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                     flagsrequired       => {tools => 'batch_upload_patron_images'}, # FIXME: establish flag for patron card creator
  23                     debug               => 0,
  24                     });
  25
  26 my $file_name = $cgi->param('uploadfile') || '';
  27 my $image_name = $cgi->param('image_name') || $file_name;
  28 my $upload_file = $cgi->upload('uploadfile') || '';
  29 my $op = $cgi->param('op') || 'none';
  30 my @image_ids = $cgi->multi_param('image_id');
  31
  32 my $source_file = "$file_name"; # otherwise we end up with what amounts to a pointer to a filehandle rather than a user-friendly filename
  33
  34 my $display_columns = { image =>    [  #{db column      => {label => 'col label', is link?          }},
  35                                         {image_id       => {label => 'ID',      link_field      => 0}},
  36                                         {image_name     => {label => 'Name',    link_field      => 0}},
  37                                         {_delete        => {label => 'Delete', link_field => 0}},
  38                                         {select         => {label => 'Select',  value           => 'image_id'}},
  39                                     ],
  40 };
  41 my $table = html_table($display_columns->{'image'}, get_image(undef, "image_id, image_name"));
  42
  43 my $image_limit = C4::Context->preference('ImageLimit') || '';
  44 my $errstr = '';        # NOTE: For error codes see error-messages.inc
  45
  46 if ($op eq 'upload') {
  47     # Checking for duplicate image name
  48     my $dbh = C4::Context->dbh;
  49     my $query = "SELECT COUNT(*) FROM creator_images WHERE image_name=?";
  50     my ( $exists ) = $dbh->selectrow_array( $query, undef, $image_name );
  51     if ( $exists ) {
  52         $errstr = 304;
  53         $template->param(
  54             IMPORT_SUCCESSFUL => 0,
  55             SOURCE_FILE => $source_file,
  56             IMAGE_NAME => $image_name,
  57             TABLE => $table,
  58             error => $errstr,
  59         );
  60     } else {
  61         if (!$upload_file) {
  62             warn sprintf('An error occurred while attempting to upload file %s.', $source_file);
  63             $errstr = 301;
  64             $template->param(
  65                 IMPORT_SUCCESSFUL => 0,
  66                 SOURCE_FILE => $source_file,
  67                 IMAGE_NAME => $image_name,
  68                 TABLE => $table,
  69                 error => $errstr,
  70             );
  71         }
  72         else {
  73             my $image = Graphics::Magick->new;
  74             eval{$image->Read($cgi->tmpFileName($file_name));};
  75             if ($@) {
  76                 warn sprintf('An error occurred while creating the image object: %s',$@);
  77                 $errstr = 202;
  78                 $template->param(
  79                     IMPORT_SUCCESSFUL => 0,
  80                     SOURCE_FILE => $source_file,
  81                     IMAGE_NAME => $image_name,
  82                     TABLE => $table,
  83                     error => $errstr,
  84                 );
  85             }
  86             else {
  87                 my $errstr = '';
  88                 my $size = $image->Get('filesize');
  89                 $errstr =  302 if $size > 500000;
  90                 $image->Set(magick => 'png'); # convert all images to png as this is a lossless format which is important for resizing operations later on
  91                 my $err = put_image($image_name, $image->ImageToBlob()) || '0';
  92                 $errstr = 101 if $err == 1;
  93                 $errstr = 303 if $err == 202;
  94                 if ($errstr) {
  95                     $template->param(
  96                         IMPORT_SUCCESSFUL => 0,
  97                         SOURCE_FILE => $source_file,
  98                         IMAGE_NAME => $image_name,
  99                         TABLE => $table,
 100                         error => $errstr,
 101                         image_limit => $image_limit,
 102                     );
 103                 }
 104                 else {
 105                     $table = html_table($display_columns->{'image'}, get_image(undef, "image_id, image_name"));  # refresh table data after successfully performing save operation
 106                     $template->param(
 107                         IMPORT_SUCCESSFUL => 1,
 108                         SOURCE_FILE => $source_file,
 109                         IMAGE_NAME => $image_name,
 110                         TABLE => $table,
 111                     );
 112                 }
 113             }
 114         }
 115     }
 116 }
 117 elsif ($op eq 'delete') {
 118     my $err = '';
 119     my $errstr = '';
 120     if (@image_ids) {
 121         $err = rm_image(\@image_ids);
 122         $errstr = 102 if $err;
 123     }
 124     else {
 125         warn sprintf('No image ids passed in to delete.');
 126         $errstr = 202;
 127     }
 128     if ($errstr) {
 129         $template->param(
 130             DELETE_SUCCESSFULL => 0,
 131             IMAGE_IDS => join(', ', @image_ids),
 132             TABLE => $table,
 133             error => $errstr,
 134             image_ids => join(',',@image_ids),
 135         );
 136     }
 137     else {
 138         $table = html_table($display_columns->{'image'}, get_image(undef, "image_id, image_name"));  # refresh table data after successfully performing delete operation
 139         $template->param(
 140             DELETE_SUCCESSFULL => 1,
 141             TABLE => $table,
 142         );
 143     }
 144 }
 145 elsif ($op eq 'none') {
 146     $template->param(
 147         IMPORT_SUCCESSFUL => 0,
 148         SOURCE_FILE => $source_file,
 149         IMAGE_NAME => $image_name,
 150         TABLE => $table,
 151     );
 152 }
 153 else { # to trap unsupported operations
 154     warn sprintf('Image upload interface called an unsupported operation: %s',$op);
 155     $errstr = 201;
 156     $template->param(
 157         IMPORT_SUCCESSFUL => 0,
 158         SOURCE_FILE => $source_file,
 159         IMAGE_NAME => $image_name,
 160         TABLE => $table,
 161         error => $errstr,
 162     );
 163 }
 164
 165 output_html_with_http_headers $cgi, $cookie, $template->output;
 166
 167 __END__
 168
 169 =head1 NAME
 170
 171 image-upload.pl - Script for handling uploading of single images and importing them into the database.
 172
 173 =head1 SYNOPSIS
 174
 175 image-upload.pl
 176
 177 =head1 DESCRIPTION
 178
 179 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.
 180
 181 =head1 AUTHOR
 182
 183 Chris Nighswonger <cnighswonger AT foundations DOT edu>
 184
 185 =head1 COPYRIGHT
 186
 187 Copyright 2009 Foundations Bible College.
 188
 189 =head1 LICENSE
 190
 191 This file is part of Koha.
 192
 193 Koha is free software; you can redistribute it and/or modify it
 194 under the terms of the GNU General Public License as published by
 195 the Free Software Foundation; either version 3 of the License, or
 196 (at your option) any later version.
 197
 198 Koha is distributed in the hope that it will be useful, but
 199 WITHOUT ANY WARRANTY; without even the implied warranty of
 200 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 201 GNU General Public License for more details.
 202
 203 You should have received a copy of the GNU General Public License
 204 along with Koha; if not, see <http://www.gnu.org/licenses>.
 205
 206 =head1 DISCLAIMER OF WARRANTY
 207
 208 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
 209 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 210
 211 =cut