Koha/Plugins/Handler.pm

   1 package Koha::Plugins::Handler;
   2
   3 # Copyright 2012 Kyle Hall
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it under the
   8 # terms of the GNU General Public License as published by the Free Software
   9 # Foundation; either version 2 of the License, or (at your option) any later
  10 # version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  14 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License along
  17 # with Koha; if not, write to the Free Software Foundation, Inc.,
  18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19
  20 use Modern::Perl;
  21
  22 use File::Path qw(remove_tree);
  23
  24 use Module::Load::Conditional qw(can_load);
  25
  26 use C4::Context;
  27
  28 BEGIN {
  29     push @INC, C4::Context->config("pluginsdir");
  30 }
  31
  32 =head1 NAME
  33
  34 C4::Plugins::Handler - Handler Module for running plugins
  35
  36 =head1 SYNOPSIS
  37
  38   Koha::Plugins::Handler->run({ class => $class, method => $method, cgi => $cgi });
  39   $p->run();
  40
  41 =over 2
  42
  43 =cut
  44
  45 =item run
  46
  47 Runs a plugin
  48
  49 =cut
  50
  51 sub run {
  52     my ( $class, $args ) = @_;
  53
  54     die('Plugins not enabled in config') unless ( C4::Context->config("enable_plugins") || $args->{'enable_plugins'} );
  55
  56     my $plugin_class  = $args->{'class'};
  57     my $plugin_method = $args->{'method'};
  58     my $cgi           = $args->{'cgi'};
  59
  60     if ( can_load( modules => { $plugin_class => undef } ) ) {
  61         my $plugin = $plugin_class->new( { cgi => $cgi } );
  62         if ( $plugin->can($plugin_method) ) {
  63             $plugin->$plugin_method();
  64         } else {
  65             warn "Plugin does not have method $plugin_method";
  66         }
  67     } else {
  68         warn "Plugin $plugin_class cannot be loaded";
  69     }
  70 }
  71
  72 =item delete
  73
  74 Deletes a plugin
  75
  76 =cut
  77
  78 sub delete {
  79     my ( $class, $args ) = @_;
  80     my $plugin_class = $args->{'class'};
  81     my $plugin_dir   = C4::Context->config("pluginsdir");
  82     my $plugin_path  = "$plugin_dir/" . join( '/', split( '::', $args->{'class'} ) );
  83
  84     Koha::Plugins::Handler->run( { class => $plugin_class, method => 'uninstall' } );
  85
  86     C4::Context->dbh->do( "DELETE FROM plugin_data WHERE plugin_class = ?", undef, ($plugin_class) );
  87
  88     unlink("$plugin_path.pm");
  89     remove_tree($plugin_path);
  90 }
  91
  92 1;
  93 __END__
  94
  95 =back
  96
  97 =head1 AUTHOR
  98
  99 Kyle M Hall <kyle.m.hall@gmail.com>
 100
 101 =cut