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