patroncards::Template->retrieve(template_id => $template_id, profile_id => 1);
  70 my $layout = C4::Patroncards::Layout->retrieve(layout_id => $layout_id);
  71
  72 $| = 1;
  73
  74 # set the paper size
  75 my $lower_left_x  = 0;
  76 my $lower_left_y  = 0;
  77 my $upper_right_x = $pc_template->get_attr('page_width');
  78 my $upper_right_y = $pc_template->get_attr('page_height');
  79
  80 $pdf->Compress(1); # comment this out to debug pdf files, but be sure to uncomment it in production or you may be very sorry...
  81 $pdf->Mbox($lower_left_x, $lower_left_y, $upper_right_x, $upper_right_y);
  82
  83 my ($llx, $lly) = 0,0;
  84 (undef, undef, $llx, $lly) = $pc_template->get_label_position($start_card);
  85
  86 if (@label_ids) {
  87     my $batch_items = $batch->get_attr('items');
  88     grep {
  89         my $label_id = $_;
  90         push(@{$items}, grep{$_->{'label_id'} == $label_id;} @{$batch_items});
  91     } @label_ids;
  92 }
  93 elsif (@borrower_numbers) {
  94     grep {
  95         push(@{$items}, {borrower_number => $_});
  96     } @borrower_numbers;
  97 }
  98 elsif ( $patronlist_id  ) {
  99     my ($list) = GetPatronLists( { patron_list_id => $patronlist_id } );
 100     my @borrowerlist = $list->patron_list_patrons()->search_related('borrowernumber')
 101     ->get_column('borrowernumber')->all();
 102     grep {
 103         push(@{$items}, {borrower_number => $_});
 104     } @borrowerlist;
 105 }
 106 else {
 107     $items = $batch->get_attr('items');
 108 }
 109
 110 my $layout_xml = XMLin($layout->get_attr('layout_xml'), ForceArray => 1);
 111
 112 if ($layout_xml->{'page_side'} eq 'B') { # rearrange items on backside of page to swap columns
 113     my $even = 1;
 114     my $odd = 0;
 115     my @swap_array = ();
 116     while ($even <= (scalar(@{$items})+1)) {
 117         push (@swap_array, @{$items}[$even]);
 118         push (@swap_array, @{$items}[$odd]);
 119         $even += 2;
 120         $odd += 2;
 121     }
 122     @{$items} = @swap_array;
 123 }
 124
 125 CARD_ITEMS:
 126 foreach my $item (@{$items}) {
 127     if ($item) {
 128         my $borrower_number = $item->{'borrower_number'};
 129         my $card_number = GetMember(borrowernumber => $borrower_number)->{'cardnumber'};
 130
 131 #       Set barcode data
 132         $layout_xml->{'barcode'}->[0]->{'data'} = $card_number if $layout_xml->{'barcode'};
 133
 134 #       Create a new patroncard object
 135         my $patron_card = C4::Patroncards::Patroncard->new(
 136                 batch_id                => 1,
 137                 borrower_number         => $borrower_number,
 138                 llx                     => $llx, # lower left corner of the card
 139                 lly                     => $lly,
 140                 height                  => $pc_template->get_attr('label_height'), # of the card
 141                 width                   => $pc_template->get_attr('label_width'),
 142                 layout                  => $layout_xml,
 143                 text_wrap_cols          => 30, #FIXME: hardcoded,
 144         );
 145
 146         $patron_card->draw_guide_box($pdf) if $layout_xml->{'guide_box'};
 147         $patron_card->draw_barcode($pdf) if $layout_xml->{'barcode'};
 148
 149 #       Do image foo and place binary image data into layout hash
 150         my $image_data = {};
 151         my $error = undef;
 152         my $images = $layout_xml->{'images'};
 153         PROCESS_IMAGES:
 154         foreach (keys %{$images}) {
 155             if (grep{m/source/} keys(%{$images->{$_}->{'data_source'}->[0]})) {
 156                 if ($images->{$_}->{'data_source'}->[0]->{'image_source'} eq 'none') {
 157                     next PROCESS_IMAGES;
 158                 }
 159                 elsif ($images->{$_}->{'data_source'}->[0]->{'image_source'} eq 'patronimages') {
 160                     my $patron_image = Koha::Patron::Images->find($borrower_number);
 161                     warn sprintf('No image exists for borrower number %s.', $borrower_number) unless $patron_image;
 162                     next PROCESS_IMAGES unless $patron_image;
 163                 }
 164                 elsif ($images->{$_}->{'data_source'}->[0]->{'image_source'} eq 'creator_images') {
 165                     my $dbh = C4::Context->dbh();
 166                     $dbh->{LongReadLen} = 1000000;      # allows us to read approx 1MB
 167                     $image_data = $dbh->selectrow_hashref("SELECT imagefile FROM creator_images WHERE image_name = \'$images->{$_}->{'data_source'}->[0]->{'image_name'}\'");
 168                     warn sprintf('Database returned the following error: %s.', $error) if $error;
 169                     warn sprintf('Image does not exists in db table %s.', $images->{$_}->{'data_source'}->[0]->{'image_name'}) if !$image_data;
 170                     next PROCESS_IMAGES if !$image_data;
 171                 }
 172                 else {
 173                     warn sprintf('No retrieval method for image source %s.', $images->{$_}->{'data_source'}->[0]->{'image_source'});
 174                     next PROCESS_IMAGES;
 175                 }
 176             }
 177             else {
 178                 warn sprintf("Unrecognized image data source: %s", $images->{$_}->{'data_source'});
 179                 next PROCESS_IMAGES;
 180             }
 181
 182         my $binary_data = $image_data->{'imagefile'};
 183
 184 #       invoke the display image object...
 185         my $image = Graphics::Magick->new;
 186         $image->BlobToImage($binary_data);
 187
 188 #       invoke the alt (aka print) image object...
 189         my $alt_image = Graphics::Magick->new;
 190         $alt_image->BlobToImage($binary_data);
 191         $alt_image->Set(magick => 'jpg', quality => 100);
 192
 193         #To avoid pixelation have the image 5 times bigger and
 194         #scale it down in PDF itself
 195         my $oversize_factor = 8;
 196         my $pdf_scale_factor = 1 / $oversize_factor;
 197
 198         my $alt_width = ceil($image->Get('width')); # the rounding up is important: Adobe reader does not handle long decimal numbers well
 199         my $alt_height = ceil($image->Get('height'));
 200         my $ratio = $alt_width / $alt_height;
 201         my $display_height = ceil($images->{$_}->{'Dx'});
 202         my $display_width = ceil($ratio * $display_height);
 203
 204
 205         $image->Resize(width => $oversize_factor * $display_width, height => $oversize_factor * $display_height);
 206         $image->Set(magick => 'jpg', quality => 100);
 207
 208 #       Write param for downsizing in pdf
 209             $images->{$_}->{'scale'} = $pdf_scale_factor;
 210
 211 #       Write params for alt image...
 212             $images->{$_}->{'alt'}->{'Sx'} = $oversize_factor * $alt_width;
 213             $images->{$_}->{'alt'}->{'Sy'} = $oversize_factor * $alt_height;
 214             $images->{$_}->{'alt'}->{'data'} = $alt_image->ImageToBlob();
 215
 216 #       Write params for display image...
 217             $images->{$_}->{'Sx'} = $oversize_factor * $display_width;
 218             $images->{$_}->{'Sy'} = $oversize_factor * $display_height;
 219             $images->{$_}->{'data'} = $image->ImageToBlob();
 220
 221             my $err = $patron_card->draw_image($pdf);
 222             warn sprintf ("Error encountered while attempting to draw image %s, %s", $_, $err) if $err;
 223         }
 224         $patron_card->draw_text($pdf);
 225     }
 226     ($llx, $lly, $new_page) = $pc_template->get_next_label_pos();
 227     $pdf->Page() if $new_page;
 228 }
 229
 230 $pdf->End();
 231
 232 # FIXME: Possibly do a redirect here if there were error encountered during PDF creation.
 233
 234 1;