Statum/example/Main.vala

using Astralis;
using Invercargill.DataStructures;
using Inversion;
using Statum;
using Example;

void main(string[] args) {
    int port = args.length > 1 ? int.parse(args[1]) : 8080;

    try {
        var application = new WebApplication(port);
        application.use_compression();
        application.add_module<StatumModule>();

        var statum = application.configure_with<StatumConfigurator>();
        // HomePage is generated from home.html; HomeEntrypoint hydrates it and
        // embeds the login/bump action references. Routes come from each page's
        // <pstm-uri>; actions are auto-mapped to GUID endpoints; the Statum
        // client scripts are embedded by default.
        statum.add_page<HomePage, HomeEntrypoint>();
        statum.add_page<DashboardPage, DashboardEntrypoint>();
        statum.action<LoginAction>();
        statum.action<LogoutAction>();
        statum.action<BumpCounterAction>();
        statum.action<UpdateAnnouncementAction>();
        statum.add_resource<StylesResource>();

        // Register a global broadcast slot (deterministic key "global:announcement").
        var announcement = new AnnouncementPublic();
        announcement.text = "Welcome to the Statum demo!";
        statum.global<AnnouncementPublic>("announcement", announcement);

        // Register a topic + modifier: when triggered, derives a short preview
        // from the current announcement and pushes it to watching clients.
        statum.topic<AnnouncementTopic>("announcement");
        statum.topic_modifier<AnnouncementPreviewModifier, AnnouncementPreview>("announcement");

        // Background timer: cycle the announcement every 10 seconds. Every
        // subscribed tab receives the update via the SSE push — open two tabs
        // side by side to see the broadcast in action.
        string[] messages = {
            "Welcome to the Statum demo!",
            "Slots are client-carried and signed.",
            "Try logging in as \"admin\".",
            "Global slots use deterministic keys for broadcast.",
            "The counter uses typed models with action references."
        };
        int msg_index = 0;
        Timeout.add_seconds(10, () => {
            msg_index = (msg_index + 1) % messages.length;
            try {
                var model = new AnnouncementPublic();
                model.text = messages[msg_index];
                var state = new State() {
                    type_name = "announcement",
                    public_data = GObjectMapping.to_properties(model),
                    private_data = new PropertyDictionary()
                };
                statum.state_service.update_global.begin("announcement", state);
                // Trigger the topic so derived "preview" slots update too.
                statum.topic_registry.trigger.begin("announcement:latest", () => {
                    stderr.printf("[topic] trigger completed\n");
                });
            } catch (GLib.Error e) {
                warning("Failed to update announcement: %s", e.message);
            }
            return true;
        });

        application.run();
    } catch (Error e) {
        printerr("Error: %s\n", e.message);
        Process.exit(1);
    }
}