wip: onboarding

crates/note/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "note"
+version.workspace = true
+edition.workspace = true
+publish.workspace = true
+
+[dependencies]
+common = { path = "../common" }
+state = { path = "../state" }
+
+gpui.workspace = true
+nostr-sdk.workspace = true
+
+anyhow.workspace = true
+smallvec.workspace = true
+flume.workspace = true
+log.workspace = true

crates/note/src/lib.rs

@@ -0,0 +1,92 @@
+use std::collections::{HashMap, HashSet};
+
+use gpui::{App, AppContext, Context, Entity, Global, Task};
+use nostr_sdk::prelude::*;
+use smallvec::{smallvec, SmallVec};
+use state::client;
+
+pub fn init(cx: &mut App) {
+    NoteRegistry::set_global(cx.new(NoteRegistry::new), cx);
+}
+
+struct GlobalNoteRegistry(Entity<NoteRegistry>);
+
+impl Global for GlobalNoteRegistry {}
+
+/// Note Registry
+#[derive(Debug)]
+pub struct NoteRegistry {
+    /// Collection of all notes
+    pub notes: HashMap<EventId, Event>,
+
+    /// Tasks for asynchronous operations
+    _tasks: SmallVec<[Task<()>; 2]>,
+}
+
+impl NoteRegistry {
+    /// Retrieve the global note registry state
+    pub fn global(cx: &App) -> Entity<Self> {
+        cx.global::<GlobalNoteRegistry>().0.clone()
+    }
+
+    /// Set the global note registry instance
+    pub(crate) fn set_global(state: Entity<Self>, cx: &mut App) {
+        cx.set_global(GlobalNoteRegistry(state));
+    }
+
+    /// Create a new note registry instance
+    pub(crate) fn new(cx: &mut Context<Self>) -> Self {
+        let mut tasks = smallvec![];
+
+        // Channel for communication between Nostr and GPUI
+        let (tx, rx) = flume::bounded::<Event>(2048);
+
+        tasks.push(
+            // Handle nostr notifications
+            cx.background_spawn(async move {
+                let client = client();
+                let mut notifications = client.notifications();
+                let mut processed_events: HashSet<EventId> = HashSet::default();
+
+                while let Ok(notification) = notifications.recv().await {
+                    let RelayPoolNotification::Message { message, .. } = notification else {
+                        continue;
+                    };
+
+                    if let RelayMessage::Event { event, .. } = message {
+                        // Skip if already processed
+                        if !processed_events.insert(event.id) {
+                            continue;
+                        }
+
+                        if event.kind == Kind::TextNote || event.kind == Kind::Repost {
+                            tx.send_async(event.into_owned()).await.ok();
+                        }
+                    }
+                }
+            }),
+        );
+
+        tasks.push(
+            // Update GPUI state
+            cx.spawn(async move |this, cx| {
+                while let Ok(event) = rx.recv_async().await {
+                    this.update(cx, |this, cx| {
+                        this.notes.insert(event.id, event);
+                        cx.notify();
+                    })
+                    .ok();
+                }
+            }),
+        );
+
+        Self {
+            notes: HashMap::new(),
+            _tasks: tasks,
+        }
+    }
+
+    pub fn get(&self, id: &EventId) -> Option<&Event> {
+        self.notes.get(id)
+    }
+}