feature: functions for listeners

listener.go

@@ -4,3 +4,21 @@ type HostingListener struct {
 	Name    string
 	Handler func() error
 }
+
+type HostingListenerInterface interface {
+	GetName() string
+	GetHandler() func() error
+	Execute() error
+}
+
+func (hl *HostingListener) GetName() string {
+	return hl.Name
+}
+
+func (hl *HostingListener) GetHandler() func() error {
+	return hl.Handler
+}
+
+func (hl *HostingListener) Execute() error {
+	return hl.Handler()
+}

plugin.go

@@ -15,5 +15,8 @@ type HostingPluginInterface interface {
 	GetName() string
 	GetVersion() string
 	GetAuthor() string
-	RegisterListeners() []HostingListener
+	RegisterListener(listener HostingListener) []HostingListener
+	RegisterListeners(listeners []HostingListener) []HostingListener
+	GetListeners() []HostingListener
+	GetListenerByName(name string) HostingListener
 }

pluginLoader.go

@@ -0,0 +1,41 @@
+package Hosting_System_Plugin_Library
+
+func (plugin *HostingPlugin) RegisterListener(listener HostingListener) error {
+	plugin.Listeners = append(plugin.Listeners, listener)
+	return nil
+}
+
+func (plugin *HostingPlugin) RegisterListeners(listeners []HostingListener) error {
+	for _, listener := range listeners {
+		err := plugin.RegisterListener(listener)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (plugin *HostingPlugin) GetListenerByName(name string) HostingListener {
+	for _, listener := range plugin.Listeners {
+		if listener.Name == name {
+			return listener
+		}
+	}
+	return HostingListener{}
+}
+
+func (plugin *HostingPlugin) GetName() string {
+	return plugin.Name
+}
+
+func (plugin *HostingPlugin) GetVersion() string {
+	return plugin.Version
+}
+
+func (plugin *HostingPlugin) GetAuthor() string {
+	return plugin.Author
+}
+
+func (plugin *HostingPlugin) GetListeners() []HostingListener {
+	return plugin.Listeners
+}