97 lines
2.3 KiB
Rust
97 lines
2.3 KiB
Rust
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use lunatic::supervisor::{Supervisor, SupervisorConfig, SupervisorStrategy};
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use serde::{Deserialize, Serialize};
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use submillisecond::{router, static_router, Application};
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use submillisecond_live_view::prelude::*;
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use lunatic::abstract_process;
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use lunatic::ap::{Config, ProcessRef};
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pub struct Counter(i64);
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#[abstract_process(visibility = pub)]
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impl Counter {
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#[init]
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fn init(_: Config<Self>, start: i64) -> Result<Self, ()> {
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Ok(Self(start))
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}
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#[handle_message]
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fn increment(&mut self) {
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self.0 += 1;
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}
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#[handle_message]
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fn decrement(&mut self) {
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self.0 -= 1;
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}
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#[handle_request]
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fn count(&self) -> i64 {
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self.0
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}
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}
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struct Sup;
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impl Supervisor for Sup {
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type Arg = ();
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// Start 1 child and monitor it for failures.
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type Children = (Counter,);
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fn init(config: &mut SupervisorConfig<Self>, _: ()) {
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config.set_strategy(SupervisorStrategy::OneForOne);
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config.children_args(((0, Some(String::from("global_counter"))),));
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}
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}
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fn main() -> std::io::Result<()> {
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let mut supconf = SupervisorConfig::default();
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Sup::init(&mut supconf, ());
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Application::new(router! {
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"/" => CounterView::handler("index.html", "#app")
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"/static" => static_router!("./static")
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})
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.serve("127.0.0.1:3000")
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}
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#[derive(Clone, Serialize, Deserialize)]
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struct CounterView {
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global_counter: ProcessRef<Counter>,
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}
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impl LiveView for CounterView {
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type Events = (Increment, Decrement);
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fn mount(_uri: Uri, _socket: Option<Socket>) -> Self {
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let global_counter = ProcessRef::<Counter>::lookup(&"global_counter").unwrap();
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Self { global_counter }
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}
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fn render(&self) -> Rendered {
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html! {
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button @click=(Increment) { "Increment" }
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button @click=(Decrement) { "Decrement" }
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p { "Count is " (self.global_counter.count()) }
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}
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}
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}
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#[derive(Deserialize)]
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struct Increment {}
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impl LiveViewEvent<Increment> for CounterView {
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fn handle(state: &mut Self, _event: Increment) {
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state.global_counter.increment()
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}
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}
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#[derive(Deserialize)]
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struct Decrement {}
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impl LiveViewEvent<Decrement> for CounterView {
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fn handle(state: &mut Self, _event: Decrement) {
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state.global_counter.decrement()
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}
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}
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