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 Modern::Perl;
  21 use CGI qw ( -utf8 );
  22 use C4::Auth;
  23 use Graphics::Magick;
  24 use XML::Simple;
  25 use POSIX qw(ceil);
  26 use Storable qw(dclone);
  27 use autouse 'Data::Dumper' => qw(Dumper);
  28
  29 use C4::Debug;
  30 use C4::Context;
  31 use C4::Creators;
  32 use C4::Patroncards;
  33 use Koha::List::Patron;
  34 use Koha::Patrons;
  35 use Koha::Patron::Images;
  36
  37 my $cgi = new CGI;
  38
  39 my ( $template, $loggedinuser, $cookie ) = get_template_and_user({
  40                                                                      template_name   => "labels/label-home.tt",
  41                                                                      query           => $cgi,
  42                                                                      type            => "intranet",
  43                                                                      flagsrequired   => { tools => 'label_creator' },
  44                                                                      debug           => 1,
  45                                                                      });
  46 my $batch_id    = $cgi->param('batch_id') if $cgi->param('batch_id');
  47 my $template_id = $cgi->param('template_id') || undef;
  48 my $layout_id   = $cgi->param('layout_id') || undef;
  49 my $layout_back_id   = $cgi->param('layout_back_id') || undef;
  50 my $start_card = $cgi->param('start_card') || 1;
  51 my @label_ids   = $cgi->multi_param('label_id') if $cgi->param('label_id');
  52 my @borrower_numbers  = $cgi->multi_param('borrower_number') if $cgi->param('borrower_number');
  53 my $patronlist_id = $cgi->param('patronlist_id');
  54
  55 my $items = undef; # items = cards
  56 my $new_page = 0;
  57
  58 # Wrap pdf creation part into an eval, some vars need scope outside eval
  59 my $pdf_ok;
  60 my $pdf;
  61 my $pdf_file;
  62 my $cardscount = 0;
  63
  64 #Note fo bug 14138: Indenting follows in separate patch to ease review
  65 eval {
  66 $pdf_file = (@label_ids || @borrower_numbers ? "card_single_" . scalar(@label_ids || @borrower_numbers) : "card_batch_$batch_id");
  67
  68 $pdf = C4::Creators::PDF->new(InitVars => 0);
  69 my $batch = C4::Patroncards::Batch->retrieve(batch_id => $batch_id);
  70 my $pc_template = C4::Patroncards::Template->retrieve(template_id => $template_id, profile_id => 1);
  71 my $layout = C4::Patroncards::Layout->retrieve(layout_id => $layout_id);
  72 my $layout_back = C4::Patroncards::Layout->retrieve(layout_id => $layout_back_id) if ( $layout_back_id );
  73
  74 $| = 1;
  75
  76 # set the paper size
  77 my $lower_left_x  = 0;
  78 my $lower_left_y  = 0;
  79 my $upper_right_x = $pc_template->get_attr('page_width');
  80 my $upper_right_y = $pc_template->get_attr('page_height');
  81
  82 $pdf->Compress(1); # comment this out to debug pdf files, but be sure to uncomment it in production or you may be very sorry...
  83 $pdf->Mbox($lower_left_x, $lower_left_y, $upper_right_x, $upper_right_y);
  84
  85 my ($llx, $lly) = 0,0;
  86 (undef, undef, $llx, $lly) = $pc_template->get_label_position($start_card);
  87
  88 if (@label_ids) {
  89     my $batch_items = $batch->get_attr('items');
  90     grep {
  91         my $label_id = $_;
  92         push(@{$items}, grep{$_->{'label_id'} == $label_id;} @{$batch_items});
  93     } @label_ids;
  94 }
  95 elsif (@borrower_numbers) {
  96     grep {
  97         push(@{$items}, {borrower_number => $_});
  98     } @borrower_numbers;
  99 }
 100 elsif ( $patronlist_id  ) {
 101     my ($list) = GetPatronLists( { patron_list_id => $patronlist_id } );
 102     my @borrowerlist = $list->patron_list_patrons()->search_related('borrowernumber')
 103     ->get_column('borrowernumber')->all();
 104     grep {
 105         push(@{$items}, {borrower_number => $_});
 106     } @borrowerlist;
 107 }
 108 else {
 109     $items = $batch->get_attr('items');
 110 }
 111
 112 my $layout_xml = XMLin($layout->get_attr('layout_xml'), ForceArray => 1);
 113 my $layout_back_xml = XMLin($layout_back->get_attr('layout_xml'), ForceArray => 1) if ( defined $layout_back );
 114
 115 if ($layout_xml->{'page_side'} eq 'B') { # rearrange items on backside of page to swap columns
 116     my $even = 1;
 117     my $odd = 0;
 118     my @swap_array = ();
 119     while ($even <= (scalar(@{$items})+1)) {
 120         push (@swap_array, @{$items}[$even]);
 121         push (@swap_array, @{$items}[$odd]);
 122         $even += 2;
 123         $odd += 2;
 124     }
 125     @{$items} = @swap_array;
 126 }
 127
 128 # WARNING: Referential nightmare ahead...
 129
 130 CARD_ITEMS:
 131 foreach my $item (@{$items}) {
 132     if ($item) {
 133         my $print_layout_xml = (( ($cardscount % 2  == 1) && ( $layout_back_id ) ) ?
 134             dclone($layout_back_xml) : dclone($layout_xml) );   # We must have a true copy of the layout xml hash, otherwise
 135                                                                 # we modify the original template and very bad things happen.
 136
 137         $cardscount ++;
 138         my $borrower_number = $item->{'borrower_number'};
 139         my $card_number = Koha::Patrons->find( $borrower_number)->cardnumber;
 140
 141 #       Set barcode data
 142         $print_layout_xml->{'barcode'}->[0]->{'data'} = $card_number if $print_layout_xml->{'barcode'};
 143
 144 #       Create a new patroncard object
 145         my $patron_card = C4::Patroncards::Patroncard->new(
 146                 batch_id                => 1,
 147                 borrower_number         => $borrower_number,
 148                 llx                     => $llx, # lower left corner of the card
 149                 lly                     => $lly,
 150                 height                  => $pc_template->get_attr('label_height'), # of the card
 151                 width                   => $pc_template->get_attr('label_width'),
 152                 layout                  => $print_layout_xml,
 153                 text_wrap_cols          => 30, #FIXME: hardcoded,
 154         );
 155
 156         $patron_card->draw_guide_box($pdf) if $print_layout_xml->{'guide_box'};
 157         $patron_card->draw_guide_grid($pdf) if $print_layout_xml->{'guide_grid'};
 158         $patron_card->draw_barcode($pdf) if $print_layout_xml->{'barcode'};
 159
 160 #       Do image foo and place binary image data into layout hash
 161         my $image_data = {};
 162         my $error = undef;
 163         my $images = $print_layout_xml->{'images'};
 164         PROCESS_IMAGES:
 165         foreach my $card_image (sort(keys %{$images})) {
 166             if (grep{m/(source)/} keys(%{$images->{$card_image}->{'data_source'}->[0]})) {
 167                 if ($images->{$card_image}->{'data_source'}->[0]->{'image_source'} eq 'none') {
 168                 }
 169                 elsif ($images->{$card_image}->{'data_source'}->[0]->{'image_source'} eq 'patronimages') {
 170                     my $patron_image = Koha::Patron::Images->find($borrower_number);
 171                     if ($patron_image) {
 172                         $image_data->{'imagefile'} = $patron_image->imagefile;
 173                     }
 174                     else {
 175                         warn sprintf('No image exists for borrower number %s.', $borrower_number);
 176                     }
 177                 }
 178                 elsif ($images->{$card_image}->{'data_source'}->[0]->{'image_source'} eq 'creator_images') {
 179                     ## FIXME: The DB stuff here needs to be religated to a Koha::Creator::Images object -chris_n
 180                     my $dbh = C4::Context->dbh();
 181                     $dbh->{LongReadLen} = 1000000;      # allows us to read approx 1MB
 182                     $image_data = $dbh->selectrow_hashref("SELECT imagefile FROM creator_images WHERE image_name = \'$images->{$card_image}->{'data_source'}->[0]->{'image_name'}\'");
 183                     warn sprintf('Database returned the following error: %s.', $error) if $error;
 184                     unless($image_data){
 185                         warn sprintf('Image does not exists in db table %s.', $images->{$card_image}->{'data_source'}->[0]->{'image_name'});
 186                     }
 187                 }
 188                 else {
 189                     warn sprintf('No retrieval method for image source %s.', $images->{$card_image}->{'data_source'}->[0]->{'image_source'});
 190                 }
 191             }
 192             else {
 193                 warn sprintf("Unrecognized image data source: %s", $images->{$card_image}->{'data_source'});
 194             }
 195
 196         my $binary_data = $image_data->{'imagefile'} || next PROCESS_IMAGES;
 197
 198 #       invoke the display image object...
 199         my $image = Graphics::Magick->new;
 200         $image->BlobToImage($binary_data);
 201
 202 #       invoke the alt (aka print) image object...
 203         my $alt_image = Graphics::Magick->new;
 204         $alt_image->BlobToImage($binary_data);
 205         $alt_image->Set(magick => 'jpg', quality => 100);
 206
 207         #To avoid pixelation have the image 5 times bigger and
 208         #scale it down in PDF itself
 209         my $oversize_factor = 8;
 210         my $pdf_scale_factor = 1 / $oversize_factor;
 211
 212         my $alt_width = ceil($image->Get('width')); # the rounding up is important: Adobe reader does not handle long decimal numbers well
 213         my $alt_height = ceil($image->Get('height'));
 214         my $ratio = $alt_width / $alt_height;
 215         my $display_height = ceil($images->{$card_image}->{'Dx'});
 216         my $display_width = ceil($ratio * $display_height);
 217
 218
 219         $image->Resize(width => $oversize_factor * $display_width, height => $oversize_factor * $display_height);
 220         $image->Set(magick => 'jpg', quality => 100);
 221
 222 #       Write param for downsizing in pdf
 223             $images->{$card_image}->{'scale'} = $pdf_scale_factor;
 224
 225 #       Write params for alt image...
 226             $images->{$card_image}->{'alt'}->{'Sx'} = $oversize_factor * $alt_width;
 227             $images->{$card_image}->{'alt'}->{'Sy'} = $oversize_factor * $alt_height;
 228             $images->{$card_image}->{'alt'}->{'data'} = $alt_image->ImageToBlob();
 229
 230 #       Write params for display image...
 231             $images->{$card_image}->{'Sx'} = $oversize_factor * $display_width;
 232             $images->{$card_image}->{'Sy'} = $oversize_factor * $display_height;
 233             $images->{$card_image}->{'data'} = $image->ImageToBlob();
 234
 235             my $err = $patron_card->draw_image($pdf);
 236             warn sprintf ("Error encountered while attempting to draw image %s, %s", $card_image, $err) if $err;
 237             # Destroy all Graphics::Magick objects and related references
 238             # or bad things will happen.
 239             undef $image;
 240             undef $alt_image;
 241             undef $binary_data;
 242         }
 243         $patron_card->draw_text($pdf);
 244     }
 245     ($llx, $lly, $new_page) = $pc_template->get_next_label_pos();
 246
 247     if ( ($cardscount % 2  == 1) && ( $layout_back_id ) ) {
 248         $pdf->Page();
 249         redo; # Use same patron data again for backside in card printer
 250     }
 251
 252     $pdf->Page() if $new_page;
 253 }
 254 # No errors occurred within eval, we can issue the pdf
 255 $pdf_ok = 1 if ($cardscount > 0);
 256 }; # end of eval block
 257
 258 if ($pdf_ok) {
 259     #issue the pdf
 260     print $cgi->header( -type       => 'application/pdf',
 261                     -encoding   => 'utf-8',
 262                     -attachment => "$pdf_file.pdf",
 263                   );
 264     $pdf->End();
 265 }
 266 else {
 267     # warn user that pdf is not created
 268     my $errparams = '&pdferr=1';
 269     $errparams .= "&errba=$batch_id" if $batch_id;
 270     $errparams .= "&errpl=$patronlist_id" if $patronlist_id;
 271     $errparams =  $errparams.'&errpt='.$cgi->param('borrower_number') if $cgi->param('borrower_number');
 272     $errparams .= "&errlo=$layout_id" if $layout_id;
 273     $errparams .= "&errtpl=$template_id" if $template_id;
 274     $errparams .= "&errnocards=1" if !$cardscount;
 275
 276     print $cgi->redirect("/cgi-bin/koha/patroncards/manage.pl?card_element=batch$errparams");
 277 }
 278
 279 1;