wip: refactor

crates/app/src/states/metadata.rs

@@ -0,0 +1,41 @@
+use gpui::*;
+use nostr_sdk::prelude::*;
+use tokio::sync::mpsc::Sender;
+
+#[derive(Clone)]
+pub enum Signal {
+    /// Send
+    DONE(PublicKey),
+    /// Receive
+    REQ(PublicKey),
+}
+
+pub struct MetadataRegistry {
+    seens: Vec<PublicKey>,
+    pub reqs: Sender<Signal>,
+}
+
+impl Global for MetadataRegistry {}
+
+impl MetadataRegistry {
+    pub fn set_global(cx: &mut AppContext, reqs: Sender<Signal>) {
+        cx.set_global(Self::new(reqs));
+    }
+
+    pub fn contains(&self, public_key: PublicKey) -> bool {
+        self.seens.contains(&public_key)
+    }
+
+    pub fn seen(&mut self, public_key: PublicKey) {
+        if !self.seens.contains(&public_key) {
+            self.seens.push(public_key);
+        }
+    }
+
+    fn new(reqs: Sender<Signal>) -> Self {
+        Self {
+            seens: Vec::new(),
+            reqs,
+        }
+    }
+}