update repo list

crates/signed_state/src/lib.rs

@@ -7,7 +7,9 @@ use std::path::Path;
 
 pub use backend::{Backend, BackendEvent};
 use gpui::{App, AppContext, Entity};
-pub use profile::{Profile, ProfileStore, shorten_pubkey};
+pub use nostr_sdk::prelude::Timestamp;
+pub use profile::{Profile, ProfileStore};
+pub use utils::shorten_pubkey;
 pub use repo::RepoStore;
 pub use repo_list::RepoListStore;
 use signed_nostr::new_backend;

crates/signed_state/src/profile.rs

@@ -6,6 +6,7 @@ use anyhow::Error;
 use flume::{Receiver, RecvTimeoutError, Sender};
 use gpui::{App, AppContext, Context, Entity, Global, SharedString, Subscription, Task};
 use nostr_sdk::prelude::*;
+use utils::shorten_pubkey;
 
 use crate::backend::{Backend, BackendEvent, sync_bootstrap_only};
 
@@ -59,12 +60,6 @@ impl Profile {
     }
 }
 
-/// Shorten a [`PublicKey`] to `npub1abc...wxyz` form.
-pub fn shorten_pubkey(public_key: PublicKey, len: usize) -> String {
-    let npub = public_key.to_bech32().unwrap();
-    format!("{}...{}", &npub[..(len + 5)], &npub[npub.len() - len..])
-}
-
 /// Message from the fetch task to the main thread.
 enum Dispatch {
     /// A batched sync finished; re-read seen profiles from the database.

crates/signed_state/src/repo_list.rs

@@ -5,7 +5,7 @@ use std::time::Duration;
 use anyhow::Error;
 use gpui::{AppContext, Context, Subscription, Task};
 use nostr_sdk::prelude::*;
-use signed_core::{Announcement, RepoAddr, filters};
+use signed_core::{Announcement, RepoAddr, filters, repo_addr};
 
 use crate::backend::{Backend, BackendEvent};
 
@@ -13,10 +13,16 @@ use crate::backend::{Backend, BackendEvent};
 /// events (e.g. sync progress ticks) collapse into one query.
 const REFRESH_DEBOUNCE: Duration = Duration::from_millis(300);
 
+/// How far back activity events count toward a repository's last activity.
+const ACTIVITY_WINDOW: Duration = Duration::from_secs(90 * 86_400);
+
 /// Store listing repository announcements (global discovery or per-author).
 pub struct RepoListStore {
     /// Shared so views can clone the list per frame without a deep copy.
     pub announcements: Arc<Vec<Announcement>>,
+    /// Latest known activity timestamp per repository
+    /// (announcements, state updates, patches, PRs, issues, statuses).
+    pub last_activity: Arc<HashMap<RepoAddr, Timestamp>>,
     author: Option<PublicKey>,
     refreshing: bool,
     refresh_dirty: bool,
@@ -32,14 +38,22 @@ impl RepoListStore {
         let backend = Backend::global(cx);
 
         let subscription = cx.subscribe(&backend, |this, _backend, event, cx| {
-            let git_kind = Kind::GitRepoAnnouncement;
-
             let relevant = match event {
                 BackendEvent::NostrUpdate(update) => {
-                    update.kind == git_kind && this.author.is_none_or(|a| a == update.author)
+                    // Activity (patches, issues, ...) is addressed to repos via
+                    // `a` tags, so its author isn't the repo owner; always refresh.
+                    if filters::ACTIVITY_KINDS.contains(&update.kind) {
+                        true
+                    } else {
+                        let is_announcement = update.kind == Kind::GitRepoAnnouncement;
+                        let is_repo_state = update.kind == Kind::RepoState;
+                        let tracked = is_announcement || is_repo_state;
+                        tracked && this.author.is_none_or(|a| a == update.author)
+                    }
                 }
                 BackendEvent::Published(event) => {
-                    event.kind == git_kind && this.author.is_none_or(|a| a == event.pubkey)
+                    event.kind == Kind::GitRepoAnnouncement
+                        && this.author.is_none_or(|a| a == event.pubkey)
                 }
                 BackendEvent::Synced | BackendEvent::SyncProgress { .. } => true,
                 _ => false,
@@ -52,6 +66,7 @@ impl RepoListStore {
 
         let mut store = Self {
             announcements: Arc::new(Vec::new()),
+            last_activity: Arc::new(HashMap::new()),
             author,
             refreshing: false,
             refresh_dirty: false,
@@ -151,12 +166,59 @@ impl RepoListStore {
             let mut announcements: Vec<Announcement> = by_repo.into_values().collect();
             announcements.sort_by_key(|a| std::cmp::Reverse(a.created_at));
 
-            Ok::<_, Error>(announcements)
+            // Last activity per repository: state updates plus all NIP-34
+            // activity events (patches, PRs, issues, statuses).
+            let mut last_activity: HashMap<RepoAddr, Timestamp> = announcements
+                .iter()
+                .map(|a| (a.addr(), a.created_at))
+                .collect();
+
+            let state_filter = Filter::new().kind(Kind::RepoState);
+            for event in client.database().query(state_filter).await? {
+                let Some(id) = event.tags.identifier() else {
+                    continue;
+                };
+                let addr = repo_addr(event.pubkey, id);
+                let Some(entry) = last_activity.get_mut(&addr) else {
+                    continue;
+                };
+                *entry = (*entry).max(event.created_at);
+            }
+
+            // Bound the activity query to a recent window; older repos fall
+            // back to their announcement / state timestamps.
+            let activity_filter = Filter::new()
+                .kinds(filters::ACTIVITY_KINDS)
+                .since(Timestamp::now() - ACTIVITY_WINDOW);
+            for event in client.database().query(activity_filter).await? {
+                for tag in event.tags.iter() {
+                    if tag.kind() != "a" {
+                        continue;
+                    }
+                    let Some(content) = tag.content() else {
+                        continue;
+                    };
+                    let Ok(addr) = Coordinate::parse(content) else {
+                        continue;
+                    };
+                    if addr.kind != Kind::GitRepoAnnouncement {
+                        continue;
+                    }
+                    // Skip events for repos we don't list, so the map can't
+                    // grow beyond the number of announcements.
+                    let Some(entry) = last_activity.get_mut(&addr) else {
+                        continue;
+                    };
+                    *entry = (*entry).max(event.created_at);
+                }
+            }
+
+            Ok::<_, Error>((announcements, last_activity))
         });
 
         self.tasks.push(cx.spawn(async move |this, cx| {
-            let announcements = match work.await {
-                Ok(announcements) => announcements,
+            let (announcements, last_activity) = match work.await {
+                Ok(results) => results,
                 // Database errors are transient; keep the last list.
                 Err(_) => {
                     return this.update(cx, |this, _cx| {
@@ -167,6 +229,7 @@ impl RepoListStore {
 
             let again = this.update(cx, |this, cx| {
                 this.announcements = Arc::new(announcements);
+                this.last_activity = Arc::new(last_activity);
                 cx.notify();
 
                 this.refreshing = false;