patroncards/image-manage.pl

   1 #!/usr/bin/perl
   2
   3 use warnings;
   4 use strict;
   5
   6 use CGI qw ( -utf8 );
   7 use Graphics::Magick;
   8 use POSIX qw(ceil);
   9 use autouse 'Data::Dumper' => qw(Dumper);
  10
  11 use C4::Context;
  12 use C4::Auth;
  13 use C4::Output;
  14 use C4::Debug;
  15 use C4::Creators;
  16 use C4::Patroncards;
  17
  18 my $cgi = CGI->new;
  19
  20 my ($template, $loggedinuser, $cookie) = get_template_and_user({
  21                     template_name       => "patroncards/image-manage.tt",
  22                     query               => $cgi,
  23                     type                => "intranet",
  24                     authnotrequired     => 0,
  25                     flagsrequired       => {tools => 'batch_upload_patron_images'}, # FIXME: establish flag for patron card creator
  26                     debug               => 0,
  27                     });
  28
  29 my $file_name = $cgi->param('uploadfile') || '';
  30 my $image_name = $cgi->param('image_name') || $file_name;
  31 my $upload_file = $cgi->upload('uploadfile') || '';
  32 my $op = $cgi->param('op') || 'none';
  33 my @image_ids = $cgi->multi_param('image_id') if $cgi->param('image_id');
  34
  35 my $source_file = "$file_name"; # otherwise we end up with what amounts to a pointer to a filehandle rather than a user-friendly filename
  36
  37 my $display_columns = { image =>    [  #{db column      => {label => 'col label', is link?          }},
  38                                         {image_id       => {label => 'ID',      link_field      => 0}},
  39                                         {image_name     => {label => 'Name',    link_field      => 0}},
  40                                         {_delete        => {label => 'Delete', link_field => 0}},
  41                                         {select         => {label => 'Select',  value           => 'image_id'}},
  42                                     ],
  43 };
  44 my $table = html_table($display_columns->{'image'}, get_image(undef, "image_id, image_name"));
  45
  46 my $image_limit = C4::Context->preference('ImageLimit') || '';
  47 my $errstr = '';        # NOTE: For error codes see error-messages.inc
  48
  49 if ($op eq 'upload') {
  50     if (!$upload_file) {
  51         warn sprintf('An error occurred while attempting to upload file %s.', $source_file);
  52         $errstr = 301;
  53         $template->param(
  54             IMPORT_SUCCESSFUL => 0,
  55             SOURCE_FILE => $source_file,
  56             IMAGE_NAME => $image_name,
  57             TABLE => $table,
  58             error => $errstr,
  59         );
  60     }
  61     else {
  62         my $image = Graphics::Magick->new;
  63         eval{$image->Read($cgi->tmpFileName($file_name));};
  64         if ($@) {
  65             warn sprintf('An error occurred while creating the image object: %s',$@);
  66             $errstr = 202;
  67             $template->param(
  68                 IMPORT_SUCCESSFUL => 0,
  69                 SOURCE_FILE => $source_file,
  70                 IMAGE_NAME => $image_name,
  71                 TABLE => $table,
  72                 error => $errstr,
  73             );
  74         }
  75         else {
  76             my $errstr = '';
  77             my $size = $image->Get('filesize');
  78             $errstr =  302 if $size > 500000;
  79             $image->Set(magick => 'png'); # convert all images to png as this is a lossless format which is important for resizing operations later on
  80             my $err = put_image($image_name, $image->ImageToBlob()) || '0';
  81             $errstr = 101 if $err == 1;
  82             $errstr = 303 if $err == 202;
  83             if ($errstr) {
  84                 $template->param(
  85                     IMPORT_SUCCESSFUL => 0,
  86                     SOURCE_FILE => $source_file,
  87                     IMAGE_NAME => $image_name,
  88                     TABLE => $table,
  89                     error => $errstr,
  90                     image_limit => $image_limit,
  91                 );
  92             }
  93             else {
  94                 $table = html_table($display_columns->{'image'}, get_image(undef, "image_id, image_name"));  # refresh table data after successfully performing save operation
  95                 $template->param(
  96                     IMPORT_SUCCESSFUL => 1,
  97                     SOURCE_FILE => $source_file,
  98                     IMAGE_NAME => $image_name,
  99                     TABLE => $table,
 100                 );
 101             }
 102         }
 103     }
 104 }
 105 elsif ($op eq 'delete') {
 106     my $err = '';
 107     my $errstr = '';
 108     if (@image_ids) {
 109         $err = rm_image(\@image_ids);
 110         $errstr = 102 if $err;
 111     }
 112     else {
 113         warn sprintf('No image ids passed in to delete.');
 114         $errstr = 202;
 115     }
 116     if ($errstr) {
 117         $template->param(
 118             DELETE_SUCCESSFULL => 0,
 119             IMAGE_IDS => join(', ', @image_ids),
 120             TABLE => $table,
 121             error => $errstr,
 122             image_ids => join(',',@image_ids),
 123         );
 124     }
 125     else {
 126         $table = html_table($display_columns->{'image'}, get_image(undef, "image_id, image_name"));  # refresh table data after successfully performing delete operation
 127         $template->param(
 128             DELETE_SUCCESSFULL => 1,
 129             TABLE => $table,
 130         );
 131     }
 132 }
 133 elsif ($op eq 'none') {
 134     $template->param(
 135         IMPORT_SUCCESSFUL => 0,
 136         SOURCE_FILE => $source_file,
 137         IMAGE_NAME => $image_name,
 138         TABLE => $table,
 139     );
 140 }
 141 else { # to trap unsupported operations
 142     warn sprintf('Image upload interface called an unsupported operation: %s',$op);
 143     $errstr = 201;
 144     $template->param(
 145         IMPORT_SUCCESSFUL => 0,
 146         SOURCE_FILE => $source_file,
 147         IMAGE_NAME => $image_name,
 148         TABLE => $table,
 149         error => $errstr,
 150     );
 151 }
 152
 153 output_html_with_http_headers $cgi, $cookie, $template->output;
 154
 155 __END__
 156
 157 =head1 NAME
 158
 159 image-upload.pl - Script for handling uploading of single images and importing them into the database.
 160
 161 =head1 SYNOPSIS
 162
 163 image-upload.pl
 164
 165 =head1 DESCRIPTION
 166
 167 This script is called and presents the user with an interface allowing him/her to upload a single image file. Files greater than 500K will be refused.
 168
 169 =head1 AUTHOR
 170
 171 Chris Nighswonger <cnighswonger AT foundations DOT edu>
 172
 173 =head1 COPYRIGHT
 174
 175 Copyright 2009 Foundations Bible College.
 176
 177 =head1 LICENSE
 178
 179 This file is part of Koha.
 180
 181 Koha is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software
 182 Foundation; either version 2 of the License, or (at your option) any later version.
 183
 184 You should have received a copy of the GNU General Public License along with Koha; if not, write to the Free Software Foundation, Inc., 51 Franklin Street,
 185 Fifth Floor, Boston, MA 02110-1301 USA.
 186
 187 =head1 DISCLAIMER OF WARRANTY
 188
 189 Koha is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 190 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 191
 192 =cut