+=head2 call
+
+Calls a plugin method for all enabled plugins
+
+ @responses = Koha::Plugins->call($method, @args)
+
+Note: Pass your arguments as refs, when you want subsequent plugins to use the value
+updated by preceding plugins, provided that these plugins support that.
+
+=cut
+
+sub call {
+ my ($class, $method, @args) = @_;
+
+ return unless C4::Context->config('enable_plugins');
+
+ my @responses;
+ my @plugins = $class->get_enabled_plugins();
+ @plugins = grep { $_->can($method) } @plugins;
+
+ # TODO: Remove warn when after_hold_create is removed from the codebase
+ warn "after_hold_create is deprecated and will be removed soon. Contact the following plugin's authors: " . join( ', ', map {$_->{metadata}->{name}} @plugins)
+ if $method eq 'after_hold_create' and @plugins;
+
+ foreach my $plugin (@plugins) {
+ my $response = eval { $plugin->$method(@args) };
+ if ($@) {
+ warn sprintf("Plugin error (%s): %s", $plugin->get_metadata->{name}, $@);
+ next;
+ }
+
+ push @responses, $response;
+ }
+
+ return @responses;
+}
+
+=head2 get_enabled_plugins
+
+Returns a list of enabled plugins.
+
+ @plugins = Koha::Plugins->get_enabled_plugins();
+
+=cut
+
+sub get_enabled_plugins {
+ my ($class) = @_;
+
+ return unless C4::Context->config('enable_plugins');
+
+ my $enabled_plugins = Koha::Cache::Memory::Lite->get_from_cache(ENABLED_PLUGINS_CACHE_KEY);
+ unless ($enabled_plugins) {
+ $enabled_plugins = [];
+ my $rs = Koha::Database->schema->resultset('PluginData');
+ $rs = $rs->search({ plugin_key => '__ENABLED__', plugin_value => 1 });
+ my @plugin_classes = $rs->get_column('plugin_class')->all();
+ foreach my $plugin_class (@plugin_classes) {
+ unless (can_load(modules => { $plugin_class => undef }, nocache => 1)) {
+ warn "Failed to load $plugin_class: $Module::Load::Conditional::ERROR";
+ next;
+ }
+
+ my $plugin = eval { $plugin_class->new() };
+ if ($@ || !$plugin) {
+ warn "Failed to instantiate plugin $plugin_class: $@";
+ next;
+ }
+
+ push @$enabled_plugins, $plugin;
+ }
+ Koha::Cache::Memory::Lite->set_in_cache(ENABLED_PLUGINS_CACHE_KEY, $enabled_plugins);
+ }
+
+ return @$enabled_plugins;
+}
+