patroncards/image-manage.pl

   1 #!/usr/bin/perl
   2
   3 use Modern::Perl;
   4
   5 use CGI qw ( -utf8 );
   6 use Graphics::Magick;
   7 use POSIX qw(ceil);
   8
   9 use C4::Context;
  10 use C4::Auth;
  11 use C4::Output;
  12 use C4::Debug;
  13 use C4::Creators;
  14 use C4::Patroncards;
  15
  16 my $cgi = CGI->new;
  17
  18 my ($template, $loggedinuser, $cookie) = get_template_and_user({
  19                     template_name       => "patroncards/image-manage.tt",
  20                     query               => $cgi,
  21                     type                => "intranet",
  22                     authnotrequired     => 0,
  23                     flagsrequired       => {tools => 'batch_upload_patron_images'}, # FIXME: establish flag for patron card creator
  24                     debug               => 0,
  25                     });
  26
  27 my $file_name = $cgi->param('uploadfile') || '';
  28 my $image_name = $cgi->param('image_name') || $file_name;
  29 my $upload_file = $cgi->upload('uploadfile') || '';
  30 my $op = $cgi->param('op') || 'none';
  31 my @image_ids = $cgi->multi_param('image_id') if $cgi->param('image_id');
  32
  33 my $source_file = "$file_name"; # otherwise we end up with what amounts to a pointer to a filehandle rather than a user-friendly filename
  34
  35 my $display_columns = { image =>    [  #{db column      => {label => 'col label', is link?          }},
  36                                         {image_id       => {label => 'ID',      link_field      => 0}},
  37                                         {image_name     => {label => 'Name',    link_field      => 0}},
  38                                         {_delete        => {label => 'Delete', link_field => 0}},
  39                                         {select         => {label => 'Select',  value           => 'image_id'}},
  40                                     ],
  41 };
  42 my $table = html_table($display_columns->{'image'}, get_image(undef, "image_id, image_name"));
  43
  44 my $image_limit = C4::Context->preference('ImageLimit') || '';
  45 my $errstr = '';        # NOTE: For error codes see error-messages.inc
  46
  47 if ($op eq 'upload') {
  48     # Checking for duplicate image name
  49     my $dbh = C4::Context->dbh;
  50     my $query = "SELECT COUNT(*) FROM creator_images WHERE image_name=?";
  51     my ( $exists ) = $dbh->selectrow_array( $query, undef, $image_name );
  52     if ( $exists ) {
  53         $errstr = 304;
  54         $template->param(
  55             IMPORT_SUCCESSFUL => 0,
  56             SOURCE_FILE => $source_file,
  57             IMAGE_NAME => $image_name,
  58             TABLE => $table,
  59             error => $errstr,
  60         );
  61     } else {
  62         if (!$upload_file) {
  63             warn sprintf('An error occurred while attempting to upload file %s.', $source_file);
  64             $errstr = 301;
  65             $template->param(
  66                 IMPORT_SUCCESSFUL => 0,
  67                 SOURCE_FILE => $source_file,
  68                 IMAGE_NAME => $image_name,
  69                 TABLE => $table,
  70                 error => $errstr,
  71             );
  72         }
  73         else {
  74             my $image = Graphics::Magick->new;
  75             eval{$image->Read($cgi->tmpFileName($file_name));};
  76             if ($@) {
  77                 warn sprintf('An error occurred while creating the image object: %s',$@);
  78                 $errstr = 202;
  79                 $template->param(
  80                     IMPORT_SUCCESSFUL => 0,
  81                     SOURCE_FILE => $source_file,
  82                     IMAGE_NAME => $image_name,
  83                     TABLE => $table,
  84                     error => $errstr,
  85                 );
  86             }
  87             else {
  88                 my $errstr = '';
  89                 my $size = $image->Get('filesize');
  90                 $errstr =  302 if $size > 500000;
  91                 $image->Set(magick => 'png'); # convert all images to png as this is a lossless format which is important for resizing operations later on
  92                 my $err = put_image($image_name, $image->ImageToBlob()) || '0';
  93                 $errstr = 101 if $err == 1;
  94                 $errstr = 303 if $err == 202;
  95                 if ($errstr) {
  96                     $template->param(
  97                         IMPORT_SUCCESSFUL => 0,
  98                         SOURCE_FILE => $source_file,
  99                         IMAGE_NAME => $image_name,
 100                         TABLE => $table,
 101                         error => $errstr,
 102                         image_limit => $image_limit,
 103                     );
 104                 }
 105                 else {
 106                     $table = html_table($display_columns->{'image'}, get_image(undef, "image_id, image_name"));  # refresh table data after successfully performing save operation
 107                     $template->param(
 108                         IMPORT_SUCCESSFUL => 1,
 109                         SOURCE_FILE => $source_file,
 110                         IMAGE_NAME => $image_name,
 111                         TABLE => $table,
 112                     );
 113                 }
 114             }
 115         }
 116     }
 117 }
 118 elsif ($op eq 'delete') {
 119     my $err = '';
 120     my $errstr = '';
 121     if (@image_ids) {
 122         $err = rm_image(\@image_ids);
 123         $errstr = 102 if $err;
 124     }
 125     else {
 126         warn sprintf('No image ids passed in to delete.');
 127         $errstr = 202;
 128     }
 129     if ($errstr) {
 130         $template->param(
 131             DELETE_SUCCESSFULL => 0,
 132             IMAGE_IDS => join(', ', @image_ids),
 133             TABLE => $table,
 134             error => $errstr,
 135             image_ids => join(',',@image_ids),
 136         );
 137     }
 138     else {
 139         $table = html_table($display_columns->{'image'}, get_image(undef, "image_id, image_name"));  # refresh table data after successfully performing delete operation
 140         $template->param(
 141             DELETE_SUCCESSFULL => 1,
 142             TABLE => $table,
 143         );
 144     }
 145 }
 146 elsif ($op eq 'none') {
 147     $template->param(
 148         IMPORT_SUCCESSFUL => 0,
 149         SOURCE_FILE => $source_file,
 150         IMAGE_NAME => $image_name,
 151         TABLE => $table,
 152     );
 153 }
 154 else { # to trap unsupported operations
 155     warn sprintf('Image upload interface called an unsupported operation: %s',$op);
 156     $errstr = 201;
 157     $template->param(
 158         IMPORT_SUCCESSFUL => 0,
 159         SOURCE_FILE => $source_file,
 160         IMAGE_NAME => $image_name,
 161         TABLE => $table,
 162         error => $errstr,
 163     );
 164 }
 165
 166 output_html_with_http_headers $cgi, $cookie, $template->output;
 167
 168 __END__
 169
 170 =head1 NAME
 171
 172 image-upload.pl - Script for handling uploading of single images and importing them into the database.
 173
 174 =head1 SYNOPSIS
 175
 176 image-upload.pl
 177
 178 =head1 DESCRIPTION
 179
 180 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.
 181
 182 =head1 AUTHOR
 183
 184 Chris Nighswonger <cnighswonger AT foundations DOT edu>
 185
 186 =head1 COPYRIGHT
 187
 188 Copyright 2009 Foundations Bible College.
 189
 190 =head1 LICENSE
 191
 192 This file is part of Koha.
 193
 194 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
 195 Foundation; either version 2 of the License, or (at your option) any later version.
 196
 197 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,
 198 Fifth Floor, Boston, MA 02110-1301 USA.
 199
 200 =head1 DISCLAIMER OF WARRANTY
 201
 202 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
 203 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 204
 205 =cut