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 use Clone qw(clone);
  30
  31 use C4::Debug;
  32 use C4::Context;
  33 use autouse 'C4::Members' => qw(GetMember);
  34 use C4::Creators;
  35 use C4::Patroncards;
  36 use Koha::List::Patron;
  37 use Koha::Patron::Images;
  38
  39 my $cgi = new CGI;
  40
  41 my ( $template, $loggedinuser, $cookie ) = get_template_and_user({
  42                                                                      template_name   => "labels/label-home.tt",
  43                                                                      query           => $cgi,
  44                                                                      type            => "intranet",
  45                                                                      authnotrequired => 0,
  46                                                                      flagsrequired   => { tools => 'label_creator' },
  47                                                                      debug           => 1,
  48                                                                      });
  49 my $batch_id    = $cgi->param('batch_id') if $cgi->param('batch_id');
  50 my $template_id = $cgi->param('template_id') || undef;
  51 my $layout_id   = $cgi->param('layout_id') || undef;
  52 my $layout_back_id   = $cgi->param('layout_back_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 # Wrap pdf creation part into an eval, some vars need scope outside eval
  62 my $pdf_ok;
  63 my $pdf;
  64 my $pdf_file;
  65 my $cardscount = 0;
  66
  67 #Note fo bug 14138: Indenting follows in separate patch to ease review
  68 eval {
  69 $pdf_file = (@label_ids || @borrower_numbers ? "card_single_" . scalar(@label_ids || @borrower_numbers) : "card_batch_$batch_id");
  70
  71 $pdf = C4::Creators::PDF->new(InitVars => 0);
  72 my $batch = C4::Patroncards::Batch->retrieve(batch_id => $batch_id);
  73 my $pc_template = C4::Patroncards::Template->retrieve(template_id => $template_id, profile_id => 1);
  74 my $layout = C4::Patroncards::Layout->retrieve(layout_id => $layout_id);
  75 my $layout_back = C4::Patroncards::Layout->retrieve(layout_id => $layout_back_id) if ( $layout_back_id );
  76
  77 $| = 1;
  78
  79 # set the paper size
  80 my $lower_left_x  = 0;
  81 my $lower_left_y  = 0;
  82 my $upper_right_x = $pc_template->get_attr('page_width');
  83 my $upper_right_y = $pc_template->get_attr('page_height');
  84
  85 $pdf->Compress(1); # comment this out to debug pdf files, but be sure to uncomment it in production or you may be very sorry...
  86 $pdf->Mbox($lower_left_x, $lower_left_y, $upper_right_x, $upper_right_y);
  87
  88 my ($llx, $lly) = 0,0;
  89 (undef, undef, $llx, $lly) = $pc_template->get_label_position($start_card);
  90
  91 if (@label_ids) {
  92     my $batch_items = $batch->get_attr('items');
  93     grep {
  94         my $label_id = $_;
  95         push(@{$items}, grep{$_->{'label_id'} == $label_id;} @{$batch_items});
  96     } @label_ids;
  97 }
  98 elsif (@borrower_numbers) {
  99     grep {
 100         push(@{$items}, {borrower_number => $_});
 101     } @borrower_numbers;
 102 }
 103 elsif ( $patronlist_id  ) {
 104     my ($list) = GetPatronLists( { patron_list_id => $patronlist_id } );
 105     my @borrowerlist = $list->patron_list_patrons()->search_related('borrowernumber')
 106     ->get_column('borrowernumber')->all();
 107     grep {
 108         push(@{$items}, {borrower_number => $_});
 109     } @borrowerlist;
 110 }
 111 else {
 112     $items = $batch->get_attr('items');
 113 }
 114
 115 my $layout_xml = XMLin($layout->get_attr('layout_xml'), ForceArray => 1);
 116 my $layout_back_xml = XMLin($layout_back->get_attr('layout_xml'), ForceArray => 1) if ( defined $layout_back );
 117
 118 if ($layout_xml->{'page_side'} eq 'B') { # rearrange items on backside of page to swap columns
 119     my $even = 1;
 120     my $odd = 0;
 121     my @swap_array = ();
 122     while ($even <= (scalar(@{$items})+1)) {
 123         push (@swap_array, @{$items}[$even]);
 124         push (@swap_array, @{$items}[$odd]);
 125         $even += 2;
 126         $odd += 2;
 127     }
 128     @{$items} = @swap_array;
 129 }
 130
 131 CARD_ITEMS:
 132 foreach my $item (@{$items}) {
 133     if ($item) {
 134
 135 #my $print_layout_xml = $layout_back_xml;
 136         my $print_layout_xml = (( ($cardscount % 2  == 1) && ( $layout_back_id ) ) ?
 137             clone($layout_back_xml) : clone($layout_xml) );
 138
 139         $cardscount ++;
 140         my $borrower_number = $item->{'borrower_number'};
 141         my $card_number = GetMember(borrowernumber => $borrower_number)->{'cardnumber'};
 142
 143 #       Set barcode data
 144         $print_layout_xml->{'barcode'}->[0]->{'data'} = $card_number if $print_layout_xml->{'barcode'};
 145
 146 #       Create a new patroncard object
 147         my $patron_card = C4::Patroncards::Patroncard->new(
 148                 batch_id                => 1,
 149                 borrower_number         => $borrower_number,
 150                 llx                     => $llx, # lower left corner of the card
 151                 lly                     => $lly,
 152                 height                  => $pc_template->get_attr('label_height'), # of the card
 153                 width                   => $pc_template->get_attr('label_width'),
 154                 layout                  => $print_layout_xml,
 155                 text_wrap_cols          => 30, #FIXME: hardcoded,
 156         );
 157
 158         $patron_card->draw_guide_box($pdf) if $print_layout_xml->{'guide_box'};
 159         $patron_card->draw_barcode($pdf) if $print_layout_xml->{'barcode'};
 160
 161 #       Do image foo and place binary image data into layout hash
 162         my $image_data = {};
 163         my $error = undef;
 164         my $images = $print_layout_xml->{'images'};
 165         PROCESS_IMAGES:
 166         foreach (keys %{$images}) {
 167             if (grep{m/source/} keys(%{$images->{$_}->{'data_source'}->[0]})) {
 168                 if ($images->{$_}->{'data_source'}->[0]->{'image_source'} eq 'none') {
 169                     next PROCESS_IMAGES;
 170                 }
 171                 elsif ($images->{$_}->{'data_source'}->[0]->{'image_source'} eq 'patronimages') {
 172                     my $patron_image = Koha::Patron::Images->find($borrower_number);
 173                     if ($patron_image) {
 174                         $image_data->{'imagefile'} = $patron_image->imagefile;
 175                     }
 176                     else {
 177                         warn sprintf('No image exists for borrower number %s.', $borrower_number);
 178                     }
 179                     next PROCESS_IMAGES unless $patron_image;
 180                 }
 181                 elsif ($images->{$_}->{'data_source'}->[0]->{'image_source'} eq 'creator_images') {
 182                     my $dbh = C4::Context->dbh();
 183                     $dbh->{LongReadLen} = 1000000;      # allows us to read approx 1MB
 184                     $image_data = $dbh->selectrow_hashref("SELECT imagefile FROM creator_images WHERE image_name = \'$images->{$_}->{'data_source'}->[0]->{'image_name'}\'");
 185                     warn sprintf('Database returned the following error: %s.', $error) if $error;
 186                     warn sprintf('Image does not exists in db table %s.', $images->{$_}->{'data_source'}->[0]->{'image_name'}) if !$image_data;
 187                     next PROCESS_IMAGES if !$image_data;
 188                 }
 189                 else {
 190                     warn sprintf('No retrieval method for image source %s.', $images->{$_}->{'data_source'}->[0]->{'image_source'});
 191                     next PROCESS_IMAGES;
 192                 }
 193             }
 194             else {
 195                 warn sprintf("Unrecognized image data source: %s", $images->{$_}->{'data_source'});
 196                 next PROCESS_IMAGES;
 197             }
 198
 199         my $binary_data = $image_data->{'imagefile'};
 200
 201 #       invoke the display image object...
 202         my $image = Graphics::Magick->new;
 203         $image->BlobToImage($binary_data);
 204
 205 #       invoke the alt (aka print) image object...
 206         my $alt_image = Graphics::Magick->new;
 207         $alt_image->BlobToImage($binary_data);
 208         $alt_image->Set(magick => 'jpg', quality => 100);
 209
 210         #To avoid pixelation have the image 5 times bigger and
 211         #scale it down in PDF itself
 212         my $oversize_factor = 8;
 213         my $pdf_scale_factor = 1 / $oversize_factor;
 214
 215         my $alt_width = ceil($image->Get('width')); # the rounding up is important: Adobe reader does not handle long decimal numbers well
 216         my $alt_height = ceil($image->Get('height'));
 217         my $ratio = $alt_width / $alt_height;
 218         my $display_height = ceil($images->{$_}->{'Dx'});
 219         my $display_width = ceil($ratio * $display_height);
 220
 221
 222         $image->Resize(width => $oversize_factor * $display_width, height => $oversize_factor * $display_height);
 223         $image->Set(magick => 'jpg', quality => 100);
 224
 225 #       Write param for downsizing in pdf
 226             $images->{$_}->{'scale'} = $pdf_scale_factor;
 227
 228 #       Write params for alt image...
 229             $images->{$_}->{'alt'}->{'Sx'} = $oversize_factor * $alt_width;
 230             $images->{$_}->{'alt'}->{'Sy'} = $oversize_factor * $alt_height;
 231             $images->{$_}->{'alt'}->{'data'} = $alt_image->ImageToBlob();
 232
 233 #       Write params for display image...
 234             $images->{$_}->{'Sx'} = $oversize_factor * $display_width;
 235             $images->{$_}->{'Sy'} = $oversize_factor * $display_height;
 236             $images->{$_}->{'data'} = $image->ImageToBlob();
 237
 238             my $err = $patron_card->draw_image($pdf);
 239             warn sprintf ("Error encountered while attempting to draw image %s, %s", $_, $err) if $err;
 240         }
 241         $patron_card->draw_text($pdf);
 242     }
 243     ($llx, $lly, $new_page) = $pc_template->get_next_label_pos();
 244
 245     if ( ($cardscount % 2  == 1) && ( $layout_back_id ) ) {
 246         $pdf->Page();
 247         redo; # Use same patron data again for backside in card printer
 248     }
 249
 250     $pdf->Page() if $new_page;
 251 }
 252 # No errors occurred within eval, we can issue the pdf
 253 $pdf_ok = 1 if ($cardscount > 0);
 254 }; # end of eval block
 255
 256 if ($pdf_ok) {
 257     #issue the pdf
 258     print $cgi->header( -type       => 'application/pdf',
 259                     -encoding   => 'utf-8',
 260                     -attachment => "$pdf_file.pdf",
 261                   );
 262     $pdf->End();
 263 }
 264 else {
 265     # warn user that pdf is not created
 266     my $errparams = '&pdferr=1';
 267     $errparams .= "&errba=$batch_id" if $batch_id;
 268     $errparams .= "&errpl=$patronlist_id" if $patronlist_id;
 269     $errparams =  $errparams.'&errpt='.$cgi->param('borrower_number') if $cgi->param('borrower_number');
 270     $errparams .= "&errlo=$layout_id" if $layout_id;
 271     $errparams .= "&errtpl=$template_id" if $template_id;
 272     $errparams .= "&errnocards=1" if !$cardscount;
 273
 274     print $cgi->redirect("/cgi-bin/koha/patroncards/manage.pl?card_element=batch$errparams");
 275 }
 276
 277 1;