webterm_agent/models/
activity_registry.rs1use crate::models::activity::Activity;
2use crate::models::agent_error::AgentError;
3use std::collections::HashMap;
4use std::sync::atomic::{AtomicU64, Ordering};
5use std::sync::{Arc, OnceLock};
6use tokio::sync::RwLock;
7use tracing::debug;
8use webterm_core::types::ActivityId;
9
10static NEXT_ACTIVITY_ID: AtomicU64 = AtomicU64::new(1);
11
12pub struct ActivityRegistry {
13 map: RwLock<HashMap<ActivityId, Arc<Activity>>>,
14}
15
16impl ActivityRegistry {
17 pub(crate) async fn singleton() -> &'static Self {
18 static INSTANCE: OnceLock<ActivityRegistry> = OnceLock::new();
19 INSTANCE.get_or_init(|| Self {
20 map: RwLock::new(HashMap::new()),
21 })
22 }
23
24 pub fn next_activity_id() -> ActivityId {
25 ActivityId(NEXT_ACTIVITY_ID.fetch_add(1, Ordering::SeqCst))
26 }
27
28 pub async fn find(activity_id: ActivityId) -> Result<Arc<Activity>, AgentError> {
29 let registry = Self::singleton().await;
30 registry
31 .map
32 .read()
33 .await
34 .get(&activity_id)
35 .ok_or(AgentError::ActivityNotFound(Some(activity_id)))
36 .cloned()
37 }
38
39 pub async fn register(activity: Arc<Activity>) -> Result<(), AgentError> {
40 let registry = Self::singleton().await;
41 debug!("Registering activity {:?}", activity.activity_id());
42 registry
43 .map
44 .write()
45 .await
46 .insert(activity.activity_id(), activity);
47
48 Ok(())
49 }
50}