Fix rooms with no messages being colored as if they had unread messages

src/buffers/mod.rs

@@ -33,8 +33,6 @@ pub use room::RoomBuffer;
 
 #[derive(Clone, Debug, PartialEq, Eq, Hash, PartialOrd, Ord)]
 pub enum FullyReadStatus {
-  /// Nothing is read
-  None,
   /// There are some unread messages
   Not,
   /// All messages are read, but some non-messages events are not

src/buffers/room.rs

@@ -634,8 +634,7 @@ impl Buffer for RoomBuffer {
       .and_then(|ri| ri.fully_read_at.as_ref())
     {
       None => FullyReadStatus::All, // Unknown, assume it's read for now, we'll probably find out later
-      Some(None) => FullyReadStatus::None, // Not read at all
-      Some(Some(fully_read_at)) => {
+      Some(fully_read_at) => {
         // Iterate through all buffers, and if any buffer's last event is not the one where
         // the m.fully_read marker is at, assume the buffer is not read.
         //
@@ -661,7 +660,7 @@ impl Buffer for RoomBuffer {
                 },
                 _prerender,
               ) => {
-                if event_id == fully_read_at {
+                if Some(event_id) == fully_read_at.as_ref() {
                   reached_fully_read = true;
                   break;
                 }

src/components/buflist.rs

@@ -68,7 +68,7 @@ impl Buflist {
         highlight_count: 0,
         notification_count: 0,
       } => match buf.fully_read() {
-        FullyReadStatus::Not | FullyReadStatus::None => *config.unread_message,
+        FullyReadStatus::Not => *config.unread_message,
         FullyReadStatus::OnlyMessages => *config.unread_event,
         FullyReadStatus::All => *config.uneventful,
       },