nip10: show initial reply information on notes

Using the newly merged nip10 code, we can show replies on notes!

This is not final, and it's actually different than how we do it in
Damus iOS. Not sure if I like it yet. We will likely have to put pubkey
information back in somewhere soon.

Signed-off-by: William Casarin <jb55@jb55.com>

src/notecache.rs

@@ -1,20 +1,28 @@
 use crate::time::time_ago_since;
 use crate::timecache::TimeCached;
+use nostrdb::{Note, NoteReply, NoteReplyBuf};
 use std::time::Duration;
 
 pub struct NoteCache {
     reltime: TimeCached<String>,
+    pub reply: NoteReplyBuf,
     pub bar_open: bool,
 }
 
 impl NoteCache {
-    pub fn new(created_at: u64) -> Self {
+    pub fn new(note: &Note<'_>) -> Self {
+        let created_at = note.created_at();
         let reltime = TimeCached::new(
             Duration::from_secs(1),
             Box::new(move || time_ago_since(created_at)),
         );
+        let reply = NoteReply::new(note.tags()).to_owned();
         let bar_open = false;
-        NoteCache { reltime, bar_open }
+        NoteCache {
+            reltime,
+            reply,
+            bar_open,
+        }
     }
 
     pub fn reltime_str(&mut self) -> &str {