patroncards/image-manage.pl

   1 #!/usr/bin/perl
   2
   3 use Modern::Perl;
   4
   5 use CGI qw ( -utf8 );
   6 use Graphics::Magick;
   7
   8 use C4::Context;
   9 use C4::Auth qw( get_template_and_user );
  10 use C4::Output qw( output_html_with_http_headers );
  11 use C4::Creators qw( html_table );
  12 use C4::Patroncards qw( get_image put_image rm_image );
  13
  14 my $cgi = CGI->new;
  15
  16 my ($template, $loggedinuser, $cookie) = get_template_and_user({
  17                     template_name       => "patroncards/image-manage.tt",
  18                     query               => $cgi,
  19                     type                => "intranet",
  20                     flagsrequired       => {tools => 'label_creator'},
  21                     });
  22
  23 my $file_name = $cgi->param('uploadfile') || '';
  24 my $image_name = $cgi->param('image_name') || $file_name;
  25 my $upload_file = $cgi->upload('uploadfile') || '';
  26 my $op = $cgi->param('op') || 'none';
  27 my @image_ids = $cgi->multi_param('image_id');
  28
  29 my $source_file = "$file_name"; # otherwise we end up with what amounts to a pointer to a filehandle rather than a user-friendly filename
  30
  31 my $display_columns = { image =>    [  #{db column      => {label => 'col label', is link?          }},
  32                                         {image_id       => {label => 'ID',      link_field      => 0}},
  33                                         {image_name     => {label => 'Name',    link_field      => 0}},
  34                                         {_delete        => {label => 'Delete', link_field => 0}},
  35                                         {select         => {label => 'Select',  value           => 'image_id'}},
  36                                     ],
  37 };
  38 my $table = html_table($display_columns->{'image'}, get_image(undef, "image_id, image_name"));
  39
  40 my $image_limit = C4::Context->preference('ImageLimit') || '';
  41 my $errstr = '';        # NOTE: For error codes see error-messages.inc
  42
  43 if ($op eq 'upload') {
  44     # Checking for duplicate image name
  45     my $dbh = C4::Context->dbh;
  46     my $query = "SELECT COUNT(*) FROM creator_images WHERE image_name=?";
  47     my ( $exists ) = $dbh->selectrow_array( $query, undef, $image_name );
  48     if ( $exists ) {
  49         $errstr = 304;
  50         $template->param(
  51             IMPORT_SUCCESSFUL => 0,
  52             SOURCE_FILE => $source_file,
  53             IMAGE_NAME => $image_name,
  54             TABLE => $table,
  55             error => $errstr,
  56         );
  57     } else {
  58         if (!$upload_file) {
  59             warn sprintf('An error occurred while attempting to upload file %s.', $source_file);
  60             $errstr = 301;
  61             $template->param(
  62                 IMPORT_SUCCESSFUL => 0,
  63                 SOURCE_FILE => $source_file,
  64                 IMAGE_NAME => $image_name,
  65                 TABLE => $table,
  66                 error => $errstr,
  67             );
  68         }
  69         else {
  70             my $image = Graphics::Magick->new;
  71             eval{$image->Read($cgi->tmpFileName($file_name));};
  72             if ($@) {
  73                 warn sprintf('An error occurred while creating the image object: %s',$@);
  74                 $errstr = 202;
  75                 $template->param(
  76                     IMPORT_SUCCESSFUL => 0,
  77                     SOURCE_FILE => $source_file,
  78                     IMAGE_NAME => $image_name,
  79                     TABLE => $table,
  80                     error => $errstr,
  81                 );
  82             }
  83             else {
  84                 my $errstr = '';
  85                 my $size = $image->Get('filesize');
  86                 $errstr =  302 if $size > 500000;
  87                 $image->Set(magick => 'png'); # convert all images to png as this is a lossless format which is important for resizing operations later on
  88                 my $err = put_image($image_name, $image->ImageToBlob()) || '0';
  89                 $errstr = 101 if $err == 1;
  90                 $errstr = 303 if $err == 202;
  91                 if ($errstr) {
  92                     $template->param(
  93                         IMPORT_SUCCESSFUL => 0,
  94                         SOURCE_FILE => $source_file,
  95                         IMAGE_NAME => $image_name,
  96                         TABLE => $table,
  97                         error => $errstr,
  98                         image_limit => $image_limit,
  99                     );
 100                 }
 101                 else {
 102                     $table = html_table($display_columns->{'image'}, get_image(undef, "image_id, image_name"));  # refresh table data after successfully performing save operation
 103                     $template->param(
 104                         IMPORT_SUCCESSFUL => 1,
 105                         SOURCE_FILE => $source_file,
 106                         IMAGE_NAME => $image_name,
 107                         TABLE => $table,
 108                     );
 109                 }
 110             }
 111         }
 112     }
 113 }
 114 elsif ($op eq 'delete') {
 115     my $err = '';
 116     my $errstr = '';
 117     if (@image_ids) {
 118         $err = rm_image(\@image_ids);
 119         $errstr = 102 if $err;
 120     }
 121     else {
 122         warn sprintf('No image ids passed in to delete.');
 123         $errstr = 202;
 124     }
 125     if ($errstr) {
 126         $template->param(
 127             DELETE_SUCCESSFULL => 0,
 128             IMAGE_IDS => join(', ', @image_ids),
 129             TABLE => $table,
 130             error => $errstr,
 131             image_ids => join(',',@image_ids),
 132         );
 133     }
 134     else {
 135         $table = html_table($display_columns->{'image'}, get_image(undef, "image_id, image_name"));  # refresh table data after successfully performing delete operation
 136         $template->param(
 137             DELETE_SUCCESSFULL => 1,
 138             TABLE => $table,
 139         );
 140     }
 141 }
 142 elsif ($op eq 'none') {
 143     $template->param(
 144         IMPORT_SUCCESSFUL => 0,
 145         SOURCE_FILE => $source_file,
 146         IMAGE_NAME => $image_name,
 147         TABLE => $table,
 148     );
 149 }
 150 else { # to trap unsupported operations
 151     warn sprintf('Image upload interface called an unsupported operation: %s',$op);
 152     $errstr = 201;
 153     $template->param(
 154         IMPORT_SUCCESSFUL => 0,
 155         SOURCE_FILE => $source_file,
 156         IMAGE_NAME => $image_name,
 157         TABLE => $table,
 158         error => $errstr,
 159     );
 160 }
 161
 162 output_html_with_http_headers $cgi, $cookie, $template->output;
 163
 164 __END__
 165
 166 =head1 NAME
 167
 168 image-upload.pl - Script for handling uploading of single images and importing them into the database.
 169
 170 =head1 SYNOPSIS
 171
 172 image-upload.pl
 173
 174 =head1 DESCRIPTION
 175
 176 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.
 177
 178 =head1 AUTHOR
 179
 180 Chris Nighswonger <cnighswonger AT foundations DOT edu>
 181
 182 =head1 COPYRIGHT
 183
 184 Copyright 2009 Foundations Bible College.
 185
 186 =head1 LICENSE
 187
 188 This file is part of Koha.
 189
 190 Koha is free software; you can redistribute it and/or modify it
 191 under the terms of the GNU General Public License as published by
 192 the Free Software Foundation; either version 3 of the License, or
 193 (at your option) any later version.
 194
 195 Koha is distributed in the hope that it will be useful, but
 196 WITHOUT ANY WARRANTY; without even the implied warranty of
 197 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 198 GNU General Public License for more details.
 199
 200 You should have received a copy of the GNU General Public License
 201 along with Koha; if not, see <http://www.gnu.org/licenses>.
 202
 203 =head1 DISCLAIMER OF WARRANTY
 204
 205 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
 206 A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 207
 208 =cut