Complete rewrite

src/irc/globals.go

@@ -0,0 +1,55 @@
+package irc
+
+import (
+	"git.chromaticdragon.app/pyrex/minimal-irc-server/v2/src/transport"
+)
+
+type Globals struct {
+	Server        *transport.Server
+	Users         *UsersSystem
+	Notifications *NotificationsSystem
+}
+
+var globals *Globals = nil
+
+func InitializeGlobals(server *transport.Server) {
+	globals = &Globals{
+		Server:        server,
+		Users:         NewUsersSystem(),
+		Notifications: NewNotificationsSystem(),
+	}
+}
+
+func GetGlobals() *Globals {
+	if globals == nil {
+		panic("globals not initialized")
+	}
+	return globals
+}
+
+func (g *Globals) getHandlers() []Handler {
+	return []Handler{
+		g.Users,
+		g.Notifications,
+	}
+}
+
+func Dispatch[T any](askPermission func(T) error, act func(T)) error {
+	globals := GetGlobals()
+	handlers := globals.getHandlers()
+
+	for _, handler := range handlers {
+		if h, ok := handler.(T); ok {
+			err := askPermission(h)
+			if err != nil {
+				return err
+			}
+		}
+	}
+	for _, handler := range handlers {
+		if h, ok := handler.(T); ok {
+			act(h)
+		}
+	}
+	return nil
+}